For clean wiring installations, using rear IO is the best choice.
If you need to have PMC IO on the rear of your chassis then the PIM-Carrier-Dual will work for you.
PIM-Carrier-Dual is compatible with the cPCIBPMC6UET two position extended temperature PMC carrier. Some carriers use alternate Pin definitions. Please check that the PIM-Carrier-Dual will properly interconnect with your carrier. Please download the Pin List PDF to see if the PIM-Carrier-Dual matches your intended cPCI carrier board.