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Chapter 3 Installation
Verifying Switch Operation
3-20
Catalyst 2955 Hardware Installation Guide
78-14944-03
Warning
An exposed wire lead from a DC-input power source can conduct harmful levels
of electricity. Be sure that no exposed portion of the DC-input power source
wire extends from the power and relay connector.
Statement 122
Figure 3-7 Inserting Wires in the Power and Relay Connector
1 Power supply A positive
connection
5 External device 2, relay wire B
connection
2 Power supply A return
connection
6 External device 1, relay wire B
connection
3 External device 1, relay wire A
connection
7 Power supply B return
connection
4 External device 2, relay wire A
connection
8 Power supply B positive
connection
97485
RT
A1
A2
VB
VA
A1
A2
RT
1
2
3
4
5
6
7
8