SIP-T790 IP Phone User Manual
20
- DC power
Use the power adapter in the package to connect the power socket to the DC5V
socket of the phone; use the Ethernet cable in the package or use a standard
network cable to connect the upper switch/router to the Internet port on the back of
the phone.
- POE power
Use an Ethernet cable to connect a switch or hub that supports PoE power supply to
the Internet port on the back of the T790P ip phone.