3. Connect the PSU output plug to the power jack on the phone; plug the power adapter into an electrical
outlet. If PoE switch is used in step 2, this step could be skipped.
4. The LCD will display provisioning or firmware upgrade information. Before continuing, please wait for the
date/time display to show up.
5. Using the phone embedded web server or keypad configuration menu, you can further configure the
phone using either a static IP or DHCP.
Figure 4: GRP261X/GRP2624/GRP2634 Back / Side View