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Strata DK40 Programming Manual Spring 1999
IMDU Remote Maintenance Modem Subassembly—A subassembly installed on an
Option Interface Unit (PIOU or PIOUS) that allows the system to be connected
with a remote administration/maintenance terminal or DK Admin/personal
computer.
K5RCU Dual-Tone Multi-Frequency (DTMF) Receiver—An optional PCB installed on
the TMAU motherboard. The K5RCU3A must be installed to recognise Dual-
Tone Multi-Frequency (DTMF) tones generated by a standard telephone (or any
other device connected to a standard telephone circuit) and it is required for
Direct Inward System Access (DISA) and Automated Attendant (AA).
KKYS Modular add-on key or integrated circuit that installs onto the K5RCU to add
the auto attendant feature to the DK40.
KSTU3 The optional PCB provides four standard telephone circuits and it can only be
installed in the base unit. The KSTU3 supports the two-wire devices such as
standard telephones, Auto Attendant devices, voice mail machines, and
facsimile machines. The KSTU3 can also support an alternate Background
Music (BGM) source on circuit four.
LCD Liquid Crystal Display—The optional display on digital and electronic
telephones that displays calling information.
LCR Least Cost Routing.
LED Light Emitting Diode—Status indicators located on printed circuit boards
(PCBs), digital telephones, and electronic telephones.
LSI Large Scale Integration—Related to circuit design technology. Strata DK
system printed circuit boards (PCBs) use LSI circuit design.
MDF Main Distribution Frame—The wiring frame usually located in a switch room.
MDFB Door Phone Box—A peripheral two-way speaker box option.
MOH Music-on-Hold—Customer-supplied music or announcements can be sent to
parties on-hold on Exchange lines or the intercom.
OCA Off-hook Call Announce. There are two types: Handset OCA and Speaker
OCA.
OPS Off-premises Station.
PACU AC15 tie line unit—An optional PCB that provides the system with support for
four AC15 circuits.
Term Definition
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