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| Shelf power supply for RA450 |
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| Single cache battery | |
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| Dual cache battery | |
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| Dual speed fan kit for RA450 |
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| Environmental Monitor Unit for RA450. |
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RA7000 Options |
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QTY | Part Number | Description |
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| Redundant HSZ70 Controller for dual controllers in DS- |
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| Requires: Battery |
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| Software |
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| Single external cache battery |
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| 64MB Controller Cache Memory |
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| Requires: redundant controllers require equal amounts of |
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| cache, one |
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| Expansion Cable kit | |
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| Order one with each expansion cabinet |
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| 180 Watt Power supplies |
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| Requires: an additional Power control unit |
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| when you have more than five 180Watt power supplies |
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| Dual replacement external cache battery | |
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| Requires: order one PVQ |
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| Dual speed fan kit | |
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| Environmental Monitor Unit (EMU) | |
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| Power Verification and Addressing (PVA) | |
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| Power Control Unit |
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| Requires: an additional Power Control Unit when you have |
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| more than five 180Watt power supplies |
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RA3000 Options |
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QTY | Part Number | Description |
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| Second HSZ22 Controller | |
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| Second HSZ22 controller with two 32Mbytes | |
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| Expansion pedestal |
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DIGITAL Server Cluster Kits for Windows NT Configuration Guide