Avaya IP Office Phone - Manual (Page 65)

Technical Data Port Pinouts - Page 65
IP Office Installation Manual Technical Data - Page 65
40DHB0002USCL – Issue 9 (28th October 2003) Port Pinouts
Audio Port (3.5mm Stereo Jack Socket)
Pin No. Description Signal
Direction
Common Common
Left Audio in – Left Channel Í
Left Right Common
Right Audio in – Right Channel Í
Expansion Port (RJ45 Socket)
Pin No. Description Signal Direction
1 Receive Data (Rx-B) Í
2 Receive Data (Rx-A) Í
3 Sync-B Î
4 Clock (Clk-B) Î
5 Clock (Clk-A) Î
6 Sync-A Î
7 Transmit Data (Tx-B) Î
8 Transmit Data (Tx-A) Î
Pin 1 Pin 8
Shield Connected to chassis Ground
External Control Port (3.5mm Stereo Jack Socket)
Pin No. Description
1 Circuit 1
2 Circuit 2
3 0 Volts (Ground/Chassis)
4 Not Connected
5 Not Connected
Control Circuit Information
Control Circuit 1 Pin 2 and Pin 3, ensure that Pin 2 is at a positive voltage with
respect to Pin 3.
Control Circuit 2 Pin 1 and Pin 3, ensure that Pin 1 is at a positive voltage with
respect to Pin 3.
Each circuit can be switched independently.
Switch Setting Information
ON Low resistance between Pins.
OFF High resistance between Pins.