Telecommunications Glossary of terms used on this site
There are 233 entries in this glossary.| Term | Definition |
|---|---|
| OAMP |
Operations, Administration, Management and Provisioning |
| OC |
Optical Carrier |
| OC12 |
OC12, or OC-12 is an Optical Carrier transmission rate of 622 Mbps or Megabits per second for digital communications over Synchronous Optical Networking (SONET) fiber networks. Aliases (separate with |): OC-12
|
| OC3 |
OC3, or OC-3 is an Optical Carrier transmission rate of 155 Mbps or Megabits per second for digital communications over Synchronous Optical Networking (SONET) fiber networks. Aliases (separate with |): OC-3
|
| OC48 |
OC48, or OC-48 is an Optical Carrier transmission rate of 2.4 Gbps or Gigabits per second for digital communications over Synchronous Optical Networking (SONET) fiber networks. Aliases (separate with |): OC-48
|
| OSI |
Open Systems Interconnection or OSI model (OSI model) is a method of dividing a communications system into segments or layers, where each layer is a collection of related functions that offer services to the layer above it and receives services from the layer below. The OSI model consists of the following 7 layers; Physical Layer (Layer 1), Data Link Layer (Layer 2), Network Layer (Layer 3), Transport Layer (Layer 4), Session Layer (Layer 5), Presentation Layer (Layer 6) and Application Layer (Layer 7). Aliases (separate with |): Open Systems Interconnection
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| OTN |
Optical Transport Network |
| OVC |
Operator Virtual Connection |
| OXC |
An Optical Cross Connect, or OXC, is a network device which switches optical signals. Aliases (separate with |): Optical Cross Connect
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