The 2711P-RC3 is an External CF Memory Card with 256MB capacity manufactured by Allen-Bradley. This is a portable flash memory mass storage device used with PanelView Plus or PanelView Plus CE terminals. There are three CF memory cards available for this purpose; the 2711P-RC3 unit is middle-sized one. This item is designed to work in harsh industrial environments and using CF cards from other manufacturers may result in unpredictable behavior of the terminal. It is built on NAND technology and comprises error checking and correcting that re-reads the block when an error is detected.