NM
Network Management
NP
Network Protocol
....................................................................................................................................................................................................................................
O OAM&P
Operations, Administration, Maintenance and Provisioning
OC
Optical Carrier
OC-3c
Optical Carrier - level 3 concatenated
OFI
Optical Facility Interface
OFI-IP
Optical Facility Interface-Internet Protocol
OIU
Optical Interface Unit
OIU-IP
Optical Interface Unit-Internet Protocol
OOS
Out of Service
OPS
Originating Packet Switch
OSI
Open System Interface
OSS
Operation Support System
....................................................................................................................................................................................................................................
P PCT
Peripheral Control and Timing Link
....................................................................................................................................................................................................................................
235-200-118
Issue 3.02B, March 2007
Lucent Technologies
GLOSSARY
GL-7
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