ZETRON 025-9581M, Installation And Maintenance Manual

Page: 116 / 196

Installing the Station Transponder Units on Site
116 025-9581M
Figure 42: Typical Connections for Voice Audio over Radio
Note The COR input (J5-pin 1) is not used, it must be grounded. The
radio must share a common ground with the station transponder
unit(s).
IP
Interface
Board
Radio
Carrying
Voice
Audio
Model 6203
IP Station
Unit
Model 6204
IP Station
Unit
AUX RX "A"
AUX RX "B"
RX COR
TX Audio +
TX Audio -
PA Busy
PA Audio Comm A
PA Audio Comm B
RX COR
GND
GND
2
1
J5
11
9
8
7
4
3
2
J4
GND
PA Audio Comm A
PA Audio Comm B
1
11
9
J3
1
11
9
J3
Common
PA System
Input 2
Input 1
RX Audio
TX Audio
PTT In
P4
3
GND GND
AUX RX "B"
AUX RX "A"
8
7
2
1
J5
Handset PTT
HKSW
Off Hook
2
6
I P
N e t w o r k
GND
PTT Out
1
PTT
RX COR NC
11
9
8
7
4
3
2
J4
GND
XMIT PTT
TX Audio -
TX Audio +
XMIT PTT
PA Busy
GND