HD-T08F 4K LED sending box with optical outputs
The Huidu HD-T08F combines eight Gigabit LED outputs with two 10G optical copy outputs. It accepts HDMI 2.0 or DP 1.4 video up to 4096 × 2160 at 60 Hz and supports an LED load of up to 5.2 million pixels.
Optical transmission and source monitoring
Each SFP output carries the data from eight Gigabit ports. SFP1 and SFP2 mirror that output, so using both does not add independent pixel capacity. The single-mode dual-core optical connection supports longer cable runs with compatible receiving equipment; the specification does not give a numerical distance limit.
HDMI OUT provides a preview of the displayed content. Source selection, black screen and freeze are available on the front panel, while USB-B, RS232 and standard Wi-Fi provide configuration and control options. Wi-Fi is specified for wireless control from PC software.
HD-T08F specifications
| LED capacity | 5.2 million pixels total |
|---|---|
| Gigabit outputs | 8 ports; 650,000 pixels per port |
| Optical outputs | 2 × 10G SFP; single-mode dual-core; SFP1 and SFP2 copy output, each carrying data for 8 Gigabit ports |
| Maximum LED dimensions | 8192 pixels wide or 8192 pixels high; independent limits within total capacity |
| Per-port dimensions | Maximum width 4096 pixels or maximum height 2048 pixels, within the 650,000-pixel port limit |
| Video inputs | 1 × HDMI 2.0 and 1 × DP 1.4, backward compatible; each up to 4096 × 2160 at 60 Hz |
| Custom input examples | 8192 × 1080 at 60 Hz or 1080 × 8192 at 60 Hz; input acceptance does not increase the LED output capacity |
| Preview output | 1 × HDMI OUT for monitoring displayed content |
| Audio | 1 × TRS 3.5 mm two-channel input; network port 1 transmits audio to a multifunction card |
| Control | USB-B computer configuration, RS232 through RJ45, standard Wi-Fi for PC software wireless control, external IR extension connection |
| Display functions | Pixel-to-pixel display, black screen, freeze and multi-unit splicing |
| Optional accessories | Infrared remote and RJ45-to-DB9 serial cable |
| Power | AC 100–240 V, 50/60 Hz; 30 W |
| Chassis / dimensions / net weight | 1U; 480 × 44 × 240 mm (W × H × D); 3.1 kg |
| Operating conditions | −20 to 60°C; 20–90% RH, non-condensing |
Values follow the linked HD-T08F V1.0 specification. Check input timing, LED pixel mapping, port loading and optical equipment separately when planning the system.
Product and connection images


Frequently asked questions
Do the two optical ports double the T08F pixel capacity?
No. SFP1 and SFP2 are copy outputs, and each transmits the data for eight Gigabit ports. The stated total loading capacity remains 5.2 million pixels.
Can it accept a 4K60 HDMI or DP source?
Yes. Both HDMI 2.0 and DP 1.4 are listed for input up to 4096 × 2160 at 60 Hz. Input acceptance and LED output capacity are separate specifications; the LED screen must still fit the 5.2 million-pixel output limit.
What fiber connection is specified?
The specification describes single-mode dual-core 10G optical ports. Confirm compatible optical modules, receiving equipment and fiber for the installation. The linked document does not state a numerical transmission-distance guarantee.
What is the HDMI OUT port for?
It is a preview output for monitoring what is playing on the LED display. Receiving cards connect through the Gigabit outputs or the compatible optical receiving setup.
Can I control the T08F wirelessly and send audio?
Standard Wi-Fi supports PC software wireless control. Audio enters through the 3.5 mm input and is transmitted on network port 1 to a compatible multifunction card. The infrared remote is optional.
Download specifications
Huidu HD-T08F 4K synchronous sending box specification (PDF)


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