Gxp2120/Gxp2110 Extension Module; Figure 1: Gxp2120/Gxp2110/Gxp2100/Gxp14Xx Pin-Out - Grandstream Networks GXP1450 User Manual

5. The LCD will display provisioning or firmware upgrade information. Before continuing, please wait for
the date/time display to show up;
6. Using the keypad configuration menu or phone's embedded web server (Web GUI) by entering the IP
address in web browser, you can further configure the phone.
Please see below the pin-out information for GXP2120/GXP2110/GXP2100/14xx.
GXP2120/GXP2110/GXP2100/GXP14xx
Handset/Headset Jack
GXP2120/GXP2110/GXP2100/GXP14xx
Handset/Headset Plug

GXP2120/GXP2110 EXTENSION MODULE

GXP2120/2110 supports two EXT boards, providing up to 112 additional programmable extensions. Each
GXP EXT board has 56 multi-purpose keys, dual color LEDs (red/green) and support BLF (Busy Lamp
Field) and Presence.
GXP2120/2110 EXT board package contains:

1 GXP EXT board

2 connection cables
FIRMWARE VERSION 1.0.5.58

Figure 1: GXP2120/GXP2110/GXP2100/GXP14xx Pin-out

GXP2120/GXP2110/GXP2100/GXP14xx USER MANUAL
GXP2120/GXP2110/GXP2100/GXP1450
2.5mm Headset Jack
GXP2120/GXP2110/GXP2100/14xx
Power Jack
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