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152-388-100-02, Issue 2 Monitoring System Activity and Performance
H2TU-C-388 List 1 June 6, 2000 27
Table 9. Acronyms Used on the DS1 Performance History Screens
Error
Acronym
Description
Error
Acronym
Description
CV-L Code Violation - Line
Total BPV count.
SES-P Severely Errored Seconds - Path
Seconds with SES or CRC(ESF) ≥320 or
FE
(a)
(SF) ≥8 (F
T
+ F
S
).
(a) FE is a frame bit error.
ES-L
(b)
(b) Line refers to the AMI, DS1 line code used to transport the payload.
Errored Seconds - Line
Seconds with BPV ≥1.
UAS-P Unavailable Seconds - Path
A second of unavailability based on SES-P or AIS
≥1.
SES-L Severely Errored Seconds - Line
Seconds with BPV plus EXZ ≥1544.
PRM-NE
(c)
(c) Only appears on H2TU-R Performance History screens.
Performance Report Messaging - Near End
The PRM from CPE indicates errors, and the
signal received from the network at the remote is
error-free.
UAS-L Unavailable Seconds - Line
Seconds with LOS ≥1.
PRM-FE
(c)
Performance Report Messaging - Far End
The PRM from the network indicates errors, and
the signal received from the CPE is error-free.
CV-P Code Violation - Path
Total count of SF frame bit (FB) errors or ESF,
CRC errors.
B8ZSS
(d)
(d) Appears on the DS1 Current Statistics screens.
B8ZS Monitored Seconds
Seconds with B8ZS detection when AMI option
is active.
ES-P
(e)
(e) Path refers to the total framed payload being transported between two points.
Errored Seconds - Path
Seconds with SEF
(f)
, CRC (ESF) or
FE
(b)
(SF) ≥1.
(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.
MSEC
(d)
Monitored Seconds of the current (15 minute/1
hour/1 day) screen.