Справочник Пользователя для AT&T System 85

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The basic features of the DEFINITY High Speed Link are:

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DCP operation up to 5,000 feet from the switch

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Super-twist LCD and three push-buttons for displaying status, setting options, controlling
tests, storing telephone numbers, originating and manually answering calls

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

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

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RS-366 ACU interface for originating data calls

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RS-232 AT command interface with autobaud for originating and disconnecting calls

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Test features for system fault isolation

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Non-volatile memory for storing an option profile and four telephone numbers

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Reset options for easy loading of default options

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Data inversion option for compatibility with older 64 kbps DCP data modules

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Automatic or manual answer option

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DTR lead ignore option for operation with terminals that normally interface with private
line DCE equipment

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DSR lead ON option for operation with terminals that normally interface with private line
DCE equipment

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Optional DTR lead activated dial feature for stored number dialing

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Permanent connection option for operation in private line applications

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Memory cartridge interface for firmware upgrades

The High Speed Link is administered and/or aliased as a Modular Processor Data Module
(MPDM). Routing, trunking and other administration considerations mirror those of the MPDM.
The uses of the High Speed Link are compatible with those of an MPDM.