Lucent Technologies MERLIN LEGEND Release 6.1 System Planning Manual page 558

MERLIN LEGENDCommunications System Release 6.1
System Planning 555-661-112
Glossary
frame
framing format
frequency
generator
FRL
FX
G
General Purpose
Adapter
glare
GPA
ground-start trunk
Group IV (G4) fax
machine
group
videoconferencing
system
H
Hands-Free
Answer on
Intercom
hands-free unit
headset
One of several segments of an analog or digital signal that
has a repetitive characteristic. For example, a DS1 frame
consists of a framing bit and 24 bytes, which equals 193
bits.
Pattern of frames used in transmissions.
See ring generator .
(Facility Restriction Level) Calling restriction type that
restricts calls to certain specified ARS and UDP routes.
(Foreign exchange) Central office ( CO ) other than the one
that is providing local access to the public telephone
network.
See GPA .
Condition that occurs when a user tries to call out on a
loop-start line at the same time that another call arrives on
the same line.
(General Purpose Adapter) Device that connects an analog
multiline telephone to optional equipment such as an
answering machine or a fax machine.
Trunk on which the communications system, after verifying
that the trunk is idle (no ground on tip lead), transmits a
request for service (puts ground on ring lead) to the
telephone company central office ( CO ).
A fax unit, offering 400 by 100 dots per inch (DPI) in fine
mode, that can operate at any speed for communication
with a Group III (G3) fax machine or another Group IV (G4)
fax machine.
A system application that allows face-to-face,
simultaneous video and voice communications between
groups and requires high-speed data transmission facilities.
See also desktop videoconferencing system.
See HFAI .
See HFU .
Lightweight earpiece and microphone used for hands-free
telephone operation.
Issue 1
August 1998
Page GL-14