8-Pin Connector

8-PIN MODULAR CONNECTOR ON HANDSET, TERMINAL IDENTIFICATION

1 - Handset logic ground (-), blue (to terminal 23 on 25-pin connector)
2 - Regulated 9.6V (+), red (to terminal 8 on 25-pin connector)
3 - T-data communication line, purple (to terminal 11 on 25-pin connector)
4 - C-data communication line, orange (to terminal 12 on 25-pin connector)
5 - R-data communication line, yellow (to terminal 18 on 25-pin connector)
6 - Handset audio ground (-), brown (to terminal 24 on 25-pin connector)
7 - On/Off function, transmit audio, green, (to terminal 1 on 25-pin connector)
8 - Receive audio, white, (to terminal 6 on 25-pin connector)