RouterBOARD 2011UiASIN, compared to the RB2011L series, not only has five Gigabit LAN ports and five Fast Ethernet LAN ports, but also a serial RJ45 port, a USB port, and more RAM (128 MB instead of 64 MB ). In addition, it has a RouterOS L5 license (instead of L4) and a nice touch LCD screen for The SFP box is also available (SFP module not included! Tested and recommended for use with MikroTik SFP modules: S85DLC05D, S31DLC20D, and S35 / 53LC20D (not included) There is a PoE output function for port # 10, which can supply other PoE-compatible devices with the same voltage that is applied to the device. The maximum load on the port is 500 mA.RouterBOARD 2011UiASIN is supplied with a desktop case, an LCD panel, and a power supply unit. The wall mounting set (article code RBWMK) for the network cabinet is available as an optional accessory.