Ref: 03250431
Title: CS/1-Token Ring Error and Statistics
Date: 10/16/87

Copyright 3Com Corporation, 1991.  All rights reserved.

CS/1-TR self-test/boot errors:

"failed open SSB check code 0003-0002-0011"

    - Indicates token ring adapter cable was not attached

"panic: address error xxxxxx"

    - Indicates M1MMON FW of 1K or higher is not installed on MCPU board

"TRC/M failed static RAM ripple was 0201 s/b 0001"

    - Indicates a known TI chip-set bug involving initialization
failure.  Workaround by resetting box.   We hope to correct this
by having a future version of MCPU FW retry for you by resetting
the TRC/M up to three times if necessary.

CS1-TR statistics interpretation:

In addition to the standard serial line statistics, the CS/1-TR
software reports the following datalink errors:

Line Error:  duplicate frame, or code violation in token or data,
or frame check sequence (FCS) error

Burst Error:  absence of transitions for 2.5 bit times within a
frame

AR/FC Error:  the "up-stream" adapter was unable to set certain
bits correctly in a frame that it has copied

Lost Packet Error:  failed to receive the end of a frame it was
transmitting

Token Error:  Miscellaneous, including no token or frame within a
10ms window

Note that ring errors are counted only on the first detecting TR
adapter, thus providing easy fault isolation to either upstream
or downstream adapters and cabling.  Reference TI TMS Adapter
Chipset User's Guide, September 1985.

