cable
cable
Bell connects between pins 3 and 5
| Telephone line wiring | |||||
| Pin | Line | Installation cable |
Instrument cable |
Bell connects between pins 3 and 5 |
|
| 1 | N/C | Green/White | |||
| 2 | LINE B (-50V) | Blue/White | Yellow | Red | |
| 3 | RINGER | Orange/White | Green | Blue | |
| 4 | LOCAL EARTH | White/Orange | Green | ||
| 5 | LINE A (0V) | White/Blue | Black | White | |
| 6 | N/C | White/Green | |||
