297-1001-330 Standard 11.04 June 1998
Section
CHANRES
Description
Line/peripheral module connect attempts
Definition
The proportion of attempts to connect a PM speech path to or from a line
that is blocked. This index is a sort of average of the blocking rates
measured by TRAFFIC indices ORGPMBLK and TRMPMBLK. Index
LPMCHAN is applicable only to line traffic in DMS-100G switches.
Measurement list
LPMCHAN uses OFZ measurement TRMBLK (or SOTS STRMBLK in
International offices) plus the sum of LMD ORIGBLK over all
line-controlling PMs.
Normalizer
LPMCHAN is normalized per attempt as given by the sum of OFZ NORIG
plus OFZ TRMNWAT with their respective extension registers NORIG2 and
TRMNWAT2. In International offices, this index is normalized by the sum
of OTS NORG and SOTS STRMNWT (with their respective extension
registers).
Diagnostics
Verify OM group OFZ (TRMBLK) and group LMD (ORIGBLK). Check
whether blocking has come about because of maintenance conditions as
monitored under the PM P-side integrity index. Check PMOVLD for
overload conditions. Check log NET130.
7-46 SPMS PROVRES index descriptions 7-467-46
Basic index LPMCHAN
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