Nortel North American DMS-100 Instruction Manual page 602

TOPS MPX Token Ring LAN troubleshooting
Ring Diagnostic output error codes (166nn) (Sheet 2 of 2)
Error Code
16692
16693
16699
The Ring Diagnostic
Description
The Ring Diagnostic analyzes events on the ring and displays information
about the ring. The Ring Diagnostic determines if the ring works and
determines problems on the ring. The Ring Diagnostic only views events on
the ring attached to the terminal that runs the software. To view other Token
Rings, load the Ring Diagnostic on a terminal attached to the ring you want to
view.
The Ring Diagnostic output appears on the screen. The Ring Diagnostic can
send the data area messages to a printer. To use the print feature, a locally
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Trouble locating and clearing procedures (continued)
Meaning
Computer problem
The computer detects an error.
Transmit/receive test failure
General error
The diagnostics detect a failure during
initialization of the adapter.
Action
Use the test on the Reference diskette
to run the diagnostics on the
computer. Follow the instructions the
diagnostics provide.
Replace the adapter cable with a
spare working cable until the problem
is fixed.
Run the diagnostics again. If the
failure continues to occur, follow the
remove and replace procedures for
the TOPS MPX position. These
procedures are in the common
procedures section of this manual.
If the failure does not occur again, the
adapter cable is defective. Replace
the damaged cable.
Make sure the adapter is firmly seated
in the adapter slot.
Check the established configuration.
If necessary, run the automatic
configuration procedure.
Run the diagnostics again. If the
failure continues to occur, follow the
remove and replace procedures for
the TOPS MPX position. These
procedures are in the common
procedures section of this manual.
1-581
(continued)