DennisW Posted December 28, 2007 Share Posted December 28, 2007 Hello, Im looking to see if anyone local has a seriel cable to attach the Neptune Aqua Controller Junior to a computer. All I need to do is a quick firmware update. It needs to be the cable that hooks in to the temp socket on the acjr. The fitting on the line is like that of a telephones. Then the other end goes into a seriel port on the puter. This is for the older (about 3 years old) ACjr units. I think the cable for the newer ones doesnt fit. I dont really want to by one from neptune just to do a one time firmware upgrage. Thanks Dennis Quote Link to comment Share on other sites More sharing options...
WAVES Posted December 31, 2007 Share Posted December 31, 2007 Dennis Im doing a neptune order in the next day or two ( I need an ac3 setup). Ill sell you one for cost if you want. Quote Link to comment Share on other sites More sharing options...
spipedong Posted December 31, 2007 Share Posted December 31, 2007 The cable is extremely easy to build if you have any sort of electronics inclination. You need a 4 wire RJ11 plug, or just hack apart any phone cable laying around, just make sure it has all 4 cables. Most home phones only use the center pair. You also need a DB9 Female connector. Pin 1 of RJ11 -> pin 5 of DB9 Pin 2 of RJ11 -> pin 3 of DB9 Looking at the Jr's temperature connector pin 1 is on the left hand side. That's it. Two wires. Quote Link to comment Share on other sites More sharing options...
DennisW Posted January 1, 2008 Author Share Posted January 1, 2008 Thanks but, I just went ahead and ordered one. Thanks anyways though. Dennis Quote Link to comment Share on other sites More sharing options...
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