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The x4 Display Wall Controller from DATAPATH is a stand-alone display wall controller that accepts a standard single or dual-link DVI input, and can flexibly display it across four output monitors via four DVI outputs. Each output can be driven as DVI or analog RGB, and can represent an arbitrary crop region of the original input image. The output resolution and frame rate does not need to be related to that of the input, as the display controller will optionally upscale and frame-rate convert each cropped region independently.
Each output monitor can take its input from any region of the DVI image, since all the required cropping, scaling, rotation and frame rate conversion is handled by the x4 hardware. These regions can overlap to allow any output to replicate another, or they can be configured to support any creative splice of the source material. This allows the support of many non-rectangular screen arrangements with uneven gaps, and any mix of orientations.
Dual-link video input will support high resolution pixel-perfect source images for display. The display wall controller can additionally present a default native resolution to the source to allow still higher custom resolutions at reduced frame rate, but still remain within the capabilities of the dual-link video interface. Most standard graphics card sources will output at this native resolution. Since the x4 will scale and frame-rate-convert using a triple buffered capture architecture, the output monitors can still be driven at their preferred frame rates and resolutions.
At high resolution, DVI signals cannot normally be guaranteed beyond 16.4' (5m) cables, due to the nature of the signal losses inherent in the DVI cables and connectors. Active equalization hardware on the input to the x4 is able to compensate for these losses and support cable lengths of up to 65.6' (20m), even at full dual-link resolutions (330 MHz pixel clocks). Lower resolutions will allow even longer cable lengths. Additionally, the x4 display controller control application allows user configuration of the equalization levels to guarantee that any combination of input cable length and cable type can be adjusted for optimum quality.
The x4 will auto-sense input and output frame rates, automatically genlocking when possible. Four identical output monitors will automatically be driven genlocked, and if the input timings match they are additionally genlocked and clock-locked to the source signal. The unit has been developed with an "Output Framelock" button situated on the front of the unit. This button enables you to set up the unit with all four outputs set to exactly the same timings, allowing the 4 monitors connected to be synchronized to provide you with smooth, clear video.
The Datapath's Wall Designer is the perfect solution for creating and managing an entire video wall project, created to work with the x4. The Wall Designer allows project builders to select their monitors by manufacturer/model and arrange them onto a canvas. Select the required source and resolution and finally add a range of x4s ready for auto-configuration.
Accepts dual-link DVI, single-link DVI or HDMI input
Supports both DVI and analog RGB output monitors
Supports image overlapping
High quality scaler and frame rate converter
Flexible EDID management
Bezel or gap correction, arbitrary cropping, frame locking, and rotation & mirroring
A single video stream can be distributed to multiple x4s using the dL8 dual-link distribution amplifier, allowing sections of the single video input to be spread over large walls using a mix of monitor sizes
In the Box
DATAPATH x4 Display Wall Controller (Rackmount)
USB 2.0 Cable Type A to Type B
Limited 3-Year Warranty
Table of Contents
4 x single-link DVI or RGB Analog
Up to 165 Mp/s
Input Surface: 4k x 4k, maximum
Output Screen: Up to 2.5 MP (maximum 2048p in either direction)
Updates supported via USB
Full speed (12 bit/s) operation supported
1 x dual-link capture, to 300 MP/s
Arbitrary Up Scaling: 64 x original surface area
32 to 95°F (0 to 35°C)
Internal cooling fans
5 VDC, 18 W, 100 - 240 VAC internal PSU
9.3 x 6.9 x 1.6" (23.5 x 17.5 x 4.0 cm), unit
17.2 x 6.8 x 1.6" (43.8 x 17.2 x 4.0 cm), rack mounted