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Glossary
DKAdmin ~ DVSU
Strata DK Programming 5/99
GL-3
Glossary
DKAdmin Toshiba's customer database programming and upload/download software package
for Strata DK systems.
DKBackup Toshiba’s customer database upload/download software package for Strata DK
systems.
DKT Digital Telephone.
DKT2000 series Toshiba proprietary digital telephones consisting of four models: two 10-button
models with handsfree answerback and/or LCD display and two 20 button
telephones with speakerphone or a speakerphone with LCD display.
DKSU14A Strata DK14 Key Service Unit (KSU) with power supply. Equipped with two loop
start CO line circuits and four digital telephone circuits built-in. Includes external
page interface, MOH/BGM interface, power failure transfer and miscellaneous
relay control.
DKSUB280 or
DKSUB424
Base Cabinet—Unit that houses the Common Control Unit (RCTU), as well as six
universal slots for station, line, and option PCBs. The Base Cabinet also contains a
power supply that provides power for all of the stations and peripherals connected
to the base cabinet PCBs.
DKSUE280 or
DKSUE424
Expansion Cabinet—Optional unit that has six universal slots for station, line, and
option PCBs. The expansion cabinet has a power supply that furnishes power for all
of the stations and peripherals connected to the expansion cabinet PCBs. As many
as five expansion cabinets can be added to the system.
DKSUBI40 Strata DK40i Base Key Service Unit (KSU) with power supply and battery charger.
Equipped with eight digital telephone circuits built-in, and no CO line circuits.
Includes external page interface, MOH/BGM interface, power failure transfer and
miscellaneous relay control.
[DN] Directory Number.
DNIS Dialed Number Identification Service—Telephone number of called party is sent to
the Strata DK over incoming DID or tie lines. This feature is provided by some long
distance telephone companies.
DPFT Power Failure/Emergency Transfer Unit—An optional backup unit that provides
emergency service during power failures by automatically connecting up to eight
standard telephones to designated CO lines.
DSS Direct Station Selection—Feature which allows a telephone user (as well as a DSS
console and ADM user) to call another station with the touch of a flexible feature
button.
DTMF Dual-tone Multi-frequency—Push-button tone dialing.
DVSU A subassembly that equips a digital telephone with the capability to receive Speaker
Off-hook Call Announce (OCA) calls. DVSU is not required to receive Handset
OCA (HS-OCA).
Term Definition