Avaya S8700 Maintenance Manual page 270

Maintenance Object Repair Procedure
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
d. Error Type 769: Port received an invalid frame, which
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
If the switch indicates that:
Some of the sessions are down
Every session is down
1. Test the port (test port UUCSSpp short).
2. See
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.
Error Type
1793
1794
1795
1796
1797
1798–1920
Aux Data indicates the internal application number.
8-966 Issue 1 May 2002
if there is a hardware problem.
If there is no hardware problem, the switch tries to re-establish PPP
link.
is greater than the maximum length
contains CRC errors
violates the link level protocol.
''Session Status Test (#1286)'' on page 8-972
procedure to verify repair.
Application
Unused
DCS
AUDIX
CMS
ISDN Gateway
Reserved for future
Then it:
Raises off-board WARNING
Raises off-board MINOR alarm
for repair
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