Interpreting enhanced trace result on T1 channel

[brtim]

We have had intermittent problems on our Opt 11C with LOSFA errors and channels on the T being disabled. This afternoon I did an enhanced trace in LD 80 on channel 23 and happened to catch it just before it was disabled. I am having trouble figuring out what the information is telling me. Here's what it looked like:

ACTIVE TN 001 23
ORIG 001 23 DID RMBR 0 23
TERM NONE
TTR 000 0 00 04
DIAL 0 0 TTR 0
RCVR 52 SET 20
DIAL DN NONE
MAIN_PM READY
TALKSLOT NONE
EES_DATA:
NONE
QUEU DIAL
CALL ID 312 50

This same result printed out a second time 2 seconds later, and then 2 seconds after that the channel was disabled.

In all of the other calls I monitored, there was always a phone TN listed under ORIG, and the channel TN under TERM. Was the channel itself somehow trying to initiate a call? Am I looking at noise on a line that the switch is interpretting as an attempt to grab a channel?

Can anyone help me figure this out?
Thanks very much.

 

[Avaya911PLM]

ACTIVE TN 001 23
ORIG 001 23 DID RMBR 0 23 - This is where the call came in
TERM NONE - Never terminated anywhere
TTR 000 0 00 04 - TDS Assigned to receice DTMF
DIAL 0 0 TTR 0
RCVR 52 SET 20
DIAL DN NONE - No DTMF was received
MAIN_PM READY - It's waiting (hasn't timed out yet)
TALKSLOT NONE
EES_DATA:
NONE
QUEU DIAL
CALL ID 312 50

The rest really isn't important. If you are getting LOSFA, then you need to check you clocking. Too many slips will cause this, as well as a host of other things froma bad CSU to a Telco problem.

--
Fletch
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