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waveshare USB TO RS232/485/TTL Interface Converter, Industrial Isolation
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MOD-10-015
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WaveShare TTL to RS485 (C) Galvanic Isolated Converter Previous 
The Waveshare USB to RS232/485/TTL Interface Converter is an industrial-grade, isolated converter designed for reliable data communication across multiple interfaces. Supporting RS232, RS485, and TTL protocols, this converter offers a versatile solution for interfacing with different communication systems. It ensures safe operation in harsh environments, with built-in surge and ESD protection for RS232 and RS485 ports. The device features automatic direction control for RS485 and is compatible with various operating systems, making it a practical choice for industrial automation, communication setups, and development projects.
Specifications of Waveshare USB to RS232/485/TTL Interface Converter
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Product Type: Industrial-grade digital isolated converter
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USB:
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Operating Voltage: 5V
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Connector: USB-B
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Protection: 200mA self-recovery fuse, isolated output
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RS232:
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Connector: DB9 male
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Protection: TVS diode, surge protection & ESD protection
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Transmission Mode: Point-to-point
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Baud Rate:
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FT232RL: 300bps ~ 921600bps
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CH343G: Up to 600,000bps
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RS485:
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Connector: Screw terminal (A+/B-/GND)
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Protection: 600W lightningproof, surge suppress, 15KV ESD protection
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Transmission Mode: Point-to-multipoint (up to 32 nodes)
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Baud Rate:
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FT232RL: 300bps ~ 2Mbps
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CH343G: Up to 2Mbps
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TTL (UART):
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Operating Voltage: 3.3V / 5V
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Connector: Screw terminal (TXD, RXD, GND, 5V)
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Protection: Clamp protection diode, over-voltage/negative-voltage proof
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Transmission Mode: Point-to-point
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Baud Rate:
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FT232RL: 300bps ~ 2Mbps
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CH343G: Up to 2Mbps
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Indicators:
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PWR: Red power indicator (lights up when USB connection is detected)
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TXD: Green (lights up when sending data)
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RXD: Blue (lights up when receiving data)
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Operating Environment:
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Temperature: -15°C ~ 70°C
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Humidity: 5%RH ~ 95%RH
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OS Support: Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7
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Dimensions: ---
Manufacture of Waveshare USB to RS232/485/TTL Interface Converter
| Interface Type | USB, UART, RS232, RS485 |
|---|---|
| Operating Voltage (V) | 5V |
| Operating Temp (°C) | -15°C ~ 70°C |
| Dimensions (mm) | 85.0 × 75.0 × 20.0 mm |
| Mounting Type | Screw holes |
| Data transmission rate | 300bps ~ 921600bps (RS232), 300bps ~ 2Mbps (RS485/TTL) |
| Weight (g) | 130 |
| Standard | RS232, RS485, TTL |
| Voltage Levels | 3.3V, 5V |
| Chipset | FT232RL, CH343G |
| Protection | TVS diode, 200mA self-recovery fuse, 600W lightningproof, Clamp protection diode, ESD protection, isolated output, over-voltage proof, surge protection |
| Direction | USB-TTL, USB-RS232, USB-RS485 |
| Indicator LEDs | PWR, RXD, TXD |
| Humidity Range | 5%RH ~ 95%RH |
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