User Manual
Command Summary 5
2.3 USB Module
The GLK240128-25-USB/GLT240128-USB offers a single USB protocol for easy connection to a host
computer. The simple and widely available protocol can be accessed using the on board mini B style
USB connector as outlined in the USB Connections section.
Recommended Parts
Figure 5: Mini USB Cable
(EXTMUSB3FT)
The External Mini USB cable is recommended for the GLK240128-25-
USB/GLT240128-USB display. It will connect to the miniB style header on
the unit and provide a connection to a regular A style USB connector,
commonly found on a PC.
USB Connections
The USB connection is the quickest, easiest solution for PC development. After driver installation, the
GLK240128-25-USB/GLT240128-USB will be accessible through a virtual serial port, providing the same
result as a serial setup without the cable hassle. To connect to your GLK240128-25-USB/GLT240128-
USB please follow the steps below.
1. Set the Protocol Select jumpers.
USB: The GLK240128-25-USB/GLT240128-USB offers USB protocol only. Model specific
hardware prevents this unit from operating in any other protocol, and does not allow other
models to operate in USB. Protocol Select jumpers on the USB model cannot be moved.
2. Make the connections.
Plug the mini-B header of your External Mini USB cable into your GLK240128-25-
USB/GLT240128-USB and the regular USB header into your computer USB jack*.
3. Install the drivers.
a. Download the latest drivers at www.matrixorbital.ca/drivers, and save them to a known
location.
b. When prompted, install the USB bus controller driver automatically
c. If asked, continue anyway, even though the driver is not signed
d. When the driver install is complete, your display will turn on, but communication will not yet be
possible.
e. At the second driver prompt, install the serial port driver automatically
f. Again, if asked, continue anyway
4. Create.
Use MOGD# or a terminal program to get started, and then move on with your own
development. Instructions for the former can be found below and a number of application
notes are available for the latter at www.matrixorbital.ca/appnotes.
*Note: The YG version of the GLK240128-25-USB/GLT240128-USB will require the alternate power connection.