GAI-Tronics ILD1000A Local Deskset User and Installation Manual - Manual (Page 16)

Installation ILD1000A Local Desk Set
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Terminal Strip Table
TS1
Terminal
Wire
Color
Function
1 Red The dc power positive (+) input
2 Orange RX audio
3 Yellow RX audio return
4 Shield TX audio return
5 Brown TX audio
6 White Monitor output (active low)
7 Green PTT output (active low)
8 Black The dc power negative (–) and surge/logic ground
N OTE : RX and TX audio return (from all desk sets) must be connected to ground (or return) at the base
station and NOT grounded at the desk set(s).
Local Desk Set to MCS 2000 Radio Connection Chart
TS1
Pin # Desk Set
Function Wire
Color Radio
Connector Pin #
Radio Function
1 DC+ power input Red 14 Switched B+ when radio is on
2 RX audio + Orange 11 RX audio
3 RX audio – Yellow 10 Ground
4 TX audio – Shield 10 Ground
5 TX audio + Brown 13 TX audio
6 monitor White 7 monitor
7 PTT Green 21 PTT
8 DC– power ground Black 10 Ground
N OTE :
All common ground connections should be made at the radio to prevent ground loops.
Figure 3. HLN6412 Connector Termination with
Internal Jumpers Connecting Pins 1–2 and Pins 4–9.