The Allen-Bradley 2711P-B4C20D is a color 3.5-inch Panelview Plus 400 terminal from Rockwell Automation, featuring both keypad and touchscreen input. Equipped with Ethernet and RS-232 ports, it operates on DC power and uses FactoryTalk View ME software. Despite its 64 MB memory and firmware versions 3.20-5.10, this series A through E product is now discontinued. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number/Catalog No. 2711P-B4C20D Product Line Panelview Plus 400 Display Size 3.5 inch Display Color Color Input Type Keypad/Touchscreen Communication Ehternet and RS-232 Ports Input Power DC Software FactoryTalk View ME Memory 64 MB Series A, B, C, D, E Firmware Version 3.20-5.10 Product Lifecycle Status* Discontinued/Obsolete