Motorola ASTRO 25 GTR 8000 User guide

Motorola GTR8000
Motorola

GTR8000
SystemConnectionsforExternally
InjectedPL

Motorola GTR8000
Motorola

GTR8000

Conventional Simulcast Option
Conventional

Simulcast

Option
ConventionalAnalogSimulcastCable

Simulcast Cable Close Up
Simulcast

Cable

Close

Up
ConventionalAnalogSimulcastCable

Rear of GTR8000
Rear

of

GTR8000

GTR8000SysConnector
l
T5750‐PinTe
l
co

GTR8000 Analog Simulcast Cable Assembly Signal/Pin Assignments
GTR 8000 Connections MUX - Audio/PTT Dist- Voter -1118 Connections
Pair 1 26
1
Line 2 RXAudio - Output Pair 2 27 Line 2 RXAudio - To Voter via MUX RX Audio Input -
Line 2 RXAudio + Output 2 Line 2 RXAudio + To Voter via MUX RX Audio Input +
Pair 3 28
3
Pair 4 29
4
Pair 5 30
5
Pair 6 31
6
Pair 7 32
Radio Chassis Ground N/A 7 System Ground from Radio To J4 Pin 1 on Spectracom 1118
Pair 8 33
8
General TX Data + (TX Audio) Input Pair 9 34 General TX Data + (TX Audio) From Convex 2241 via MUX TXAudio Output +
General TX Data - (TX Audio)
Input
9
General TX Data - (TX Audio)
From Convex 2241 via MUX TXAudio Output -
General
TX
Data
-
(TX
Audio)
Input
9
General
TX
Data
-
(TX
Audio)
From
Convex
2241
via
MUX
TX
Audio
Output
-
PL Signal + Input Pair 10 35 PL Signal + From Spectracom 1118 J4 Pin 6 CTCSS Output +
PL Signal - Input 10 PL Signal - From Spectracom 1118 J4 Pin 7 CTCSS Output -
Pair 11 36
11
Pair 12 37
12
Pair 13 38
13
Pair 14 39
14
Pair 15 40
External PTT Low Active Input 15 External PTT Low Active From Spectracom 1118 J4 Pin 9 Delayed PTT Output
Pair 16 41
16
Pair 17 42
17
Pair 18
43
Pair
18
43
18
Pair 19 44
19
Pair 20 45
20
Pair 21 46
21
Pair 22 47
22
Pair 23 48
23
Pair 24 49
24
Pair 25 50
25