Instruction manual

MERLIN LEGEND Communications System Release 5.0
Installation
555-650-140
Issue 1
June 1997
Glossary
Page GL-31
PBX (private branch exchange) Local electronic tele-
phone switch that serves local stations (for example,
extensions within a business) and provides them
with access to the public network.
PC (personal computer)
PCMCIA memory
card
(Personal Computer Memory Card International
Association memory card) See memory card
.
personal line Central office trunk that terminates directly on one or
more telephones. In
Hybrid/PBX mode , a personal
line cannot be part of a trunk
pool . Also called “DFT”
(direct facility termination). Also refers to lines repre-
sented on line buttons in
Key Mode .
PFT (Power Failure Transfer) Feature that provides conti-
nuity of telephone service during a commercial
power failure by switching some of the system’s
trunk connections to telephones connected to spe-
cially designated extension jacks.
pool In
Hybrid/PBX mode , a group of outside trunks that
users can access with a Pool button or by dialing an
access code on an
SA button . Also used by the ARS
feature when choosing the least expensive route for
a call.
port See jack
. Also, refers to extension or line jacks
before these are numbered according to the
dial plan
during programming. The lowest jack on a module is
always Port 1.
Power Failure
Transfer
See PFT
.