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E78 Plus/ISDN Software
E78 Plus/ISDN Software
The E78 Plus/ISDN is a 3270 terminal emulation and file transfer package for micro-mainframe
connectivity. However, its use in remote applications was, until recently, limited because of low-
speed connections between locations. Now, used with any of the AT&T PC Platforms,
E78 Plus/ISDN provides full 3270 emulation with switched connections through the
AT&T DEFINITY Communications System using either DCP or ISDN-BRI at speeds of 64 kbps.
Applications
The E78 Plus/ISDN software can be used with DEFINITY G1, G2, G3, System 75, System 85,
and 5ESS switch. It is particularly useful for those PC users who wish to download large
amounts of data stored on central site mainframes to their desktop environment for processing
and/or storage. The high-speed connection permits a PC user to transfer a large file quickly from
a remote mainframe. Therefore, it is possible for users to download large quantities of data for
desktop processing and analysis on a daily basis.
Physical Description
The E78 Plus/ISDN provides a variety of transfer programs (for example, IRMAlink FT/TSO,
FT/CMS, and FT/3270) to quickly and safely transfer text and binary files. These programs offer
both menu and command-line operation in all major mainframe environments.
On the host side, an AT&T 3270C Data Module must reside between the cluster controller and
switch. The PC must be equipped with either PC/ISDN Platform (BRI) Release 1.0 or later
or
PC/PBX Platform (DCP) Release 3.01 or later software.
Capabilities
The E78 Plus/ISDN software can be used to perform the following activities:
High-speed (64 kbps) connectivity
Eliminate the need for costly remote controllers
Allow terminals to access applications on hosts that are not networked, thereby reducing
the number of terminals required
Transfer a large file quickly from a remote mainframe
Integrate with PC/PBX Connection to provide simultaneous voice and data connectivity.
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