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LTPH-UM-1031-03, Issue 3
Table 9. Acronyms Used on the DS1 Performance History Screens
Acronym
Description
CV-L
Code Violation - Line
Total BPV count.
(b)
ES-L
Errored Seconds - Line
Seconds with BPV ≥1.
SES-L
Severely Errored Seconds - Line
Seconds with BPV plus EXZ ≥1544 or LOS ≥1.
UAS-L
Unavailable Seconds - Line
Seconds with LOS ≥1.
CV-P
Code Violation - Path
Total count of SF frame bit (FB) errors or
CRC(ESF) errors.
(e)
ES-P
Errored Seconds - Path
Seconds with SEF
(SF) ≥1.
(a)
FE
(a) FE is a frame bit error.
(b) Line (L) refers to the AMI DS1 line used to transport the payload.
(c) Only displays on H4TU-R Performance History screens.
(d) Displays on the DS1 Current Statistics screens.
(e) Path (P) refers to the total framed payload being transported between two points.
(f) 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.
H4TU-C-319 List 1
Acronym
SES-P
UAS-P
PRM-NE
PRM-FE
B8ZSS
MSEC
(f)
, CRC (ESF), or
September 12, 2003
Monitoring System Activity and Performance
Description
Severely Errored Seconds - Path
Seconds with SES or CRC(ESF) ≥320 or
(SF) ≥8 (F
(a)
FE
T
Unavailable Seconds - Path
A second of unavailability based on SES-P or
AIS ≥1.
(c)
Performance Report Messaging - Near End
The PRM from CPE indicates errors, and the
signal received from the network at the
remote is error-free.
(c)
Performance Report Messaging - Far End
The PRM from the network indicates errors,
and the signal received from the CPE is
error-free.
(d)
B8ZS Errored Seconds
Seconds with B8ZS detection when AMI
option is active.
(d)
Monitored Seconds of the current
(15-minute/1-hour/1-day) screen.
+ F
).
S
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