How to Choose the Correct Keystone Jack They are female connectors used in data communication, usually for LAN wiring. Generally, the jack is set up in a patch panel or wall plate. There is a matching male connector which is a keystone plug, attached to the end of a cord or cable.
The name ‘keystone’ itself comes from the features of the jack. It resembles the standard RJ-11 wall jack that connects telephone sets, dial-up, fax machines to conventional telephone lines.
Where Are They Used? The keystone jack is an important accessory for any high-end entertainment system, high-tech computer unit or any
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