Avaya MERLIN MAGIX Maintenance And Troubleshooting Manual page 284

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.
FCC
Federal Communications
Feature
Function or service provided by the system.
Feature Code
Code entered on a dialpad to activate a feature.
Feature Screen
Display screen on 4412D+, 4424D+, 4424LD+, and MLX display telephones;
provides quick access to commonly used features.
Flash ROM
Type of read-only memory provided on the
system features.
Foil Shield
Copper foil sheet (for power units), used to prevent excessive noise on the
module.
Forced Idle
Condition of the system during certain programming or maintenance procedures;
system prevents initiation of new calls.
Foreign Exchange
See FX.
Fractional-T1
A digital transmission facility consisting of at least one, and fewer than 24,
channels using robbed-bit signaling, and connecting a
toll office.
Commission.
Processor
Glossary
Module, used to supply
DS0
PBX and a Central Office or
GL-17