Cisco 7513 Series Mempertahankan - Halaman 3

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Halaman Cetak
Cisco 7513 Series Mempertahankan
Chapter 7
Maintaining Your Cisco 7513, Cisco 7513-MX, and Cisco 7576 Router
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Before working on a system that has an on/off switch, turn OFF the power and unplug the power cord.
Warning
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.
The procedure for installing power supplies in the Cisco 7513, Cisco 7513-MX, and Cisco 7576 is
Note
described in the
page
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.
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.
When stranded wiring is required, use approved wiring terminations, such as closed-loop or
Warning
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.
Use the following procedure to remove a power supply:
If you have two power supplies installed and one power supply has failed, turn off (O) the system power
Step 1
switch on the power supply you will remove.
AC-input power supply: Using a screwdriver, loosen the cable-retention clip on the power cable and
Step 2
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
"Connecting Power to Cisco 7513, Cisco 7513-MX, and Cisco 7576 DC-Input Power Supplies" section
on page
OL-5008-03 B0
Removing and Replacing the Cisco 7513, Cisco 7513-MX, and Cisco 7576 Chassis Cover Panels,
page 7-11
Removing and Replacing the Cisco 7513, Cisco 7513-MX, and Cisco 7576 Backplane Maintenance
Cover, page 7-13
Removing and Replacing the Chassis Interface in the Cisco 7513, Cisco 7513-MX, and Cisco 7576,
page 7-14
"Installing Cisco 7513, Cisco 7513-MX, and Cisco 7576 Power Supplies" section on
3-27.
3-29.) Then, with the power cable leads disconnected, proceed to Step 3.
Maintenance Procedures for the Cisco 7513, Cisco 7513-MX, and Cisco 7576
Cisco 7500 Series Installation and Configuration Guide
7-3