![OTE VS 2001 Technical Handbook Download Page 23](http://html1.mh-extra.com/html/ote/vs-2001/vs-2001_technical-handbook_1658302023.webp)
VS 2001
Technical Handbook
List of acronyms
P/N: 779-0373/02
Revision 02
Marconi Proprietary information
Page xxiii
TERM OR
ABBREVIATION
MEANING
PRI
Primary Rate Interface
PRP
Programming Package
PSC
Power Supply Card
PSOS+
pS real time operating system
PSTN
Public Switched Telephone Network
PSU
Power Supply Unit
PTN
Private Telephone Network
PTT
Press To Talk
PUK
PIN Unblocking Key
PWR
Power
QS
Quasi Synchronous
R2
Register Trunk Signalling
RA
Rural Area
RAID
Redundant Array of Inexpensive Disks
RAM
Random Access Memory
RD
Read
RF
Radio Frequency
RFDT
Radio Frequency Dispatch Terminal
RM
Resource Manager
RPS
Replay Station or LAN switch Redundant Power System
RPS S/A
Stand Alone Replay Station
RSCN
Regional SCN
RSSI
Radio Signal Strength Indication
RU
Radio Unit (equivalent to MS)
RX
Receive/Receiver
SACCH
Slow Association Control Channel
SAF-TE
SCSI Accessed Fault – Tolerant Enclosures
SAGE
Security Algorithms Group of Experts
SAP
Service Access Point
SB
Synchronisation Burst
SC
Site Controller
SCbus
Signal Computing Bus
SCCH
Secondary Control Channel
SCH
Signalling Channel
SCK
Static Cipher key