P a g e | 31
GXV3350 User Guide
Version 1.0.1.8
3. Connect the GBX20 to the GXV3350 via the USB port using the USB cable provided with the GBX20.
4. Install the phone stands on the GXV3350 and the GBX20.
5. Power up the GXV3350. The GBX20 will show the booting up screen with version information and
connecting status.
6. After successfully booting up, the extension board will stay in idle. Press and hold the LEFT and RIGHT
button at the same time to check the version information and status.
The GBX20 can be configured via the web GUI of the GXV3350 connected. After successfully configured,
press LEFT and RIGHT button on the GBX20 and users could browse all the Programmable Keys' status
in different pages.
For more information on installing, connecting and configuring the GBX20 with GXV3350, please refer to
the GBX20 user manual in http://www.grandstream/com/support.