Cisco UCS 5108 Blade Server Chassis
46
TECHNICAL SPECIFICATIONS
Maximum hold up time 12 ms @ 2500 W
Power supply output
voltage
12 VDC
Power supply standby
voltage
3.3 VDC
Efficiency rating Climate Savers Platinum
Efficiency
(80Plus Platinum
Certified)
10% load 20% load 50% load 100% load
89.63% 93.25% 94.19% 92.07%
Input Connector IEC320 C20
Table 26 DC Input Power Supply (UCSB-PSU-2500DC48) Specifications
Description Specification
Minimum software
requirement
Cisco UCS Manager Release 2.0(1)
Capability Catalog Version 42
DC input voltage -48 VDC to -60 VDC nominal (range: -40 to -72 VDC)
Maximum output power
per power supply
2500 W
Maximum inrush current 35 A (sub cycle duration)
Current draw at min
voltage
62 A
Current draw at max
voltage
50 A
Maximum input VA 2880
Efficiency 10% load 20% load 50% load 100% load
88.73% 91.68% 92.19% 90.51%
DC input terminal block Accepts Panduit LCD4-14AF-L or equivalent barrel-type lug terminals with
90-degree angle, two- hole tongue, which accommodates 1/0 AWG size
copper wire. The connector tongue width is 0.82 in, the stud hole spacing is
5/8 in, and the hole size is 1/4 in.
Maximum hold up time 8 ms
Table 25 AC Input Platinum Power Supply (UCSB-PSU-2500ACPL) Specifications (continued)
Description Specification