Lucent Technologies MERLIN LEGEND Release 5.0 Maintenance And Troubleshooting Manual page 437

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting 555-650-140
Glossary
Flash ROM
foil shield
forced idle
foreign exchange
frame
framing format
frequency
generator
FRL
FX
Beginning with Release 3.0, a type of read-only
memory provided on the processor module, used
to supply system features.
Copper foil sheet (for power units) used to prevent
excessive noise on the module.
Condition of the system during certain programming
or maintenance procedures; system prevents initia-
tion of new calls.
See FX.
One of several segments of an analog or digital sig-
nal 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) ARS calling restriction
type that restricts outgoing calls to certain specified
routes.
(foreign exchange) Central office (CO) other than the
one that is providing local access to the public tele-
phone network.
.
Issue 1
June 1997
Page GL-19