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    Connecting an EGX150 to a serial RS485

    The Serial port for the EGX150 uses an RJ45 connector, which is different from the standard RS-485 connector.

    Product Line
    Link150, EGX150

    EGX150 serial connections

    The EGX150 does not use the standard RS-485 connector. 

    Pin Number Colour Signal name Description
    1 Orange/White striped Rx- Receive Data -
    2 Orange Rx+ Receive Data +
    3   NC No Connection
    4 Blue Tx+ Transmit Data +
    5 Blue/white striped Tx- Transmit Data -
    6   NC No Connection
    7   NC No connection
    8   GND Ground

    Connect, using a straight through RJ45 cable to the RS-485 port on your EGX150.
    Cut the other end (that is to be connected to your slave device) to expose the wires.

    2-Wire RS-485 connection:
    Use the Blue wire as the positive (+) and the Blue/White striped wire as the negative (-)

    4-Wire RS-485 connection:
    RJ45 Pin Number  Master Slave
    1 Rx- Tx-
    2 Rx+ Tx+
    4 Tx+ Rx+
    5 Tx- Rx-

    Kindly refer to the EGX150 User Guide for details on how to wire the RS-485 port.

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