Nortel Meridian SuperNode SL-100 Reference Manual page 138

NCOS
Network Class Of Service
N - P
Network to Peripheral
OM
Operational Measurement
OOS
Out Of Service
PCDM
Packaged Core Digital Module
PCM
Pulse Code Modulation
PCP
Printed Circuit Pack
PDN
Primary Directory Number
PDU
Power Distribution Unit
PEC
See product engineering code.
PEPS
Peripheral Equipment Power Supply
PM
Peripheral Module
P - N
Peripheral to Network
PP
Peripheral Processor
product engineering code (PEC)
An eight-character unique identifier for each marketable hardware item
manufactured by Nortel Networks.
Meridian SuperNode MSL-100 Intelligent Peripheral Equipment (IPE) Reference Manual MSL14
List of terms 12-7