DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Alarms, Errors, and Troubleshooting
5-51ATM Tips
5
2. If connections are being rejected, the
Last Cause Code
may give a clue
to why. The Cause Code (Table 5-7
below) indicating the error may be on
the PPN port even though the EPN port is the one misbehaving, and vice
versa.
Enter
show signaling cause
causecode
on the A500 console. Figure
5-30 shows the screen output for this command.
Figure 5-30. A500:show signaling cause 31
3. At the DEFINITY SAT type
display errors
and press
Enter.
Set the
Error List
to
errors
and
Category
to
PNC
on the input screen
(Figure 5-31
) and press Enter to display any Cause Codes (see Table 5-7
below) returned from the ATM network to a TN230X on the PPN (and to a
TN230X on an EPN). This is successful only if the links between the PPN
and the EPN remain up so that the message from the EPN is logged.
Refer to
‘‘ATM-BCH (ATM B-Channel Trunk)’’
in
Chapter 9
for detailed
information regarding Cause Codes for this Maintenance Object.
Connect
Messages
Setup
Messages
Release
Messages
These counters should be non-zero if the A500 is
handling Q.93B protocol layer messages sent by the PPN
and EPN. They may not increase during troubleshooting
unless calls are being made, since the PPN initially sets
up control connections to the PPN and then sets up talk
path connections as needed.
A500:show signaling cause 31
Cause 31: Normal, unspecified
