Lucent Technologies MERLIN LEGEND Release 5.0 Maintenance And Troubleshooting Manual page 448

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting 555-650-140
Glossary
OPT
OPX
out-of-band
signaling
P
parity
PassageWay Direct
Connect Solution
pass-through
(off-premises telephone) Single-line telephone or
other tip/ring device connected to the system by an
008 OPT module in the control unit. Appears as an
inside extension to the system, but may be physically
located away from the system.
(off-premises extension)
Signaling that uses the same path as voice-fre-
quency transmission and in which the signaling is
outside the band used for voice frequencies.
The addition of a bit to a bit string so that the total
number of ones is odd or even; used to detect and
correct transmission errors.
Set of software applications to provide an interface
between a personal computer and the system: card-
file, telephone programming application, call log and
viewer, incoming call management, and identification
and applications manager.
Connection from the internal modem to an attached
IS II/IS III application on the system.
Issue 1
June 1997
Page GL-30