Removing And Replacing The Power Supply; Required Tools; C H A P T E R 5 Removal And Replacement Procedures - Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual
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Removing and Replacing the Power Supply
Following are guidelines for preventing ESD damage:
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Caution
For safety, periodically check the resistance value of the antistatic strap. The measurement should be
between 1 and 10 megohm (Mohm).
Removing and Replacing the Power Supply
This section describes how to remove and install power supplies for the Cisco 7600 series routers.
Note
In systems with redundant power supplies, you can replace the faulty supply while the system is
operating.
Required Tools
A flat-blade or number 2 Phillips-head screwdriver is required to perform these procedures.
Additionally, a wire cutter or scissors is necessary for cutting cable tie-wraps.
Clearance Guidelines
Use the following clearance guidelines when planning to install or remove power supplies at the rear of
the Cisco 7600 series routers:
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Cisco 7600 Series Router Installation Guide
5-2
Always use an ESD wrist or ankle strap and ensure that it makes good skin contact.
Connect the equipment end of the strap to an unfinished chassis surface.
When installing a component, use any available ejector levers or captive installation screws to
properly seat the bus connectors in the backplane or midplane. These devices prevent accidental
removal, provide proper grounding for the system, and help to ensure that bus connectors are
properly seated.
When removing a component, use any available ejector levers or captive installation screws to
release the bus connectors from the backplane or midplane.
Handle carriers by available handles or edges only; avoid touching the printed circuit boards or
connectors.
Place a removed component board-side-up on an antistatic surface or in a static shielding container.
If you plan to return the component to the factory, immediately place it in a static shielding
container.
Avoid contact between the printed circuit boards and clothing. The wrist strap only protects
components from ESD voltages on the body; ESD voltages on clothing can still cause damage.
Never attempt to remove the printed circuit board from the metal carrier.
Allow atleast 3 to 4 feet of clearance behind the rack for maintenance. If the rack is mobile, you can
push it back within one foot of a wall or cabinet for normal operation and pull it out when necessary
for maintenance (installing or replacing power supplies) on the Cisco 7606, Cisco 7606-S and
Cisco 7604 routers.
Chapter 5
Removal and Replacement Procedures
OL-4503-26
- Quick Links:
- Cisco 7606 Router
- Cisco 7606-S Router
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