Telecom Abbreviations and Acronyms

1. X-Bar
   Crossbar telephone exchange
2. X-OFF
   Transmitter Off
3. X-ON
   Transmitter On
4. X25
   A Packet Switching Protocol
5. YPBX
   Ytelco Private Branch Exchange
6. PASSWD
   Password
7. execv
   Execute
8. h1
   Header 1
9. O-4
   Major
10. satt
    Satellite
11. T.O.
    Technical Order
12. ARINC 571
    Inertial Reference System
13. ARINC 594
    Ground Proximity Warning System
14. DMSTN
    Demonstration
15. INTC
    Intercept
16. R-Channel
    Random Access Channel
17. SUPSIS
    Supervisor
18. 4CC
    Four-Character Code
19. BKGND
    Background
20. A-SAR
    Advanced Synthetic Aperture Radar

Last updated: October 28, 2020 — Total entries: 29,509