> For the complete documentation index, see [llms.txt](https://docs.brwall.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.brwall.com/aten/kvm-products/desktop-kvm-switches/cs1644a.md).

# CS1644A

## 4-Port USB DVI Dual Link Dual Display/Audio KVMP™ Switch

### CS1644A

![](/files/VenZdTeGr7vvILyQ7wg4)

### Features

* One dual-screen USB console controls two/four dual-screen computers and two additional USB devices
* Multi-View Display – Easily connect two CS1642A/1644A's units for a second dual-screen setup controlled through a single connection
* Superior video quality – 2560 x 1600 at 60Hz (DVI Dual link); and 3D displays up to 1920 x 1200 at 120Hz (DVI Single link)
* Supports widescreen resolutions
* Independent switching of KVM, USB, and Audio focus
* DVI digital and analog monitor support – fully compliant with DVI specifications; and HDCP compliant
* Multiplatform support – Windows 2000/XP/Vista, Linux \*, Mac, Sun,and FreeBSD
* Sun/Mac keyboard support and emulation \*\*
* Video DynaSync, exclusive ATEN technology, to eliminate boot-up display problems and optimizes resolution when switching between ports

\*Supports Linux Kernel 2.6 and higher. The CS1644A has a builtin USB 2.0 hub, so will not support PCs or OS that do not support USB 2.0.

\*\*PC keyboard combinations emulate Mac keyboards.

\*\*\*Mac keyboards only work with their own computers.

### Diagram

![](/files/yprpu5mzlwmpTOZM5jI5)

### Specifications

<table><thead><tr><th width="150"></th><th></th></tr></thead><tbody><tr><td><strong>Computer Connections</strong></td><td>4</td></tr><tr><td><strong>Port Selection</strong></td><td>Hotkey, Pushbutton, Mouse</td></tr><tr><td><strong>Connectors</strong></td><td></td></tr><tr><td>  Console Ports</td><td><p>2 x USB Type A Female (rear panel)</p><p> 2 x DVI-I Female (White) </p><p>1 x 3.5mm Audio Jack Female (Green) </p><p>1 x 3.5mm Audio Jack Female (Pink)</p></td></tr><tr><td>  KVM Ports</td><td><p>4 x USB Type B Female </p><p>8 x DVI-I Female (white) </p><p>4 x 3.5mm Audio Jack Female (Green) </p><p>4 x 3.5mm Audio Jack Female (Pink)</p></td></tr><tr><td>  Daisy Chain Ports</td><td>1 x RJ-45 Female (rear panel)</td></tr><tr><td>  Power</td><td>1 x DC Jack</td></tr><tr><td>  USB Hub</td><td>2 x USB Type A Female (1 x front panel; 1 x rear panel)</td></tr><tr><td><strong>LEDs</strong></td><td></td></tr><tr><td>  KVM</td><td>4 (Orange)</td></tr><tr><td>  Audio</td><td>4 (Green)</td></tr><tr><td>  USB Link</td><td>4 (Green)</td></tr><tr><td><strong>Switches</strong></td><td></td></tr><tr><td>  Selected</td><td>5 x Pushbutton</td></tr><tr><td><strong>Emulation</strong></td><td></td></tr><tr><td>  Keyboard / Mouse</td><td>USB</td></tr><tr><td><strong>Video</strong></td><td><p>DVI Dual Link: 2560 x 1600 @ 60Hz; </p><p>3D Display: 1920 x 1200 @ 120Hz</p></td></tr><tr><td><strong>Scan Interval</strong></td><td>1-99 secconds (default: 5 secs.)</td></tr><tr><td><strong>Power Consumption</strong></td><td>DC5.3V:5.34W:51BTU</td></tr><tr><td><strong>Environmental</strong></td><td></td></tr><tr><td>  Operating Temperature</td><td>0–50°C</td></tr><tr><td>  Storage Temperature</td><td>-20–60°C</td></tr><tr><td>  Humidity</td><td>0-80% RH, Non-condensing</td></tr><tr><td><strong>Physical Properties</strong></td><td></td></tr><tr><td>  Housing</td><td>Plastic, Metal</td></tr><tr><td>  Weight</td><td>2.32 kg ( 5.11 lb )</td></tr><tr><td>  Dimensions (L x W x H)</td><td><p>43.72 x 15.98 x 4.40 cm </p><p>(17.21 x 6.29 x 1.73 in.)</p></td></tr></tbody></table>

{% hint style="info" %}
Note: For some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format.
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