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Modbus Cable: RJ45 - RJ11 Cable Pin-Out? - Vision & Samba PLC + HMI Controllers & VisiLogic Software - Unitronics Support Forum: Programmable Controllers (PLC + HMI All-in-One)
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serial - Can't figure out EIA-232 (RJ45) to DB9 cable... (seems simple!) - Electrical Engineering Stack Exchange
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