🔌 Professional 8-Port USB to RS-232 Serial Adapter
FTDI Chipset | Industrial Grade | Multi-Platform Support
📥 Driver Download
⬇️ Download FTDI Driver (1S/4S/8S/16S)
Compatible with Windows, Linux, Mac OS X, and Android
📋 Technical Specifications
| 🔧 Model | IO-U24232C-8S |
| 💾 Chipset | FTDI (Industry Standard) |
| 🔌 Input Interface | USB 2.0 Type B |
| 📡 Output Interface | 8 × DB9 Male Connectors (RS-232) |
| ⚡ Data Transfer Rate | Up to 230400 bps |
| 📶 Baud Rate | 300 to 230400 (Auto Detection) |
| 🛡️ ESD Protection | ±15kV Surge Protection |
| 💡 LED Indicators | TXD (Transmit) / RXD (Receive) |
| 🔋 Power Supply | DC 5V Adapter / 9-36V DC Terminal Block |
| 🌡️ Operating Temp | -40°C to 85°C (Industrial Grade) |
✨ Key Features
- USB 2.0 High Speed (480 Mbps)
- Full RS-232 Signal Support
- Automatic Direction Control
- ±15kV ESD Protection
- LED Activity Indicators
- Flexible Power Options
- Wide Operating Range
🖥️ System Support
- Windows XP/7/8/10/11
- Windows Server 2003-2019
- Mac OS X
- Linux 2.4+ / x86_64
- Android
- Windows CE 4.2-6.0
🏭 Applications
- POS Printer Terminals
- Networking Systems
- PLC & Instrumentation
- Data Acquisition
- I/O Control Modules
- SCADA Systems
⚙️ Advanced Technical Details
Supported Signals: CD, RXD, TXD, DTR, GND, DSR, RTS, CTS, RI
Flow Control: None / Hardware / Software (XON/XOFF)
UART Configuration: 7/8 bit data, 1/2 stop bits, Odd/Even/Mark/Space/No Parity
Transmission Distance: Up to 5 meters (RS-232) / <5 meters (USB)
Humidity Range: 5% to 95% relative humidity
📦 Package Contents
🔗 Related Serial Solutions
Looking for different port configurations or interface types? Explore our complete range of serial connectivity solutions:
Compact 4-port solution for smaller setups
📡 8-Port RS-422/RS-485 AdapterIndustrial RS-422/485 multi-port solution
💻 PCIe 8-Port RS-232 CardInternal PCIe expansion card option
🔗 Single-Port USB to RS-232 CableSimple 1-port cable solution
→ Browse All USB Serial Adapters |View Complete Serial Card Collection
✅ Why Choose This Adapter?
- Reliable FTDI Chipset: Industry-standard chipset ensures stable, long-term compatibility
- Industrial-Grade Design: Built to withstand harsh environments (-40°C to 85°C)
- Plug & Play: Easy driver installation with comprehensive OS support
- Cost-Effective: Expand 1 USB port into 8 serial ports without adding expansion cards
- Professional Support: Technical documentation and customer service included
❓ Frequently Asked Questions
Q: Do I need to install drivers for this adapter?
A: Yes, FTDI drivers are required for proper operation. Download the driver package from the link above. Most modern operating systems (Windows 10/11, Mac OS X, Linux) include generic FTDI drivers, but we recommend installing the official drivers for optimal performance and full feature support.
Q: Can I use all 8 ports simultaneously?
A: Yes, all 8 RS-232 ports can operate simultaneously. Each port functions independently with its own COM port assignment in your operating system. The USB 2.0 High Speed interface (480 Mbps) provides sufficient bandwidth for concurrent multi-port communication at maximum baud rates.
Q: What COM port numbers will be assigned?
A: COM port numbers are automatically assigned by your operating system when the adapter is first connected. In Windows, you can view and modify COM port assignments through Device Manager under "Ports (COM & LPT)". The adapter will retain the same COM port numbers when reconnected to the same USB port.
Q: Does this adapter require external power?
A: The adapter supports multiple power configurations. It can be bus-powered via USB (suitable for low-power devices), or you can use the included DC 5V power adapter for stable operation with multiple high-power serial devices. For industrial applications, a 9-36V DC terminal block connection is also available.
Q: What is the maximum cable length for RS-232 connections?
A: The adapter supports RS-232 transmission distances up to 5 meters (16 feet) per port. For longer distances, you may need RS-232 signal boosters or consider upgrading to RS-422/RS-485 converters, which support distances up to 1200 meters.
Q: Is this adapter compatible with USB 3.0/3.1 ports?
A: Yes, the adapter is fully backward and forward compatible. While it's designed for USB 2.0, it works perfectly with USB 3.0, 3.1, 3.2, and USB-C ports (with appropriate adapter). USB 3.x ports will automatically negotiate to USB 2.0 High Speed mode.
Q: Can I connect RS-422 or RS-485 devices to this adapter?
A: No, this adapter is designed specifically for RS-232 serial communication. RS-422 and RS-485 use different voltage levels and signaling methods. If you need RS-422/RS-485 support, please check our other product listings for compatible converters.
Q: What warranty and support do you provide?
A: This adapter comes with a 1-year manufacturer warranty covering defects in materials and workmanship. We provide free technical support via email, including driver installation assistance, configuration guidance, and troubleshooting. Extended warranty options are available upon request.
Q: Will this work with my PLC/CNC/industrial equipment?
A: Yes, this adapter is widely used in industrial automation environments. It's compatible with most PLCs, CNCs, HMIs, and industrial controllers that use RS-232 serial communication. The FTDI chipset ensures reliable operation in industrial settings with ±15kV ESD protection and wide operating temperature range (-40°C to 85°C).