Maintenance-Object Repair Procedures
555-233-143
8-1316 Issue 1 May 2002
c. Error Type 513: PPP link lost end-to-end connectivity.
1. Test for hardware problem (test port UUCSSpp long).
2. Run TDM Loop-around test (#1285), and refer to repair procedures
if there is a hardware problem.
If there is no hardware problem, the switch tries to re-establish PPP
link.
d. Error Type 769: Port received an invalid frame, which
■ is greater than the maximum length
■ contains CRC errors
■ violates the link level protocol.
1. Test the port (test port UUCSSpp long).
2. Refer to TDM Port Loop-around test (#1285) to verify repair.
3. Clear the alarm (test port UUCSSpp long clear).
e. Error Type 1281: System software received an indication that the far end
has requested a disconnect of a session on this link. This is a log-only
error.
f. Error Type 1537, 1538: Some or all port sessions (sockets) are down
1. Test the port (test port UUCSSpp short).
2. See ‘‘Session Status Test (#1286)’’ on page 8-1322 for repair
procedure to verify repair.
g. Error Type 1793-1920: system software received an indication that a
socket was closed due to an error. Error Type indicates the application
associated with this socket.
Aux Data indicates the internal application number.
If the switch indicates that: Then it:
Some of the sessions are down Raises off-board WARNING
Every session is down Raises off-board MINOR alarm
Error Type Application
1793 Unused
1794 DCS
1795 AUDIX
1796 CMS
1797 ISDN Gateway
1798–1920 Reserved for future
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