Cisco ASR 900 Common Equipment

Part Number	Description
A900-PWR550-A	ASR 900 550W AC Power Supply
A900-PWR550-A=	ASR 900 550W AC Power Supply
A900-PWR550-D=	ASR 900 550W DC Power Supply
A900-PWR550-D	ASR 900 550W DC Power Supply
A900-PWR550-D-E	ASR 900 550W Enhanced DC Power Supply
A900-PWR550-D-E=	ASR 900 550W Enhanced DC PWR Supply