Grandstream Networks GBX20 Quick Installation Manual page 4

INSTALLING GBX20 EXTENSION MODULE:
1. On the back of GBX20 and the GXV3350/GRP2615, there are slots for
the connector plate. Attach the connector plate between the slots for
GBX20 and the extension board.
Remove the rubber cov-
ers on the back of the
GBX20. You will see the
slots for the connector
plate.
EXT Port to link the
GRP2615/GXV3350
EXT Port to link
another GBX20
2. Apply the screw provided and securely tighten it in.
3. Connect the extension board to the phone via the EXT port using the
USB cable provided.
4. Install both stands on the phone and the GBX20 board.
Note: In case two or more GBX20 extension modules are connected to
the GRP2615/GXV3350, the second GBX20 needs to be powered on by a
12V/1A PSU.
EXT Port to link the
GBX20
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TIPS FOR USING THE GBX20:
1. Power up the GRP2615/GXV3350, the GBX20 extension board will show
the booting up screen with version information and connecting status.
2. After successfully booting up, the extension board will stay in idle. Press
Right and Left keys at the same time to check the version information
and status.
3. Do the same operation as step 2 to return to normal display.
4. Press Left or Right key to switch between two pages if there are multi-
purpose keys configured in both pages.
5. Press the multi-purpose key to perform the assigned function.
Multi-Purpose Keys
Left Key
CONFIGURING GBX20 EXTENSION MODULE:
After the GBX20 is successfully booted up and connected to the GRP2615/
GXV3350, the GBX20 can be configured via the host GRP2615/GXV3350's web
GUI.
1. Login to the GXV3350/GRP2615 web GUI and configure multi-
purpose keys for extension board 1/2/3/4 under web GUI :
- GXV3350: Applications → Programmable Keys → GBX20 Settings page.
-GRP2615: Settings → Extension boards → EXT settings.
2. On the GRP2615/GXV3350 extension board (i.e., GBX20), press LEFT
or RIGHT button to browse all the MPK → Programmable Keys' status
in different pages.
3. For more configuration information, please refer to the GRP2615 or
GXV3350's user manual.
Refer to online documents and FAQ for more detailed information:
http://www.grandstream.com/our-products
Right Key
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