3Com 3C63400-3AC-C - PathBuilder S700 Switch Reference Manual page 247

Viewing Statistics 233
DS1 UNI and E1 UNI Port/Link Physical Performance Statistics The DS1/E1
UNI Performance Monitoring screens display the following current, interval, or
total statistics:
ES—The number of errored seconds (ESs) encountered by the T1/E1 interface.
SES—The number of severely-errored seconds (SESs) encountered by the T1/E1
interface.
SEFS—The number of severely errored framing seconds (SEFSs) encountered by
the T1/E1 interface.
UAS—The number of unavailable seconds (UASs) encountered by the T1/E1
interface.
CSS—The number of controlled slip seconds (CSSs) encountered by the T1/E1
interface.
PCV—The number of path coding violations (PCVs) encountered by the T1/E1
interface.
LES—The number of line errored seconds (LESs) encountered by the T1/E1
interface.
BES—The number of bursty errored seconds (BESs) encountered by the T1/E1
interface.
DM—The number of degraded minutes (DM) encountered by the T1/E1 interface.
LCV—The number of line coding violations (LCVs) encountered by the T1/E1
interface.
You can view the statistics as current, interval, or total data.
DS1 UNI and E1 UNI Port/Link IMA Link Performance Statistics The DS1/E1
IMA Link Performance Monitoring screen lists the following statistics:
IMA Violation (IV-IMA)—Number of errored, invalid, or missing ICP cells.
NE Severe Errored Sec (SES-IMA)—Near end severely-errored seconds; the
number of seconds with IMA violation, LOS, AIS, OOF, LCD, LIF, LODS at the near
end.
FE Severe Errored Sec (SES-IMA-FE)—Far end severely-errored seconds; the
number of seconds with IMA violation, LOS, AIS, OOF, LCD, LIF, LODS at the far
end.
NE Unavailable Sec (UAS-IMA)—Near end unavailable seconds; the number of
unavailable seconds at the near end.
FE Unavailable Sec (UAS-IMA-FE)—Far end unavailable seconds; the number of
unavailable seconds at the far end.
NE Tx Unusable Sec (Tx-UUS-IMA)—Near end transmit unusable seconds; the
number of unusable seconds at the near end interworking Tx link state machine.
NE Rx Unusable Sec (Rx-UUS-IMA)—Near end receive unusable seconds; the
number of unusable seconds at the near end interworking Rx link state machine.
FE Tx Unusable Sec (Tx-UUS-IMA-FE)—Far end transmit unusable seconds; the
number of unusable seconds at the far end interworking Tx link state machine.
FE Rx Unusable Sec (Rx-UUS-IMA-FE)—Far end receive unusable seconds; the
number of unusable seconds at the far end interworking Rx link state machine.