Nortel North American DMS-100 Instruction Manual page 642

TOPS MPX Token Ring LAN troubleshooting
09/21/91 13:06:56 DFIPD216I Ring adapter closed
––––––>
Message
Number
DFIPD230E
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Trouble locating and clearing procedures (continued)
0001
Return Code
Adapter Number
Explanation
Message:
Unable to open ring adapter interface
Meaning: The Adapter Support Interface cannot open the ring
adapter interface.
Action: Run the Adapter Diagnostics on this adapter. If the
diagnostics indicate the adapter functions correctly and the
message repeats, perform the following procedure:
1. Verify that the indicated adapter is installed and the
switches are set correctly. Correct any errors found.
2. Start the PC again.
3. Start the Ring Diagnostic.
4. If the same message occurs, try a different System
Diskette.
5. If the preceding action does not correct the problem,
record the variable data. Perform manual troubleshooting
procedures.
Variable Data:
1-621
(continued)