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Chapter 3
Troubleshooting
This chapter provides information on how to detect and resolve problems with
your switch. This chapter includes the following sections:
How the Switch Reports Problems
Network Cabling Problems
Common Problems
Calling Technical Support
How the Switch Reports Problems
The LEDs indicate problems with the ports and power. See Table 1 on page 3
for a description of the switch LEDs.
Network Cabling Problems
If you have 100Base-TX (Fast Ethernet), some network problems may be
related to exceeding cabling distances. Refer to the standard IEEE 802.3u,
Clause 29.3.1.2 on Worst Case Path Delay Value. This document specifies
that the collision domain diameter must be within the following limits:
Under 100 m (328 ft) for TX cabling
Common Problems
This section lists common possible sources of error and actions required to
correct them.
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