Nortel North American DMS-100 Instruction Manual page 643

1-622 Trouble locating and clearing procedures (continued)
TOPS MPX Token Ring LAN troubleshooting
09/21/91 13:06:56 DFIPD230E Unable to open ring adapter interface
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Message
Number
DFIPD231E
297-8021-544 Standard 14.02 May 2001
0001
Return Code
Adapter Number
Explanation
Message:
Unable to close ring adapter interface
Meaning: The Adapter Support Interface code does not accept
the close command for the Ring Diagnostic.
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:
(continued)