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30 C4658M-C (6/10)
Figure 21 illustrates the wiring configuration for unsupervised alarm inputs.
Figure 21. Unsupervised Alarm Input Wiring
Alarm Connections
Figure 22 shows how to wire the video encoder to an alarm (refer to Table B on page 25 for the specific connector pin
assignments).
Figure 22. Connecting Alarms
NORMALLY CLOSED
UNUSED
INPUTS
MAY BE
SHORTED
NORMALLY OPEN
UNUSED
INPUTS
MUST BE LEFT
UNWIRED
NC
C NO A
1 A2 A3 A4
A1