Cisco Catalyst 2955 Hardware Installation Manual page 170
Cisco systems switch installation guide
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Also See for Catalyst 2955:
- Installation notes (12 pages) ,
- Configuration manual (710 pages) ,
- Command reference manual (686 pages)
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Wiring the External Alarm Device Relays
Figure 4-15
power and relay connector.
Figure 4-15
1
2
3
4
Catalyst 2955 Hardware Installation Guide
4-36
shows the completed wiring for two external alarm devices on a
Completed Connections for Two External Alarm Devices on the
Power and Relay Connector
1
2
Power supply A positive
connection
Power supply A return
connection
External device 1, relay wire A
connection
External device 2, relay wire A
connection
Chapter 4
Installation in a Hazardous Environment
3
4
5
6
7
8
5
External device 2, relay wire B
connection
6
External device 1, relay wire B
connection
7
Power supply B return
connection
8
Power supply B positive
connection
78-14944-03
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