Cisco 7513 AC PWR-7513-ACE= Manual De Usuario
Los códigos de productos
PWR-7513-ACE=
1200-Watt AC-Input Power Supply Replacement Instructions 11
Tools Required
•
The wrist strap only protects the board from ESD voltages on the body; ESD voltages on clothing
can still cause damage.
can still cause damage.
Warning
For safety, periodically check the resistance value of the antistatic strap. The measurement should
be between 1 and 10 megohms.
Tools Required
You need the following tools to install or replace a power supply:
•
A 1/4-inch flat-blade screwdriver and a number 2 phillips screwdriver.
•
Small wire cutter.
•
If the chassis is mounted in an equipment rack, and cables from other equipment fall in front of
the power supply bays, you will need cable ties to temporarily anchor the cables out of the way.
the power supply bays, you will need cable ties to temporarily anchor the cables out of the way.
•
If access to the power supply bays is partially blocked by a power strip or other permanent rack
fixture, you will need a 1/4-inch flat-blade screwdriver to temporarily detach the ears from the
equipment rack-mounting strips.
fixture, you will need a 1/4-inch flat-blade screwdriver to temporarily detach the ears from the
equipment rack-mounting strips.
•
ESD-preventive wrist strap.
Before beginning the power supply installation, check the installation screws on all power supplies
and check the area around the power supply bays to determine which tools you will need.
and check the area around the power supply bays to determine which tools you will need.
The new or replacement power supply and the power cable that you supply are the only parts you
need to complete this installation.
need to complete this installation.
If you remove a power supply and leave the bay empty, install a cover plate over the empty bay. The
chassis is shipped with a cover plate installed over the empty bay.
chassis is shipped with a cover plate installed over the empty bay.
Circuit Protection Requirements
Based on the NFPA 70 National Electrical Code, you should use a 35A overcurrent protector to meet
the requirement for the overcurrent protector size of 125 percent of the load current, which is
approximately 27A. An overcurrent protector rated for 30A can be used only if it has been listed by
the safety agency for operation at 100 percent of its rating.
the requirement for the overcurrent protector size of 125 percent of the load current, which is
approximately 27A. An overcurrent protector rated for 30A can be used only if it has been listed by
the safety agency for operation at 100 percent of its rating.
Removing and Replacing a Power Supply
The power supplies are located on the floor of the chassis under the card cage.
In addition to a large slotted screwdriver, you also need a pair of wire cutters for this procedure.
The following sections describe the procedures for removing an existing power supply and installing
a new one.
a new one.
Note
If cables from other equipment are in front of the bay, move them aside and temporarily
secure them with cable ties.
In systems with redundant power, you can install, remove, or replace one of the power supplies
without affecting system operation. When power is removed from one power supply, the redundant
power feature causes the second supply to power up to full power and to maintain uninterrupted
system operation.
without affecting system operation. When power is removed from one power supply, the redundant
power feature causes the second supply to power up to full power and to maintain uninterrupted
system operation.