KEYLINK 
            article number 3498
              
            TheKEYLINK is a versatile remote control unit. It features eight
            illuminated keys and eight screw connector terminals. External
            switches may be connected to these terminals for sensing input such
            as a door opening, for example. These terminals can also be used as
            low-level outputs for activating external power relays. 
            Four KEYLINK units may be daisy-chained to a
            single SMARTPAX QC port. KEYLINK functions are programmed from
            Dataton TRAX, version 3.6.1 or later. 
            For more information, download the KEYLINK
            product sheet (886 k 
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