BayTech LASERSHARE PS-MIO, Owner'S Manual

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advantageous features, such as MNP Class 5 data compression,
which enables data transmission at speeds to 4800 bps and, MNP
Classes 2 - 4 error correction. A wide selection of user-
programmable features allows you to customize the modem to your
own individual application.
500 SERIES MULTIPORT CONTROLLERS
Included in the 500 Series line of multiport controllers are units
intended for the following applications:
Port Expansion (A-Series): Allows a single serial port on a
computer to individually access up to 17 peripheral devices with full
duplex communication.
Single Port Contention (DQ-Series): Allows up to 17 terminals to
contend for a single port on a computer system.
Multiple Port Contention (B-Series): Allows either 6, 8 or 12
terminals to contend for either 3, 4 or 6 computer ports
respectively.
Networking (F-Series): Networks either 5 or 9 ports together, i.e.,
allows any port to connect to any other port on the multiport
controller. These also have host port control which allows a host
computer system to make and/or break any connection between
two ports on the multiport controller.
Broadcasting (G-Series): Will simultaneously broadcast whatever
data is received on the host port out to either 4 or 8 peripheral
devices while sending data from a single selected peripheral device
back to the host device. This unit is also capable of operating in a
port expansion mode such as the A-Series.
Auto T-Switch (T-Series): Allows a group of up to 6 terminals to
switch between two computer systems.
NOTE: All ports on the 500 Series are standard with EIA-232
ports.