3Com CS/2500 Maintenance and Upgrades, 3Com recommends the following procedures for preventive

5 MAINTENANCE AND UPGRADES

This chapter describes how to perform maintenance procedures for your communications server.

Any user can perform these procedures:

■Cleaning the diskette drive (Model CS/2600 only)

■Replacing the fuse

Only qualified service personnel should perform these procedures:

■Replacing the diskette drive (Model CS/2600 only)

■

■

Replacing the power supply

Replacing memory chips and EPROMs

Maintenance	3Com recommends the following procedures for preventive
	maintenance:

■Observe the environmental requirements listed in Table 1-6 on

page 1-12. Temperatures outside the recommended range can impair reliability and cause diskette access errors.

■Keep the area around the server clean. Avoid accumulated dust, especially around the air intake slots.

For Model CS/2600 only:

■Handle the software distribution and working diskettes carefully. Always hold a diskette by its protective cover or by the label area; never touch the magnetic media, the metal clips at the edges, or the metal disk in the center.