Interconnection


Reduced width CompactPCI backplanes

14 August 2002 Interconnection

APW has extended its range of CompactPCI backplanes with the introduction of 3U and 6U 'reduced width' models, available in 2, 3, 4, 5 and 6 slot variants. The new versions are primarily intended for rack-mount applications where 1U, 2U and 3U horizontal subracks can house 2 slot, 4 slot and 6 slot backplanes respectively. With 19" rack space at a premium, particularly in telecoms and datacoms applications, increased packaging density will give considerable overall cost savings.

The backplanes themselves are designed to PICMG 2,0 Rev.3.0 and are compliant to Revision 2 of the PICMG 2,1 Hot Swap specification. Both 32-bit or 64-bit versions are available, they have right hand system slot positions and support both 33 MHz and 66 MHz operation. The 4, 5 and 6 slot backplanes have the option of CT/H.110 routing to PICMG 2,5 Revision 1,0, giving the additional frame ground terminals and increased signal/power plane clearances required to operate with 48 V d.c. telecom voltages.

The I/O signalling environment is selectable between 3,3 V and 5 V, power on is via 6,35 mm Fastons and M4 Power Bugs and a 10-way service header is provided for power supply monitoring and other system management functions.



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