Toshiba Strata DK14 General Description Manual page 507

Term
FIFO First-In, First-Out.
Form of Payment – enables the front desk clerk to enter the form of payment (cash, check
FOP
or credit card) and amount and type of deposit paid using the FOP Tab screen
Electronic Door Phone/Lock Control Unit – supports optional door phones (MDFBs) and
HDCB provides door lock control. A peripheral hardware unit compatible with designated
electronic telephone circuits.
Electronic Direct Station Selection Console – facilitates the processing of heavy loads of
HDSS incoming calls. The HDSS console connects only to designated electronic telephone
circuits and is associated with electronic telephones.
External Speaker Box – provides paging speaker and/ or a background music speaker,
HESB
etc. It is a speaker/amplifier that is configured with the system.
Headset/Loud Ringing Bell Interface – connects a headset or external speaker box
HHEU (HESB) to the phone. It is a subassembly that fits inside a digital telephone or a
6500-series electronic telephone.
Integrated Services Digital Network – enables the exchange of digital information at each
end of the line without converting analog-to-digital signals. Connection speeds are faster
ISDN
and audio quality is superior. ISDN service requires service subscription from a telco with
ISDN equipment.
LATA Local Access and Transport Area.
Liquid Crystal Display – displays call information. It is supported by digital and electronic
LCD
telephones.
LCR Least Cost Routing.
Large Scale Integration – related to circuit design technology. Strata DK system printed
LSI
circuit boards (PCBs) use LSI circuit design.
MDF Main Distribution Frame – wiring frame usually located in a phone closet.
MDFB Door Phone Box – two-way speaker box.
Music-on-Hold – music (customer-supplied) or announcements sent to parties on-hold on
MOH
CO lines or the intercom.
Non-facility Associated Signaling – provides ISDN trunk groups beyond the 23 channels
NFAS
available with a single Primary Rate Interface.
ISDN Network Termination device – powers a U-interface ISDN line and enables multiple
NT-1 S/T ISDN devices to connect to it. The NT-1 must be UL-listed (U.S.) or CSA-certified
(Canada).
Open Architecture Interface – enables the computer to command the phone system to
OAI
answer, delay, switch, hold, etc., calls.
OCA Off-hook Call Announce. There are two types: Handset OCA and Speaker OCA.
OPS Off-premises Station.
Private Branch Exchange – industry-standard term that refers to a telephone switch,
PBX usually on-premises, which serves an individual company, and is connected to a public
telephone exchange through the Central Office (CO).
PC Personal Computer.
PCB Printed Circuit Board.
PDN Primary Directory Number.
Power Failure Transfer – automatically switches CO lines directly to a standard single-line
PFT
telephone and provides emergency service if commercial AC power fails.
PhDN Phantom Directory Number.
Primary Rate Interface – trunk interface to the ISDN network, which enables multiple use
of channels for DID, tie, FX, WATS, 800, etc. It supports multiple services and dynamic
PRI
channel allocation. PRI is the larger ISDN interface (via the RPTU) with 23B+D
transmission format. Channels are 64-kbps. Also see BRI.
PSAP Public Safety Answering Point – used for E911 calls.
Strata DK Feature Description 5/99
Definition
Glossary
FIFO ~ PSAP
353