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MERLIN LEGEND Communications System Release 6.0
System Manager’s Guide
555-660-118
Issue 1
February 1998
Glossary
Page GL-24
single-line
telephone
Industry-standard touch-tone or rotary-dial telephone that
handles one call at a time and is connected to the system
via an
extension jack
on a 012, 016, or 008 OPT module.
slot Position in a
carrier
for a module; numbered from 0.
SMDR (Station Message Detail Recording) Feature that captures
usage information on incoming and outgoing calls.
SMDR printer Printer used to produce SMDR reports. Connected to the
system via an RS-232 jack on the
processor
module
.
Software Defined
Network
See
SDN
.
special character Pause, Stop, or End-of-Dialing signal in a programmed
dialing sequence such as a speed dial number.
SPM (System Programming and Maintenance)
DOS
- or UNIX
System-based application for programming the system.
square key Configuration in
Key mode
operation in which all outside
lines appear on all telephones.
star configuration A
private network
arrangement where either three or more
communications systems are connected with one system
acting as the
hub system
. See also
series configuration
.
station See
extension
.
station jack See
extension jack
.
Station Message
Detail Recording
See
SMDR
.
Supplemental
Alert Adapter
See
SAA
.
switch See
communications system
.
Switched 56
service
DS1 Switched 56 Service is an end-to-end digital, 56-kbps,
full duplex, synchronous, circuit-switched service offering.
The service is offered by network service providers and by
some Local Exchange Carriers (LECs) as circuit-switched,
56-kbps service.T1-emulated tandem tie trunks in a private
network can be programmed for data.
switchhook flash Momentary (320 ms to 1 second) on-hook signal used as a
control; may be directed to the control unit
or to a
host
switch outside the system. Also called “Recall” or “timed
flash.”
switch identifier A number assigned to a
tandem trunk
in a
private network
.
It identifies the system connected to the far end of the
trunk. Switch identifiers are based on the type of system
and its distance from the system where the identifier is
assigned. See also
satellite system
and
non-satellite
system
.
synchronous data
transmission
Method of transmitting a continuous digital data stream in
which the transmission of each binary
bit
is synchronized
with a master clock. See also
asynchronous data
transmission
.