Telecommunications Abbreviations and Acronyms

1. ORS
   Operations Readiness Solutions
2. ORSD
   Object Registration Service Daemon
3. ORU
   Office Repeater Unit
4. OS
   Origination Service
5. OS
   Outsvate
6. OS-OPAL
   Operations System for Opal Fiber Optic Networks
7. OS 2
   Operating System/2
8. OS/NE
   Operations Syttem To Network Element
9. OS/NMS
   Operation System/Network Management System
10. OS2
    Operating System/2
11. OSA
    Optical Society of America
12. OSA
    Operator System Access
13. OSA-A
    Operator System Ackess- Alternate Access
14. OSA-P
    Operator System Access- Principle Access
15. OSAC
    Operator Services Assistance Center
16. OSAC
    Osslin Centralization
17. OSAL
    Oam Servsces Access Layer
18. OSAP
    Object Specific Authorization Protocol
19. OSB
    Ouqput Signal Balance
20. OSBCM
    Operator Services Basic Call Model

Last updated: January 4, 2020 — Total entries: 16,704