描述
MTB400E‑D is a cost‑effective standalone LED display controller (main controller) independently developed for LED screens. It loads up to 2.6 million pixels and combines powerful processing, high stability and excellent value — a practical choice for fixed installations, advertising screens and rental cabinets.
Key Features
- 2.6 million pixel loading capacity on a single card.
- Multiple inputs: 1 × HDMI 1.4 (up to 3840×2160@30Hz) and 1 × DVI (up to 1920×1200@60Hz).
- 4 × Gigabit Ethernet outputs, supporting free splicing up, down, left and right.
- Reliable by design: port loopback redundancy and dual‑controller backup.
- Audio over Ethernet: audio input is transmitted synchronously through the network cable — no separate audio run needed.
- Flexible frame rates: compatible with 30Hz, 50Hz, 60Hz and 120Hz inputs.
- EDID management and configuration parameter readback.
- ST_EXT expansion board support for cascade brightness control and automatic brightness adjustment.
- Monitoring and diagnostics: upper‑computer software monitors the running parameters and status of the sending card; Gigabit Ethernet bit‑error‑rate detection helps trace link problems.
- Serial control: UART IN/OUT plus a 3D interface and photoelectric sensor interface on the expansion connector.
Specifications
| Loading capacity — single network port | Up to 655,360 pixels; port load mode (W × H): 1280 × 512 |
| Loading capacity — whole card | 2.6 million pixels |
| Bandwidth range | Width 128–4096 pixels; height 64–4096 pixels |
| Offset range | Width 0–4096 pixels; height 0–4096 pixels |
| Input interfaces | 1 × HDMI 1.4 (3840×2160@30Hz), 1 × DVI (1920×1200@60Hz), 1 × 3.5mm audio input |
| Output interfaces | 4 × Gigabit Ethernet ports, each up to 650,000 pixels; supports port loopback redundancy; only Port1 supports port output transmission |
| Control interfaces | 1 × LAN Gigabit Ethernet (to upper computer for debugging), 1 × USB Type‑B |
| Expansion interfaces | UART IN/OUT, 3D, SENSOR (photoelectric sensor) |
| Power | AC 100–240V ~ 50/60Hz, rated power 16W |
| Operating environment | −20°C ~ 60°C, 10%RH ~ 90%RH (non‑condensing) |
| Storage environment | −20°C ~ 70°C |
| Chassis dimensions | 480.05mm × 285.9mm × 53mm (including ears and base) |
| Net weight | 2.83kg (single device) |
| Gross weight | 3.94kg (including accessories and package) |
| Package dimensions | 515mm × 130mm × 355mm |
| Packing quantity | 3 units / box |
Packing List
- 1 × Power cable
- 1 × USB cable
- 1 × DVI cable
- 1 × HDMI cable
- 1 × Certificate
Precautions
- High voltage hazard — the operating voltage of this product is AC 100V–240V.
- Keep liquids and metal debris away from the device to avoid accidents.
- Keep the device in a dry and clean environment.
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