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What is a passive backplane?

A passive backplane is a computer board used in rackmount chassis that allows the user access to peripheral cards such as Dialogic, LAN, or USB cards. A passive backplane needs an SBC (Single Board Computer) to function.

Passive backplanes are the perfect choice for industrial computing solutions as they allow you a large amount of expansion without having to add computers. Most motherboards only provide 5-7 slots while a typical 20 Slot passive backplane can hold up to 15 additional PCI cards with the SBC installed.

The board to the left is a PBP-14A7 14 Slot passive backplane. This particular model has a combination of ISA and PCI slots to allow greater flexibility in peripheral card choice. Depending on the location of the SBC, this board provides 6 ISA and 4 PCI or 3 ISA and 7 PCI slots.

Justservers.com is an industry leader in passive backplane technology. We have been building our custom servers with passive backplanes for over 10 years.

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What is a passive backplane?

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