LDM35

All prices exclude VAT at current rate.
Minimum order value - £50 (exc. VAT and delivery).
Free delivery of the LDM35 to UK Mainland on orders over £150 (exc. VAT and delivery) when purchasing online - excludes Northern Ireland, Isle of Man, Isle of Wight, Scottish Islands and the Channel Islands.

* Lead time is indicative and is subject to change at time of ordering. Next business day delivery on in-stock products only (when ordered before 3pm).
** Contact us for quantity or project pricing.
† Additional delivery charge may be incurred for certain postcodes (calculated at checkout)

LDM35 overview

Industry leading RS-232 serial line driver from Dataforth
Ideal for connecting RS-232 devices across long distances
Offers protection for your serial devices against power spikes and surges
Common mode isolation up to 500V DC surge
For data transmission up to 12 miles (20km)
Full data control lines including RTS, CTS, DTR, DSR
Full 4-wire duplex or 2-wire simplex mode available
Available with a pinned male DB25 connector (LDM35-P) or a socketed female DB25 connector (LDM35-S)

The LDM35 signal powered RS-232 line driver is designed to allow video display terminals (VDTs) and other RS-232 devices to be connected over distances sufficient to cover any industrial or institutional complex of buildings. These limited distance modems feature a rugged enclosure small enough to mount on the back panel of VDT units, saving valuable desk and floor space.

The LDM35 RS-232 line driver does not require a power supply for operation. The use of low power circuits and a sensitive optical receiver allows the devices to derive all necessary power from the RS-232 data and control signal. They are designed for full-duplex, asynchronous operation over two, DC-continuity, non-loaded, twisted-wire pairs. Two-wire simplex operation may be accomplished over two wires. The modem circuits and, consequently, the host device are protected from electrical transients due to lightning strikes or operation of heavy industrial equipment.

LDM35 Datasheet

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T: +44 (0)1782 337 800 • E: SALES@IMPULSE-EMBEDDED.CO.UK

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