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9.3 External Device Control
The external equipment connected with the DEVICE CONT terminal of the Center Module can be controlled with C button
of All in One Headset or Order Taker Unit.
Center Module
CONNECTOR
2
ORDER INTERFACE
External operation
1
AUX MIC +
VDD: 5VDC
2
AUX MIC -
3
AUX MIC GND
R: 82 ohms or more
4
AUX MIC PTT
5
COM
To micro
computer
To control circuit
6
DEVICE CONTROL
Not active: 5V
Active: 0V
7
COM
8
N.C
PS2532L
V
CE
: 300V max
Ic: 150mA
Pc: 300mW