Cisco 10008 - Manual (Page 28)

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Figure 21 Alarm Indicator Terminal Block Connections
Step 4 Connect one set of alarm indicator wires to the alarm terminal block as follows:
a. Connect one lead to the common (COM) terminal.
b. Connect the other lead to the normally closed (NC) or normally open (NO) terminal.
Caution Figure 21 shows the wiring configuration for normally open (NO) alarm relays. If you are wiring the router in series
with other equipment for the alarm indicators, use the normally closed (NC) terminals. If you are wiring the router
in parallel with other equipment for the alarm indicators, use the NO terminals.
Step 5 Repeat Step 3 and Step 4 for any remaining alarm indicators.
32694
MINOR
MAJOR
CRITICAL
ALARMS
50VA
SELV max
NC
COM
NO
NC
COM
NO
NC
COM
NO