Description

This USB to 3.5mm Audio Jack Serial Cable features the industry-standard FTDI FT232R​ chipset, converting USB signals to 3.3V UART (TTL) level signals via a standard 3.5mm (1/8") audio jack connector.

Designed for developers and engineers, this cable provides a reliable serial console interface for network routers with the popular audio-jack serial console interface. It installs as a Virtual COM Port (VCP), supporting data rates up to 3M baud, making it an essential tool for CLI access, firmware flashing, and field diagnostics.

Specifications

• Product Type: TTL-232R-3V3-AJ Serial Cable
• Host Interface: USB-A Male
• Device Interface: 3.5mm (1/8") Stereo Audio Jack
• Logic Level: 3.3V TTL
• Converter Chipset: FTDI FT232R
  
• Wire Gauge: Typical 28 AWG
  
• Shielding: Foil Shielded (Industrial Grade)
• Jacket: PVC, Black (other colors on request)
  
• Lengths: Standard 1.8 m (custom lengths available)
• Power Design: Bus-powered via USB port
• Output Pins (Audio Jack): Tx, Rx, GND (no VCC, no RTS/CTS)
• Data Rate: 300 baud to 3M baud (configurable)
  
• OS Support: Windows, Linux, Mac, Android (J2xx/D2xx)
  
• Compliance: FCC, CE, UKCA, RoHS, REACH