NPort IA5150A/IA5250A Series Configuring NPort Administrator
COM Grouping
The “COM Grouping” function is designed to simulate the multi-drop behavior of serial communication over an
Ethernet network. COM Grouping allows you to create a COM Group and redirect data from it to several physical
COM ports on NPort device servers. With COM Grouping, you will be able to control multiple physical serial ports
simultaneously by operating only one COM port.
Creating a COM Group
Follow the steps below to add multiple COM ports into one group:
1. Select serial port(s) for the group that you are going to create, and right-click to select
COM Settings.
2. Select a COM number for this COM group. You may select one of the ports already assigned to a member
of the COM Group. However, once the COM Group is configured, all of the original COM number(s) within the
group will be released simultaneously.
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