E1 link error

[telmallah2006]

Hi Every one
I had 6 PRI2 links between cs1k SG and GSM switch.
I got a presist error on all links DTA301 on all loops.
at one moment all the links goes to disable status.
what could cause this problem? The Microwave link was tested with PCM tester with no single error.

 

[ryEngineer]

DTA301 say sleeping on the loop, its can couse from bad conector, to bad card or d-channel or clock not in sync (more often)

first check ur clock and ur CRC4 on the loop check the
LD 73
PRI2/LPTI
LOOP XX
parameters
if its ok
try to use without CRC4 use MFF
check the clock card

once i have sleeping on the loop and it was bad conector on the UTP panel.
so I use STP panel (support ground).

good luck


Rami Yacov
Taldor Communication LTD
RamiY@Taldor.co.il