Cisco ESR10008 Hardware Installation Guide - Page 127

Alarm Terminal Block Connections, Step 5, Caution

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Chapter 5 Maintaining the Cisco 10008 Router Figure 5-37 Alarm Terminal Block Connections Connecting Alarm Indicators ALARMS 50VA SELV max NC COM MINOR NO NC COM MAJOR NO NC COM CRITICAL NO 32694 Step 5 Connect one set of alarm indicator wires to the alarm terminal block as follows: a. Connect one lead to the common (COM) terminal (Figure 5-37). b. Connect the other lead to the normally closed (NC) or normally open (NO) terminal. Caution Figure 5-37 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 6 Repeat steps 1 and 2 for any remaining alarm indicators. OL-0659-13 Cisco 10008 Router Hardware Installation Guide 5-35

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5-35
Cisco 10008 Router Hardware Installation Guide
OL-0659-13
Chapter 5
Maintaining the Cisco 10008 Router
Connecting Alarm Indicators
Figure 5-37
Alarm Terminal Block Connections
Step 5
Connect one set of alarm indicator wires to the alarm terminal block as follows:
a.
Connect one lead to the common (COM) terminal (
Figure 5-37
).
b.
Connect the other lead to the normally closed (NC) or normally open (NO) terminal.
Caution
Figure 5-37
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 6
Repeat steps 1 and 2 for any remaining alarm indicators.
32694
MINOR
MAJOR
CRITICAL
ALARMS
50VA
SELV max
NC
COM
NO
NC
COM
NO
NC
COM
NO