Review the following information before calling Technical Support because they will request that you perform many of the procedures or verifications before they will be able to help you diagnose a problem.

The following checklist may help you diagnose your problem:

Verify that you are using the correct types of cables on the correct connectors and that all cables are connected securely. See the DeviceMaster Installation and Configuration Guide for up-to-date cabling information.

Note
Most customer problems reported to Pepperl+Fuchs Comtrol, Inc. Technical Support are eventually traced to cabling or network problems.
Make sure that you have installed and configured the latest driver.
Make sure that the serial device settings in the NS-Link driver match the serial device that you are connecting to the port.. If configuring the DeviceMaster (DeviceMaster DM-2000 series, DeviceMaster PRO, DeviceMaster RTS, and DeviceMaster Serial Hub) for sockets, make sure that the Server Status (main) web page matches the serial device that you are connecting to the port.
If you have a spare DeviceMaster try replacing the DeviceMaster.

For additional troubleshooting, you can refer to one of the following:

Troubleshooting NS-Link Windows Installations
Troubleshooting NS-Link Linux Installations
Pepperl+Fuchs Comtrol, Inc. forum
If you cannot diagnose the problem, you can contact Pepperl+Fuchs Comtrol, Inc. Technical Support .

You can refer to the DeviceMaster Installation and Configuration Guide or the DeviceMaster NS-Link User Guide for Windows for additional troubleshooting ideas.

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