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Reply To: BTS O&M LINK FAILURE

#46070
Patrick
Guest

is your BTS is directly connected on ET? (Not DN2 between BTS and BSC)

if it is that case:

check your ET quality signal
ZYMO:ET,108;

A perfect PCM is:

0 CRC
0 Slips
100% EFS local and remote

LIKE THIS:

PCM STATISTICS
PERMANENT MEASUREMENT

UNIT START TIME
ET-52 2006-11-06 00:00

DISTURBANCES:

DISTTYPE COUNTER LIMITS (MS)
10-50 50-200 200-1000 1000-

NOINSGN 0 0 0 0
FALOST 0 0 0 0
AIS 0 0 0 0
REMOTE 0 0 0 0

FRAME ALIGNMENT SIGNAL ERRORS:

COUNTER LIMITS (ERRORS/ 5 SEC)
1-39 40-79 80-159 160-

0 0 0 0

SLIPS:
POSITIVE NEGATIVE
0 0

CRC PERFORMANCE MONITORING:

TOTAL AVAIL UNAVAIL
TIME TIME TIME

LOCAL END 14:17:22 14:17:22 00:00:00
REMOTE END 14:17:22 14:17:22 00:00:00

(%) EFS ES SES DM

LOCAL END 100.00 0.00 0.00 0.00
REMOTE END 100.00 0.00 0.00 0.00