GAI-Tronics 12594-001 Redundant AZI Switching Module User Manual
Page 3
Pub. 42004-406A
Model 12594-001 Redundant AZI Switching Module
Page: 3 of 7
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The following is a summary of each connector and terminal block function(s):
J1 – Primary AZI Card (25-pin D-Sub)
J2 – Secondary AZI Card (25-pin D-Sub)
Pin No.
Function
Pin No.
Function
1 & 14
RS-485 Data
1 & 14
RS-485 Data
5 & 18
Audio line #1
5 & 18
Audio line #1
6 & 19
Audio line #2
6 & 19
Audio line #2
7 & 20
Audio line #2
7 & 20
Audio line #2
8 & 21
Audio line #4
8 & 21
Audio line #4
9 & 22
Audio line #5
9 & 22
Audio line #5
10 & 23
Audio line #6
10 & 23
Audio line #6
2-4, 11-13, 15-17,
24-25
Spare – No connection
2-4, 11-13, 15-17,
24-25
Spare – No connection
JTB1 – 12 V dc Power Input
JTB2 - 12 V dc Power Output
Terminal No.
Function
Terminal No.
Function
1
12 V (+)
1
12 V (+)
2
12 V (-)
2
12 V (-)
3 GND
JTB3 – Secondary RS-485 data line
JTB5 - Primary RS-485 data line
Terminal No.
Function
Terminal No.
Function
1
Data (-)
1
Data (+)
2
Data (+)
2
Data (-)