protechnologia Posted June 4, 2014 Report Share Posted June 4, 2014 When I connect TC35i modem to PC via USB-to-RS232 converter everything works greate. Doing "Prepare PLC-side modem" in Modem Services in VisiLogic OPLC IDE result in connection and success. Making a test dial from Modem Services also results in success. But when I connect my PLC (it is V560) with the modem using a 4-wire RJ11 programming cable (ended with MJ10-22-CS25 and simple Male-to-Male adapter) then the Modem Init fails and SB 83 bit become 1 (SB 83 is Modem Init Fail for COM 2). I suppose that something wrong is with the cable. How am I supposed to connect V560 to TC35i? Thanks for help... Quote Link to comment Share on other sites More sharing options...
MVP 2021 Flex727 Posted June 4, 2014 MVP 2021 Report Share Posted June 4, 2014 The programming cable is a crossover cable, just like ones used for landline phone service. You probably need a data cable, which is a straight-thru cable, for your modem. Quote Link to comment Share on other sites More sharing options...
MVP 2021 Joe Tauser Posted June 7, 2014 MVP 2021 Report Share Posted June 7, 2014 You need the MJ10-22-CS26 cable to attach the PLC to the modem. Joe T. Quote Link to comment Share on other sites More sharing options...
protechnologia Posted June 11, 2014 Author Report Share Posted June 11, 2014 Thanks for answers. I've made a cable according to MJ10-22-CS76 pinouts and it works now. Quote Link to comment Share on other sites More sharing options...
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