User Guide
Grandstream Networks, Inc.  GXP User Manual  Page 5 of 44 
       Firmware 1.2.5.3     Last Updated: 03/2011 
Installation 
EQUIPMENT PACKAGING 
Table 1: Equipment Packaging
GXP-280/285 
GXP-1200 
GXP-2000 
GXP-2010 
GXP-2020 
Main Case 
Yes 
Yes 
Yes 
Yes 
Yes 
Handset 
Yes 
Yes 
Yes 
Yes 
Yes 
Phone Cord 
Yes 
Yes 
Yes 
Yes 
Yes 
Power Adaptor 
Yes 
Yes 
Yes 
Yes 
Yes 
Ethernet Cable 
Yes 
Yes 
Yes 
Yes 
Yes 
High Phone Stand 
No 
Yes 
No 
Yes 
Yes 
Low Phone Stand 
Yes 
No 
No 
Yes 
Yes 
Wall Mount Spacers (2) 
No 
Yes 
No 
Yes 
Yes 
CONNECTING YOUR PHONE 
The connectors of the GXP1200/2010/2020 are located on the bottom of the device while they are located on 
the back side of the GXP280/285/2000. 
Table 2: GXP Connectors 
EXT 
Connects the GXP Extension unit directly to the GXP using connection cable. 
Draws power from PoE if provided by network.  
PC 
10/100Mbps RJ-45 ports for PC (downlink) connection. 
LAN 
10/100Mbps RJ-45 port for LAN (uplink) connection. Supports PoE (802.3af). 
Draws power from either spare line or signal line. 
Power Jack 
5V DC power port; UL Certified 
Headset Jack 
RJ22 and 2.5mm for GXP-280/285/2010/2020 
RJ22 for GXP-1200 
2.5mm for GXP-2000 HW Rev1.0 or later 
Handset Jack 
RJ11 
GXP-2000 EXTENSION UNIT 
GXPā2000 supports two (2) extension units, providing up to 112 additional programmable extensions. Each 
GXP Extension unit has 56 multiāpurpose keys, dual color LEDs (red/green) and support BLF (Busy Lamp 
Field) and Presence. 
GXPā2000 Extension package contains: 










