HD-T901S Synchronous LED Sending Card
The Huidu HD-T901S uses a DVI video input and two 1000M RJ45 outputs for synchronous LED display. It supports indoor and outdoor full-color and single-color modules, including PWM and conventional driver chips.
Choose the Loading Mode by Refresh Rate
The product overview lists a control range of 1.3 million pixels, a maximum width of 3840 pixels and a maximum height of 2048 pixels. The supported-mode list also includes larger pixel counts at 30 Hz. Use the specific resolution and refresh-rate pairing below when planning a screen; the maximum width and height are separate limits.
| Parameter | Specification |
|---|---|
| 60 Hz modes | 1280 × 1024; 1024 × 1200; 1600 × 730; 1920 × 640; 2048 × 640; 3840 × 340; 512 × 2048 |
| 30 Hz modes | 2048 × 1024; 1600 × 1170; 1920 × 1024; 3840 × 546; 1024 × 2048 |
| Parameter | Specification |
|---|---|
| Module compatibility | Indoor/outdoor; full-color/single-color; PWM and conventional chips |
| Scan methods | Static to 1/64 scan |
| Grayscale | 0–65536 levels, adjustable |
| Display mode | DVI synchronous display |
| Video input | 1 × DVI |
| LED outputs | 2 × 1000M RJ45 |
| Other input-side interfaces | 5 V power terminal; USB 2.0 × 1; PCI finger × 1; serial cascade × 1; audio × 1 |
| Cascade output | 1 × serial cascade |
| Working temperature | −20°C to 80°C |
| Power | 5 W |
Multi-Card Configuration
Serial cascading supports configuration of multiple sending cards and higher-resolution screen control. Check the required scan mode, resolution and refresh rate alongside the module type before selecting the card.
Frequently Asked Questions
What video input does the HD-T901S use?
It uses one DVI input for synchronous display and provides two 1000M RJ45 outputs.
Does the T901S support 1/64 scan modules?
Yes. The listed scanning range is static to 1/64 scan, with support for PWM and conventional chips.
Is the loading capacity the same at 30 Hz and 60 Hz?
No. The product lists different resolution modes for each refresh rate. Examples include 1280 × 1024 at 60 Hz and 2048 × 1024 at 30 Hz. Use a listed mode for the intended screen.
Can multiple sending cards be cascaded?
Yes. Serial cascading supports configuration of multiple sending cards and higher-resolution screen control.
Can it control single-color LED modules?
Yes. The card is listed for indoor and outdoor single-color and full-color modules.




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