Single-mode convertor extends serial signal reach
An Advantech product story
Edited by the Electronicstalk editorial team Jul 13, 2004
Aimed at industrial long-distance communication applications such as intelligent transport systems, the new ADAM-4542+ converts single-mode fibre optic signals to RS232/422/485 serial signals.
Aimed at industrial long-distance communication applications such as intelligent transport systems, the new ADAM-4542+ converts single-mode fibre optic signals to RS232/422/485 serial signals.
A newly invented redundancy feature also promises improved reliability.
The ADAM-4542+ improves over its predecessor (ADAM-4542) by adding a novel redundancy feature.
By providing fault detection on the main connection between two modules, communication can be automatically and seamlessly switched to a secondary connection.
This improves reliability, and can prevent costly troubleshooting on critical long-distance communication applications that are commonly used with fibre optics.
Cut one wire, and another automatically takes over.
Fibre optic communication is perfect for applications where the transmission medium must be protected from electrical exposure, lightning, atmospheric conditions or chemical corrosion.
Fibre optic networks operate at high speeds and have a large carrying capacity.
Signals can be transmitted further without needing to be "refreshed" or strengthened, and fibre optic cables also cost much less to maintain.
It is very difficult to tap into fibre optic transmission lines, and this is another advantage for secure transmissions.
Whereas the ADAM-4541 convertor used multimode for transmissions up to 2.5km, at a wavelength of 820nm, the new ADAM-4542+ uses single-mode for transmissions up to 15km, at a wavelength of 1310nm.
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