AT&T MERLIN LEGEND Release 2.0 Equipment And Operations Manual page 277

Glossary
Queued Call
Console
RAM
robbed-bit
signaling
ROM
RS–232
SAA
SDN
SID
signaling
simplex
signaling
single-line
telephone
SMDR
SMDR printer
Software
Defined
Network
where they wait until a QCC is available to receive a call
(unlike the DLC where calls can ring on any of the line
buttons, and several calls can ring simultaneously).
See QCC.
(Random access memory) Computer memory in which an
individual byte or range of bytes can be addressed and
read or changed without affecting other parts of the
memory.
Signaling in which the least significant bit of every sixth
frame per channel is used for signaling in that channel.
(read-only memory) Computer memory that can be read but
cannot be changed.
A physical interface, specified by the EIA (Electronics
Industries Association), that transmits and receives
asynchronous data at speeds of up to 19.2 kbps over cable
distances of 50 feet.
(Supplemental alert adapter) A device that permits 48 VDC
alerting equipment to be connected to an analog multiline
telephone jack so that people working in noisy or remote
areas of a building can be alerted to incoming calls.
(Software Defined Network) An AT&T private networking
service created by specialized software within the public
network.
Station ID.
The sending of control and status information between
devices to set up, maintain, or take down a connection.
The transmission of signals in one direction only across a
telecommunications channel.
An industry-standard touch-tone or rotary telephone that
only handles one trunk and is connected to the
communications system via a jack on a basic telephone
module.
(Station Message Detail Recording) Captures detailed
usage information on incoming and outgoing voice and
data calls.
A printer used for Station Message Detail Recording
(SMDR) that is connected to the communications system via
an RS-232 jack on the processor.
See SDN.
Glossary GL-15