Table 5. E1 Port Statistics Definitions - ADTRAN SHDSL T1 Installation And Maintenance Practice

Category
E1 Options (E1 Mode Only)
Test options
Statistic
Errored Seconds (ES)
Severely Errored Seconds (SVS)
Unavailable Seconds (UAV)
Code Violations Count (CVC)
8
Table 4. Configuration Options List (Continued)
Option
Line Coding
Framing Mode
Idle Pattern
ISDN - PRA V3 (CCS or
CCS w/CRC-4 Mode Only)
Loopback Timeout
BERT Pattern
BERT Pattern Polarity

Table 5. E1 Port Statistics Definitions

Framing Mode
Unframed
CCS
CCS w/CRC-4
Unframed
CCS
CCS w/CRC-4
N/A
Unframed
CCS
CCS w/CRC-4
Issue 1, August 2003
Setting
1 = AMI
2 = HDB3
1 = Unframed
2 = CCS
3 = CCS w/CRC-4
00h to FFh
1 = Disabled
2 = Enabled
0 = Disabled
1 to 999 Minutes = Timeout
1 = ALT
2 + 2047
3 = 2e15 – 1
4 = QRSS
1 = Normal
2 = Inverted
Definition
LOS condition or BPV's > 0
LOS or LOF condition, or if BPV's > or FE's > 0
LOS, LOF, or LOMFA condition, or if FE's > 0 or CRC-4
errors > 0
LOS condition
LOS or LOF condition or if FE's > 4
LOS, LOF, or LOMFA condition, or if FE's > 4 or CRC-4
errors ≥ 300
If 10 continuous SES's, then UAS
If 10 continuous seconds with no SES's, then no UAS
If BPV's > 0
If BPV's > 0, or FE's > 0
If FE's > 0 or CRC-4 errors > 0
Default
HDB3
CCS
FFh
Disabled
Disabled
2e15 – 1
Normal
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