Nortel Meridian 1 Option 11C Manual page 69

LD 73 - SRNT prompt
Prompt Response
SRNT 1-(15)-1024
1-(3)-1024
Free run (non-tracking) mode
A maintenance threshold and an out of service threshold are set in LD 73 as
described below. See Figure 9 on page 69 for additional information.:
Description
Non-tracking slip rate maintenance and out-of-service
thresholds.
These are frame slip rate thresholds for the non-tracking
mode. The first value is the maintenance threshold in
seconds, the amount of time in which 10 slips occur
(default is 10 slips in 15 seconds). The second value is
the out-of-service threshold in seconds, the amount of
time in which 10 slips occur (default is 10 slips in three
seconds).
When these thresholds are reached, DTA messages are
output. Related DTA messages are described below.
See Figure 9.
DTA017:Frame slip --- free run (non-tracking) ---
maintenance limit.
DTA018:Frame slip --- free run (non-tracking) --- out of
service limit.
Figure 9
Frame slip non-tracking thresholds
DTA 017--maintenance thresholdA
warning message is printed
SRNT
1-(15)-1024
DTI/PRI Maintenance
1-(3)-1024
DTA 018--out-of-service threshold.The
PRI is taken out-of-service and red alarm
(local alarm) is raised.The Slip Rate
Improvement (SRIM and SRMM)
monitoring is invoked.
Option 11C
Page 69 of 100
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