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| Item number: CIEN4-19436369 Manufacturer no.: J9805A EAN/GTIN: 5415247010395 |
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 | The HP 640 Redundant/External Power Supply Shelf is used with the HP 2920 Switch Series to provide redundant power to back up internal power supplies in the switches, as well as provide external power for applications where additional power is required, as in PoE+ applications. Unit ships ready to be populated with at least one optional power supply and power cable, purchased separately. More information: Weight & dimensions | Width | 442 mm |  | Depth | 322.6 mm |  | Height | 44 mm |
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 | Other search terms: rack cabinet accessories, rack mount accessories |
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