DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance for csi systems
1-126ATM Tips
1
Ensure that the fields have the values indicated below.
2. If connections are being rejected, the Last Cause Code may give a clue
to why. The Cause Code (Table 1-16 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
1-54 shows the screen output for this c ommand.
Figure 1-54. 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 1-55) and press Ent er to display any Cause Codes (see Table 1-16
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)’’ for detailed information
regarding Cause Cod es for this Maintenance Object.
Port
A1.2
(or the
port of
interest)
If this field is not configured for UNI signaling,
then the port was administered for no UNI signaling
(admin link command). Use the show signaling
summary command to verify that Signaling is UNI3.1.
Connect
Messages
Setup
Messages
Release
Messages
These counters should be non-zero if the A500 is
handling Q.93B protoc ol 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 connec tions to the PPN and then sets up talk
path connections as need ed.
A500:show signaling cause 31
Cause 31: Normal, unspecified