Toshiba dk14 GL-5, K4RCU3 KCDU KKYS KSTU2 LATA LCD LCR LDI LED LSI, MDF MDFB MOH NDTU NT-1 OCA

Glossary

K4RCU3 ~ OCA

Term Definition

K4RCU3

KCDU

KKYS

KSTU2

LATA

LCD

LCR

LDI

LED

LSI

MDF

MDFB

MOH

NDTU

NT-1

OCA

Dual-Tone Multi-Frequency (DTMF) Receiver/ABR Tone Detector Unit—An optional PCB installed on the TMAU motherboard. The K4RCU3A must be installed to recognize 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 DID. The K4RCU3A circuits are also used to detect busy tone for the Automatic Busy Redial (ABR) feature and must be installed to allow ABR to operate.

CO Line/Digital Telephone Interface Unit (DK40i)—The KCDU has two loop start CO line circuits and four digital telephone circuits. The KCDU digital telephone circuits can support all but one of the devices supported by either the PDKU or Base Unit integrated digital telephone circuits: digital telephones, PDIU-DIs/PDIU- D12s, PDIU-DSs, ADMs, DDCBs and RPCIs.

Modular add-on key or integrated circuit that installs onto the K4RCU3 to add the auto attendant feature to the DK40i.

The optional PCB provides four standard telephone circuits and it can only be installed in the base unit. The KSTU2 supports the two-wire devices such as standard telephones, Auto Attendant devices, voice mail machines, and facsimile machines. The KSTU2 can also support an alternate Background Music (BGM) source on circuit four.

Local Access and Transport Area.

Liquid Crystal Display—The optional display on digital and electronic telephones that displays calling information.

Least Cost Routing.

Long Distance Information.

Light Emitting Diode—Status indicators located on printed circuit boards (PCBs), digital telephones, and electronic telephones.

Large Scale Integration—Related to circuit design technology. Strata DK system printed circuit boards (PCBs) use LSI circuit design.

Main Distribution Frame—The wiring frame usually located in a phone closet.

Door Phone Box—A peripheral two-way speaker box option.

Music-on-Hold—Customer-supplied music or announcements can be sent to parties on-hold on CO lines or the intercom.

Toshiba 30-foot cable that connects the RDTU to the KSU.

Used in ISDN. Network Termination device that powers a U-interface ISDN line and enables multiple S/T ISDN devices to connect to it. The NT-1 must be UL-listed (U.S.) or CSA-certified (Canada).

Off-hook Call Announce. There are two types: Handset OCA and Speaker OCA.

Glossary

Strata DK Programming 5/99

GL-5