 
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PSC Home |
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Telecommunications |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Testing, Repairing and Installing Home telephone Wiring - Multiple Phone Line Installation
Two lines can be connected to single jacks or two lines can be wired to double jacks according to the following diagrams and using the terminals and wires (or their color equivalents shown in the table below): Four lines can be set up on double jacks using the pattern below: The chart below shows wiring patterns and jack/plug names for installing up to three phone lines using single jacks and plugs:
For key systems and other multi-line equipment, 4-pair cable can be connected to RJ-61 plugs and jacks that allow up to four phone lines. They have a wider 8-pin plug and an 8-terminal jack as shown below:
In such installations a phone or fax machine with a standard plug can still be connected to a properly wired RJ-61 jack to access the first or second line, but an RJ-61 plug would be needed to use the third or fourth line. Wiring patterns can vary for specific 4-line (RJ-61) and data (RJ-45) installations so you will want to reference a guide for your specific equipment or specific data application. Wire Category Table: Cat XX wire reference is a specified category of performance for inside wire and cable systems.
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
white/green
orange
white/orange
black
blue or
blue/white
red
white/blue
green
orange/white
yellow
green/white
