Use this table when connecting to a 4-wire port circuit pack.
The recorder audio connections are shown in bold.
| DESIGNATION |
PIN # ON NEW
MODULAR LINE JACK |
TYPICAL 103 OR
104 BLOCK # |
DEFINITY STATION
WIRING CODE |
PAIR |
Terminal transmit
tip (TXT) |
1 |
3 |
white/orange |
 |
2 |
Terminal transmit
ring (TXR) |
2 |
4 |
orange/white |
 |
2 |
Private branch exchange
transmit tip (PXT) |
3 |
5 |
white/green |
 |
3 |
Analog audio output
for recorder (R) |
4 |
2 |
blue/white |
 |
1 |
Analog audio output
for recorder (T) |
5 |
1 |
white/blue |
 |
1 |
Private branch exchange
transmit ring (PXR) |
6 |
6 |
green/white |
 |
3 |
| -48vdc |
7 |
7 |
white/brown |
 |
4 |
| GRD |
8 |
8 |
brown/white |
 |
4 |
