Quote:
Originally Posted by Startrek
ST4 cable is simply just an RJ12 plug end to end with 6 wires or conductors
A few of my suppliers have 2m long RJ12 cords but Jaycar does have a 1m long RJ12 cord on their website
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Don’t get confused with RJ11 cords ( the old telephone lead )
RJ11 and RJ12 plugs are the same size but -
RJ11 usually only has 2 or 4 wires or conductors end to end
RJ12 has 6 wires or conductors end to end which is used as ST4
RJ12 pin outs for ST4 connection
Pin 1 not used
Pin 2 Common or ground
Pin 3 Ra +
Pin 4 Dec +
Pin 5 Dec -
Pin 6 Ra -