ADTRAN SHDSL T1 specifications E1 Port Statistics Definitions, Statistic Framing Mode Definition

Table 4. Configuration Options List (Continued)

Category	Option		Setting	Default
E1 Options (E1 Mode Only)	Line Coding	1	= AMI	HDB3
		2	= HDB3
	Framing Mode	1	= Unframed	CCS
		2	= CCS
		3	= CCS w/CRC-4
	Idle Pattern	00h to FFh		FFh
	ISDN - PRA V3 (CCS or	1	= Disabled	Disabled
	CCS w/CRC-4 Mode Only)	2	= Enabled
Test options	Loopback Timeout	0	= Disabled	Disabled
		1 to 999 Minutes = Timeout
	BERT Pattern	1	= ALT	2e15 – 1
		2	+ 2047
		3	= 2e15 – 1
		4	= QRSS
	BERT Pattern Polarity	1	= Normal	Normal
		2	= Inverted

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 (SVS)	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 (UAV)	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

8 Issue 1, August 2003 61182210L1-5A