User guide

Troubleshooting
3-2
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 (330 feet) for TX cabling
❑ Under 412 m (1331.56 feet) for half duplex FX cabling
Calling
Technical
Support
Provide Technical Support with the following information:
❑ Switch model and serial number
❑ Software version number
❑ Description of the problem
See Allied Telesyn’s website at www.alliedtelesyn.com for a list of
worldwide Allied Telesyn locations.