Foundry Networks LS 648 - Manual (Page 67)

Hardware Specifications
September 2007 © 2007 Foundry Networks, Inc. 2 - 13
Mean Time Before Failure
Table 0.19 provides the intitial MTBF result for the RPS2-EIF (including the Power Supply Unit).
Electrical Specifications
This section lists the electrical specifications for the power supply.
Input specifications
Operating temperature 32
° to 110° F, 0° to 45° C
Operating relative
humidity 5 – 95%, non-condensing
Operating altitude up to 6,600 feet above sea level
Storage temperature -40
° to 158° F, -40° to +70° C
Storage altitude up to 15,000 feet above sea level
Cooling internal fan, 28 mm, 9500rpm
Table 0.19: Mean Time Before Failure Specifiations
Platform Temperature System Failure Rate System MTBF
RPS2-EIF 25
° C (76.9° F)
7343.584745 136,173
50
° C (121.9° F)
17,129.130581 58,380
Table 0.20: Input Specifications for Power Supplies
Property RPS2-EIF
Input voltage range 100 - 240 VAC
Input current < 10 Amps
Inrush current 60 A
Table 0.18: Environmental Considerations for Power Supplies