Bay Technical Associates 529H - Manual (Page 58)

Telplex Model TX104M is an asynchronous statistical multiplexer with
built-in modem. Four individual communications channels are
multiplexed into a single dial-up or leased telephone line, cutting
phone line costs to a minimum. The TX104M features a V.22 bis
internal modem which provides reliable communication at speeds up
to 4800 bps. With V.42 bis protocol, the TX104M provides error
correction and Classes 2-4 data compression. Compatible with most
computers, printers, or peripherals, the TX104M ensures rapid
throughput, and offers a variety of user-programmable features in
order to meet your specific application requirements.
The BX2448 is a V.22 bis external modem which uses deal-up or
leased telephone lines and comes equipped with many 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
situation.
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.