Actisense NMEA 0183 User Manual download pdf (Page 14)

USB Conguration

To communicate with the NDC-4, the COM port number

that Windows™ has allocated to the USB port needs to be

determined. The following guide will walk the user through

this standard operation.

The Actisense NMEA Data Multiplexer, NDC-4 is

completely USB port independent: it can be easily

unplugged from one USB port and connected to another

available USB port on the same PC without the COM Port

number changing.

This is very useful when the NDC-4 is working in unison

with a software program that is set up to use a particular

COM port, as the user does not need to reselect a

different COM port everytime the PC reboots, or the cable

is swapped between two USB ports.

Step by step guide

1. Make sure the Actisense NDC-4 is powered up

(indicated by a green LED) and connected to an available

USB port on the PC. From the Windows™ ‘Control

Panel’, open the ‘System Properties’ window and click

on the ‘Hardware’ tab.

2. Click on ‘Device Manager’ and expand the ‘Ports (COM

& LPT)’ list by clicking on the ‘+’ sign next to it. You will nd

the ‘Actisense NDC USB Serial Port’ in the list, followed

by the allocated COM port number.

3. Double click on the port icon for the ‘Actisense NDC

USB Serial Port’ and the port properties window will

appear. Click on the ‘Port Settings’ tab. Select a Baud

rate of 38400 for the ‘Bits per second’ option. This is the

xed Baud rate for the Actisense NDC-4 device. Leave

the other settings as they are.

4. Click on the ‘Advanced’ button and choose a different

COM Port number if required (to make it compatible with

the software requiring the NDC-4 NMEA data).

The other settings are already optimised for the Actisense

NDC-4 and should be left in the default values. Click on

‘OK’ button to save the new settings.

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Actisense NMEA 0183 User Manual Page 14