Backplane Power Requirements.......................................................21XMC/PMC Power Limitations...........................................................21Checking the Box Contents.........................................................................21Installing a Mezzanine Card........................................................................22Installing the Primary XMCspan..................................................................24Installing a Secondary XMCspan.................................................................26Removing the XMCspan..............................................................................28Resetting the XMCspan.............................................................29Controls, LEDs, and Connectors.................................................30Board Layout...............................................................................................30Face Plate....................................................................................................30Connectors.................................................................................................32VME Connectors..............................................................................33PCI Express Expansion Connectors...................................................34Functional Description..............................................................36Block Diagram............................................................................................36PEX8533 PCI Express Switch.......................................................................37PEX8533 Station and Port Configuration....................................................37XMCspan Stacking......................................................................................37Mezzanine Card Sites..................................................................................37Mezzanine Card Identification.....................................................................37XMC.3 Support...........................................................................................38PMC and PrPMC Support............................................................................38PCI Buses....................................................................................................38Tsi384 PCI Express-to-PCI/PCI-X Bridge.......................................................38I2C Bus Structure........................................................................................39Serial EEPROM for VPD................................................................................39Clocking Scheme........................................................................................39Debugging Support....................................................................................40Contacting Technical Support....................................................42References................................................................................43Emerson Documents..................................................................................43iv | XMCspan Installation and Use | 6806800H03A