Cisco PWR-950-DC 34-1912-01 Spare 950 W D/C P/S for 7603 and Cat 6503
Input: -48V/ -60V, 25A Max
Output Power: Max 950W
Cisco PWR-950-DC, IPP1CD5AAA, 34-1912-03
DC-input (PWR-950-DC) power supplies can be installed in the Catalyst 6503 and Catalyst 6503-E switch chassis only. Due to form factor differences, the 950 W AC-input and DC-input power supplies cannot be installed in any other Catalyst 6500 series switch chassis.