TMDI card recovery from span problems - PBX Info :: Your Free PBX, PABX and Telephone Information Resource

telecom116 · 03-03-2005, 12:36 PM

One day this week the IXC we use had issues that caused their LD span that terminates on a TMDI card in our 11c to go into red alarm. However, as I have experienced before with TMDI cards, it did not recover after the span issues were fixed (card still showed red alarm), necessitating disabling and reenabling the card to bring it back into operation.

However, even though everything was working, the YELlow alarm LED was lit on the card. So, last night I tried to take the card down and force a reload in LD 96 to fix this. The alarm light went out, but all of my channels came up in LCKO. I was able to get the channels working only by disabling and reenabling all 24 individually.

The span has an external CSU on it, and Service restore and yellow alarm process are YES.

Is there anything I can do (short of replacing TMDIs with the old DTI/PRI card) to make these cards recover without intervention?

jack · 03-03-2005, 12:40 PM

Unforunatly not.

TMDI = EVIL

They are a poorly designed POS that will operate differently darn near every time you touch one.

Just for the sake of argument, can you post your ddb data (ld 73) ?

telecom116 · 03-03-2005, 03:33 PM

Basically, it appears to be set up at defaults:

REQ prt
TYPE ddb

CC0 2
PREF CC0 2
SREF CC0 9

TRSH 00
RALM 128
BIPC 2
LFAC 3
BIPV 3 2
SRTK 5 30
SRNT 15 3
LFAL 17 511
SRIM 1
SRMM 2
ICS

jack · 03-03-2005, 04:45 PM

Was the D-channel that you were having problems with recovering associated with loop 2 or 9?

telecom116 · 03-03-2005, 05:13 PM

There is no D-channel on either TMDI card; both are set up as DTI. My LD span is on card 2.

jack · 03-04-2005, 09:13 AM

Sorry about that D-ch. refference was thinking abouyt adifferent issue.

I'd be curious to know/see if the clocking actually switched over from 2 to 9 during the outage?

LD 60
SSCK 0

What do you get?

telecom116 · 03-04-2005, 11:51 AM

I can't seem to remember what the clock was doing during the outage.

ssck 0
ENBL
CLOCK ACTIVE
CLOCK CONTROLLER - LOCKED TO SLOT 2
PREF - 2
SREF - 9
AUTO SWREF CLK - ENBL
NO ERROR

IP DB PORT 1 DSBL
IP DB PORT 2 DSBL
IP DB PORT 3 DSBL
IP DB PORT 4 DSBL
CABINET CLK SRC: CC
.

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