Grandstream Networks GXP21 Series User Manual page 18

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2. Apply the screws provided and securely tighten them in (See Figure 1: GXP2140/GXP2170
Back View with GXP2200EXT ).
3. Connect the GXP2200EXT board to the GXP2140/GXP2170 via EXT port using the RJ11-RJ11
cable provided;
4. Install the phone stand on the GXP2140/GXP2170 and the GXP2200EXT board;
5. Power up the GXP2140/GXP2170. The GXP2200EXT board will show the booting up screen with
version information and connecting status;
6. After successfully booting up, the GXP2200EXT board will stay in idle. Press and hold the Left
button for 3 to 5 seconds to check the version information and status.
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Figure 1: GXP2140/GXP2170 Back View with GXP2200EXT
The GXP2200EXT board can be configured via the web GUI of the GXP2140/GXP2170 connected.
After successfully configured, press Left or Right button on the GXP2200EXT board and users could
browse all the MPK's status in different pages.
For more information on installing, connecting and configuring the GXP2200EXT board with
GXP2140/GXP2170, please refer to the GXP2200EXT board user manual:
https://www.grandstream.com/support
Safety Compliances
The GXP2130/GXP2140/GXP2160/GXP2170/GXP2135 phone complies with FCC/CE and various
safety standards. The GXP2130/GXP2140/GXP2160/GXP2170/GXP2135 power adapter is compliant
with the UL standard. Use the universal power adapter provided with the GXP2130 / GXP2140 /
GXP2160 / GXP2170/GXP2135 package only.
The manufacturer's warranty does not cover damages to the phone caused by unsupported power
adapters.
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