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Industrial Isolated USB to RS232/485/TTL Converter FT232RNL (Aluminum Case)
- Chipset: FT232RNL (original FTDI) – Ensures low latency and absolute driver compatibility.
- Dual isolation: Integrated power isolation and signal isolation (Digital Isolation), safe for devices.
- Versatile: Converts USB to 3 common communication standards: RS232, RS485, TTL.
- Protection: Lightning protection, anti-electric shock, ESD 15KV protection and overcurrent.
- Design: Durable CNC aluminum alloy housing, with LED status indicator.
- Operating system: Supports Windows 11/10/8/7, Mac, Linux, Android.
Industrial Grade Isolation
FT232RNL USB to RS232 / 485 / TTL
Comprehensive industrial communication solution featuring double isolation technology, a durable CNC aluminum enclosure, and a genuine FTDI chipset.
Multi-Layer Protection Architecture
*High-quality circuit design with original chips and dedicated protection components.
1. Double Isolation
Distinct from standard models: Integrates Power isolation and Digital signal isolation in a unibody design. Effectively prevents electromagnetic interference and provides complete protection for the computer's USB port.
2. FT232RNL Chipset (FTDI)
Powered by a genuine UK-origin chip. Ensures zero-delay automatic data flow control and optimal driver compatibility across Windows/Linux/Mac.
3. Output Protection
Ultimate protection layer includes: Gas discharge tube, TVS Diode, and resettable fuse. Features 600W lightning protection, surge protection, and up to 15KV ESD protection.
Pinout Connection Diagram
RS485 & TTL Interface
RS232 Interface (DB9)
Speed & Durability Comparison
Maximum Transmission Speed (Baud Rate)
RS232 (Conventional)
921.6 Kbps
921.6 Kbps
RS485 / TTL (Industrial)
2 Mbps (2000 Kbps)
2 Mbps (2000 Kbps)
* RS485 and TTL support twice the speed of standard RS232.
Operating Temperature
-15℃ to 70℃
Stable operation in harsh environments (Cold storage, high-temperature factories).
Detailed Technical Specifications
| Feature | RS232 | RS485 | TTL (UART) |
|---|---|---|---|
| Connector | DB9 Male | Screw Terminal (A+, B-) | Screw Terminal (TX, RX) |
| Speed (Baud) | 300 bps – 921.6 Kbps | 300 bps – 2 Mbps | 300 bps – 2 Mbps |
| Transmission Mode | Point-to-Point | Multi-point (32 nodes) | Point-to-Point |
| Protection | TVS Diode, ESD | 600W Surge Protection, 15KV ESD | Clamping Diode, Overvoltage Protection |
Operating System Support
✅ Windows 11 / 10 / 8.1 / 8 / 7
✅ Mac OS
✅ Linux / Android
Package includes
- 1x FT232RNL converter
- 1x High-quality USB cable (~1.2m)
- 1x Small screwdriver (if included in update)
Product Dimensions
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