| Product Type | USB to Serial RS232 Adapter Cable | 
| Manufacturer | StarTech | 
| Part Number | ICUSB2321X | 
| Form Factor | External Cable Adapter | 
| Chipset | TI USB3410 | 
| Color | Black | 
| Cable Length | 12 in (30 cm) | 
| Weight | 72 g (2.5 oz) | 
| Power Source | USB-powered | 
| Supported Operating Systems | Windows XP to Windows 10 (REV2 only), not macOS, Linux, ChromeOS | 
| COM Port Retention | Yes | 
StarTech 1 Port USB 2.0 to Serial RS232 Adapter Cable, 12in, ICUSB2321X
 
 
 
 

Key Benefits
 
            
            
              
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- Ensures legacy device connectivity with modern USB ports using RS232 protocol.
- Ideal for secure government or enterprise use thanks to TAA compliance and Taiwan-based manufacturing.
- Simplifies deployment with plug-and-play functionality and support for COM retention in Windows.
Product Overview
USB to serial RS232 (DB9) adapter for Windows; Windows 8.1 & up is only supported by REV2 - Does not support macOS, ChromeOS, Linux - COM retention - Simple install / operation - 12in (30cm); TIUSB3410 Chipset; Dual buffers for data transfer; TAASpecifications
                      Product Overview
                      
                    
                    
                      Physical & Environmental
                      
                    
                    | Enclosure Type | Plastic | 
| Connector Plating | Nickel | 
| Cable Jacket Material | PVC - Polyvinyl Chloride | 
| Operating Temperature | 0°C to 50°C (32°F to 122°F) | 
| Storage Temperature | -10°C to 70°C (14°F to 158°F) | 
| Humidity | 5% to 95% RH, non-condensing | 
                      Cloud Management & Licensing
                      
                    
                    | Driver Installation | Manual or automatic via Windows Update | 
| Bundled Software | Driver software included or downloadable | 
                      Interfaces
                      
                    
                    | Interface Type | USB 2.0 to RS-232 (DB9) | 
| Port Count | 1 Serial Port | 
| Connector A | USB Type-A Male | 
| Connector B | DB9 Male (RS-232) | 
| Baud Rate / Data Transfer Rate | Up to 128 Kbps | 
| Data Bits | 5, 6, 7, 8 | 
| Stop Bits | 1, 1.5, 2 | 
| Parity | None, Even, Odd, Mark, Space | 
| FIFO Buffer | 512 Bytes Transmit, 512 Bytes Receive | 
| Flow Control | Xon/Xoff, RTS/CTS, DSR/DTR | 
                      Compliance & Origin
                      
                    
                    | TAA Compliant | Yes | 
| Country of Origin | Taiwan | 
| Certifications | CE, FCC, RoHS | 
| Warranty | 2 Years | 
| UPC | 065030827270 | 
                      Advanced Security Features
                      
                    
                    | Secure Data Transmission | No encryption, standard RS-232 protocol | 
 
               
     
     
     
    