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5
M
AINTENANCE
AND
U
PGRADES
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.
CS2500BookFile : MaintenanceUpgrades Page 1 Thursday, December 11, 1997 10:44 AM