Pub. 42004-406A
Model 12594-001 Redundant AZI Switching Module Page: 4 of 7
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04/08
JTB4 – Audio Outputs
JTB6 – Switching Control Inputs
Terminal No. Function
Terminal No. Function
1 & 2 Audio Line #6 1 Primary Control Line
3 & 4 Audio Line #5 2 Secondary Control Line
5 & 6 Audio Line #4
7 & 8 Audio Line #3
JTB7 – Relay Contact Output
9 & 10 Audio Line #2
Terminal No. Function
11 & 12 Audio Line #1 1 Normally Open
2 Common
3 Normally Closed
JTB8 – Primary Audio Output #6
JTB9 – Secondary Audio Output #6
Terminal No. Function
Terminal No. Function
1 Audio (+) 1 Audio (-)
2 Audio (-) 2 Audio (+)
