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GE Transportation Systems Global Signaling LLC GS12RII-V1 Manuel D’Utilisation

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Page de 33
COE Communications Engineering Document
Author:
Keith Gilbertson
Rev:
A
Date:
3/08/02
Pag
e:
19 
of
 33
  
GE
  TRANSPORTATION
  SYSTEMS
GLOBAL SIGNALING DIVISION
Title:
12RII FCC TECHNICAL MANUAL
J8 19-PIN CONTROL HEAD SIGNAL INTERFACE
J8-Pin
Signal
Description
Mating Connector
J
B+
13V output to control head, fused.
RCB
J8-1
M
Common
13V Return
RCB
J8-2
U
RS485-A
Serial Interface, differential current loop output
RCB
J8-3
S
RS485-B
Serial Interface, differential current loop output
RCB
J8-4
A
Mic.-Audio
Control Head 1 Mic audio input to radio
RCB
J8-5
V
Rec-Audio
Low level receive audio to control head 2
RCB
J8-6
F
I/O
I/O-1 ID signal to Control Head 2
RCB
J8-7
T
I/O
I/O-2 Master/Slave or Enable to Control Head 2
RCB
J8-8
K
Speaker +
Speaker output signal to Control Head 2
RCB
J8-9
L
Speaker -
Speaker output signal t Control Head 2
RCB
J8-10
N
N.C.
Not connected
RCB
J7-11
E
Shield
Serial Cable Shield (radio chassis)
RCB
J8-12