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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-12
F
extended
superframe format
See
ESF
.
extension An endpoint on the internal side of the communications
system. An extension can be a telephone with or without an
adjunct. Also called “station.” See also
data workstation.
extension jack An analog, digital, or
tip/ring
physical interface on a module
in the control unit for connecting a telephone or other
device to the system. Also called “station jack.”
extension
programming
Programming performed at an extension to customize
telephones for personal needs; users can program features
on buttons, set the telephone ringing pattern, and so on.
See also
centralized telephone programming
and
system
programming
.
facility Equipment (often a
line
/
trunk
) constituting a
telecommunications path between the system and the
telephone company central office (
CO
).
Facility Restriction
Level
See
FRL
.
factory setting Default state of a device or feature when an optional setting
is not programmed by the user or system manager.
fax (facsimile) Scanning and transmission of a graphic image
over a telecommunications facility, or the resulting
reproduced image, or the machine that does the scanning
and transmitting.
Fax Attendant
System
Fax handling and processing application available with
AUDIX Voice Power
.
FCC (Federal Communications Commission)
feature Function or service provided by the system.
feature code Code entered on a dialpad to activate a feature.
feature module Prior to Release 3.0, a circuit pack inserted into the
processor
module
, used to provide system features and
replaced when the system is upgraded.
Feature screen Display screen on MLX display telephones; provides quick
access to commonly used features.
ferrite core Attachment to the AC power cord and ground wire of the
carrier power supply for compliance with FCC, part 15
requirements.
Flash ROM Beginning with Release 3.0, a type of read-only memory
provided on the
processor
module
, used to supply system
features.
foil shield Copper foil sheet (for power units) used to prevent
excessive noise on the module.