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Power Backplanes

PS1240 and PS1241 6U 16HP Power Backplanes2

Technical Details

The PS1248 is a 6.5U (or 6U) tall, 16HP wide backplane designed to accept up to two 6U x 8HP (2 x 1) CompactPCI hot-insertable power supply modules, and supply DC power to other CompactPCI backplanes. This board is also designed to accommodate rear power entry modules for 48V applications.

Either AC or DC power is supplied to the powerplane by means of a six contact Mate-n-Lok connector. There are four ATX-style power connectors on
this power plane, for distribution of regulated power to the modular CompactPCI backplanes. The connectors used are Molex “Mini-Fit Jr.” Series headers or compatible connectors.  These are the same connectors that are recommended for ATX style PC power supplies.

The Compact PCI backplanes will be connected to the power backplanes by means of cable assemblies with mating “Mini-Fit Jr.” receptacles at either end. These wiring harnesses provide +5V, +3.3V, +12V, -12V, GND and control signals between the two backplanes. These wiring harnesses, the PS1600, can be ordered separately.

The PS1248 uses the new P47 power supply connector, as specified in the PICMG 2.11 R1.0 Power Interface Specification.

PS1248 6U x 16HP Power Backplane Order Information

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