ADTRAN 1225236L1, Установка и эксплуатация

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8 Issue 1, August 2003 61225236L1-5A
E1 Options (E1 Mode Only) Line Coding 1 = AMI
2 = HDB3 HDB3
Framing Mode 1 = Unframed
2 = CCS
3 = CCS w/CRC-4 CCS
Idle Pattern 00h to FFh FFh
ISDN - PRA V3 (CCS or
CCS w/CRC-4 Mode Only) 1 = Disabled
2 = Enabled Disabled
Test options Loopback Timeout 0 = Disabled
1 to 999 Minutes = Timeout Disabled
BERT Pattern 1 = ALT
2 + 2047
3 = 2e15 – 1
4 = QRSS 2e15 – 1
BERT Pattern Polarity 1 = Normal
2 = Inverted Normal
Inband Loopback Protocol 1 = PN127
2 = V.54
PN127
Inband Loopback Detection 1 = Disabled
2 = Enabled
Disabled
Table 4. Configuration Options List (Continued)
Category Option Setting Default
Table 5. E1 Port Statistics Definitions
Statistic Framing Mode Definition
Errored Seconds (ES) Unframed LOS condition or BPV’s > 0
CCS LOS or LOF condition, or if BPV’s > or FE’s > 0
CCS w/CRC-4 LOS, LOF, or LOMFA condition, or if FE’s > 0 or CRC-4
errors > 0
Severely Errored Seconds (SES) Unframed LOS condition
CCS LOS or LOF condition or if FE’s > 4
CCS w/CRC-4 LOS, LOF, or LOMFA condition, or if FE’s > 4 or CRC-4
errors
≥
300
Unavailable Seconds (UAS) N/A If 10 continuous SES’s, then UAS
If 10 continuous seconds with no SES’s, then no UAS
Code Violations Count (CVC) Unframed If BPV’s > 0
CCS If BPV’s > 0, or FE’s > 0
CCS w/CRC-4 If FE’s > 0 or CRC-4 errors > 0