Different Ways to Power Your Cisco Phone While Working from Home
The most common way to power your desk phone is by simply using a power supply. With these products, power comes directly from the power supply while data is transferred via a separate Ethernet cable.
Power Supply Solutions:
Power Over Ethernet (PoE) Injectors require a power source and a data source, but are slightly different than power supplies. A PoE injector is plugged into a power and data source, and then can supply the phone with both through a single Ethernet cable.
PoE Injector Solutions:
Home PoE Switch
A switch with PoE capabilities is another option to power your phone directly from the switch with a single Ethernet cable. To accomplish this, you connect a cable to your PoE switch and then to your phone.