Why I choose it?
--This power supply is DC 48V 917mA. It take any input from 100V up to 240V AC, which is what comes out of your wall socket, and output 48V DC for the devices that require 48V 917mA input.
--Third generation smart IC chip features Short Circuit Protection, Overload Protection, Over Voltage Protection to protect your device.
--Provide 2 Years Warranty, During the warranty period, free to replace damaged cargo with brand-new product.

Specifications:
Input Voltage: 100-240V AC 50/60Hz
Output Voltage: 48V DC
Output current: 917mA
DC Cable length: about 6FT / 180cm

Compatible with
--Cisco Models Listed Only 8811, 8841, 8851, 8861, 8961, 9951, 9971, CP-8861-3PCC-K9, 8800 8900 9900 Series..
--Replacement for CP-PWR-CUBE-4

Package: 1 x DC 48V 917mA Power Supply

Note:
-- NOT fit the IP Phone 8945 / Cisco Air-lap1142 N-A-K9
-- Do not work for Polycom VVX 101, 201, 300, 301, 310, 311, 400, 401, 410, 411, 500, 501, 511, 550, 600, 601, 611, 1500
-- Do not work for SoundPoint IP 560, and SoundPoint IP 670
-- Do not work for Cisco IP phones: 7902G, 7905G, 7906G, 7911G, 7912, 7914, 7915, 7916, 7940 and 7940G, 7941G ,7942 , 7961 .
-- Do not work for CP-PWR-CUBE-3
-- Do not work for Avaya 1100 & 1200 Series: 1110, 1120e, 1140e, 1210, 1220, 1230 and Polycom VVX 500, 501, 600, 601