Glossary
Issue 2 December 1995
GL-9
DSU
See
data service unit.
DTE
See
data terminal equipment.
DTR
See
data terminal ready.
dual in-line package (DIP) switch
A very small switch, usually attached to a printed circuit card, in which there are only two settings:
on or off (or 0 or 1). DIP switches are used to configure the card in a semipermanent way.
E
electrostatic discharge (ESD)
Discharge of a static charge on a surface or body through a conductive path to ground. An ESD
can be damaging to integrated circuits.
enabled/disabled
The state of a hardware device that indicates whether the INTUITY system can use it. Devices
must be equipped before they can be enabled (made active). See also
equipped/unequip ped.
enhanced call transfer
An INTUITY AUDIX feature that allows compatible switches to transmit messages digitally over
the BX.25 (data) link. This feature is used for quick call transfers and requires a fully integrated
digital switch. Callers can only transfer to other extensions in the switch dial plan.
enhanced serial data interface
A software- and hardware-controlled method used to store data on magnetic peripherals.
equipped/unequipped
The state of a networking channel that indicates whether INTUITY software has recognized it.
Devices must be equipped before they can be enabled (made active). See also
enabled/dis-
abled.
error message
A message on the screen indicating that something is wrong and possibly suggesting how to cor-
rect it.
errors
Problems detected by the system during operation and recorded in the maintenance log. Errors
can produce an alarm if they exceed a threshold.
escape to attendant
An INTUITY AUDIX feature that allows a subscriber with the call answer feature to have a personal
attendant or operator administered to potentially pick up an unanswered call. A system-wide
extension could also be used to send callers to a live agent.
ESD
See
electrostatic discharge.
events
Informational messages about the system’s activities. For example, an event is logged when the
system is rebooted. Events may or may not be related to errors and alarms.
Содержание NEAX 2400
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Страница 70: ...6 10 Issue 2 December 1995 Administering the INTUITY System for the NEAX Integration ...
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