Strata DK40 Programming Manual Spring 1999
GL-3
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).
EKT
Electronic Telephone.
Exchange
Local Exchange—The facility which houses switching equipment that provides
telephone service (Exchange lines, E & M tie lines, DDI lines, ISDN2,
ISDN30, etc.) for the immediate geographical area.
Exchange Line
A term used to define the Strata DK system hardware circuits that connect to
the Local Exchange network line pair. Each Exchange line, DDI and tie line
circuit is assigned an Exchange line number in system software.
HDCB
Electronic Door Phone/Lock Control Unit—A peripheral hardware unit
compatible with designated electronic telephone circuits that supports optional
door phones (MDFBs) and provides door lock control.
HDSS
Electronic Direct Station Selection Console—A device that helps facilitate the
processing of a heavy load of incoming calls. The HDSS console connects only
to designated electronic telephone circuits, and is associated with electronic
telephones.
HESB
External Speaker Box—A speaker/amplifier that can be configured with the
system to provide a variety of functions, such as a paging speaker and/or
Background Music (BGM) speaker.
HESC-65A
A cable used to connect an HHEU-equipped digital telephone or an HHEU-
equipped electronic telephone to the external speaker box (HESB) for the Loud
Ringing Bell feature.
HHEU
Headset/Loud Ringing Bell Interface—Subassembly that fits inside a digital
telephone or a 6500-series electronic telephone to allow a headset or an external
speaker box (HESB) to be connected to the telephone.
HVSU2
Subassembly that fits into a 6500-series electronic telephone enabling it to
receive Off-hook Call Announce (OCA) calls. The telephone must be
connected to an Electronic Telephone Interface Unit (PEKU) or a Standard
Telephone/Electronic Telephone Interface Unit (PESU) equipped with an Off-
hook Call Announce Subassembly (EOCU) to receive OCA, and must have
three-pair wiring.
Term
Definition
Содержание Strata AirLink DK40
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