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JA-121T Converter module

Product description

Jablotron JA-121T Converter module


The Jablotron JA-121T module is a universal converter to RS-485 for other systems. It synchronizes the transfer of the system bus JABLOTRON 100 to the serial line RS-485 and back.

Used, for example, for the connection with an intelligent house. Contains galvanic isolation circuits dimensioned at a test voltage of 4 kV. The data is sent if the status changes, or on request. In passive mode, all data is only sent on request. The module is addressable and occupies one position in the system.

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