To use a DeviceMaster port as a COM port, you should install the NS-Link device driver. You can use the appropriate information from these sources to configure the driver.

You will need to use the driver help system for information about configuring COM ports for Windows 2000 and Windows NT. You can use the Configuring NS-Link v9.06 COM Ports for other Windows operating systems.

NS-Link v9.06 driver, on-line procedure or optionally, open the DeviceMaster NS-Link User Guide.
NS-Link driver for Windows 2000 on-line procedure or optionally, open the NS-Link User Guide
NS-Link driver for Windows NT, NS-Link User Guide

Configuring NS-Link v9.06 COM Ports

The following is a COM port properties configuration overview for the NS-Link v9.06 driver.

Open the Comtrol Drivers Management Console, Start> Program Files> Comtrol> DeviceMaster > Comtrol Drivers Management Console
Highlight the appropriate DeviceMaster.
Highlight the first port you want to configure.
Select the appropriate communications mode.

Note
If you select RS-422 mode, make sure that there is not a device attached to the port.
Enable the features that you want to use.

Note
You can use the Comtrol Drivers Management Console help system or refer to the DeviceMaster NS-Link Device Driver User Guide for information about each option.
Optionally, click the RTS Toggle Options button:
- If your communications application does not toggle RTS when transmitting in RS-485 mode.
- If you are using an external RS-232 to RS-485 converter, which is attached to a port that is configured for RS-232.
  1. Click the appropriate options for your environment.
  2. Click OK to save the changes and return to the Port General tab.
If desired, click the Clone check box to set all of the ports on this DeviceMaster to these characteristics.
Optionally, change the User-Friendly Port Name.
If desired, select a different COM Name (NS-Link COM port number). The drop-down list displays (in use) next to COM port numbers that are already in use in this system. Do not duplicate COM port numbers as this will cause the ports to not function.
Click Apply to save these changes.
Highlight the next port that you want to configure and perform Steps 3 through 10.
You are now ready to attach your serial device. If necessary, refer to the DeviceMaster Installation and Configuration Guide.

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