Figure 14. Performance Data Definitions - Hdsl4 Loop Related Screen; Figure 15. Performance Data Definitions - Ds1 And Dsx-1 Path Related Screen - ADTRAN 220 HDSL4 Installation And Maintenance Practice

Abbreviations used in the Performance History
screens are defined in Data Definitions screens.
(See Figure 14 and Figure 15.)
Circuit ID:
H4TUC, H4TUR, and H4R LOOP Related:
ES-L Errored Seconds
SES-L Severely Errored Seconds
UAS-L Unavailable Seconds
DS1 and DSX-1 Line Related:
ES-L Errored Seconds
SES-L Severely Errored Seconds
LOSS-L Loss of Signal Seconds
PDVS-L Pulse Density Violation Secs
B8ZS-L B8ZS Seconds
CV-L Code Violation Count
NOTE: Reverse video indicates invalid data due to a terminal restart (or power
cycle), a data register reset, or a system date or time change.
N. Next
P. Previous
Figure 14. Performance Data Definitions – HDSL4 Loop Related Screen
Circuit ID:
DS1 and DSX-1 Path Related:
ES-P Errored Seconds
SES-P Severely Errored Seconds
UAS-P Unavailable Seconds
SAS-P SEF/AIS Seconds
ES-PFE Far End Errored Seconds
CV-P Code Violation Count
NOTE: Under a UAS-P condition, ES-P and SES-P counts are inhibited.
Under a SES-L or SES-P condition, the respective CV-L or CV-P count is
inhibited.
P. Previous
Figure 15. Performance Data Definitions – DS1 and DSX-1 Path Related Screen
12
Performance Data Definitions
HDSL4 Framing
CRC>=1 or LOSW>=1
CRC>=50 or LOSW>=1
>10 cont. SES-Ls
Superframe and Extended Superframe
(BPV+EXZ)>=1 or LOS>= 1
(BPV+EXZ)>=1544 or LOS>=1
LOS>= 1
EXZ>=1; >7 zeros if B8ZS, >15 if AMI
B8ZS coded signal received
(BPV+EXZ) count
Selection:
Performance Data Definitions
Superframe
FE>=1 or
SEF>=1 or AIS>=1
FE>=8 or
SEF>=1 or AIS>=1
>10 cont. SES-Ps
SEF>=1 or AIS>=1
n/a
FE count
Selection:
04/17/02 05:06:23
04/17/02 05:07:05
Extended Superframe
CRC>=1 or
SEF>=1 or AIS>=1
CRC>=320 or
SEF>=1 or AIS>=1
>10 cont. SES-Ps
SEF>=1 or AIS>=1
PRM bits G1-G6,SE,
or SL=1, or RAI
CRC error count
61222401L1-5C