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IP Office Installation
Installation Manual
Page 82
IP Office 2.1
40DHB0002USCL Issue 10c (11th May 2004)
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.
Содержание IP403 Office
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