Cti link – Lucent Technologies MERLIN LEGEND 6 User Manual

Page 432

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MERLIN LEGEND Communications System Release 6.0
System Manager’s Guide

555-660-118

Issue 1

February 1998

Glossary

Page GL-8

D

CSU

(channel service unit) Equipment used on customer
premises to provide

DS1 facility terminations and signaling

compatibility.

CTI link

(Computer Telephony Integration) link. A
hardware/software feature that is part of the PassageWay
Telephony Services application. It allows the use of Lucent
Technologies-certified software applications on a

LAN

running Novell NetWare software in a

Hybrid/PBX mode

system. These applications may provide special features
for client control of such calling activities as power dialing.
See also

screen pop.

cyclic redundancy
check

See

CRC.

D4 framing format

Framing format consisting of a sequence of individual
frames of 24 eight-

bit slots and one signal bit (193 bits) in a

12-frame superframe. See also

ESF.

Data-channel

See

D-channel.

data
communications
equipment

See

DCE.

data module

A type of

ISDN terminal adapter that acts as the DCE at a

data workstation that communicates over high-speed digital
facilities.

data rate

See

bps.

data station

Special type of extension where data communications take
place; includes

DTE and DCE; sometimes a telephone is

also part of a data station.

data terminal

An input/output device (often a personal computer) that can
be connected to the control unit via an interface.

data terminal
equipment

See

DTE and data terminal.

data workstation

Special type of extension where data communications take
place; includes

DTE and DCE; sometimes a telephone is

also part of a data workstation.

DCE

(data communications equipment) Equipment such as
modems or ISDN terminal adapters used to establish,
maintain, and terminate a connection between the system
and data terminal equipment (

DTE), such as printers,

personal computers, host computers, or network
workstations.

DCP

(Digital Communications Protocol) AT&T proprietary
protocol to transmit digitized voice and data over the same
communications link.

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