Nortel Networks 3500, NTRN10AN manual Path

Operation, administration, and maintenance (OAM) features 2-105

Table 2-22 (continued)

Performance monitoring parameter definitions

Parameters		Definitions
SES-LFE	Severely errored	• SONET: Count of one second intervals with
	seconds, line	FEBE-L >=K (where K is 154 for OC-3, 615 for
		OC-12, 2459 for OC-48, 9835 for OC-192) or
		RDI-L >= 1
UAS-L	Unavailable seconds,	• SONET: Count of the seconds during which the
UAS-LFE	line	Line was considered unavailable
	Unavailable seconds,
	Line, far-end
FC-L	Failure count, line	• SONET: Count of near-end line failure (AIS-L)
		events
FC-LFE	Failure count, line	• SONET: Count of far-end line failure (RFI-L)
	far-end	events
Path
CV-P	Coding violations, path	• SONET: Count of BIP-8 errors (B3 byte)
		• DS3x3 / DS3x12e: Count of P-bit parity errors
		C-bit application not supported, receive and
		transmit
		• DS3x12: Count of P-bit parity errors C-bit
		application not supported, transmit only
		• DS1-SF: Count of Frame synchronization bit
		errors (FE), receive and transmit
		• DS1-ESF: Count of CRC-errors, receive and
		transmit
CSS-P	Controlled slip	• DS1: Count of one second PRM intervals with
	seconds, path	LV=1 in the PRM, receive and transmit
CV-PFE	Coding violations,	• SONET: Count of FEBE-P (bits 1-4 in G1 byte)
	path, far-end	• DS1: ESF: 0, 1, 5, 10, 100, 319, or 333 based
		on G1-G6 bit value in the PRM, receive and
		transmit

Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004