Nortel Networks 700116 User Manual

Alteon Web Switch Hardware Installation Guide

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212779-A, December 2001

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Units in a closed or multi-unit rack assembly may have an operating ambient temperature 
higher than the ambient temperature of the room. The ambient temperature of an operating 
switch must not exceed 40

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C. If the operating ambient temperature cannot be lowered 

before this maximum is reached, turn off the switch and let it cool.

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It may be necessary to cool the room to a lower temperature or provide a fan for greater air 
circulation. Resolve the room’s cooling and circulation problems before turning the switch 
back on.

Symptoms 

All the Alteon switch LEDs stay on, and the command prompt does not appear on the console.

Cause 

The operating system may have been damaged.

Actions

Perform a serial upgrade of the Web switch software. See 

Symptoms 

The unit is unable to contact the TFTP server and download files. 

Cause 

There may be due a problem with the TFTP server, or the Web switch software may be dam-
aged.

Actions

If the software was damaged, perform a serial upgrade of the switch software. See 

.