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Data Communications Solutions
Compact, Signal-Powered RS-232/485 Converters With Data Rates To 115,200 BPS
Dataforth's new LDM2485A/B Series of high speed, RS-232 to RS-485
interface converters turn PCs, terminals, and other RS-232 devices
into powerful RS-485 workstations. Both models conform to the EIA
RS-485 standard.
Operating
asynchronously over 2 or 4 wires, at data rates up to 115.2
kbps, these compact converters let RS-232 machines "talk" with up
to 50 addressable devices in a multipoint polling environment. Distances
of up to 5000 feet are possible at lower data rates.
And they feature 600W of built-in silicon avalanche diode surge
protection to keep critical applications up and running Five separate
configuration parameters
(carrier control, RTS/CTS delay, receive impedance, transmit-off impedance,
and echo) make it easy to fine tune the converters to demanding multipoint
applications.
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