Nortel Networks OPTera Metro 3500 - Manual (Page 145)

Operation, administration, and maintenance (OAM) features 2-107
Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
SES-PFE Severely errored
seconds, path, far-end • SONET: Count of one second intervals with
FEBE-P >=2400 or RDI-P >=1
• DS1-ESF: Count of one second PRM intervals
with (G6=1 or SE=1) in the PRM or RAI signal,
receive and transmit
SEFS-PFE Severely errored
frame, path, far-end • SONET: Count of one second intervals with
FEBE-P >=2400 or RDI-P >=1
• DS1-ESF: Count of one second PRM intervals
with (G6=1 or SE-1) in the PRM or RAI signal
SAS-P Severely errored frame
/ alarm indication
signal (AIS) seconds,
path • DS3: Count of one second intervals with any
SEF >=1 or AIS >=1, receive and transmit
• DS1: Count of one second intervals with SEF
>=1 or AIS >=1, receive and transmit
SEFS-P Severely errored
frame, path • DS1-ESF: Count of one second PRM intervals
with SE bit=1 in the PRM, receive and transmit
ALS-P AIS / LOP seconds,
path • SONET: Count of one second intervals with
AIS-P >=1 or LOP-P >=1
ALS-PFE AIS / LOP seconds,
path, far-end • SONET: Count of one second intervals with
RDI-P >=1
UAS-P Unavailable seconds,
path • SONET: Count of the seconds during which the
STS Path was considered unavailable
• DS3x3 / DS3x12e: Count of the seconds during
which the STS Path was considered
unavailable, receive and transmit
• DS3x12: Count of the seconds during which the
STS Path was considered unavailable, transmit
only
• DS1: Count of the seconds during which the
STS Path was considered unavailable, receive
and transmit
UAS-PFE Unavailable seconds,
path, far-end • SONET, DS1-ESF: Count of the seconds during
which the STS Path was considered
unavailable, receive and transmit
Table 2-22 (continued)
Performance monitoring parameter definitions
Parameters Definitions