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DEFINITY Enterprise Communications Server Release 8.2
Upgrades and Additions for R8r
555-233-115
Issue 1
April 2000
Glossary and Abbreviations
GL-43
RMATS
Remote Maintenance, Administration, and Traffic System
RNX
Route-number index (private network office code)
ROM
See
read-only memory (ROM).
RPN
Routing-plan number
RS-232C
A physical interface specified by the Electronic Industries Association (EIA). RS-232C transmits
and receives asynchronous data at speeds of up to 19.2 kbps over cable distances of up to 50
feet.
RS-449
Recommended Standard 449
RSC
Regional Support Center
ROSE
See
Remote Operations Service Element (ROSE).
S
S1
The first logical signalling channel of DCP. The channel is used to provide signaling information for
DCP’s I1 channel.
S2
The second logical signaling channel of DCP. The channel is used to provide signaling information
for DCP’s I2 channel.
SABM
Set Asynchronous Balance Mode
SAC
Send All Calls
SAKI
See
sanity and control interface (SAKI).
sanity and control interface (SAKI)
A custom VLSI microchip located on each port circuit pack. The SAKI provides address
recognition, buffering, and synchronization between the angel and the five control time slots that
make up the control channel. The SAKI also scans and collects status information for the angel on
its port circuit pack and, when polled, transmits this information to the archangel.
SAT
System access terminal
SCC
1. See
single-carrier cabinet.
2. Serial communications controller