Cisco original power supply/ adapter CP-PWR-CUBE-3/ 341-0206-03 B0 Output 48V/0,38A.
Power supply for e.g. Cisco phones of the 7900 series and some of the 6900 series.
According to the manufacturer, the power supply is compatible with the following IP phones:
IP Phone 7811, 7821, 7841, 7861, 7902, 7905, 7906, 7910, 7911, 7914, 7920, 7940, 7941, 7960, 7961, 7970, 7971, 7985; Unified IP Phone 6901, 6911, 6921, 6941, 6945, 6961, 7902, 7906, 7910, 7911, 7912, 7920, 7931, 7940, 7941, 7942, 7945, 7960, 7961, 7962, 7965, 7970, 7971, 7975
The CP-PWR-CUBE-3 is compatible with CP-PWR-CUBE-2 and can replace it.
If you do not have or do not want to install a classic inline PoE injector, this power supply unit is the best choice.