Reference: RBD-2858
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The RS422 to TTL Power Supply Converter Board is a high-performance interface module designed for long-distance serial communication. Built with the original MAX490 chip, it ensures stable and reliable operation at speeds up to 2.5Mbps. The module supports two-way communication over distances of up to 1000 meters while providing robust protection features such as 15KV ESD protection, TVS diode surge suppression, and current limiting resistors. With a 120Ω termination resistor to minimize interference, and indicator LEDs for power and data transmission, it offers a simple and effective solution for industrial, automation, and embedded communication applications requiring RS422 to TTL conversion. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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RS422 interface with bidirectional communication.
Long-distance communication up to 1000 meters.
ESD 15KV protection for safe operation.
TVS diode for lightning and surge protection.
Onboard 10Ω current limiting resistor for extra safety.
Integrated 120Ω termination resistor reduces communication noise.
Indicator LEDs for power, data sending, and receiving status.
TTL side powered by 5V DC, fully compatible with 5V logic.
Based on MAX490 chip for superior stability and speed.
Supports communication speeds up to 2.5Mbps.
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Industrial long-distance data communication.
Automation and control systems.
Microcontroller-to-sensor communication over RS422.
Robotics requiring robust communication interfaces.
Educational projects for learning serial communication.
Embedded systems needing noise-resistant data links.
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| General Specifications | |
| Interface | RS422 ↔ TTL |
| Communication Direction | Two-way |
| Transmission Distance | Up to 1000 meters |
| Communication Speed | Up to 2.5Mbps |
| ESD Protection | 15KV |
| Surge Protection | TVS diode |
| Current Limiting | 10Ω resistor |
| Termination Resistor | 120Ω |
| TTL Logic Level | 5V compatible |
| Power Supply (TTL side) | 5V DC |
| Indicator LEDs | Power, TX, RX |
| Core IC | MAX490 (imported) |
| Shipment Weight | 0.0094 kg |
| Shipment Dimensions | 6 × 3 × 2 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x RS422 to TTL Power Supply Converter Board
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