120785461 huawei

OptiX OS N 1500/2500/3500 Ha rdwa re De s cription

www.huawei.com

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Obje ctive s 

Upon completion of this course, you will be able to: 

Appreciate the networking applications of the OptiX OSN 1500/2500/3500



Describe the system structure of the OptiX OSN 1500/2500/3500



Outline the main boards of the OptiX OSN 1500/2500/3500



Outline the system protection schemes of the OptiX OSN 1500/2500/3500

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page2

Conte nts 1.

Product Introduction

2.

Cabinet, Sub-rack

3.

Boards

4.

Common Network Elements and Configuration

5.

Features

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page3

P roduct Introduction What is OSN 1500/2500/3500 ？ 

Full name: OptiX OSN 1500/2500/3500 intelligent optical switching system



Form the OptiX OSN NG-SDH Series



OSN1500/2500: Optical convergence or access switching system OSN3500: Optical convergence or core switching system



OSN: Optical Switch Node

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page4

Ne twork Applica tion 40×10G

160 × 10G

OptiX BWS 1600G

iManager T2000

OptiX BWS 1600G

10G/2.5G OSN 3500 /7500/9500

OSN1500 /2500

OSN 2500/Metro

10G OSN 7500/9500

OSN 2500/3500

OSN1500 /Metro

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

10G/2.5G

Long-Haul Back Bone

Core

OSN 3500/7500/9500

OSN1500 /2500

OSN1500 /Metro

Page5

Convergence

Access

S ys te m Archite cture STM-1

LU

STM-4/16

LU

Cross-connect Unit High-

LU

STM-64 (OSN3500)

LU

位

order matrix (VC-4) Low-order matrix PDH Ethernet

(VC-12/VC-3)

TU TU

Timing Unit

Auxiliary Unit

External synchronization interface

Copyright 漏 2006 Huawei Technologies Co., Ltd. All rights reserved.

SCC Unit Auxiliary interface

Page6

TU

SAN/Video

TU

ATM

Management interface

La rge Ca pa city a nd Multi-s e rvice s Acce s s STM-1/4/16/64 VC-4-4c/8c/ 16c/64c

Large and multiservices access capacity SDH unit

SDH unit

West

STM-1/4/16/64 VC-4-4c/8c / 16c/64c

East

Cross-connect matrix Large cross-connect capacity

Multi-granularity cross-connect capacity PDH Interface unit

E1/T1/E3/T3/E4

Ethernet Interface unit

FE/GE

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Other Interface unit

ATM/SAN/Video

Page7

Conte nts 1.

Product Introduction

2.

Cabinet, Sub-rack

3.

Boards

4.

Common Network Elements and Configuration

5.

Features

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page8

Ca bine t ETSI 300/600 Cabinet W(mm) 600

Height

D(mm)

H(mm)

600

2000

300

2600

2200

Max. number of Sub-racks mounted

(mm)

OptiX OSN

OptiX OSN

OptiX OSN

1500

2500

3500

2000

4

2

1

2200

4

3

2

2600

4

4

2

H W

D

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page9

Indica tors Indicator

Color

Power

Power Critical Major Minor

Power distribution Boards

Critical alarm Major alarm Minor alarm

Status

Description

On

Cabinet is powered ON

Off

Cabinet is OFF

On

Critical alarm

Off

No critical alarm

On

Major alarm

Off

No major alarm

On

Minor alarm

Off

No minor alarm

Note:

Indicators do not flash  If alarm indicator is ON, alarm occurs on one or more sub-racks inside the cabinet  Alarms occur on sub-racks, ALM cable should be properly connected 

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page10

P owe r Dis tribution Unit 1

1

3 2 OUTPUT

2

4

3 4

5

A

6

B

ON

1

3 2 OUTPUT

4

ON RTN1(+) RTN2(+) NEG1(-) NEG2(-)

OFF 32A

32A

20A

INPUT 20A

OFF 32A

32A

20A

20A

1. Power socket (left)

2. Power cable RTN1(+)

3. Power cable RTN2(+)

4. Power cable NEG1(–)

5. Power cable NEG2(–)

6. Power socket (right)

A: Supply for Left Power interface

From Left, the 1st switch supplies the lower sub-rack

B: Supply for Right Power interface

The 1 st & 2nd switches are mainly for the OptiX OSN 7500/3500

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page11

P owe r Cons umption 

DC power supply



Normal voltage: -48V or -60V



Range of input voltage: -48V±20%(or -60V±20 ％ )

OptiX OSN

OptiX OSN

OptiX OSN

OptiX OSN

1500A

1500B

2500

3500

Power Consumption (W)

200

280

400

600

Fuse Capacity (A)

10

10

15

20

Equipment

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page12

OptiX OS N 1500A S ub-ra ck PIU Service slot area Core Unit Auxiliary Unit FAN box

Dimensions (mm)

133 (H) x 444 (W) x 262 (D)

Weight (kg)

8 (without boards and fans)

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page13

OptiX OS N 1500A S ub-ra ck (C o nt.)

SLOT 1

SLOT 20 FAN

SLOT 11

SLOT 6

1.25G

2.5G

SLOT 7 1.25G

SLOT 3

2.5G

SLOT 8 1.25G

SLOT 4

2.5G

SLOT 9 1.25G

SLOT 5

2.5G

SLOT 10

l it sp

SLOT 2

SLOT 1

SLOT 20 FAN

SLOT 11

SLOT 6

1.25G

SLOT 2

1.25G

SLOT 12

1.25G

SLOT 7

1.25G

SLOT 3

1.25G

SLOT 13

1.25G

SLOT 8

1.25G 1.25G

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

SLOT 4

2.5G

SLOT 9

SLOT 5

2.5G

SLOT 10

Page14

OptiX OS N 1500B S ub-ra ck Interface slot area PIU Service slot area Core Unit Auxiliary Unit FAN box Dimensions (mm)

221 (H) x 444 (W) x 262 (D)

Weight (kg)

9 (without boards and fans)

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page15

OptiX OS N 1500B S ub-ra ck (C o nt.)

SLOT 14 SLOT 16

14,15

13

16,17

SLOT 11

2.5G

SLOT 6 622M

7

15

SLOT 1 2

2.5G

SLOT 7

622M

8

17

SLOT 1 3

2.5G

SLOT 8

622M

SLOT 4

2.5G

SLOT 9

622M

SLOT 5

2.5G

SLOT 10

l it sp

Slot Relation (After split)

12

SLOT 19 PIU

SLOT 17

SLOT 20 FAN

Slot Relation

SLOT 18 PIU

SLOT 15

7

15

SLOT 14

8

17

SLOT 16

SLOT 18 PIU

SLOT 15

SLOT 19 PIU

SLOT 17

2

14

12

15

3

16

13

17

SLOT 20 FAN

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

SLOT 1 1.25G

SLOT 11 1.25G

SLOT 6

622M

SLOT 2 1.25G

SLOT 12 1.25G

SLOT 7

622M

SLOT 3 1.25G

SLOT 13 1.25G

SLOT 8

622M 622M

SLOT 4

2.5G

SLOT 9

SLOT 5

2.5G

SLOT 10

Page16

OptiX OS N 2500 S ub-ra ck SEI (Auxiliary Boards)

Service slot area Interface slot area Core Unit SAP (Auxiliary Unit) PIU FAN Unit Dimensions (mm)

447 (W) x 295 (D) x 472 (H)

Weight (kg)

17 (without boards and fans)

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page17

OptiX OS N 2500 S ub-ra ck (C o nt.)

S L O T 12

OO O O T T T T 1 2 3 4 6

6 2 2 2 2 2 2 2 2 . . . . . .

2 2 5 5 5 5 5 5 M M G G G G G G

SLOT 22 PIU

S L O T 13

S L O T S S S S L L L L 14

OO O O T T T T S 15 16 17 18

1 . A 2 P 5 G

Fiber routing panel

SLOT 23 FAN

Slot Relation (After split)

SLOT 24 FAN

SLOT 25 PIU

20

1

21

3

6

2

7

4

12

15 ， 16

13

17 ， 18

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

6

1, 2

7

3, 4

12 15, 16

li t sp

S S S S S S S L L L L L L L O O O O O O O S S S S T T T T T T T L L L L 5 6 7 8 9 10 11

Slot Relation

13 17, 18 S L O T 19 S S S S 622 L L L L M

O O O O T T T T S 1 2 3 4 L

O T 5 622 M

S S L L O O T T 20 21 622 1.25 M G S S L L O O T T 6 7 622 1.25 M G

S S S S L L L L O O O O T T T T 8 9 10 11

S L O T 12

S L O T 13

S L O T S S S S L L L L 14

O O O O T T T T S 15 16 17 18

2 2 2 2 2 1 . . . . . . A 5 5 5 5 5 25 P G G G G G G

Fiber routing panel SLOT 22 PIU

SLOT 23 FAN

Page18

SLOT 24 FAN

SLOT 25 PIU

OptiX OS N 3500 S ub-ra ck Interface slot area Auxiliary Unit PIU FAN boxes Service slot area SCC Unit Cross-connect Unit Air filter Dimensions (mm)

497 (W) x 295 (D) x 722 (H)

Weight (kg)

20 (without boards and fans)

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page19

OptiX OS N 3500 S ub-ra ck (C o nt.) 

Slot Relation 2

19, 20

3

21, 22

4

23, 24

5

25, 26

13 29, 30 14 31, 32

S L O T 1 9

S L O T 2 0

S S L L O O T T 2 2 1 2

S L O T 2 3

S L O T 2 4

S L O T 2 5

S L O T 2 6

S L O T 2 7

S L O T 2 8

P I U

P I U

FAN S L O T 1

S L O T 2

S L O T 3

S L O T 4

S L O T 2 9

S L O T 3 0

S L O T 3 1

FAN S L O T 5

S L O T 6

S L O T 7

S L O T 8

S L O T 3 3

S L O T 3 4

S L O T 3 5

S L O T 3 6

S L O T 3 7

A U X

S L O T 9

S L O T 10

XCS

XCS

FAN S S S L L L O O O T T T 11 12 13

15 33, 34 16 35, 36 Fiber Routing Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

S L O T 3 2

Page20

S S S S S L L L L L O O O O O T T T T T 14 15 16 17 18 S C C

S C C

OptiX OS N 3500 S ub-ra ck (C o nt.) 

Configure 1 

Access capacity :

FAN

FAN

FAN

35G 

622 M x 8



2.5 G x 4



10 G x 2

S L O T 1

S L O T 2

S L O T 3

S L O T 4

S S S S L L L L O O O O T T T T 5 6 7 8

S L O T 9

S L O T 10

S L O T 11

S L O T 12

S L O T 14

S L O T 15

S L O T 16

6 2 2 M

6 2 2 M

6 2 2 M

6 2 2 M

6 2 2 10 2 . . G 2 5 5 M G G

G X C S

G X C S

10 2 2 6 G . . 2 5 5 2 G G M

6 2 2 M

6 2 S S 2 C C M C C

Fiber Routing

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page21

S L O T 13

S L O T 17

S L O T 18

OptiX OS N 3500 S ub-ra ck (C o nt.) 

Configure 2 

Access capacity :

FAN

FAN

FAN

58.75G 

1.25 G x 7



2.5 G x 4



10

Gx4

S L O T 1

S L O T 2

S L O T 3

S L O T 4

S S S S L L L L O O O O T T T T 5 6 7 8

S L O T 9

S L O T 10

S L O T 11

S L O T 12

S L O T 15

S L O T 16

S L O T 17

1 .

2 5 G

1 .

2 5 G

1 .

2 5 G

1 2 2 10 10 . . . G G 2 5 5 5 G G G

E / U X C S

E / U X C S

10 10 2 2 1 G G . . .

5 5 2 G G 5 G

1 .

2 5 G

1.

25 G S / C S C C C

Fiber Routing

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page22

S L O T 13

S L O T 14

S L O T 18

OptiX OS N 3500 S ub-ra ck (C o nt.) 

Configure 3 

Access capacity :

FAN

FAN

FAN

155G 

5 Gx 7



10 G x 4



20 G x 4

S L O T 1

S L O T 2

S L O T 3

S L O T 4

S S S S L L L L O O O O T T T T 5 6 7 8

S L O T 9

S L O T 10

S L O T 11

S L O T 12

5 5 5 5 10 10 20 20 G G G G G G G G

S X C S

S X C S

20 20 10 10 5 5 5G S G G G G G G S/ C C C C

Fiber Routing

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page23

S L O T 13

S L O T 14

S L O T 15

S L O T 16

S L O T 17

S L O T 18

Que s tions 

Please list the slot access capacity of the equipment.



Do you remember the relation between the processing board slot and the interface board slot in different equipment?

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page24

Conte nts 1.

Product Introduction

2.

Cabinet, Sub-rack

3.

Boards

4.

Common Network Elements and Configuration

5.

Features

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page25

Conte nts 3.

Boards 3.1 SDH Unit 3.2 PDH Unit 3.3 Ethernet Unit 3.4 ATM Unit 3.5 MST Unit 3.6 WDM Unit 3.7 Cross-connect and System Control Unit 3.8 Auxiliary Unit

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page26

S DH Unit 

Boards appearance type

 Processing with Interface

 Processing

 Interface Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page27

S DH Unit (C o nt.)

SDH

Line Unit

S

L

Q

16

- : 1*STM-N signal D: 2*STM-N signals Q: 4*STM-N signals O: 8*STM-N signals T: 12*STM-N signals H: 16*STM-N signals

Digital rate:  64:STM-64  16:STM-16  4:STM-4  1:STM-1

Can you tell the main function of SL64?

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page28

S DH Unit (C o nt.) 

Board Description Connector

Board

Full name

Module available

SF64

1 x STM-64 processing with optical interface board (FEC)

Fixed wavelength output, I-64.2, S-64.2b, L64.2b, Le-64.2, Ls-64.2, V-64.2b (with BA, PA, and DCU)

SL64

1 x STM-64 processing with optical interface board

Fixed wavelength output, I-64.2, S-64.2b, L-

SF16

1 x STM-16 processing with optical interface board (FEC)

Fixed wavelength output Ve-16.2c, Ve-16.2d, and Ve-16.2f

SLQ16

4 x STM-16 processing with optical interface board

I-16, S-16.1, L-16.1, L-16.2

SL16 (A)

1 x STM-16 processing with optical interface board

type

64.2b, Le-64.2, Ls-64.2,V-64.2b

Fixed wavelength output, I-16, S-16.1, L-16.1, L-16.2, L-16.2Je, V-16.2Je (with BA), and U16.2Je (with BA and PA)

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page29

LC

S DH Unit (C o nt.)

SL64

4 indicators

STAT ACT PROG SRV

SF64 STAT ACT PROG SRV

SF 16 STAT ACT PROG SRV

SL16 STAT ACT PROG SRV

SLQ16 S TAT ACT P ROG S RV

SL16A

SFP Module

STAT ACT PROG SRV

CLASS1 L ASER PRODUCT

CLASS 1 LASER PRODUCT

CLASS 1 LASER PRODUCT

CLASS 1 LASER PRODUCT

CLASS 1 LASER PRODUCT

CLASS 1 LASER PRODUCT

LC Connector OU T1IN 1 OU T2 IN 2

OUT

OUT

OUT

IN

IN

IN

IN

OUT OU T3 IN 3

Electrostatic Discharge

OUT

IN OU T4 IN 4

SL64

SF64

SF16

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

SL 16

SLQ4

Page30

SL16A

CLASS 1 LASER PRODUCT

S DH Unit (C o nt.) 

Slot available Slot available Board Name

OSN

OSN

1500A

1500B

OSN 3500 OSN 2500

SF64

－

SL64

－

－

－

12, 13

11~13

－

－

SF16 SL16(A) SLQ16

－

40G

80G

200G

－ 8, 11

7, 8, 11, 12

7, 8, 11 ~ 13

6 ~ 8, 11 ~ 13

5 ~ 8, 11 ~ 14

－

－

－

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

1 ~ 8, 11 ~ 16

Page31

S DH Unit (C o nt.) 

Board Description Board

Full name

SLQ4

4 x STM-4 processing with optical interface board

SLD4

2 x STM-4 processing with optical interface board

SL4

1 x STM-4 processing with optical interface board

SLT1

12 x STM-1 processing with optical interface board

SLO1

8 x STM-1 processing with optical interface board

SLQ1

4 x STM-1 processing with optical interface board

SL1

1 x STM-1 processing with optical interface board

Module available

I-4, S-4.1, L-4.1, L-4.2, Ve-4.2

LC I-1, S-1.1, L-1.1, L-1.2, Ve-1.2

 Signal processing with optical interface board Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Connector type

Page32

S DH Unit (C o nt.)

SLD4

SLQ 4

STAT ACT PROG SRV

STAT ACT PROG SRV

CLASS1 LASER PRODUCT

CLASS1 LASER PRODUCT

SL4 STAT ACT PROG SRV

CLASS1

SLT1 STAT ACT PROG SRV

CLASS1 LASER PRODUCT

OUT3 IN3 OUT4 IN4

IN4 OUT4

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

IN

OUT2 IN2

OUT3 IN3

SLT1

OUT OUT1 IN1

OUT2 IN2

IN

SL4

LASER PRODUCT

OUT1IN1 OUT2IN2 OUT3IN3 OUT4IN4 OUT5IN5 OUT6IN6 OUT7IN7 OUT8 IN8

IN1 OUT1

OUT2 IN2

SLD4

SL1 STAT ACT PROG SRV

CLASS1

CLASS1 LASER

OUT1 IN1OUT2 IN2OUT3 IN3OUT4 IN4OUT5 IN5 OUT6 IN6 OUT7 IN7 OUT8 IN8 OUT9 IN9OUT10 IN10 OUT11 IN11 OUT12 IN12

OUT1IN1

SLQ4

STAT ACT PROG SRV

PRODUCT

LASER PRODUCT

OUT

CLASS 1 LASER PRODUCT

SLQ1

SLO1 STA T A CT PROG SRV

CLAS S1 LASER P RODUCT

SLO1

SLQ1

Page33

SL1

S DH Unit (C o nt.)

Slot available OSN 3500

Board Name

OSN 1500A

OSN 1500B

OSN 2500

40G

SLQ4

6 ~ 8,

SLD4

11 ~ 13

SL4 SLT1 SLO1

12, 13

11~13

80G 5 ~ 8, 11 ~ 14

5 ~ 8, 11 ~ 13

SLQ1

1 ~ 8,

1 ~ 8, 11 ~ 17

11 ~ 16

SL1

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page34

200G

S DH Unit (C o nt.) 

Boards Description Board SEP1

Full name

 Signal processing with electrical interface board

Connector type

2 x STM-1 processing with electrical

SMB

interface board

Board

Full name

SLH1

16 x STM-1 processing board

SEP

8 x STM-1 processing board

Board

Full name

Connector (Interface) type

OU08

8 x optical signal access board

LC/SC (I-1 and S-1.1)

EU08

8 x electrical signal access board

SMB

EU04

4 x electrical signal access board

SMB

Board

Full name

TSB4

Tributary Switch Board for 4 signals

TSB8

Tributary Switch Board for 8 signals

 Signal processing

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

 Interface

 TPS

Page35

S DH Unit (C o nt.) 

SEP1 

No need for interface board



SMB interfaces on the front panel are used



Can be inserted in all line slots 

SEP 

Need interface board: EU08, OU08, EU04



SMB interfaces on the front panel are inhibited

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page36

S DH Unit (C o nt.)

OUT1 IN1

OUT2 IN2

OUT3 IN3

OUT4 IN4

OUT5 IN5

OUT6 IN6

OUT7 IN7

OUT1 IN1OUT2 IN2OUT3IN3OUT4IN4OUT5 IN5OUT6 IN6OUT7 IN7OUT8IN8

OUT1IN1 OUT2IN2 OUT3IN3 OUT4IN4

AOUTAIN BOUTBIN

OUT8 IN8

Page37 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

TSB8

OU08 OU08 EU04 EU08

CLASS 1 LASER PRODUCT

C o n n e c t o r

SEP1

SLH1

SFP Module OUT1IN1 OUT2 IN2 OUT3IN3 OUT4IN4 OUT5 IN5 OUT6IN6 OUT7IN7 OUT8IN8

S M B

TSB8

OU08 OU08 EU04 EU08

SC Connector STAT ACT PROG SRV STAT ACT PROG SRV

SEP1

SLH1

S DH Unit (C o nt.) 

Slot available Slot available Board Name SEP1

OSN

OSN

OSN

1500A

1500B

2500

12,13

SLH1 SEP －

80G

5 ~ 8, 11 ~ 13

1 ~ 6, 13 ~ 16

－

－

－

12, 13

6 ~ 7, 12 ~ 13

2 ~ 5, 13 ~ 16

－

OSN 7500 200G

2 ~ 5, 13 ~ 16

14, 16

1 ~ 4, 15 ~ 18

14

1,17

19,35

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

240G

360G

1 ~ 3, 17, 18

19, 21, 19 ~ 23, 25, 26, 29 － 29, 31, ~ 36 33, 35 19, 21, 23, 25, 29, 31, 33, 35

EU04 TSB4 TSB8

40G

11~13

OU08 EU08

OSN 3500

2, 3, 17, 18

19 ~ 22, 35 ~ 38

37,38

Page38

S DH Unit (C o nt.) 

Boards Description Board R1SLD4 R1SL4 R1SLQ1 R1SL1

Full name

Connector

Module available

type

2 x STM-4 processing with optical interface board STM-4 processing with optical

I-4, S-4.1, L-4.1, L-4.2, Ve-4.2

interface board

LC

4 x STM-1 processing with optical interface board STM-1 processing with optical

I-1, S-1.1, L-1.1, L-1.2, Ve-1.2

interface board  Signal processing with optical interface board

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page39

S DH Unit (C o nt.)

SFP Module

R1SLD4

R1SL4 STAT ACT PROG SRV

STAT ACT PROG SRV

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

R1SLQ1

OUTIN

R1SL4

R1SL1 STAT ACT PROG SRV

OUT1IN1 OUT2IN2 OUT3IN3 OUT4IN4

OUTIN

IN2 OUT1 IN1 OUT2 R1SLD4

R1SLQ1 STAT ACT PROG SRV

R1SL1

Page40

S DH Unit (C o nt.)

Slot available



Slot available Board Name

OSN

OSN

1500A

1500B 1 ~ 3, 11 ~ 13

R1SLD4 R1SL4 R1SLQ1 R1SL1 

2, 3, 6 ~ 9, 12, 13

OSN 3500 OSN 2500

40G

80G

200G

7, 21 －

1 ~ 3, 6 ~ 9, 11 ~ 13

5 ~ 7,19 ~ 21

“R1-” boards are used in the small slots in OptiX OSN 1500 or when slots are segmented in OptiX OSN 1500/2500.

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page41

S DH Unit (C o nt.) 

Indicator Indicator STAT

Board Status

ACT

Board Activation

Status

Color

Description

On, green

Board works normally.

On, red

Board hardware fails.

Off

Board is powered off.

On, green

Board is activated/configured.

Off

Board is not activated/configured.

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page42

S DH Unit (C o nt.) ď Ź

Slot available Indicator

PROG Board Software

SRV Service Alarm

Status

Color

Description

On, green

Upload of board software to FLASH or the FPGA upload is normal, or the board software initialization is normal.

On for 100ms and off for 100ms alternatively, green

Board software is being uploaded to FLASH or FPGA.

On for 300ms and off for 300ms alternatively, green

Board software is initializing, and is in BIOS boot stage.

On, red

Board software in FLASH or the FPGA configuration is lost, resulting in upload and initialization failure.

Off On, green On, red On, yellow Off

No power supply.

Service is normal and no service alarm occurs.

Critical or major alarm occurs to service.

Minor or remote alarm occurs to service.

No service configured or no power supply.

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page43

S DH Unit (C o nt.) 

Functions of SL16

Collect Alarm and performance

d to Sen

g ssin e c o R pr T P AU and H O Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page44

Send to Cross-connect unit

STM-16

……

16 X VC4

SCC

S DH Unit (C o nt.) 

Features of SL16 

Fixed wavelength output



Automatic laser shutdown (ALS) function



Swappable optical module (SFP)



Support VC-4-4c, VC-4-8C and VC-4-16c services



Inloop and outloop function



Setting and querying of the REG working mode

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

1 Last six digits of BOM 2 Internal number 3 Board version 4 Board name 5 Board characteristic number

Page45

S DH Unit (C o nt.) 

Optical port parameters of SL16 Optical interface type (Board characteristic #)

I-16 (01)

S-16.1 (02)

L-16.1 (03)

L-16.2 (04)

L-16.2Je (02)

V-16.2Je (BA) (03)

U-16.2Je (BA+PA) (04)

Wavelength (nm)

1310

1310

1310

1550

1550

1550

1550.12

Distance (km)

0～2

2 ～ 15

15 ～ 40

40 ～ 80

80 ～ 100

80 ～ 140

140 ～ 170

Launched power (dBm)

-10~-3

-5~0

-2~3

-2~3

5~7

14

17

Receiver sensitivity (dBm)

-18

-18

-27

-28

-28

-28

-34

Receiver overload (dBm)

-3

0

-9

-9

-9

-9

-10

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page46

S DH Unit (C o nt.) ď Ź

Common alarms of SDH unit Alarm level Critical

Major

Color

Alarm name

Alarm reason

R_LOS

Receiver can not receive STM-N signal normally.

MS_AIS

Critical alarm e.g. R_LOS happens.

Critical alarm e.g. R_LOS happens.

Wrong service configuration Faulty SDH board

AU_AIS POWER_ ABNORMAL MS_RDI

Minor

HP_RDI LOOP_ALM

Power module of the line board fails.

Opposite station receives the R_LOS, R_LOF or MS_AIS signal Faulty receiver at the opposite node or transmitter at the local node Opposite node receives such alarms as AU_AIS and AU_LOP. Faulty receiver at the opposite node or transmitter at the local node Software inloop or outloop is being performed.

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page47

S DH Unit (C o nt.) 

Common performance events of SDH unit Performance name

Performance meaning

RSBBE

Regenerator section block of background error

MSBBE

Multiplex section block of background error

MSFEBBE

Multiplex section far end block of background error

HPBBE

High-order path block of background error

HPFEBBE

High-order path far end block of background error

RPLCUR

Current value of input optical power

RPLMAX

Maximum value of input optical power

RPLMIN

Minimum value of input optical power

TPLCUR

Current value of output optical power

TPLMAX

Maximum value of output optical power

TPLMIN

Minimum value of output optical power

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page48

P DH Unit Board Name

Description

Interface board

SPQ4

Processes 4 x E4/STM-1

MU04

PD3

Processes 6 x E3/T3

D34S

PL3

Processes 3 x E3/T3

C34S

PL3A

Processes 3 x E3/T3

－

PQM

Processes 63 x E1/T1

PQ1

Processes 63 x E1

PD1

Processes 32 x E1/T1

L75S,L12S,D75S,D12S,D12B

PL1

Processes 16 x E1/T1

－

D75S, D12S, D12B



PD1 and PL1 are used in the small slot in OptiX OSN 1500/2500.



L75S/L12S can be only used in OptiX OSN 1500A.



PD1 cooperates with L75S/L12S in OptiX OSN 1500A, and cooperates with D75S/D12S in OptiX OSN 2500 or OptiX OSN 1500B.

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page49

P DH Unit (C o nt.)

Slot available



Slot available Board Name

OSN

OSN

OSN

1500A

1500B

2500

40G

SPQ4 PD3



C34S

200G

12, 13

6, 7, 12, 13

2 ~ 5, 13 ~ 16

12, 13

11~13

5 ~ 8, 11 ~ 13

1 ~ 8, 11 ~ 16

－

14, 16

1, 3, 15, 17

19, 21, 23, 25, 29, 31, 33, 35

MU04 D34S

80G

－

PL3 PL3A

OSN 3500

1 ~ 8, 11 ~ 17

PL3A is a processing board with cables led out from the front panel. .

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page50

P DH Unit (C o nt.) 

SPQ4/MU04

M U04

SPQ4 STAT ACT PROG SRV

SMB connector

Indicators

OUT1IN1 OUT2IN2 OUT3IN3 OUT4 IN4

SPQ4

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

M U 04

Page51

P DH Unit (C o nt.)

PD3 STAT ACT PROG SRV

PL3 STAT ACT PROG SRV

D34S

PL3A

C34S

STAT ACT PROG SRV

SMB connector Indicators

PL3A

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

IN1 OUT2 IN2 OUT3 IN3 OUT1

PL3

IN1OUT2 IN2OUT3 IN3 OUT4 IN4 OUT5 IN5 OUT6 IN6 OUT1

OUT1 IN1 OUT2 IN2 OUT3 IN3

PD3

D34S

C34S

Page52

P DH Unit (C o nt.) 

Slot available Slot available Board Name

PQM PQ1

OSN

OSN

1500A

1500B

OSN 3500 OSN 2500

40G

80G

－

11 ~ 13

14 ~ 17

1 ~ 5, 13 ~ 16

－

14 ~ 17

1 ~ 4, 15 ~ 18

19 ~ 26, 29 ~ 36

D75S D12S D12B

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page53

200G

P DH Unit (C o nt.)

Slot available



Slot available Board Name

OSN

OSN

1500A

1500B

OSN 3500 OSN 2500

PD1

2, 12

1 ~ 3, 6 ~ 8, 11 ~ 13

5 ~ 7, 19 ~ 21

PL1

6~9

6~9

－

6~7

－

－

L75S L12S 

40G

80G

200G

－

PL1 is a processing board with cables let out from the front panel.



PD1/PL1 can be used in the small slot or used when slots are segmented in OptiX OSN 1500/2500.

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page54

P DH Unit (C o nt.)

Indicators PQ1 STAT ACT PROG SRV

DB44 D 75 S

PQM

D 12 S

D1 2B

STAT ACT PROG SRV

1～8

1～8

1～8

2mmHM

L12S

L75S 17～24

17～24

17～24

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

D12S

D12B

Page55

1-16

D75S

1-16

25～32

25～32

25～32

PQM

9～16

PL1 STAT ACT PROG SRV

1-16

PQ1

9～16

9～16

PD1 STAT ACT PROG SRV

P DH Unit (C o nt.) 

Functions of PQ1

Collect Alarm and performance

C o SC t d Sen

E1

g ssin e c o R pr T P TU and H LPO Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page56

Send to Cross-connect unit

1 X VC4

63 X E1

P DH Unit (C o nt.) 

Features of PQ1 

Interface Type: 75Ω or 120Ω



Support Inloop and outloop functions



Support Warm and Cold reset



Support TPS function

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page57

P DH Unit (C o nt.) ď Ź

Common alarms of PDH unit Alarm level

Color

Alarm name ALM_SUBCARD_ABN

Major

T_ALOS

Alarm reason The interface board and the processing board are mismatched No E1 service is accessed Critical alarm e.g. R-LOS happens

TU_AIS

Wrong service configuration Faulty PDH board

Minor

LP_RDI LP_REI

Opposite node receives such alarms as TU_AIS and TU_LOP LPBBE happens on the opposite node

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page58

P DH Unit (C o nt.) 

Common performance of PDH unit Performance name

Performance meaning

LPBBE

Low-order path block of background error

LPFEBBE

Low-order path far end block of background error

LPES

Low-order path errored second

LPFEES

Low-order path far end errored second

TUPJCHIGH

Count of positive TU pointer justifications

TUPJCLOW

Count of negative TU pointer justifications

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page59

Ethe rne t Unit Number of ports on the front panel

Ethernet

E

G

T

2

G: Gigabit Ethernet (GE) F: Fast Ethernet (FE) M: Multiple (GE+FE) 

T: Transparent transmission S: L2 switching R: RPR (Resilient Packet Ring )

Note:  

If there is no port on the board, then the board must work with an interface board.

ETF8/EFF8 is the interface board. ETF8 accesses 8×FE twisted pair signal, and EFF8 accesses 8×FE optical signal

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page60

Ethe rne t Unit 

Boards Description Board

Full name

Interface type

Connector

EGS4

4 x GE with L2 switching processing with interface board

1000BASE-SX/LX/ZX

LC

EGS2

2 x GE with L2 switching processing with interface board

1000BASE-SX/LX/ZX

LC

EGT2

2 x GE transparent transmission processing with interface board

1000BASE-SX/LX/ZX

LC

EMS4

4 GE + 16 x FE with L2 switching processing with interface board

1000BASE-SX/LX/ZX, 100Base-FX (From interface board)

RJ-45, LC

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page61

Ethe rne t Unit (C o nt.)

EGS2

EGS4 STAT ACT PROG SRV

EM S4

EGT2

STAT

STAT ACT PROG SRV LINK1 ACT1 LINK2 ACT2

STAT ACT PROG SRV LINK1 ACT1 LINK2 ACT2

ACT PROG SRV

CLASS 1

CLASS 1 LASER PRODUCT

OUT3IN3

OUT4IN4

OUT4IN4

EGS4

OUT2IN2

OUT2 IN2

OUT3IN3 LINK

ACT

EGS 2

EG T 2

CLASS 1 LASER PRODUCT

OUT1IN1

OUT1 IN1

OUT2 IN2

OUT2IN2

OUT1 IN1

OUT1IN1

LINK

LASER PRODUCT

CLASS 1 LASER PRODUCT

CLASS 1 LASER PRODUCT

Indicator LINK

ACT

EM S4

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

ACT

Color

Status

Description

On

Link is established

Off

Link is not established

Flashing Off

Page62

Data exchanged No data being exchanged

Ethe rne t Unit (C o nt.)

Board

Full name

EGR2

2 x GE RPR processing with interface board

EMR0

1 GE + 4 (12) x FE RPR processing with interface board

EGR2

EMR0

STAT ACT PROG SRV LINK1 ACT1 LINK2 ACT2

STAT ACT PROG SRV LINK ACT

CLASS 1

LASER PRODUCT

OUT1 IN1

IN1 OUT1



CLASS 1

LASER PRODUCT

Function EVPL/EVPLAN Service



QoS

OUT2 IN2



FE1

FE2



Resilient Packet Ring Function 

Weighted fair algorithm and three service levels



Auto discovery of topology



Wrap and steering protection

FE3

GE PORT SFP Module FE PORT RJ 45 connector

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page63

FE4

EGR2

EMR0

Ethe rne t Unit (C o nt.) 

Slot available Slot available Board Name

EGS4 EGS2 EGT2 EMS4

OSN

OSN

1500A

1500B

OSN 2500

40G

80G

200G

－ 12, 13 －

11 ~ 13

12, 13

5 ~ 8, 11 ~ 13

(11)12, 13

EGR2 EMR0

OSN 3500

(11)12, 13

1 ~ 8, 11 ~ 16

1 ~ 6, 13 ~ 16 6, 7, 12, 13

1 ~ 8, 11 ~ 16

5 ~ 8, 11 ~ 13

1 ~ 6, 13 ~ 16

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

1 ~ 4, 15 ~16

Page64

Ethe rne t Unit (C o nt.) 

Boards Description Board

Full name

Interface type

Connector

EFS4

4 x FE with L2 switching processing with interface board

10Base-T/ 100Base-TX

RJ-45

EFS0

8 x FE with L2 switching processing board

-

-

EFT8

8 (16) x FE transparent transmission processing with interface board

10Base-T/ 100Base-TX

RJ-45

10Base-T/ 100Base-TX

RJ-45

10Base-T/ 100Base-TX

RJ-45

100Mbit/s-FX

LC

ETF8

ETS8 EFF8

8 x FE twisted pair signal access board 8 x FE twisted pair signal access switching board 8 x FE optical signal access board

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page65

Ethe rne t Unit (C o nt.)

EFS4 STAT ACT PROG SRV

EFS0

EFT8

STAT ACT PROG SRV

STAT ACT PROG SRV

RJ 45 connector

FE1

FE2

FE1 FE3

FE4

EFT 4

FE2

STAT ACT PROG SRV

FE5

FE6

FE3

FE7

FE1

FE8

FE2 FE3

FE4

FE4

EFS4

EFS0

EFT 8

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page66

Ethe rne t Unit (C o nt.)

ET S8

ETF8

EF F8

1 2 3 4 5 6 7 8

FE PORT RJ 45 Connector

LINK ACT

FE2 FE3

FE2

FE4

FE1

FE5

FE3

Interface Board

EFT8

ETF8,EFF8

EFS0

ETF8,EFF8,EFS8

EMS4 EMR0

FE6

FE8

FE5

FE6 FE7

FE4

OUT1 IN1OUT2 IN2OUT3 IN3OUT4 IN4OUT5 IN5OUT6 IN6OUT7 IN7OUT8 IN8

FE1

ETF8,EFF8

FE7

CLASS 1 LASER PRODUCT

Board Name

FE8

ET S8

EFF8

ETF8

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page67

Ethe rne t Unit (C o nt.) 

Boards Description Slot available Board Name

EFS4

OSN

OSN

1500A

1500B

12, 13

11 ~ 13

EFS0 EFT8 EFT4 ETF8 ETS8

OSN 3500 OSN 2500 5 ~ 8, 11 ~ 13 6, 7, 12, 13 7, 12, 13 (5 ~ 8, 11 ~ 13)

40G

80G

200G

1 ~ 8, 11 ~ 16 (17) 2 ~ 5, 13 ~ 16

－

12 ~ 13

2, 3, 6, 9, 12, 13

1 ~ 3, 6 ~ 9, 12, 13

5 ~ 7, 19 ~ 21

－

－

14 ~ 16

1, 3, 15, 17

19, 21, 23, 25, 29, 31, 33, 35

1 ~ 6, 13 ~ 16

EFF8 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page68

Ethe rne t Unit (C o nt.) 

Function of EFS4 Collect Alarm and performance

4 X FE

SCC

GFP N×VC12/VC3 VC-12-Xv(x≤63), VC-3-Xv(x≤12)

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

8 X VC4

Page69

Send to Cross-connect unit

FE

d to Sen

Ethe rne t Unit (C o nt.) 

Features of EFS4 

Supports bandwidth auto-sensing



Supports MPLS



Supports LCAS



Supports Port based flow control



Supports receiving and transmitting Ethernet testing frame



Supports inloop at Ethernet port and inloop and outloop at VC3 level



Supports port level Ethernet performance monitoring



Supports EPL/EPLAN/EVPL/EVPLAN services and QoS

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page70

Ethe rne t Unit (C o nt.) 

Common alarms of Ethernet unit Alarm level Critical

Major

Color

Alarm name HARD_BAD ETH_LOS TU_AIS_VC3 PROTOCOL_MM LP_RDI_VC3

Minor

LCAS_BAND_ DECREASED

Alarm reason Faulty board hardware Interrupted Ethernet link Interrupted contiguous VC3-xc Mismatched encapsulation protocol TU_AIS_VC3 happens in the opposite node VC-Trunk bandwidth decreases

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page71

Ethe rne t Unit (C o nt.) ď Ź

Common performance events of Ethernet unit Performance name

Performance meaning

DropOv

Number of packet losses is over upper alarm threshold

DropUd

Number of packet losses is under lower alarm threshold

RxBadOctOv

Number of the bytes of bad packets received is over upper alarm threshold

RxBadOctUd

Number of the bytes of bad packets received is under lower alarm threshold

TxBadOctOv

Number of the bytes of bad packets transmitted is over upper alarm threshold

TxBadOctUd

Number of the bytes of bad packets transmitted is under lower alarm threshold

ColOv

Number of detected conflicts is over upper alarm threshold

ColUd

Number of detected conflicts is under lower alarm threshold

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page72

ATM Unit 

Boards Description Board

ADL4

ADQ1

IDL4

IDQ1

Full name 1 x STM-4 ATM processing with interface board

Interface type

Ie-1, S-1.1, Ve-1.2, L-1.2,

board

L-1.1

interface board

LC

S-4.1, L-4.1, L-4.2, Ve-4.2

4 x STM-1 ATM/IMA processing with

Ie-1, S-1.1, L-1.2, Ve-1.2,

interface board

L-1.1

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

type

S-4.1, L-4.1, Ve-4.1, L-4.2

4 x STM-1 ATM processing with interface

1 x STM-4 ATM/IMA processing with

Connector

Page73

ATM Unit (C o nt.)

AD Q1

ADL4 STAT ACT PROG SRV

CLASS 1

I DL4

STAT ACT PROG SRV

CLASS 1

CLASS 1

LASER

LASER

LASER

PRODUCT

PRODUCT

PRODUCT

CLASS 1 LASER PRODUCT

OUT1 IN1

OUT1 IN1

OUT1 IN1

OUT1 IN1

OUT2 IN2

OUT2 IN2

CLASS 1 LASER PRODUCT

I DQ 1

STAT ACT PROG SRV

STAT ACT PROG SRV

OUT3 IN3

OUT3 IN3 AD Q1

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

OUT4 IN4

OUT4 IN4

ADL4

IDL4

I DQ 1

Page74

S F P C O N N E C T O R

ATM Unit (C o nt.) 

Slot available Slot available Board Name

OSN

OSN

1500A

1500B

OSN 3500 OSN 2500

ADL4 ADQ1 IDL4 IDQ1

12, 13

(11), 12, 13

7, 8, 11-13

40G

80G

200G

6 ~ 8, 11 ~ 13

1 ~ 8, 11 ~ 17

1 ~ 8, 11 ~ 16

1 ~ 8,11 ~ 17

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page75

ATM Unit (C o nt.) 

Function of ADQ1 Collect Alarm and performance

4 X ATM

SCC

Send to Cross-connect unit

ATM

d to Sen

Mapper VC-12, VC-4, VC4-Xv

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

8 X VC4

Page76

ATM Unit (C o nt.) 

Features of ADQ1 

Supports CBR, rt-VBR, nrt-VBR and UBR



Supports QoS



ATM switching capability: 1.25 Gbit/s



Max. uplink bandwidth: 8 VC-4, or 12 VC-3 + 4 VC-4



E3 traffic can be received from PDH board



Supports ATM multicast connection



Supports VP-Ring and VC-Ring



Uni-directional/bidirectional 1+1 and 1:1 board protection



Supports inloop and outloop

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page77

ATM Unit (C o nt.) 

Common alarms of ATM unit Alarm level

Color

Alarm name

VPAIS Critical VCAIS

Major

Alarm reason More critical alarms e.g. R_LOS happens.

The faulty ATM board More critical alarms e.g. R_LOS happens.

The faulty ATM board

VPRDI

The VPAIS is reported on the opposite node ATM board

VCRDI

The VCAIS is reported on the opposite node ATM board

LCD

The cell heads are lost

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page78

ATM Unit (C o nt.) 

Common performance of ATM unit Performance name

Performance meaning

VC3BBE

VC3 block of background error

VC3ES

VC3 errored second

VC3FEBBE

VC3 far end block of background error

VC3FEES

VC3 far end errored second

ATM_INGCELL

Number of input cells in ATM link

ATM_EGCELL

Number of output cells in ATM link

ATM_CORRECTED_HCSERR

Number of corrected cells with HCS error at ATM interface

ATM_UNCORRECTED_HCSE RR

Number of uncorrected cells with HCS error at ATM interface

ATM_RECV_CELL

Number of cells ATM interface received

ATM_RECV_IDLECELL

Number of idle cells ATM interface received

ATM_TRAN_CELL

Number of cells ATM interface transmitted

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page79

MS T Unit 

Board description Board Name

Description 4 x multi-service transparent transmission

MST4 

processing with interface board

Slot available Slot available Board Name

MST4

OSN

OSN

1500A

1500B

12, 13

11 ~ 13

OSN 2500 5 ~ 8, 11 ~ 13

OSN 3500 1 ~ 8, 11 ~ 16 (17)

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page80

MS T Unit 

Service Types Service type

Rate

Remarks

GE

1000 Mbit/s

Data service

FC50

531.25 Mbit/s

Storage Area Network (SAN)

FC100/FICON

1062.5 Mbit/s

SAN service

FC200

2125 Mbit/s

SAN service

ESCON

200 Mbit/s

SAN service

DVB-ASI

270 Mbit/s

Video service

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page81

MS T Unit (C o nt.)

MST4



STAT ACT PROG SRV

OUT1 IN1 OUT2 IN2 OUT3 IN3 OUT4IN4

MST4

S F P C O N N E C T O R

Features of MST unit 

Total uplink bandwidth 2.5G



Supports GFP-T encapsulation



Inloop and outloop function at the client side



Distance extension function for ports 1 and 2



SFP Modules

Services

SDH side

Client side

FC100

3000km

40km

FC200

1500km

20km

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page82

MS T Unit (C o nt.) 

Function Collect Alarm and performance

SCC

Multi-Services

Send to Cross-connect unit

SAN

d to Sen

GFP-T VC-4-4c/8c/16c

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

16 X VC4

Page83

Core Unit -OS N 1500/2500 

The CXL1/CXL4/CXL16 is the core unit used in OptiX OSN 1500/2500.

Cross-connect Unit

Timing Unit

SCC Unit

Line Unit

Location in OptiX OSN 1500A and OptiX OSN 1500B: slot 4 and 5

Location in OptiX OSN 2500: slot 4 and 5

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page84

Cros s -Conne ct Unit SDH unit

PDH unit

Data unit Collect Alarm

S d to n e S

High-order cross-connect matrix

Low-order cross-connect matrix

MultiGranularity: VC12/VC3/VC4/V C-4-xc

Flexible service cross-connect, loopback, multicast and broadcast

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page85

CC

Cros s -Conne ct Unit –OS N1500/2500 CX L 1 6

CXL4

CX L 1

STAT ACTX ACTC PROG SRVX SRVL SYNC ALMC

STAT ACTX ACTC PROG SRVX SRVL SYNC ALMC

STAT ACTX ACTC PROG SRVX SRVL SYNC ALMC

CLASS 1 LASER PRODUCT

CLASS 1 LASER PRODUCT

CLASS 1 LASER PRODUCT

OUTIN

OUTIN

OUTIN

RESET

RESET

RESET

ALM CUT

ALM CUT

ALM CUT

Indicator

Color

Description Board works normally

STAT

Board hardware fails Board is powered off

ACTX

Cross-connect unit is in active status Cross-connect unit is in standby status

CX L 1 6

CX L 4

CX L 1

Logical unit  GXCL (5G)  EXCL (20G)

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page86

Cros s -conne ct Unit –OS N3500



The cross-connect unit is inserted in slot 9 or 10 of OptiX OSN 3500.

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page87

Cros s -Conne ct Unit –OS N3500 

OSN 3500 High-order

Max access

and timing board

capacity

GXCS

35G

35G

5G

EXCS

58.75G

75G

5G

UXCSA

58.75G

60G

20G

UXCSB

60G

60G

20G

1.25G

SXCSA

155G

180G

20G

-

SXCSB

156.25G

180G

20G

1.25G

XCE

1.25G

-

1.25G

-

cross-connect capacity

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Low-order

cross-

For Extension

Cross-connect

connect capacity

sub-rack HO XC capacity

-

Page88

Cros s -Conne ct a nd Timing Unit – OS N3500 GXCSA

EXCSA

UXCSA

STAT ACT PROG SRV SYNC

STAT ACT PROG SRV SYNC

STAT ACT PROG SRV SYNC

GXCSA

EXCSA

UXCSA

UXCSB STAT ACT PROG SRV SYNC

XCE STAT ACT PROG SRV SYNC

EXA

EXA

EXB

EXB

UXCSB

XCE

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

SXCSA STAT ACT PROG SRV SYNC

SXCSB STAT ACT PROG SRV SYNC

EXA

EXB

SXCSA

SXCSB

Page89

Cros s -conne ct Unit –OS N3500 UXCSB

XCE

STAT ACT PROG SRV SYNC

STAT ACT PROG SRV SYNC

EXA

EXB

UXCSB

DB26 Connector: To connect the main sub-rack and the extension sub-rack together.

UXCSB/SXCSB EXA

EXA

EXB

EXB

EXA

EXA

EXB

EXB

EXA

EXB

XCE

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

XCE

Page90

Cros s -Conne ct Unit 10G line unit

10G line unit

Crossconnect

2.5G line unit

PDH unit

Crossconnect

Standby

2.5G line unit

PDH unit

Active Ethernet unit

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Ethernet unit

Page91

Cros s -Conne ct Unit (C o nt.) 

Features 

Support SNCP protection for VC-4-4C, VC-4-8C, VC-4-16C, VC-4-64C, VC-4, VC-12, VC-3



Support 1+1 hot backup



Active/standby Restoration



Inserted in slots 9 (Active) and 10 (Standby)

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page92

Timing Unit –OS N1500/2500

Indicator

Color

Description Clock works in Normal mode

SYNC Clock works in hold-over or free-run mode

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page93

Timing Unit –OS N3500

Indicator

Color

ACT SYNC

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Description ON Board is active/OFF Board is standby Clock works in Normal mode Clock works in hold-over or free-run mode

Page94

Timing Unit 

Features 

Process traced clock signal from Line, Tributary and external clock



Process 2 x Input/ 2 x Output 2Mbits/2Mhz external clock signals



Support Normal (Trace), Hold-over and Free-run clock status working

modes 

Process SSM byte to realize clock protection switching 

Non-synchronization status message (SSM) mode



Standard SSM mode



Extended SSM mode

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page95

Cros s -Conne ction & Timing Unit 

Common alarms of Cross-Connect and Timing unit Alarm level

Color

Alarm name BUS_ERR

Major

Minor

Chip of the cross-connect board is damaged Damaged backplane bus

APS_INDI

MSP switching happens

TEMP_OVER

Ambient temperature is too high.

W_OFFLINE

Ejector lever on the front panel is rotated to the open position.

EXT_SYNC_LOS

Physical interface signal of the external clock source is lost.

CLOCK_ENTER_NO _TRACE_MODE

Clock working mode changes from locked into holdover or free-run.

APS_FAIL Warning

Alarm reason

Multiplex section protection switching fails.

MS node information is lost or set incorrectly

SWITCH_DISABLE

Board switching is disabled

OTH_BD_STATUS

Another board pulled out or plugged in

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page96

S ys te m Control & Communica tion Unit

SDH unit Commands

PDH unit Other unit

Collect Alarm and performance

Cross-connect unit

NMS

DCC

Other NE

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page97

S ys te m Control & Communica tion Unit – OS N1500/2500 CXL1

 Active SCC unit ACTC

(

)

STAT ACTX ACTC PROG SRVX SRVL SYNC ALMC

 Standby SCC unit ACTC

(

)

 To cut buzzer temporarily, press ALMC for 1 second

(

)

 To cut buzzer permanently, press ALMC for 3 seconds

(

)

 To re-enable buzzer, press ALMC for 1 second

(

)

CLASS 1 LASER PRODUCT

OUTIN

Reset board RESET

 To warm reset board, press RESET

ALM CUT

Alarm cut switch (short and long press)

CXL1

Logical unit  SCC  GSCC (with ASON)

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page98

S ys te m Control & Communica tion Unit – OS N3500 (C o nt.)

SCC STAT ACT PROG SRV PWRA PWRB PWRC ALMC

GSCC

Reset

STAT ACT PROG SRV PWRA PWRB PWRC ALMC

Indicator

Color

PWRA

PWRB RESET

PWRC

ALM CUT

RESET

ALMC Alarm cut

Description The –48 V power supply A is normal.

The –48 V power supply A is faulty (lost or failed).

The –48 V power supply B is normal.

The –48 V power supply B is faulty (lost or failed).

The 3.3 V protection power is normal.

The 3.3 V protection power is lost.

Currently in permanent alarm cut-off status.

Give audible warning upon critical alarm.

ALM CUT

 To warm reset board, press RESET

SCC

GSCC

 To cut buzzer temporarily, press ALMC for 1 second

(

)

 To cut buzzer permanently, press ALMC for 3 seconds

(

)

 To re-enable buzzer, press ALMC for 1 second

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

(

)

Page99

S ys te m Control & Communica tion Unit (C o nt.) 

Functions 

Service configuration, grooming and monitoring



Collects alarm and performance events



Supports NE ID setting by software



1+1 hot backup



Extended ECC



Controls cabinet indicators and fans



3 Housekeeping alarm inputs and 1 alarm outputs



Supports ASON intelligent function



OSN3500: Inserted in slot 18 (Active) and/or Slot 17 (Standby)

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page100

S ys te m Control & Communica tion Unit (C o nt.) 

Extended ECC function

NMS

Ring A

Ring B

Ethernet port

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

L< 50m

Page101

Ethernet port

S ys te m Control & Communica tion Unit (C o nt.) ď Ź

Four databases on the SCC

Issued data

MDB Automatically saves the current data in dynamic RAM. If power fails, the data in MDB will be lost.

MDB DRDB Automatically saves the successfully verified data.

If power fails, the data in DRDB will be lost.

FDB0, FDB1 Manually or periodically saves the data. Enduringly saves data and does not need battery.

Fail

verify

NE in installing status

Success

DRDB

Boards in running status

Save manually or periodically every 30 mins

FDB0 FDB1

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page102

S ys te m Control & Communica tion Unit (C o nt.) 

Common alarms of SCC unit Alarm level Critical

Color

Alarm name

Alarm reason

NESTATE_INSTALL

NE is in the installing state.

MSSW_DIFFERENT

WRG_BD_TYPE Major

NESF_LOST POWER_ABNORMA L POWER_FAIL

Software in the master and slave SCC are mismatched Inserted board and the configured board are mismatched Host software is lost.

Faulty power resource, e.g. the 3.3V power module of the SCC or AUX, and the 3.3V backup power module, and 2 channels of – 48V Too low battery voltage on the SCC

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page103

Auxilia ry Unit 

Board Description Board

Function

Remark

AUX

Auxiliary Interface Board

－

PIU

Power Interface Board

－

EOW

Orderwire Board

－

SAP

System Auxiliary Process

Only for OptiX OSN 2500

SEI

System Extended Interface

Only for OptiX OSN 2500

UPM

Uninterruptible Power Modules

External

AMU

Auxiliary Monitoring Unit

Only for OptiX OSN 1500

BA2

Booster Amplifier Board

－

BPA

Pre-amplifier Board

－

COA

Case-based Optical Amplifier

External

DCU

Dispersion Compensation Board

Only for OptiX OSN 3500/7500

FAN/FANA

Fan unit

－

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page104

Auxilia ry Unit –AUX&AMU (OS N 1500) AUX

AUX

ETH: T2000 Interface

ETH

COM

CLK

ALM

OAM/F&f



The AUX board used in OptiX OSN 1500 is inserted in slot 10.

COM: Commissioning Interface CLK : 120 ohms external clock input/output interface ALM: House-keeping alarm input/output interface OAM/F&f: NM and management serial interface

AMU

The AMU board used in OptiX OSN 1500 is inserted in slot 9.

STAT PROG



AMU

PHONE: Orderwire Interface

PHONE

S1

S2

LAMP1

LAMP2

S1&S2: Broadcast data channels interfaces LAMP1&LAMP2: Provide drive current for cabinet indicators

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page105

Auxilia ry Unit -S AP &S EI (OS N 2500) ALMO1/2: Alarm output ALMI1/2: 8 x Environment alarm input LAMP1/2: Cabinet indicator output OAM: X.25 OAM F1: Co-directional data 64 Kbit/s S1 ~ S4: Serial 1 ~ 4 broadcast data





SAP is the system auxiliary processing board. It is inserted in slot 14 in OptiX OSN 2500.

SEI provides various auxiliary interfaces and management interfaces. It is on top of the subrack.

Q1SAP STA T PR OG PWR A PWR B PWR C

F&f: LCT PHONE: Orderwire CLK1/2: 120 Ω Ext clock input/output 1/2 V1/2: NNI Audio/Signaling ALMO1 ALMO2

LAMP 1

LAMP 2

OA M

F1

F& f

PHONE

CLK1

CLK2

COM

CLKO1 CLKO2 CLKI1 CLKI2

ALMI1

ALMI2

S1

S2

S3

S4

V1

V2

ETH

CLKO1/2: 75 Ω Ext clock output 1/2 CLKI1/2: 75 Ω Ext clock input 1/2

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Q1SAP

Page106

Auxilia ry Unit -AUX (OS N 3500) 

The AUX board used in OptiX OSN 3500 provides system auxiliary interfaces. It is inserted in slot 37.

ALMI1 ~ 4: Environment alarm input S1 ~ S4: Serial 1 ~ 4 broadcast data

75 ΩExt clock input 1/2 75 Ω Ext clock output 1/2 Board status CLKI2

CLK2

ETH

COM

EXT

ALMP1

ALMP2

ALMO1

ALMO2

ALMI1

ALMI2

ALMI3

ALMI4

CLK1

REV

F&f

F1

PHONE

V1

V2

OAM

S1

S2

S3

S4

CLKO1 CLKO2

NIAUX

STAT

NIAUX

CLKI1

CLK1/2: 120 Ω Ext clock input/output 1/2 ETH: T2000 COM: Commissioning EXT: Extended sub-rack REV: F&f: LCT F1: Co-directional data 64 Kbit/s

ALMP1/2: Cabinet indicator output ALM01/2: Alarm output Phone: Orderwire V1/2: NNI Audio/Signaling OAM: X.25 OAM

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page107

O

P IUA

NEG(-)

RTN(+)

Switch

CLK IN PWR

NEG(-)

Interface

75Ω synchronization input/output (SMB) interface

PWR

–48 V power access interface

PWS

50 W power output interface, supplying power for COA or HUB

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

RTN(+) CLK OUT

R1PIU is applicable to the OptiX OSN 1500B and seated in slots 18 and 19

Description

CLK IN/OUT

R1PIU

I

POWER

PWS

R1PIUA is applicable to the OptiX OSN 1500A and seated in slots 1 and 11

R1PIU

POWER

P IUA

Auxilia ry Unit -P IU

Indicator Power indicator

Status

Description

On, green

Power input is normal

Off

No power input or power failure

Page108

Auxilia ry Unit -P IU PIU

NIPIU



PWS



RTN(+)

Used in OSN 3500 Inserted in slot 27 and 28

PWR NEG(-) PWR

 

Used in OSN 2500 Inserted in slot 22 and 25

PS1

PS2

Interface

Description

PWS

50 W power output interface, supplying power for COA or HUB

NIPIU

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

PWR

–48 V power access interface

Page109

Auxilia ry Unit –P IU (C o nt.) 

Functions 

Access power –38.4 V ~ –57.6 V DC or -48 V ~ -72 V



Lightning protection



Enhanced electro magnetic compatibility (EMC) by filtering and shielding the power supply from EMI.



Provide 2 x 50 W power interfaces for external devices such as COA and HUB.



1+1 hot backup protection



Supply power to FAN boards



Detect input power failures

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page110

Auxilia ry Unit -EOW (OS N 1500) 

The EOW board is the orderwire board used in OptiX OSN 1500, which is inserted in slot 9 of the sub-rack.



The AMU/EOW or some SDH/PDH unit can be inserted in slot 9 of the subrack. Insert different boards due to different demands.

PHONE: Orderwire interface

EOW

EOW

STAT PROG

S1~S4: 4 broadcast data channel interfaces

PHONE

S1

S2

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

S3

S4

Page111

Auxilia ry Unit － UP M (OS N1500) 

Functions of UPM 

Convert AC 110/220V to DC -48V



Height 1U



Consists of converter and battery



Power feedback is 2 x 270W



Can be installed in 19 inch cabinet



Display CAU in T2000 NMS



Capacity of the battery is 40Ah

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page112

Auxilia ry Unit － UP M (OS N1500) 4 BAT

! CAUTION

BAT-

DO NOT INVERT POLARITY 注意极性 防止反接

BAT+ 48V+ 48VLOAD1

LOAD2

5 AC100~240

6 RUN

ALM Vout

ALM

ALM Vout RS232

1

1: AC input 4: Battery input

2

3

2: AC-DC Converter, ventilation 5,6: Power feed interface

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

3: Communication interface

Page113

Amplifie r Unit -BA2&BP A&COA Board

Description

Connector

BA2

Booster Amplifier Board

LC

BPA

Pre-amplifier Board

LC

COA

Case-based Optical Amplifier

LC

Slot available Board

COA BA2 BPA

OSN

OSN

1500A

1500B

OSN 2500

OSN 3500

External 12, 13

11 ~ 13

5 ~ 8, 11 ~ 13

1 ~ 8, 11 ~ 16 (17)

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page114

Auxilia ry Unit － BA2 Input optical power  -6 ~ +3 dBm

Tx

Output optical power  + 13 ~ + 15 dBm  + 15 ~ +17 dBm

Rx

BA

Input/Output optical power detection

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page115

Auxilia ry Unit － BA2 (C o nt.)

BA2 STA T ACT PR OG SR V

OUT1IN1

1/ 2 BA modules LC connector 

Specifications

IN2 OUT2

IN1/2 (dBm) CLASS 1 LASER PRODUCT

–6 ~ +3

BA2

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Output 1 (dbm)

Output 2 (dbm)

+13 ~ +15

-

+15 ~ +17

-

+13 ~ +15

+13 ~ +15

+15 ~ +17

+15 ~ +17

+13 ~ +15

+15 ~ +17

Page116

Auxilia ry Unit － BA2 (C o nt.) 

Function 

2 channel power amplification



Used on TX side



Fixed output optical power



Used for 1530 ~ 1565 nm signals



Reports laser performance parameter



ALS function



Automatic control of laser temperature and optical power of the EDFA

module

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page117

Auxilia ry Unit － BP A Receiver sensitivity  -38 dBm

Tx

Gain  22 dB

Rx

PA

Detects the input/output optical power

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page118

Auxilia ry Unit － BP A (C o nt.)

BPA STA T A CT PROG SRV

BOUTBIN

Port 1: BA module LC connector

POUT PIN

Port 2: PA module LC connector



Specifications POUT

BIN (dBm)

BOUT (dBm)

PIN (dBm)

-6 ~ +3

+13 ~ +15

-10 ~ -37

+11 ~ -16

-

+15 ~ +17

-

-

CLASS 1 LASER PRODUCT

BPA

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page119

(dBm)

Auxilia ry Unit － BP A (C o nt.) 

Function 

1-channel power amplification



1-channel pre-amplification



Fixed output optical power



Improving the receiver sensitivity to –38 dBm



BA used for 1530 ~ 1565 nm signals



PA used for 1550.12 nm signals



ALS function



Reports performance parameter

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page120

Auxilia ry Unit － COA 9

8

1

2

3

4

5

10

7

6

11

1. ID DIP switch

2. Running indicator

3. Alarm indicator

4. RS232-1

5. RS232-2

6. MONITOR-1

7. MONITOR-2

8. IN input optical port

9. OUT output optical port

10. Power switch

11. –48 V power interface

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page121

Auxilia ry Unit － COA (C o nt.) 

External installation



Types 

61COA 

Only one EDFA module



Can work as BA (+14 dBm or +17dBm), PA (with the receiver sensitivity of –38 dBm ) or LA



62COA 

Raman amplifier with good noise performance



used in the RX (with the receiver sensitivity of –39 dBm)



Ultra long hop transmission for a single span (>170 km )

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page122

Amplifie r Unit 

Common alarms of Amplifier unit Alarm level

Critical

Color

Alarm name

Alarm reason

IN_PWR_FAIL

No input signal

IN_PWR_HIGH

Input power is too high

IN_PWR_LOW

Input power is too low

OUT_PWR_ABN

Abnormal output power

PUM_COOL_ALARM

Faulty EDFA module

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page123

Amplifie r Unit 

Common performance of Amplifier unit Performance name

Performance meaning

EDRPLAVG

Current value of input optical power

EDRPLMAX

Maximum value of input optical power

EDRPLMIN

Minimum value of input optical power

EDTMPCUR

Current value of environment temperature

EDTMPMAX

Maximum value of environment temperature

EDTMPMIN

Minimum value of environment temperature

EDTPLCUR

Current value of output optical power

EDTPLMAX

Maximum value of output optical power

EDTPLMIN

Minimum value of output optical power

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page124

Auxilia ry Unit -DCU DC U

Board DCU

Description

Connector

Dispersion compensation board

LC

1/2 DCM LC connector IN1 OUT1 OUT2 IN2

Slot available Board

DCU

OSN

OSN

1500A

1500B

－

－

OSN 2500 －

OSN 3500 1 ~ 8, 11 ~ 17

OSN 7500 1-8, 11-18, 26-31 DC U

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page125

Auxilia ry Unit － DCU (C o nt.)

Compensates 60km or 80km

Tx

BA

PA

DCU

Insertion loss ≤7 dB  Used for 10G signals  Inserted in slots 1 ~ 8, 11 ~ 16  Works with BA and PA

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page126

Rx

Auxilia ry Unit -FAN

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page127

Auxilia ry Unit -FAN (C o nt.) 

Function 

Support hot swapping



Intelligent speed adjustment Indicator

Color

Description Fan operates normally.

STAT

Fan, fan power board or FANA is abnormal.

Fan is turned off due to low temperature.

Alarm level Major

Color

Alarm name FAN_FAIL

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Alarm reason Faulty fan Fan is power off

Page128

Que s tions 

Please list different boards in OptiX OSN 1500/2500/3500.

SDH Boards PDH Boards Ethernet Boards ATM Boards MST Boards WDM Boards Cross-connect and System Control Boards Auxiliary Unit

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page129

Conte nts 1.

Product Introduction

2.

Cabinet, Sub-rack

3.

Boards

4.

Common Network Elements and Configuration

5.

Features

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page130

Conte nts 4. Common network elements 4.1 Terminal multiplexer (TM) 4.2 Add and drop multiplexer (ADM) 4.3 Multi-add and drop multiplexer (MADM) 4.4 Regenerator (REG)

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page131

Te rmina l multiple xe r 

TM

Low rate signals PDH: E1/T1, E3/T3, E4 SDH: STM-1e DATA: FE, GE, ATM, ...

High rate signals SDH: STM-1/4/16/64

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page132

Te rmina l multiple xe r (C o nt.) 





TM functions Add and drop tributary signals 

PDH signals: E1/T1, E3/T3, E4



SDH signal: STM-1e

Cross-connect tributary & line unit signals

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page133

Te rmina l multiple xe r (C o nt.) 

TM configuration

Tributary unit 16 x E1s

Line unit

Slot 1

PL3A CXL16

Slot 20

Tributary unit

3 x E3s

FAN

STM-16

3 x E3s

32 x E1s

PIU

Line unit

STM-16

Slot 8 Slot 9

AUX

Slot 10

Slot 11

L75S

Slot 6

PD1

Slot 12

L75S

Slot 7

Slot 13

CXL16

Slot 4 Slot 5

OptiX OSN 1500A Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

EOW

PIU

PL3A CXL16

Slot 6

Slot 13 Slot 5

Slot 2

PL1

Slot 7

Slot 4

Slot 1

FAN

Slot 11

Slot 12

CXL16

PIU

Slot 20

PIU

Page134

Slot 8 EOW

Slot 9

AUX

Slot 10

Te rmina l multiple xe r (C o nt.) 

TM configuration

Tributary unit

Line unit

63 x E1s

STM-16

3 x E3s

D75S D75S C34S

Slot18

PIU

Slot19 Slot 6

PQ1

Slot 12

Slot 7

PL3

Slot 13

Slot8

CXL16

Slot 4

CXL16

Slot 5

OptiX OSN 1500B

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

PIU

Slot 11

Slot 20

FAN

Slot14 Slot15 Slot16 Slot 17

Page135

EOW

Slot 9

AUX

Slot 10

Te rmina l multiple xe r (C o nt.) 

TM configuration

Tributary unit

Line unit

63 x E1s

STM-16

4 x E3s

D 7 5 S

D 7 5 S

D 3 4 S

S l o t 1

S l o t 2

S l o t 3

S l o t 4

S l o t 5

P Q 1

P D 3

S l o t 6

S l o t 7

S l o t 8

C X L 1 6

C X L 1 6

S l o t 9

S l o t 1 0

S A P

S l o t 1 1

S l o t 1 2

S l o t 1 3

S l o t 1 4

S l o t 1 5

S l o t 1 6

S l o t 1 7

S l o t 1 8

Fiber routing panel SLOT 22 PIU

SLOT 23 FAN

SLOT 24 FAN

OptiX OSN 2500 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page136

SLOT 25 PIU

Te rmina l multiple xe r (C o nt.) 

D 3 4 S

TM configuration

Tributary unit

Line unit

126 x E1s

STM-64

S l o t 1 9

S l o t 2 0

S l o t 2 1

S l o t 2 2

D 7 5 S

D 7 5 S

D 7 5 S

D 7 5 S

S l o t 2 3

S l o t 2 4

S l o t 2 5

S l o t 2 6

A U X P I U

P I U

FAN

6 x E3s

S l o t 1

S l o t 2

S S S S l l l l o o o o t t t t 3 4 5 6

OptiX OSN 3500 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

S l o t 3 0

S l o t 3 1

S l o t 3 2

S l o t 3 3

S l o t 3 4

FAN

P P P D Q Q 3 1 1

2 x STM-1e

S l o t 2 9

S l o t 7

S L 6 4

G X C S

G X C S

S l o t 8

S l o t 9

S l o t 1 0

S l o t 3 6

S l o t 3 7

FAN

S l o t 1 2

Fiber Routing

Page137

S l o t 3 5

S l o t 1 2

S l o t 1 3

S l o t 1 4

S E P 1

G S C C

G S C C

S S l l o o t t 1 1 5 6

S l o t 1 7

S l o t 1 8

Add a nd drop multiple xe r 

ADM

High rate signals SDH: STM-1/4/16/64

Low rate signals PDH: E1/T1, E3/T3, E4 SDH: STM-1e DATA: FE, GE, ATM, ...

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page138

Add a nd drop multiple xe r (C o nt.) 



ADM functions Add and drop tributary signals 

PDH signals: E1/T1, E3/T3, E4



SDH signal: STM-1e



Cross-connect tributary & line unit signals



Cross-connect line units pass-through signals

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page139

Add a nd drop multiple xe r (C o nt.) 

ADM configuration

Tributary unit

Line unit

16 x E1s

STM-16

3 x E3s

FAN

Slot 20

Tributary unit

Line unit

32 x E1s

STM-16

3 x E3s

PIU

Slot 1

PL3A

Slot 11

Slot 6

Slot 12

Slot 7

Slot 13

Slot 8

Slot 4

EOW

Slot 9

CXL16

Slot 5

AUX

Slot 10

Slot 1

FAN

Slot 2

PIU

Slot 11

L75S

Slot 6

PD1

Slot 12

L75S

Slot 7

PL3A

Slot 13

CXL16

Slot 4

CXL16

Slot 5

OptiX OSN 1500A Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

PL1

CXL16

PIU

Slot 20

PIU

Page140

Slot 8 EOW

Slot 9

AUX

Slot 10

Add a nd drop multiple xe r (C o nt.) 

ADM configuration

Tributary unit

Line unit

63 x E1s

STM-16

3 x E3s

D75S D75S C34S

Slot18

PIU

Slot19 Slot 6

PQ1

Slot 12

Slot 7

PL3

Slot 13

Slot8

CXL16

Slot 4

EOW

Slot 9

CXL16

Slot 5

AUX

Slot 10

OptiX OSN 1500B

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

PIU

Slot 11

Slot 20

FAN

Slot14 Slot15 Slot16 Slot 17

Page141

Add a nd drop multiple xe r (C o nt.) 

ADM configuration

Tributary unit

Line unit

63 x E1s

STM-16

4 x E3s

D 7 5 S

D 7 5 S

D 3 4 S

S l o t 1

S l o t 2

S l o t 3

S l o t 4

S l o t 5

P Q 1

P D 3

S l o t 6

S l o t 7

S l o t 8

C X L 1 6

C X L 1 6

S l o t 9

S l o t 1 0

S A P

S l o t 1 1

S l o t 1 2

S l o t 1 3

S l o t 1 4

S l o t 1 5

S l o t 1 6

S l o t 1 7

S l o t 1 8

Fiber routing panel SLOT 22 PIU

SLOT 23 FAN

SLOT 24 FAN

OptiX OSN 2500 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page142

SLOT 25 PIU

Add a nd drop multiple xe r (C o nt.) 

D 3 4 S

ADM configuration

Tributary unit

Line unit

126 x E1s

STM-64

S l o t 1 9

S l o t 2 0

S l o t 2 1

S l o t 2 2

D 7 5 S

D 7 5 S

D 7 5 S

D 7 5 S

S l o t 2 3

S l o t 2 4

S l o t 2 5

S l o t 2 6

A U X P I U

P I U

FAN

6 x E3s

S l o t 1

S l o t 2

S S S S l l l l o o o o t t t t 3 4 5 6

OptiX OSN 3500 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

S l o t 3 0

S l o t 3 1

S l o t 3 2

S l o t 3 3

S l o t 3 4

FAN

P P P D Q Q 3 1 1

2 x STM-1e

S l o t 2 9

S l o t 7

S l o t 3 6

S l o t 3 7

FAN

S L 6 4

G X C S

G X C S

S L 6 4

S l o t 8

S l o t 9

S l o t 1 0

S S l l o o t t 1 1 1 2

Fiber Routing

Page143

S l o t 3 5

S l o t 1 3

S l o t 1 4

S E P 1

G S C C

G S C C

S S l l o o t t 1 1 5 6

S l o t 1 7

S l o t 1 8

Multi-a dd a nd drop multiple xe r 

MADM

High rate signals SDH: STM-1/4/16/64

Low rate signals PDH: E1/T1, E3/T3, E4 SDH: STM-1e DATA: FE, GE, ATM, ...

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page144

Multi-a dd a nd drop multiple xe r (C o nt.) 



MADM functions Add and drop tributary signals 

PDH signals: E1/T1, E3/T3, E4



SDH signal: STM-1e



Cross-connect tributary & line unit signals



Cross-connect line units pass-through signals



Used as intermediate node for topologies of different optical signal rates

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page145

Multi-a dd a nd drop multiple xe r (C o nt.) 

MADM configuration

Tributary unit

Line unit

16 x E1s

STM-16

3 x E3s

STM-4

Tributary unit

Line unit

32 x E1s

STM-16

3 x E3s

STM-4

PIU FAN

Slot 1

PL3A

PIU

Slot 4

CXL16

PIU FAN

Slot 5

Slot 1

PIU

Slot 2

PD1

Slot 11

Slot 8 EOW

Slot 9

AUX

Slot 10

L75S

Slot 12

Slot 6 Slot 7

PL3A

Slot 13

CXL16

Slot 4

EOW

Slot 9

CXL16

Slot 5

AUX

Slot 10

OptiX OSN 1500A Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Slot 6 Slot 7

Slot 13

CXL16

Slot 20

PL1

Slot 12

SLQ4 Slot 20

Slot 11

Page146

R1SLD4

Slot 8

Multi-a dd a nd drop multiple xe r (C o nt.) 

MADM configuration

Tributary unit

Line unit

63 x E1s

STM-16

3 x E3s

STM-4

D75S D75S C34S

Slot18

PIU

Slot19 Slot 6

PQ1

Slot 12

PL3

Slot 13

R1SLD4

Slot8

CXL16

Slot 4

EOW

Slot 9

CXL16

Slot 5

AUX

Slot 10

OptiX OSN 1500B

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

PIU

Slot 11

Slot 20

FAN

Slot14 Slot15 Slot16 Slot 17

Page147

Slot 7

Multi-a dd a nd drop multiple xe r (C o nt.) 

MADM configuration

Tributary unit

Line unit

63 x E1s

STM-16

4 x E3s

STM-4

D 7 5 S

D 7 5 S

D 3 4 S

S l o t 1

S l o t 2

S l o t 3

S l o t 4

S l o t 5

P Q 1

P D 3

S L D 4

C X L 1 6

C X L 1 6

S l o t 6

S l o t 7

S l o t 8

S l o t 9

S l o t 1 0

S A P

S l o t 1 1

S l o t 1 2

S l o t 1 3

S l o t 1 4

S l o t 1 5

S l o t 1 6

S l o t 1 7

S l o t 1 8

Fiber routing panel SLOT 22 PIU

SLOT 23 FAN

SLOT 24 FAN

OptiX OSN 2500 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page148

SLOT 25 PIU

Multi-a dd a nd drop multiple xe r (C o nt.) 

D 3 4 S

MADM configuration

Tributary unit

Line unit

100 x E1s

STM-64

6 x E3s

STM-16

2 x STM-1e

STM-4

S l o t 1 9

S l o t 2 0

S l o t 2 1

S l o t 2 2

D 7 5 S

D 7 5 S

D 7 5 S

D 7 5 S

S l o t 2 3

S l o t 2 4

S l o t 2 5

S l o t 2 6

A U X P I U

P I U

FAN

S l o t 1

S l o t 2

S l o t 2 9

S l o t 3 0

S l o t 3 1

S l o t 3 4

G X C S

S L 6 4

S S S S S S l l l l l l o o o o o o t t t t t t 3 4 5 6 7 8

S l o t 9

S l o t 1 0

S S l l o o t t 1 1 2 2

Fiber Routing

Page149

S l o t 3 5

S l o t 3 6

S l o t 3 7

FAN

G X C S

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

S l o t 3 3

FAN

P P P S S S D Q Q L L L 3 1 1 D 1 6 4 6 4

OptiX OSN 3500

S l o t 3 2

S l o t 1 3

S l o t 1 4

S E P 1

G S C C

G S C C

S S l l o o t t 1 1 5 6

S l o t 1 7

S l o t 1 8

Re ge ne ra tor 

OptiX OSN 2500REG High rate signals SDH: STM-64, STM-16, STM-16 (FEC)

3R: Re-amplify, Re-shaping, Re-timing

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page150

Re ge ne ra tor (C o nt.) 

OptiX OSN 2500REG functions



Regenerates and pass-through line unit signals



Terminates and regenerates overhead bytes of the regeneration section and transmit transparently other overhead bytes

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page151

Re ge ne ra tor (C o nt.) 

OptiX OSN 2500REG

configuration

S L 1 6

S F 1 6

S L 6 4

C R G

C R G

S L 6 4

S F 1 6

S S L A 1 P 6

S l o t 6

S l o t 7

S l o t 8

S l o t 9

S l o t 1 0

S l o t 1 1

S l o t 1 2

S l o t 1 3

CRG: 

Timing signal



System control &

S l o t 1

S l o t 2

S l o t 3

communication

S l o t 4

S l o t 5

S l o t 1 4

S l o t 1 5

S l o t 1 6

S l o t 1 7

S l o t 1 8

Fiber routing panel SLOT 22 PIU

SLOT 23 FAN

SLOT 24 FAN

OptiX OSN 2500 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page152

SLOT 25 PIU

Re ge ne ra tor (C o nt.) 

OptiX OSN 2500REG fiber connection

Fiber connection for one REG

Fiber connection for multi-REGs

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page153

Re ge ne ra tor (C o nt.) 

OptiX OSN 3500 High rate signals SDH: STM-64, STM-16, STM-16 (FEC)

Low rate signals PDH: E1/T1, E3/T3, E4 SDH: STM-1e DATA: FE, GE, ATM, ...

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

3R: Re-amplify, Re-shaping, Re-timing

Page154

Re ge ne ra tor  

OptiX OSN 3500 functions as REG & ADM Add and drop tributary signals 

PDH signals: E1/T1, E3/T3, E4



SDH signal: STM-1e



Cross-connect tributary & line unit signals



Cross-connect line units pass-through signals



Regenerates and pass-through line unit signals



Terminates and regenerates overhead bytes of the regeneration section and transmit transparently other overhead bytes

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page155

Re ge ne ra tor (C o nt.) 

D 3 4 S

OptiX OSN 3500 configuration as REG & ADM

Tributary unit Line unit 100 x E1s

STM-64

6 x E3s

STM-16 (FEC)

2 x STM-1e

STM-16

S l o t 1 9

S l o t 2 0

S l o t 2 1

S l o t 2 2

D 7 5 S

D 7 5 S

D 7 5 S

D 7 5 S

S l o t 2 3

S l o t 2 4

S l o t 2 5

S l o t 2 6

A U X P I U

P I U

FAN

S l o t 1

S l o t 2

S l o t 2 9

S l o t 3 0

S l o t 3 1

S l o t 3 2

S l o t 3 3

S l o t 3 4

FAN

S l o t 3 5

S l o t 3 6

S l o t 3 7

FAN

P P P S S S D Q Q L F L 3 1 1 1 1 6 6 6 4

G X C S

G X C S

S S S L F L 6 1 1 4 6 6

S E P 1

G S C C

G S C C

S S S S S S l l l l l l o o o o o o t t t t t t 3 4 5 6 7 8

S l o t 9

S l o t 1 0

S S S S l l l l o o o o t t t t 1 1 1 1 2 2 3 4

S S l l o o t t 1 1 5 6

S l o t 1 7

S l o t 1 8

OptiX OSN 3500 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Fiber Routing

Page156

Re ge ne ra tor (C o nt.) 

OptiX OSN 3500 fiber connection as REG & ADM

OSN 3500

SL64

SL64

IN

OUT

OUT

IN

IN

OUT

SL64

SL64

IN

OUT

OSN 3500

Fiber connection for REG

OSN 3500

IN

OUT

OUT

OUT

IN

IN

IN

OUT

OSN 3500

PQ1 SL16

SL16

SL16

SL16

Fiber connection for ADM

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page157

Common ne twork e le me nts s umma ry ADM

ADM

MADM

REG

STM-64

REG

STM-16

STM-1

ADM

ADM TM

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Low-rate signals

Page158

Conte nts 1.

Product Introduction

2.

Cabinet, Sub-rack

3.

Boards

4.

Common Network Elements and Configuration

5.

Features

Copyright Š 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page159

Equipme nt P rote ction -OS N1500 Items protected

Protection scheme

E1/T1 processing board

1:2 TPS

E3/DS3 processing board E4/STM-1 processing board

1:1 TPS

FE Processing board Core unit

1+1 hot backup protection

-48V power interface card

1+1 hot backup protection

3.3V card power supply 1:N centralized hot backup protection * The OptiX OSN 1500 can support two TPS groups of different types of services at the one time. 

1:2 TPS of E1/T1 board SLOT 14 SLOT 15 SLOT 16 SLOT 17

Slot 20

FAN

1:1 TPS of E3/T3 board



SLOT 14 SLOT 15 SLOT 16 SLOT 17

SLOT 18 PIU SLOT 19 PIU

Protection

SLOT 6 (622M)

Working

SLOT 7 (622M) Slot 20

SLOT 18 PIU SLOT 19 PIU

SLOT11

SLOT 6 (622M)

Protection

SLOT 7 (622M)

Working

SLOT 8 (622M)

Working

SLOT 8 (622M)

SLOT 4 CXL1/4, CXL16

SLOT 9 (622M)

SLOT 4 CXL1/4, CXL16

SLOT 9 (622M)

SLOT 5 CXL1/4, CXL16

SLOT 10 AUX

SLOT 5 CXL1/4, CXL16

SLOT 10 AUX

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

FAN

Page160

Equipme nt P rote ction –OS N2500 Items protected

Protection scheme

E1/T1 processing card

1:N (N ≤4) TPS

E3/T3 processing card

1:1 TPS (2 Groups)

E4/STM-1 processing card

1:1 TPS (2 Groups)

FE processing board

1:1 TPS (2 Groups)

Core unit

1+1 hot backup protection

-48V power interface card

1+1 hot backup protection

3.3V card power supply

1:N centralized hot backup protection

* The OptiX OSN 2500 can support two TPS groups of different types of services at the same time.

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page161

Equipme nt P rote ction –OS N2500 (C o nt.)

S L O T 1

S L O T 2

S L O T 3

S L O T 4

S L O T 5

P



S L O T 6

S L O T 7

S L O T 8

S L O T 9

S L O T 10

C X L

C X L

W W

S L O T 11

S L O T 12

S L O T 13

S L O T 14

S L O T 15

S L O T 16

S L O T 17

S L O T 18

S L O T 1

S L O T 2

S L O T 3



1:4 TPS of E1/T1 board

S A P W W

2 groups 1:1 TPS for E3/T3/E4/STM-1(e)/FE board

S L O T 4

S L O T 5

S L O T 6

S L O T 7

T S B P

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

S L O T 8

S L O T 9

S L O T 10

C X L

C X L

S L O T 11

W

S L O T 12

S L O T 14 S A P

W

Page162

S L O T 13

P

S L O T 15

S L O T 16

S L O T 17 T S B

S L O T 18

Equipme nt P rote ction –OS N3500 Items protected

Protection scheme

E1/T1 processing board

1:N (N ≤ 8) TPS

E3/T3 processing board

1:N (N ≤ 3) TPS (2 Groups)

E4/STM-1e processing board

1:N (N ≤ 3) TPS (2 Groups)

FE Processing board

1:N (N = 1) (2 Groups)

Cross-connect and timing unit

1+1 hot backup protection

SCC unit

1+1 hot backup protection

-48V power interface board

1+1 hot backup protection

3.3V board power supply

1:N centralized hot backup protection

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page163

Equipme nt P rote ction –OS N3500 (C o nt.)

1:8 TPS of E1/T1 board



Working

Working Working

S L O T 7

S L O T 8

S L O T 9

S L O T 1 0

S L O T 1 1

S L O T 1 2

S L O T 1 3

S L O T 1 4

S L O T 1 5

S L O T 1 6

S L O T 1 7

S L O T 1 8

S S C C C C

FE board1:1 TPS

S L O T 1

S L O T 2

S L O T 3

S L O T 1

S L O T 5

S S S 2 3 L O T 4 F F E E

P W

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

S L O T 4

E1 Working

Working

S L O T 6

E1 Working

Protection



S L O T 5

3 groups of mixed TPS

E3 Working E3 Protection E1 Protection

S L O T 4

Working

S L O T 3

Working Working

S L O T 2

Working

S L O T 1



S L O T 5

S L O T 6

S L O T 7

S L O T 8

S L O T 9

S L O T 1 0

S L O T 1 1

S L O T 1 2

S 1 3

S S 1 1 4 5

E4 /1 5 5 M

E4 E4 /1 /1 5 5 5 5 M M

W WW

S L O T 6

S L O T 7

S L O T 8

S L O T 9

S L O T 1 0

X C S

X C S

Page164

S L O T 1 1

S L O T 1 2

S L O T 1 3

S L O T 1 4

S 1 5 F E

S S S 1 L L 6 O O T T E4 1 1 /1 7 8 5 5 M S S P C C C C

S S S 1 L L 6 O O T T 1 1 F 7 8 E

S S C C W P C C

Equipme nt P rote ction (C o nt.) 



Fans 

The mutual backup of power supplies for the fans



Automatic fan speed adjustment 

Once one fan modules goes faulty, the others will operate at their full speed.



Turns off the fans at low temperature

Abnormality-Specific Board Protection 

Check function of application program and data



Over-voltage and under-voltage protection



Board temperature check

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page165

Ne twork Le ve l P rote ctions Protections Linear MSP

Types 1+1 MSP 1:N (1 ≤ N ≤ 14) MSP 2-fiber bidirectional MSP ring

MSP ring

2-fiber unidirectional MSP ring 4-fiber bidirectional MSP ring

Mesh Protection

Intelligent function

SNCP Dual node interconnection (DNI) Fiber-Shared Virtual Path Protection MS-Shared Optical Path Protection RPR VP-Ring/VC-Ring Protection

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page166

Inte llige nt Fe a ture s 

Service level agreement (SLA)



Topology automatic discovery function



Automatic end-to-end service configuration



Support mesh networking and protection



Traffic engineering

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page167

Re s ilie nt P a cke t Ring (RP R) 

Topology automatic discovery function



Fair algorithm



3 service levels

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page168

S umma ry 

Product Introduction



Cabinet, Sub-rack and Boards



Common Network Elements and Configuration



Features

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Page169

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