User manual

5
Power over Ethernet Connection
SF2121H-R is fully complied with PoE standard. It allows you to use PoE enabled switch or
PoE injector to transmit data and power thru single Ethernet cable.
PoE Enabled Switch Connection Diagram
PoE Switch
PoE Injector Connection Diagram
Ethernet Switch
PoE Injector
Power cable
Wall outlet
RJ45 LED
LED Status
Blinking Green Connected to 100 Base-T mode and also
transmitting and receiving data.
Steady Yellow Connected to the Internet.