Dahua 1310nm 20KM LC Gigabit SFP Single Mode Transceiver Module GSFP 1310 20 SMF On board graphics adapter_Yes Create a professional finish without Create a professional finish without punching holes into your document Features KVM console with 17" LCD monitor in a sliding housing with top and bottom clearance for smooth operation in a 1U high system rack LCD module rotates up to 115 degrees for a more comfortable viewing angle Standard rack mount kit included optional Easy Rack Mounting (single person installation) rack mount kit available (requires separate purchase) Daisy chain up to 15 additional units control up to 256 computers No software required convenient computer selection via hotkeys and mouse driven intuitive on screen display (OSD) menus Auto Scan feature for monitoring user selected computers Broadcast support commands from the keyboard can be broadcast to all available computers on the installation Hot pluggable add or remove computers without having to power down the switch Two level password security only authorized users view and control the computers Gigabit Optical Module This Series is widely used in various broadband data transmission scenarios