QuickSpecs
ProLiant BL20p and
Technical Specifications
Operating and Performance | Voltage | Nominal input voltage | ||
Specifications for Facility DC |
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| Max Input voltage slew rate | 0.5V/uS | |
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| Redundant feed voltages* | *A and B feeds must differ by no more than | |
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| (A & B) | 5VDC during steady state operation | |
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| Ripple/Noise | 480 mV PARD** | |
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| Overshoot | Must remain within regulation limits on all feeds | |
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| during startup or shutdown |
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| Voltage transients | Must not exceed | |
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| Current | Max steady state input current | 62.5A per server blade enclosure installed at | |
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| Max steady state current per |
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| feed/total |
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| Power bus boxes | 70 A/70A |
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| Mini bus bars | 210 A/210A |
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| Scalable bus bars | 210 A/350A or equivalent of 175A per feed* |
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| Must support up to 2X the maximum operating current per server blade | |||
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| enclosure (125 A) for up to 1.0 mS | ||
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| Input | Customer provided fusing for facility DC feeds that protects the system from | ||
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| catastrophic | ||
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| operating currents. |
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| Max Input Current Slew Rate | 1A/uS |
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| Max Rated Power | 3000W per server blade enclosure | ||
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| Connections and Cables | Compaq provided facility DC cable connection kit: | ||
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| • | The facility DC connection kit supports the connection of up to four - | |
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| 48VDC, RETURN pairs and ground. |
The power cable assemblies consist of 1/0AWG,
Note: *All systems support redundant A and B feeds. Scalable bus bars support dual A and dual B feeds.
**Periodic and random noise (PARD). Maximum allowable
Canada — Version 1 — August 26, 2002 | 22 |