User's Manual

C-5000 COMMUNICATION MANAGEMENT CONTROLLER
INSTALLATION MANUAL
Publication No. 150-041118 Page 4-19
Rev C Section 4 –Electrical Installation
May 2006
Pin(s) - Signal Name
10 – SPARE
Spare pin.
11 - MIC LO/PTT OUT
Low side of the microphone audio that connects to the RT-5000 input pin MIC
LO/PTT IN (pin Z). This pin floats during receive mode and goes to ground when
a transmit condition occurs. Audio on this pin along with MIC HI is the voice
audio used to modulate the RT-5000.
12 - SPARE
Spare output pin.
13 - VOICE AUDIO HI IN
Input pin that gets voice bandwidth receive audio from the RT-5000. This pin
must be connected to the RT-5000 AUDIO HI output (pin j).
14 – CIPHER /
PLAIN
Normally internally pulled high output pin able to sink 30mA to ground. Used to
set the mode of an external encryption device. Pins 14 and 16 provide for control
of devices that have different polarities for the mode set function. This pin is not
used in RT-5000 systems.
15 – SPARE
Spare Pin.
16 – PLAIN /
CIPHER
Normally internally pulled high output pin able to sink 30mA to ground. Used to
set the mode of an external encryption device. Pins 16 and 14 provide for control
of devices that have different polarities for the mode set function. This pin is not
used in RT-5000 systems.
17 - TAKE CONTROL
If this input pin is grounded, the Serial control lines will be tri-stated. This allows
for control of the RT-5000 by another C-5000.