Avaya 6211 Mode D'Emploi

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This section discusses the basic operational features of the HSL,
and describes the external indicators and connectors.

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The HSL provides the following features:

d

Super-twist Liquid Crystal Display (LCD) and three push-
button switches for displaying status, setting options,
controlling tests, storing telephone numbers, originating and
answering calls.

d

Two LEDs for power, incoming calls, data mode, test mode
and fault indications.

d

V.35 internally timed, synchronous data interface for 56 Kbps
half duplex operation, 56 Kbps full duplex operation, and 64
Kbps full duplex operation.

d

RS-366 Automatic Calling Unit (ACU) interface for originating
data calls.

d

RS-232 AT command interface for originating and
disconnecting data calls.

d

Test features for easy system fault isolation.

d

Non-volatile memory for option and telephone number
storage.

d

Reset options feature for easy loading of default options.

d

Automatic or manual answer option.

d

Data inversion option for compatibility with older 64 Kbps
Digital Communications Protocol (DCP) data modules.

d

A DTR lead IGNORE option and DSR lead ON option for
operation with terminals that normally interface with private
line DCE equipment.

d

An optional DTR lead activated dial feature for stored number
dialing.

d

An optional DTR HOTLINE dial feature.

d

A permanent connection option for operation in private line
applications.

d

Memory cartridge interface for firmware upgrades to support
new features.