Avaya IP Office Phone Audio Port 3.5mm Stereo Jack Socket, Expansion Port RJ45 Socket

Technical Data									Port Pinouts - Page 65
	Audio Port (3.5mm Stereo Jack Socket)
						Pin No.		Description		Signal
										Direction
						Common		Common
		Left Right Common				Left		Audio in – Left Channel		Í
						Right		Audio in – Right Channel		Í
	Expansion Port (RJ45 Socket)
						Pin No.		Description		Signal Direction
		Pin 1	Pin 8		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
						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.

IP Office Installation Manual	Technical Data - Page 65
40DHB0002USCL – Issue 9 (28th October 2003)	Port Pinouts