OAM Operations, Administration, Management
OAM&P Operations, Administration,Maintenance and Provisioning
OC Optical Carrier
OC-1 Optical Carrier Signal-Level 1 (51.84 Mbps)
OC-3 Optical Carrier Signal-Level 3 (155.52 Mbps)
OC-9 Optical Carrier Signal-Level 9 (466.56 Mbps)
OC-12 Optical Carrier Signal-Level 12 (622.08 Mbps)
OC-18 Optical Carrier Signal-Level 18 (933.12 Mbps)
OC-24 Optical Carrier Signal-Level 24 (1.244 Gbps)
OC-36 Optical Carrier Signal-Level 36 (1.866 Gbps)
OC-48 Optical Carrier Signal-Level 48 (2.488 Gbps)
OC-96 Optical Carrier Signal-Level 96 (4.976 Gbps)
OC-192 Optical Carrier Signal-Level 192 (9.952 Gbps)
OC-256 Optical Carrier Signal-Level 256 (13.271 Gbps)
OCR Optical Character Recognition
OCUDP Office Channel Unit Data Port
ODBC Open Data Base Connectivity (Microsoft Corp.)
ODI Open Datalink Interface
ODS Operational Data Store
OEM Original Equipment Manufacturer
OFX Open Financial Exchange
OLAP On-Line Analytical Processing
OLE Object Linking and Embedding
OMA Object Management Architecture
OMAP Operations, Maintenance,Administration & Provisioning
OMC Operations and Maintenance Center
OMF Object Management Framework
OMG Object Management Group
OOP Object Oriented Programming
OPX Off Premises Extension
ORB Object Request Broker
OS Operating System
OS/2 Operating System/2 (IBM Corp.)
OSF Open Software Foundation
OSF Operations Systems Function
OSI Open Systems Interconnection
OSS Operations Support Systems
OTDR Optical Time Domain Reflectometry
