HD-T901B Synchronous Sending Box for LED Screens
The Huidu HD-T901B connects a DVI video source to an LED screen through R50X-series receiving cards. It provides two Gigabit Ethernet outputs, USB-B control and cascading for multi-unit control.
Resolution and Refresh-Rate Modes
The listed control range is approximately 1.3 million pixels, with separate maximum dimensions of 3840 pixels wide and 2048 pixels high. The resolution list distinguishes 60 Hz operation from higher-pixel-count 30 Hz modes; use the matching resolution and refresh rate when planning the display.
| Parameter | Specification |
|---|---|
| 60 Hz resolutions | 1280 × 1024; 1024 × 1200; 1600 × 730; 1920 × 640; 2048 × 640; 3840 × 340; 512 × 2048 |
| 30 Hz resolutions | 2048 × 1024; 1600 × 1170; 1920 × 1024; 3840 × 546; 1024 × 2048 |
| Parameter | Specification |
|---|---|
| Video input | 1 × DVI; synchronous display |
| LED outputs | 2 × 1000M RJ45 |
| Control | 1 × USB 2.0 / USB-B; serial cascade output |
| Receiving-card series | R50X |
| Recommended R500 load | 256 × 128 pixels per receiving card |
| Recommended R501 load | 256 × 192 pixels per receiving card |
| Module compatibility | Indoor/outdoor full-color and single-color; conventional chips and PWM chips including MBI, MY, ICN and SM |
| Scan range | Static to 1/64 scan |
| Grayscale | 0–65536 levels, adjustable |
| Software | HDPlayer for playback control; HDSet for debugging and setup |
| Power input | AC 110–220 V supply terminal |
| Internal power conversion | AC to DC 5 V |
| Working temperature | −20°C to 80°C |
Receiving Cards and Multi-Unit Setup
Match the receiving-card load to the cabinet layout as well as the sender resolution. The R500 and R501 figures above are the recommended per-card loads in the product information. Serial cascading supports configuration of multiple sending units for larger screen systems.
Specification Download
Download the HD-T901B specification (PDF)
Frequently Asked Questions
Which receiving cards work with the HD-T901B?
The product identifies the R50X series. Its recommended per-card loads are 256 × 128 pixels for R500 and 256 × 192 pixels for R501.
Does the T901B have a DVI input?
Yes. It has one DVI video input for synchronous display and two Gigabit Ethernet outputs.
Which software is used with the sending box?
The product lists HDPlayer for playback control and HDSet for debugging and setup.
Can it run 2048 × 1024 at 60 Hz?
The supplied mode list specifies 2048 × 1024 at 30 Hz. Select one of the listed 60 Hz modes when 60 Hz operation is required.
Does it support single-color modules and 1/64 scan?
Yes. The listed compatibility includes indoor and outdoor single-color and full-color modules, with scanning from static to 1/64.











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