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Does the RJ45 protector plug need to be installed on the ruggedized Modbus plus tap 990NAD23010 in order for it to work?

Published date: 25 September 2018

YES. The RJ45 protector plug should be in place to protect the programming port from harmful elements and to establish a positive connection to the RJ45 port pins. When the programming cable is removed, and the RJ45 protector plug is install, it establishes a positive connection to the movable pins inside the RJ45 connector to complete the circuit.

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