User's Manual

C-5000 COMMUNICATION MANAGEMENT CONTROLLER
INSTALLATION MANUAL
Publication No. 150-041118 Page 4-25
Rev C Section 4 –Electrical Installation
May 2006
Pin - Signal Name
A - AUX AUDIO IN
This input will take audio from an external source unit and add to the normal
transceiver audio. Not used in normal installations.
B - AUX SIDETONE
This input will take alert tone audio from an external source and produce headset
sidetone. Not used in normal installations.
C - KEY
Bi-directional pin between the key loader and RT-5000.
D - CONTROL GND
This ground goes to the control head. Loss of this ground may disable the RT-
5000 or cause intermittent function.
E – RS-422 ANT TX H
This output is the active high sense serial data output and meets EIA RS-485
voltage levels. The data from this output controls the RT-5000 antenna.
F – RS-422 ANT TX L
This output is the active low sense serial data output and meets EIA RS-485
voltage levels. The data from this output controls the RT-5000 antenna.
G – RS-422 ANT RX L
This input is the active low sense serial data output and meets EIA RS-485
voltage levels. The data from this input comes from the RT-5000 antenna.
H – RS-422 ANT RX H
This input is the active high sense serial data output and meets EIA RS-485
voltage levels. The data from this input comes from the RT-5000 antenna.
J – RS-422 CTRL TX HI
This output is the active high sense serial data output, meets EIA RS-485 voltage
levels.
K – RS-422 CTRL TX LO
This output is the active low sense serial data output, meets EIA RS-485 voltage
levels.