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PDH DMR Links

PDH DMR Links Over 15 years experience in the development and production of Digital Microwave Radio Links: Digital Microwave Radios have found rapid acceptance and are installed world-wide.

Sagittar’s

The Sagittar SGT-LPN

series of Digital Microwave Radios are Sagittar’s flagship products in the point-to-point PDH market, which provide a high value proposition, exceptional configuration flexibility and are ideal for rapid installation in modern communications networks.

The SGT-LPN series of Unlicensed Band DMR Links deliver: 

ISM Band 2.4GHz and 5.8GHz band

Exceptionally high link performance and reliability in extreme conditions

Rapid, simple installation by semi-skilled labour with plug-and-play software

Easy-to-configure and high product flexibility

Lowest lifetime cost of ownership

Unsurpassed price/performance ratio

Key features include: 

2E1, 4E1, 8E1, 16E1, 32E1 and 10/100BaseT Ethernet transmission, selectable traffic capacity

The products are software scaleable and can be configured either locally or remotely

Same Base Unit supports different service cards, i.e. 8E1, Fast Ethernet

Same IDU supports different ODU

Full range of configurations and frequency bands

Software Spectrum Analysis

Choice of RF channel without interference can be configured using software

Management & Control via LCD or Web browser

Adaptive Reed-Solomon Forward Error Correction (FEC) for high grade of service

Automatic Transmit Power Control (ATPC)

SNMP (NMI) Option available

Low power consumption

Protection Option available

Easy-to-configure and high product flexibility

Rapid, simple installation by semi-skilled labour with plug-and-play software

Contact Details: sales@sagittar.com Web: http://www.sagittar.com Version: 38724 Issue 1.6

HighPerformance LPN Series Telecommunications and Networking Solutions


PDH DMR Links

PDH DMR Links

Data Sheet: General Specifications System Configurations

Non-Protected (1+0) 1+1 Hot Standby System Space and frequency diversity

RF Channel Selection

IDU Controlled or via NMS

Modulation Type

QPSK (or 16QAM)

Digital Line Code

HDB3

Digital I/O Connectors

DB-37 E1 75, unbalanced or 120, balanced 10/100BaseT: 100 balanced RJ45

Intermediate Frequency

310MHz/70MHz

Unfaded BER

10-11 or better

Loopbacks

Port Loopback, Frame Loopback, IDU IF Loopback, Remote Line Loopback.

MTBF

180,000 Hours

Frequency (GHz)

2400 ~ 2483.5

Capacity

2E1, 4E1

2300 ~ 2500

5725 ~ 5850 4E1, 8E1, 0/2/4E1+FE

Transmitter Output Power Attenuation Range

25dBm

25dBm

20 /27dBm

20dB

Receiver Overload

-20dBm

Receiver Sensitivity

-87dBm /4E1 QPSK, -83dBm / 8E1, 0/2/4E1+FE QPSK

(1x10-6 BER)

-90dBm /2E1 QPSK -83dBm/4E1 16QAM -80dBm/8E1 16QAM -77dBm/16E1 16QAM -74dBm/32E1 16QAM

Microwave Link Interface Interface types

Contact Details: sales@sagittar.com Web: http://www.sagittar.com Version: 38724 Issue 1.6

N(f)

HighPerformance LPN Series Telecommunications and Networking Solutions


PDH DMR Links

PDH DMR Links Mechanical Dimension (mm) Weight IDU-ODU Interconnection

IDU:

482 x 44 x 265mm

ODU:

300 x 230 x 125mm

IDU:

3.5kg

ODU:

5kg

Single Cable, RG-8 Type, 50 unbalanced Recommended Cable:

Belden 9913

Maximum Distance:

Up to 1000 Ft. (300 m)

ODU Connector Type:

“N” Male

IDU Connector Type:

“TNC” Male

ENVIRONMENTAL Temperature Range Relative Humidity

IDU: ODU: IDU: ODU:

-10~+50C -33~+55C 20%~90% 0%~100%

SERVICE CHANNELS AUX Data

Bit Rate: 19.2kbps,Protocol: RS232C Interface: RJ45

Software upgrading interface

Bit Rate: 115.2kbps Protocol: RS232C Interface: RJ45

Engineering Orderwire

Headset with Microphone and Earphone, 3.5mm (1/8 inch)

NMS Data Channel

Rate: 100Mbps, Protocol: 10/100 Base-T, Interface: RJ45

POWER SUPPLY Standard Input

-40VDC to -60VDC

Power Consumption

30Watts

Contact Details: sales@sagittar.com Web: http://www.sagittar.com Version: 38724 Issue 1.6

HighPerformance LPN Series Telecommunications and Networking Solutions


PDH DMR Links

PDH DMR Links 2.4GHz ISM Band (2400~2483.5MHz) Frequency Configuration Channel number:

4

Pairs

Interval between two channels:

7

MHz

55

MHz

T/R spacing for the same channel: H

(High Band Radio Station)

(Low Band Radio Station)

Tx

Rx

(MHz)

(MHz)

1

2404

2459

1’

2459

2404

2

2411

2466

2’

2466

2411

3

2418

2473

3’

2473

2418

4

2425

2480

4’

2480

2425

CH

Contact Details: sales@sagittar.com Web: http://www.sagittar.com Version: 38724 Issue 1.6

L

CH’

Tx (MHz)

Rx (MHz)

HighPerformance LPN Series Telecommunications and Networking Solutions


PDH DMR Links

PDH DMR Links 2GHz (2300~2500MHz) Frequency Configuration

(1)

Channel number:

12

Pairs

7

MHz

116

MHz

Interval between two channels: T/R spacing for the same channel: H

(High Band Radio Station)

L

(Low Band Radio Station)

CH

Tx (MHz)

Rx (MHz)

CH’

Tx (MHz)

Rx (MHz)

1

2303.5

2419.5

1’

2419.5

2303.5

2

2310.5

2426.5

2’

2426.5

2310.5

3

2317.5

2433.5

3’

2433.5

2317.5

4

2324.5

2440.5

4’

2440.5

2324.5

5

2331.5

2447.5

5’

2447.5

2331.5

6

2338.5

2454.5

6’

2454.5

2338.5

7

2345.5

2461.5

7’

2461.5

2345.5

8

2352.5

2468.5

8’

2468.5

2352.5

9

2359.5

2475.5

9’

2475.5

2359.5

10

2366.5

2482.5

10’

2482.5

2366.5

11

2373.5

2489.5

11’

2489.5

2373.5

12

2380.5

2496.5

12’

2496.5

2380.5

A

B

2GHz (2300~2500MHz) Frequency Configuration

(2)

Channel number:

6

Pairs

Interval between two channels:

14

MHz

T/R spacing for the same channel:

116

MHz

H

(High Band Radio Station)

CH

Tx (MHz)

Rx (MHz)

1

2307

2423

2

2321

2437

3

2335

2451

4

2349

2465

5

2363

2479

6

2377

2493

Contact Details: sales@sagittar.com Web: http://www.sagittar.com Version: 38724 Issue 1.6

L

A

B

(Low Band Radio Station)

CH’

Tx (MHz)

Rx (MHz)

1’

2423

2307

2’

2437

2321

3’

2451

2335

4’

2465

2349

5’

2479

2363

6’

2493

2377

HighPerformance LPN Series Telecommunications and Networking Solutions


PDH DMR Links

PDH DMR Links

5.8GHz ISM Band (5725~5850MHz) Frequency Configuration (1) Channel number:

6

Pairs

Interval between two channels:

7

MHz

82

MHz

T/R spacing for the same channel: H

(High Band Radio Station)

CH

Tx (MHz)

L

Rx (MHz)

(Low Band Radio Station)

CH’

Tx (MHz)

Rx (MHz)

1

5729

5811

1’

5811

5729

2

5736

5818

2’

5818

5736

3

5743

5825

3’

5825

5743

4

5750

5832

4’

5832

5750

5

5757

5839

5’

5839

5757

6

5764

5846

6’

5846

5764

5.8GHz ISM Band (5725~5850MHz) Frequency Configuration (2) Channel number:

3

Pairs

Interval between two channels:

14

MHz

T/R spacing for the same channel:

82

MHz

H

(High Band Radio Station)

L

Tx

Rx

(MHz)

(MHz)

1

5732

2 3

CH

Contact Details: sales@sagittar.com Web: http://www.sagittar.com Version: 38724 Issue 1.6

(Low Band Radio Station) CH’

Tx (MHz)

Rx (MHz)

5814

1’

5814

5732

5746

5828

2’

5828

5746

5760

5842

3’

5842

5760

HighPerformance LPN Series Telecommunications and Networking Solutions


Sagittar License-exempt Band PDH Digital Microwave Radios