AETI-485/TTL2: Atkinson Electronics Trunk Interface

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Product Overview

The Atkinson Electronics SM2 Trunk Interface (AETI-485/TTL2) is a TTL to TTL to RS-485 repeater module.  It was designed to extend STAEFA’s TTL communication trunk by repeating STAEFA’s communications in either STAEFA’s TTL format or in a RS-485 ½ duplex format.  The RS-485 format allows for communications to be extended over 2,500 feet, while the TTL repeater allows additional quantities of Smart II controllers to operate on a single system panel trunk.  The AETI-485 uses an on-board isolation transformer to provide isolation between each of the TTL and RS-485 communication ports.

The AETI-485 is also available in a single TTL trunk.


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