Cisco Systems Catalyst 2955 Manual De Usuario
Chapter 4 Installation in a Hazardous Environment
Verifying Switch Operation
4-28
Catalyst 2955 Hardware Installation Guide
78-14944-03
Figure 4-11
Clasping the Ferrite
Attach the Power and Relay Connector to the Switch
Follow these steps to attach the power and relay connector to the front panel of
the switch.
the switch.
Warning
When you connect or disconnect the power and relay connector with power
applied, an electrical arc can occur. This could cause an explosion in
hazardous area installations. Be sure that power is removed from the switch
and alarm circuit. Be sure that power cannot be accidentally turned on or verify
that the area is nonhazardous before proceeding.
applied, an electrical arc can occur. This could cause an explosion in
hazardous area installations. Be sure that power is removed from the switch
and alarm circuit. Be sure that power cannot be accidentally turned on or verify
that the area is nonhazardous before proceeding.
Failure to securely tighten the power and relay connector captive screws can
result in an electrical arc if the connector is accidentally removed. Statement
1058
result in an electrical arc if the connector is accidentally removed. Statement
1058
104351
RT A1
A2
VB
VA
A1
A2
RT