DeviceMaster DM/PRO/RTS/Serial Hub Same Network Segment

Use the following procedure to associate a MAC address to a DeviceMaster that is on the same physical network segment or connected directly to the NIC.

This procedure does not include initially programming the IP address, which was discussed in Programming the IP Address.

  1. Make sure that you have installed the hardware (DeviceMaster DM-2000 series, DeviceMaster PRO, DeviceMaster RTS or DeviceMaster Serial Hub), configured the IP address, and uploaded the latest version of SocketServer.

  2. If necessary, open the Comtrol Drivers Management Console, Start > Pepperl+Fuchs Comtrol, Inc. > DeviceMaster Drivers Management Console

  3. Highlight the appropriate DeviceMaster.

  4. Select the MAC address from the drop-down list, which is on the MAC address label on the DeviceMaster.

  5. If the appropriate MAC address is not displayed in the drop-down list, then it can be one of the following reasons:

    • The DeviceMaster is not on the same network segment

    • The DeviceMaster not powered on or connected to the network

    • The DeviceMaster wrong model was selected during the driver installation

    • Device Failure

    If you programmed the IPv4 address using PortVision DX, the IPv4 address displays in the IP Mode text box.

  6. Optionally, click Enable SSL Mode if you want to configure secure COM ports.

    The DeviceMaster must be configured using IP Mode before you can enable SSL mode in the driver. For the SSL Mode option in the driver to function, you must also Enable Secure Data Mode in the NS-Link web page after configuring the driver.

    If SSL Mode is enabled, TCP connections that carry data to/from the serial ports are encrypted using SSL or TLS security protocols. This includes the following:

    • TCP connections to the per-serial-port TCP ports (default is 8000, 8001, 8002, ...) are encrypted using SSL/TLS.

    • TCP connections to TCP port 4606 on which the DeviceMaster implements the Pepperl+Fuchs Comtrol, Inc. proprietary serial driver protocol are encrypted using SSL/ TLS.

    • Since SSL/TLS can not be used for either UDP data streams or for the Pepperl+Fuchs Comtrol, Inc. proprietary MAC mode Ethernet driver protocol, both UDP and MAC mode serial data transport features are disabled.

    In addition to encrypting the data streams, it is possible to configure the DeviceMaster so that only authorized client applications can connect using SSL/TLS.


    See the help system if you need additional information on SSL and the corresponding options.

  7. Click Apply to program the driver with the MAC address of the DeviceMaster.

  8. Optionally, you can click the Advanced tab and verify that the Device Status message indicates that the DeviceMaster is active and OK.

  9. You may need to perform some of the following tasks to complete the driver configuration process.

    • MAC Mode, you should disable DHCP requests so that the device driver runs efficiently:

      1. Make sure that the MAC Mode radio button has been selected.

      2. Highlight the Device Name of the DeviceMaster that you want to configure.

      3. Click the Network Settings button.

      4. Click the Modify button.

      5. Click Disable IP to disable DHCP discovery messages that are related to IP mode.

      6. Click the Apply Changes button.

      7. Click Close to return to the Comtrol Drivers Management Console.

    • IP Mode:

      1. Highlight the DeviceMaster.

        If the DeviceMaster is on the same network segment, the driver populates the IP Mode text box with the DeviceMaster IP address.

      2. Click the IP Mode radio button.

      3. Click Apply to program the driver for IP mode or OK to save the change and close the Comtrol Drivers Management Console.

  10. Configure device properties.

  11. For secure COM ports, use the NS-Link web page to enable the Enable Secure Data Mode option.

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