| OCX |
Open Compact Exchange
|
| OD |
Origin-Destination
|
| ODBC |
Open Database Connectivity
|
| ODM |
Original Design Manufacturers
|
| ODSI |
Optical Domain Services Interface
|
| ODU |
Outdoor Unit
|
| OECD |
Organization for Economic Cooperation and Development
|
| OEM |
Original Equipment Manufacturer
|
| OEXC |
Opto-Electrical Cross-Connect
|
| OFC |
Optical Fiber Conference
|
| OFDM |
Orthogonal Frequency Division Multiplexing
|
| OFDM/A |
Orthogonal Frequency Division Multiple/Access
|
| OFDMA |
Orthogonal Frequency Division Multiple Access
|
| OFM |
Orthogonal Frequency Division Multiplexing
|
| OIF |
Optical Internetworking Forum
|
| OLA |
Optical Line Amplifier
|
| OLAP |
On-Line Analytical Processing
|
| OLI |
Optical Link Interface
|
| OLP |
Outer Loop Power Control
|
| OLT |
Optical Line Termination OR Optical Line Terminal
|
| OLTP |
On-Line Transaction Processing
|
| OMA |
Open Mobile Alliance
|
| OMA&P |
Operations, Administration, Maintenance and Provisioning
|
| OMC |
Operations Management Center
|
| OMG |
Object Management Group
|
| OMS |
Optical Multiplex Section
|
| OMS SW |
Optical Multiplex Section Switch
|
| OMSSPRING |
Optical Multiplex Section Shared Protection Ring
|
| OMTP |
Open Mobile Terminal Platform
|
| ONA |
Open Network Architecture
|
| ONE |
Optical Network Element
|
| ONI |
Optical Network Interface
|
| ONMS |
Optical Network-Management System
|
| ONT |
Optical Network Termination
|
| ONTAS |
Optical Network Test Access System
|
| ONU |
Optical Network Unit
|
| OOK |
On/Off Keying
|
| OP |
Optical Path
|
| OPE |
Operating Expense
|
| OpEx |
Operational Expenditure
|
| OpEx |
Operating Expenses
|
| OPS |
Operator Provisioning Station
|
| OPSK |
Quadrature Phase Shift Keying
|
| OPTIS |
Overlapped PAM Transmission with Interlocking Spectra
|
| OPXC |
Optical Path Cross-Connect
|
| ORAN |
Open Radio Access Network
|
| ORB |
Object Request Broker
|
| ORT |
Operational Readiness Test
|
| OS |
Operating System
|
| OSA |
Open Service Architecture
|