O
O A M : Operation, Administration and Maintenance
O / E : O p t i c a l / E l e c t r i c a l
O / E : O p t o e l e c t r o n i c s
O A : Optical Amplifier
O A : Outgoing Access
O A & M : Operation, Administration and Maintenance
O A A C : Optical Aerial Attached Cable
O A C S U : O f f - A i r - C a l l - S e t - U p
O A D M : Optical Add-Drop Multiplexer
O A M : Operation, Administration and Maintenance
O A M & P : Operation, Administration, Maintenance
and Provisioning
O A N : Optical Access Node
O A U : Operator Access Unit
O B C : On-Board Controller
O B P : On Board Processing
O B S : Optical Burst Switch
O B S : Outdoor Base Station (GSM)
O B U : On Board Unit
O C : Optical Carrier
O c a B : Outgoing Call Barrier
O C B : Outgoing Calls Barred
O C C : Operational Control Center
O - C D M A : Optical Code Division Multiple Access
O C H : Optical Channel
O C R : Optical Character Recognition
O C S : Oceanic Control System
O C S : Outgoing Call Services
O C T : Office Craft Terminal
O C U : Orderwire Control Unit
O D : Optical Density
O D A : Office Document Architecture
O D F : Optical Distribution Frame
O D I N : Optical Digital Integrated Network
O D L : Object Definition Language
O D P : Open Distributed Processing
O D P : Optical Distribution Point
O D U : Outdoor Unit
O / E : Optical to Electrical conversion
O E : Origin to End
O E I C : Optoelectronic Integrated Circuit
O E L R : Overall Echo Loudness Rating
O E M : Original Equipment Manufacturer
O F : Optical Fiber
O F A : Optical Fiber Amplifier
O F C : Finishing and Inspection Order
O F C : Optical Fiber, Conductive
O F C C C : Optical Fiber Cable Competence Center
O F C P : Optical Fiber, Conductive, Plenum
O F C R : Optical Fiber, Conductive, Riser
O F D M : Orthogonal Frequency Division Multiplexing
O F N : Optical Fiber, Nonconductive
O F N P : Optical Fiber, Nonconductive, Plenum
O F N R : Optical Fiber, Nonconductive, Riser
O F X : Open Financial Exchange
O H : O v e r H e a d
O H A : OverHead Access
O H I : OverHead Interface
O H R : OverHead Router
O I D : Object Identifier
O I F : Optical Interworking Forum
O I M : Operator Interface Module
O L C : Optical Loop Carrier
O L E : Object Linking and Embedding
O L O S : Output Loss Optical Signal
O L P : On-Line Provider
O L R : Overall Loudness Rating
O L S : On-line Service
O L T : Optical Line Terminal
O L T E : Optical Line Terminal Equipment
O L T P : On-Line Transaction Processing
O & M : Operation & Maintenance
O M A P : Operations & Maintenance Application Part
O M C : Operations and Maintenance Center
O M C - M : Operations and Maintenance Center – Mobile
O M C - R : Operations and Maintenance Center – Radio
O M C - S : Operations and Maintenance Center - Switching
O M G : Object Management Group
O M I : Open Microprocessor Initiative
O M L : Operations and Maintenance Link
O M M : Operations & Maintenance Module
O M P : Operations & Maintenance Processor
O M S : Operations & Maintenance System
O M S : Optical Multiplex Section
O M T : Object Modeling Technique
O M T : Operations & Maintenance Terminal
O M U X : Output Multiplexer
O N : Optical Network
O N A : Open Network Architecture
O N C : Open Network Computing
O N M S : Open Network Management Systems
O N P : Open Network Provision(ing)
O N T : Optical Network Termination
O N U : Optical Network Unit
O O : Object Oriented
O O D B : Object-Oriented DataBase
O O E : Organisation Outside ETSI
O O S : Out Of Service
O O U I : Object-Oriented User Interface
O P A C : Online Public Access Catalog
O P A L : Optical Access Line
O P C : Operator Position Center
O P E N : Optical Pan-European Network
O P E X : Operational Expenditures
O P G W : Optical Ground Wire
O P M O D E L : OPerations MODEL
O P S : Operator Position System
O P S : Optical Path Switch / Optical Protection System
O P S E C : Operations SECurity
O P X : Off-Premises eXtension
O R : Off-Route service
O R B : Object Request Broker
O R P T R : Optical RePeaTeR
O R T : Operation Readiness Test
O R X : Outdoor Receiver
O S : Operation System (TMN)
O S : Optical Section
O S A N : Optical Subscriber Access Node
O S C : Optical Supervisory Channel
O S D : On-Screen Display
O S D : Open Software Description
O S F : Operations Support Function
O S F / M O T I F : Open Software Foundation
OSI RM : OSI Reference Model
O S I : Open Systems Interconnection
O S I N E T : OSI NETwork
O S I T O P : Open Systems Interconnection Technical & Office Protocol
O S N C P : Optical Subnetwork Connection Protection
O S P : Open Service Platform
O S P : Online Service Provider
O S P F : Open Shortest Path First
O S R I : Originating Stations Routing Indicator
O S S : Operation Support System (TMN)
O S S N : Originating Stations Serial Number
O T D M : Optical Time Division Multiplexing
O T D R : Optical Time Domain Reflectometer
O T N : Optical Transport Network
O T P : One Time Password authentication
O T S : Optical Transmission System
O T X : Outdoor Transmitter
O V : Optical Video
O W : Order Wire
O X C : Optical Cross-Connect |
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发表于 2004-2-29 13:22