 |
 |
OH |
Off Hook |
  |
|
 |
OIM |
Operations Interface Module |
  |
|
|
OLEC |
Other Local Exchange Carrier |
|
|
|
OLNS |
Originating Line Number Screening |
|
|
|
OLP |
On Line Provisioning |
|
|
|
OLTS |
Optical Loss Test Set |
|
|
|
OM |
Operational Measurement |
|
|
|
OMC |
Optical Multi-Channel |
|
|
|
OMS |
Olympic Messaging System |
|
|
|
ONU |
Optical Network Unit |
|
|
|
OOA |
Out Of Area |
|
|
|
OOD |
Object Oriented Design |
|
|
|
OOF |
Out Of Frame |
|
|
|
OON |
Out Of Network |
|
|
|
OOS |
Out Of Service |
|
|
|
OOS |
Out Of Synchronization |
|
|
|
OOS |
Otm Overhead Signal |
|
|
|
OOS-AU |
Out Of Synchronization - Autonomous Unit |
|
|
|
OOS-AUMA |
Out Of Synchronization - Autonomous Unit - manual override |
|
|
|
OPN |
Outage Performance Monitoring |
|
|
|
OPS |
Optical Packet Switching |
|
|
|
OPS/INE |
Operations System/Intelligent Network Element |
|
|
|
OPX |
Off Premise Extension |
|
|
|
OQ |
Operator Qualification |
|
|
|
OR |
Office Regenerator |
|
|
|
ORB |
Office Repeater Bay |
|
|
|
OS |
Operations System |
|
|
|
OSI |
Open system interconnection |
|
|
|
OSM |
Optical Services Module |
|
|
|
OSP |
Online Service Provider |
|
|
|
OSP |
Outside Plant |
|
| Like Abbreviations.com? Why won't you tell a friend about us? |
