Features; Applications - AT&T Callmaster Series Reference Manual

Features

The basic features of the DEFINITY High Speed Link are:
DCP operation up to 5,000 feet from the switch
Super-twist LCD and three push-buttons for displaying status, setting options, controlling
tests, storing telephone numbers, originating and manually answering calls
Two LEDs for power, incoming calls, data mode, test mode and fault indications
V.35 internally timed, synchronous interface for 56 kbps half duplex operation, 56 kbps
full duplex operation, and 64 kbps full duplex operation
RS-366 ACU interface for originating data calls
RS-232 AT command interface with autobaud for originating and disconnecting calls
Test features for system fault isolation
Non-volatile memory for storing an option profile and four telephone numbers
Reset options for easy loading of default options
Data inversion option for compatibility with older 64 kbps DCP data modules
Automatic or manual answer option
DTR lead ignore option for operation with terminals that normally interface with private
line DCE equipment
DSR lead ON option for operation with terminals that normally interface with private line
DCE equipment
Optional DTR lead activated dial feature for stored number dialing
Permanent connection option for operation in private line applications
Memory cartridge interface for firmware upgrades

Applications

Administration
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.
DEFINITY High Speed Link
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