Device Type: KVM-/Audio-/USB-Switch - 8 ports - cascadable, Ports: 8 x KVM / audio + 2 x Hi-Speed ​​USB, no. KVM Local Users Qty: 1 local user, keyboard-/mouse: USB Max Resolution: 2560 x 1600 Features: Firmware upgradable, built-in Hi-Speed ​​USB Hub with 2 ports, HDCP compatible, video DynaSync, Compliant Standards: USB 1.1 , USB 2.0 Interfaces: 1 x RJ-11 - management | Keyboard: 1 x USB Type A 4-pin | Mouse: 1 x USB Type A 4-pin | Display / video: 1 x VGA - HD D-Sub (HD-15), 15-pin | Display / video: 1 x DVI-Analog/Digital - 29 pin combined DVI | Microphone: 2 x mini-phone stereo 3.5 mm | Speakers: 2 x mini-phone stereo 3.5 mm | Keyboard and mouse: 8 x USB Type B, 4 pin | Display / video: 8 x DVI-Analog/Digital - 29 pin combined DVI | Microphone: 8 x mini-phone stereo 3.5 mm | Speaker: 8 x mini-phone stereo 3.5 mm | Hi-Speed ​​USB: 2 x USB Type A, 4-pole, Power Consumption Operational: 6.5 Watt, Min Operating Temperature: 0 ° C Max Operating temperature: 50 ° C Humidity Range Operating: 0 - 80% (non-condensing), Min Storage temperature: -20 ° C Max Storage temperature: 60 ° C