• USB-C Cable

• Download the RDX XComms Link software using this link.  https://rdxtechnologies.blob.core.windows.net/rdx-xcomms-link/Publish.html

• Download the latest firmware to the PC and install it. (Found at bottom of this page)

• USB Drivers are available below if required.

1. Remove the USB Dongle from the XM4 B.O.S.S. Unit.

2. Insert the USB-C cable into the XM203 Dongle Port and PC.

If the USB has power then the XM203 should start up as normal but show a flashing green and red LED to indicate a USB power source has been connected.

• Open RDX XComms Link after downloading and installing.

1. Use the dropdown to locate the newly created USB Serial Device looking for "XM203"
   1. Your COM number may be different than the number shown above.
2. You may need to press "Refresh Ports" if not shown,
3. Press Connect to establish a connection to the XM203 from the PC

Pressing [3] you should hear a beep from the XM203 and the LED should turn solid orange to indicate a successful connection.

4. Connect should now change to disconnect which can be used to disconnect the XM203 later.
5. The terminal window will show all commands sent and received from the XM203

• Now that you have a connection to the XM203. Let's do a firmware update.
• Press the button "FIRMWARE".

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6. After 3-5 Seconds a message box should appear informing you that a drive has been detected.
   1. The XM203 orange LED will now show a glowing green LED indicating the unit is now ready for the firmware

7. In Windows File Explorer, a drive will appear with "RDX XM203"
   1. The drive letter may be different than the one shown
8. This is the content of the new drive and where the new firmware file can be copied or moved into.

• Move the download file into the new drive

Once placed into the drive, the unit will reset and initialise as normal.

Simply remove the USB and start over again.

If a drive is shown when connecting the USB, then simply copy the new or previous firmware into the drive to complete the firmware update process.

contact support@rdxtech.net if you require further assistance.

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