Specifications

Maintaining the Router B-1

APPENDIX

Maintaining the Router

This appendix contains selected maintenance procedures you might need to perform on the

router as your internetworking needs change.

This appendix includes the following sections:

• Opening the Chassis

• Upgrading the DRAM SIMM

• Replacing the System-Code SIMMs

• Closing the Chassis

Additional maintenance procedures are available on the documentation CD that

accompanied the router.

Caution Before opening the chassis, be sure that you have discharged all static electricity

from your body and the power is OFF. Before performing any procedures described in this

appendix, review the section “Safety Recommendations” in the chapter “Preparing to

Install the Router.”

Warning Before working on a chassis or working near power supplies, unplug the power

cord on 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

publication.)