Cisco Systems 7500 Series Manual De Usuario
7-3
Cisco 7500 Series Installation and Configuration Guide
OL-5008-03 B0
Chapter 7 Maintaining Your Cisco 7513, Cisco 7513-MX, and Cisco 7576 Router
Maintenance Procedures for the Cisco 7513, Cisco 7513-MX, and Cisco 7576
•
Removing and Replacing the Cisco 7513, Cisco 7513-MX, and Cisco 7576 Chassis Cover Panels,
page 7-11
page 7-11
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Warning
Before working on a system that has an on/off switch, turn OFF the power and unplug the power cord.
Removing Cisco 7513, Cisco 7513-MX, and Cisco 7576 Power Supplies
This section describes the procedure for removing a power supply from the Cisco 7513, Cisco 7513-MX,
and Cisco 7576.
and Cisco 7576.
Note
The procedure for installing power supplies in the Cisco 7513, Cisco 7513-MX, and Cisco 7576 is
described in the
described in the
Redundant power supplies support online insertion and removal (OIR); if you remove one power supply,
the second supply immediately ramps up to supply full power to the system to maintain uninterrupted
operation.
the second supply immediately ramps up to supply full power to the system to maintain uninterrupted
operation.
If you have only one power supply in your Cisco 7513, Cisco 7513-MX, or Cisco 7576, you must turn
off power before removing and replacing it. Always install a filler plate over an empty power supply bay
to protect the connectors from contamination.
off power before removing and replacing it. Always install a filler plate over an empty power supply bay
to protect the connectors from contamination.
Warning
When stranded wiring is required, use approved wiring terminations, such as closed-loop or
spade-type with upturned lugs. These terminations should be the appropriate size for the wires and
should clamp both the insulation and the conductor.
spade-type with upturned lugs. These terminations should be the appropriate size for the wires and
should clamp both the insulation and the conductor.
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
To ensure that all power is OFF, locate the circuit breaker on the panel board that services the DC
circuit, switch the circuit breaker to the OFF position, and tape the switch handle of the circuit
breaker in the OFF position.
To ensure that all power is OFF, locate the circuit breaker on the panel board that services the DC
circuit, switch the circuit breaker to the OFF position, and tape the switch handle of the circuit
breaker in the OFF position.
Use the following procedure to remove a power supply:
Step 1
If you have two power supplies installed and one power supply has failed, turn off (O) the system power
switch on the power supply you will remove.
switch on the power supply you will remove.
Step 2
AC-input power supply: Using a screwdriver, loosen the cable-retention clip on the power cable and
unplug the power cable from the AC receptacle.
unplug the power cable from the AC receptacle.
DC-input power supply: Disconnect the power cable leads from a DC-input power supply. (See the