The Cisco Unified IP Phone 8961 Power Injector (CP-PWR-CUBE-4) serves as a power supply for the Cisco Unified IP Phone 8961. The 8961 can be powered directly through Ethernet, eliminating a power adaptor or cord. This power injector package is compact, and can be connected directly to the phone with the provided cables. It is also well built to sustain damage while remaining functional. For these reasons, the power injectable serves as an effective solution for users looking to reduce setup time and cabling. One is able to power the phone in a more efficient manner with the 8961 power injector.