ABT204A is a 4-port Dual-Link DVI USB KVM switch with audio and microphone switching function. Users can easily control, boot, and reboot 4 computers using a single set of keyboard, mouse, Dual Link DVI monitor display, microphone and speaker/headphone. It features the latest True Transparent USB (TTU) Emulation Technology for advanced types of keyboards and mice. Another technology this device implements is Active Sync Replication (A.S.R.) which fully supports advanced DDC
video signaling requirement of the latest operating systems, such as Windows 7 and Mac OS X.
．4-port Dual-Link DVI USB KVM switch with audio and microphone switching and 2 x USB 2.0 hub ports
．True Transparent USB (TTU) Emulation Technology with an integrated ASIC
．Full driver support for all types of USB keyboard and mouse
．Active Sync Replication (A.S.R.) Technology supporting all time DDC emulation for video compatibility and stability
．Comply with HDCP specifications
．USB 2.0/ USB1.1 specification compliance
．2 x USB 2.0 device ports for sharing high-speed USB devices
．Independent/ simultaneous PC/ hub/ audio & mic port selection
．Support Windows 98/SE/ME/2000/XP/Vista/7, Linux and Mac OS
．Multi-platform support for PCs and Macintosh
．Switching PC/ hub ports by front-panel push buttons and keyboard hotkeys
．Low power consumption using ASIC
．Firmware upgradable via USB port
．Dual-Link DVI supports large 30’’ monitor and above
．Dual-Link DVI is backward compatible to Single Link DVI display
．Resolution support up to 2048 x 1536 (analog)/ 2560 x 1600 (digital)
| Model No. | ABT204A |
| Product Description | 4-Port Dual Link DVI USB KVM Switch w/ Audio, Mic, & Hub |
| Number of Ports | 4 |
| Number of Console | 1 |
| Console Keyboard Connector | USB Type A Female |
| Console Mouse Connector | USB Type A Female |
| Console Video Connector | DVI-I Female |
| Console Audio/Mic Connector | 2 x 3.5mm Audio/Mic Jack Female |
| Console USB Hub Ports | 2 x USB 2.0 Type A Female |
| PC Keyboard Connector | 4 x USB Type B Female |
| PC Mouse Connector | 4 x USB Type B Female |
| PC Video Connector | 4 x DVI-I Female |
| PC Audio/Mic Connector | 8 x 3.5 mm Audio/Mic Jack Female |
| PC selection | Push Buttons / Hotkeys |
| PC port LED | 4 (Green) |
| Hub port LED | 4 (Red) |
| Analog Display Resolution | 2048 x 1536 |
| Digital Display Resolution | 2560 x 1600 |
| Keyboard & Mouse Emulation | Yes (TTU) |
| DDC Emulation | A.S.R. |
| Auto Scan Delay Time | 10 ~ 60 sec |
| Operation Temperature | 0 ~ 40 °C |
| Storage Temperature | - 20 ~ 60 °C |
| Humidity | 0 ~ 90 % RH, Non-Condensing |
| Power Adapter | DC 9 V |
| Weight | 1000 g |
| Dimension(L×W×H) | 220 x 105 x 45 (mm) |
| Safety / Emission | FCC, CE |