VeEX MPA, User Manual

Page: 461 / 842

Protocol Tabs
461
B2 (Line BIP-8, also known as a
Line Coding Violation - CV-L)
HP/LP-TC-REI (Tandem
Connection-Remote Error Indicator)
B3 (Path BIP-8, also known as an
STS Path Coding Violation - CV-P)
HP/LP-TC-OEI (Tandem
Connection-Outgoing Error Indicator)
MS-REI (Multiplex Section - Remote
Error Indication)
AU-NDF (Administrative Unit - New
Data Flag)
HP-REI (Higher-Order Path -
Remote Error Indication)
TU-NDF (Tributary Unit - New Data
Flag)
The following parameters are measured for the incoming errors:
Error count using an 11-digit format
Average error rate using an N.NNe-N format
Current error rate using an N.NNe-N format
•
Alarms - The system can monitor and report alarms and their duration on the
incoming SDH signal. The alarms are shown in duration of the alarm in seconds.
The following SDH alarms can be monitored:
LOS (Loss of Signal) HP-RDI (Higher-Order Path Remote
Defect Indicator)
Power Hot - See Power Hot Alarm
for details.
HP-TIM (Higher-Order Path Trace
Identifier Mismatch for the J1 byte)
Power Warm - See Power Warm
Alarm for details.
SS MISMATCH ( Signal Status bits
mismatch )
Power Low - See Power Low Alarm
for details.
TU-AIS (Tributary Unit - Alarm
Indication Signal)
Frequency Wide TU-LOP (Tributary Unit - Loss of
Pointer)
OPU Generic AIS (Unframed -
PRBS 11)
TU-LOM (Tributary Unit - Loss of
Multiframe Alignment)
LOF (Loss of Frame) LP-UNEQ (Lower-Order Path
Unequipped Payload)
MS-AIS (Multiplex Section Alarm LP-RDI (Lower-Order Path Remote
MPA_e_manual_D07-00-129P_RevA00