Required Tools And Equipment; Removing The Cover - Cisco 2500 Series Installing Manual

Required Tools and Equipment

Warning
see translated versions of this warning, refer to the Regulatory Compliance and Safety Information
document that accompanied the router.)
Required Tools and Equipment
You will need the following items:
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Removing the Cover

You must remove the chassis cover to access the internal power supply. When opening the chassis,
refer to Parts A and B in Figure 1.
Warning
with telephone-network voltages. (To see translated versions of this warning, refer to the Regulatory
Compliance and Safety Information document that accompanied the router.)
Warning
rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and
can cause serious burns or weld the metal object to the terminals. (To see translated versions of this
warning, refer to the Regulatory Compliance and Safety Information document that accompanied the
router.)
Warning
AC units; disconnect the power at the circuit breaker on DC units. (To see translated versions of this
warning, refer to the Regulatory Compliance and Safety Information document that accompanied the
router.)
Warning
activity. (To see translated versions of this warning, refer to the Regulatory Compliance and Safety
Information document that accompanied the router.)
Take the following steps to remove the chassis cover:
Step 1
Step 2
Step 3
2 Installing Cisco AC and DC Power Supplies in Cisco 2500 Series Routers
Read the installation instructions before you connect the system to its power source. (To
One screw
Cisco 2500 series router
AC or DC power supply
Medium-size flat-blade screwdriver
ESD-preventive wrist strap
Antistatic bag
Before opening the chassis, disconnect the telephone-network cables to avoid contact
Before working on equipment that is connected to power lines, remove jewelry (including
Before working on a chassis or working near power supplies, unplug the power cord on
Do not work on the system or connect or disconnect cables during periods of lightning
Power OFF the router.
Attach your ESD-preventive wrist strap.
Disconnect all cables from the rear panel of the router.