Glossary

data module

See ISDN 7500B Data Module.

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 (I/O) device (often a personal computer)

 

that can be connected to the control unit via an interface.

data terminal

See DTE and data terminal.

equipment

 

DCE

(data communications equipment) Equipment such as

 

modems or data modules 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.

D-channel

(Data-channel) 64-kbps channel that carries signaling

 

information or data on a PRI or 16-kpbs channel to carry

 

signaling information on BRI.

dedicated feature

The imprinted feature buttons on a multiline telephone:

buttons

Conf or Conference, Drop, Feature, HFAI (Hands Free

 

Answer on Intercom), Hold, Message, Mute or

 

Microphone, Recall, Speaker or Speakerphone, and

 

Transfer.

delay-dial start tie

See dial-repeating tie trunk

trunk

 

DFT

(direct facility termination) See personal line.

DHG

(data hunt group) Group of modem or 7500B data stations

 

that share a common access code. Calls are connected in

 

a round-robin fashion to the first available data station in

 

the group.

dial access

See feature code.

GL-10Maintenance and Troubleshooting

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AT&T 3.0 manual Dce, Dft, Dhg