Contacting Your 3Com Service Representative
To get technical help to solve installation and operation problems with the ATM
subsystem in a ONcore hub, call your local 3Com Customer Support center.
Depending on the phase in which the problem occurs, an 3Com service engineer will
ask you to write down all or parts of the information listed in the following sections.
Troubleshooting Phase 1 and Phase 2 Problems
To troubleshoot Phase 1 and Phase 2 problems, an 3Com service engineer needs the
following information:
Types and slot numbers of all modules installed in the hub, displayed by entering
the SHOW MODULE ALL VERBOSE command (if possible).
ONcore hub information configured using Distributed Management Module (DMM)
commands and displayed by entering the SHOW DEVICE, SHOW HUB, SHOW
MODULE ALL, and SHOW MODULE VERBOSE commands (if possible).
ONcore hub information configured using 6416SW commands and displayed by
entering the SHOW DEVICE, SHOW HUB (if DMM module not installed), SHOW
MODULE ALL, SHOW MODULE VERBOSE, and SHOW PORT ALL commands (if
possible).
Type and characteristics of each ATM device attached to the hub.
ON/OFF condition and color of the LEDs on each module installed in the hub.
Last 6416SW commands entered from the local console
Error log information uploaded to the host by entering the UPLOAD command. In
order to upload the error log, you must use a TFTP file server in IP over ATM or
LAN emulation mode. See the
ONcore Switching Hub/CELLplex 4000 ATM
Command Reference Guide
for more information.
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