Cisco 10008 Hardware Installation Manual page 127

Chapter 5 Maintaining the Cisco 10008 Router
Figure 5-37
Connect one set of alarm indicator wires to the alarm terminal block as follows:
Step 5
Connect one lead to the common (COM) terminal
a.
b. Connect the other lead to the normally closed (NC) or normally open (NO) terminal.
Figure 5-37
Caution
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.
Repeat steps 1 and 2 for any remaining alarm indicators.
Step 6
OL-0659-13
Alarm Terminal Block Connections
shows the wiring configuration for normally open (NO) alarm relays. If you are wiring the
Connecting Alarm Indicators
ALARMS
50VA
SELV max
NC
COM MINOR
NO
NC
COM MAJOR
NO
NC
COM CRITICAL
NO
(Figure 5-37).
Cisco 10008 Router Hardware Installation Guide
5-35