Choosing The Communication Port - GPS TrackMaker Reference Manual

9.3 Choosing the Communication Port

The communication between PC and GPS receivers is done through the serial ports of the PC. Note that many PCs
might not have an available port, which will make the connection impossible. The serial ports are normally located
in the back of the PC cabinet and the connection is done using DB-9 (9-pin connector) or DB-25 (25-pin)
connectors.
The cables used to make the connection between the GPS receiver and PC are specially designed for each GPS
receiver and require a special connector.
It is possible to determine the number of the communication port as it follows:
Communication Interface Window
In the Interface window, the program will show the available serial ports and you can choose the most
appropriate port. Note that some devices (like modems) use communication ports, so you must determine which
port is available so that there is no communication conflict. To know more about the connection of GPS to the
computer, see Connecting the GPS to the Computer
Modem Communication Port
The communication port for the internal or external modem used by the GTM Tracker Interface is configured as a
GPS communication port.
Through Tools > Options menu
By default, the program automatically detects the
available communication
external devices, such as a three buttons mouse and
synchronism programs for Palms and HPC, can
generate some conflict during detection and it can
lock the computer. To avoid this, you should disable
the Auto-detection
window, and choose one of the serial ports available.
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port. However, some
option in the Options