Nortel Networks NTRN10AN, 3500 manual Line

2-104Operation, administration, and maintenance (OAM) features

See Table 2-22for a list of performance monitoring parameter definitions. For a list of DS3 performance monitoring parameters supported on the DS3 circuit packs, see Table 2-23. For a list of DS1 performance monitoring parameters supported on the DS1 and DS3VTx12 circuit packs, see Table 2-24.

Table 2-22

Performance monitoring parameter definitions

Parameters		Definitions
Section
CV-S	Coding violations,	• SONET: Count of BIP-8 errors (B1) byte
	section
ES-S	Errored seconds,	• SONET: Count of one second intervals with
	section	BIP-8 errors (B1) >=1 or LOF >=1 or LOS >=1
SES-S	Severely errored	• SONET: Count of one second intervals with
	seconds, section	BIP=8 errors (B1) >=K (where K is 155 for OC-3,
		616 for OC-12, 2392 for OC-48, 8854 for
		OC-192) or SEF >=1 or LOS >=1
SEFS-S	Severely errored frame	• SONET: Count of one second intervals with any
	seconds, section	LOF >=1
Line
CV-L	Coding violations, line	• SONET: Count of BIP-8 errors (B2 byte)
		• DS1 / DS3x3 / DS3x12 / DS3x12e: Count of
		BPV + EXZ BPVs which are part of the B3ZS
		code are not counted, receive only
CV-LFE	Coding violations, line,	• SONET: Count of FEBE-L (Bits 2-8 of Z2 byte of
	far-end	STS-1 No. 3)
ES-L	Errored seconds, line	• SONET: Count of one second intervals with
		BIP-8 errors (B2) >=1 or AIS-L >=1
		• DS1 / DS3: Count of one second intervals with
		(BPV + EXZ) >=1 or LOS >=1, receive only
ES-LFE	Errored seconds, line,	• SONET: Count of one second intervals with
	far-end	FEBE-L >=1 or RDI-L >=1
		• DS1-ESF: Count of one second PRM intervals
		with LV=1 in the PRM, receive and transmit
SES-L	Severely errored	• SONET: Count of one second intervals with
	seconds, line	BIP-8 errors (B2) >=K (where K is 154 for OC-3,
		615 for OC-12, 2459 for OC48, 9835for
		OC-192) or AIS-L >=1
		• DS3: Count of one second intervals with (BPV +
		EXZ) >=44 or LOS >=1, receive only
		• DS1: Count of one second intervals with (BPV +
		EXZ) >=1544 or LOS >=1, receive only

OPTera Metro 3500 Multiservice Platform NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004