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Monitoring System Activity and Performance 152-402-145-02, Issue 2
16 June 16, 2000 H2TU-R-402
Table 5. Error Acronyms Used on the DS1 Performance History Screens
Error Acronym Description Error Acronym Description
ES-L Errored Seconds - Line
Seconds with BPV ≥ 1.
SES-P Severely errored seconds - Path
Seconds with SES or CRC(ESF) ≥ 320 or
FE
(d)
(SF) ≥ 8 (F
T
+ F
S
).
SES-L Severely errored seconds - Line
Seconds with BPV plus EXZ ≥ 1544 or
LOS ≥ 1.
UAS-P Unavailable seconds - Path
A second of unavailability based on SES-P
or AIS ≥ 1.
UAS-L Unavailable seconds - Line
Seconds with LOS ≥ 1.
PRM-NE
(a)
(a) Only appears on H2TU-R Performance History screens.
Performance Report Monitoring - Near End
The PRM from CPE indicates errors, and
the signal received from the network at the
remote is error-free.
CV-L Code Violation - Line
Total BPV count.
PRM-FE
(a)
Performance Report Monitoring - Far End
The PRM from the network indicates
errors, and the signal received from the
CPE is error-free.
PDVS-L Pulse Density Violation Seconds - Line
Seconds with excessive zeroes
(AMI = 16 zeroes, B8ZS = 8 zeroes).
B8ZSS
(b)
(b) Appears on the DS1 Current Statistics screens.
B8ZS Monitored Seconds
Seconds with B8ZS detection when AMI
option is active.
ES-P Errored Seconds - Path
Seconds with SEF
(c)
, CRC (ESF) or
FE
(d)
(SF) ≥ 1.
(c) Severely Errored Frame—Two or more frame bit errors occurring in a 0.75 ms interval for SF or a 3 ms interval for ESF.
(d) FE is a frame bit error.
MSEC
(b)
Monitored Seconds of the current
(15-minute/1-hour/1-day) screen.