InLine® USB to Serial RS-232 Converter, USB-A to 4-pin Terminal

The InLine® USB to Serial RS-232 Converter connects computers with a USB-A port to devices that use a serial RS-232 interface via a 4-pin screw terminal. It features the FTDI FT232RNL chipset for stable data transmission through a virtual COM port, supporting baud rates from 300 to 921,600 bps. This adapter is suitable for configuration, diagnostics, maintenance, and data transfer with measuring instruments, laboratory equipment, network components, and machine controls.

Key features

• Connects USB-A to RS-232 devices via 4-pin screw terminal
• FTDI FT232RNL chipset for reliable virtual COM port communication
• Supports baud rates from 300 to 921,600 bps
• Pin configuration: GND, TX, RX, and additional GND (internally connected)
• USB protection: 200 mA PTC fuse and ESD protection
• RS-232 protection: TVS diode and protective diodes
• Status indicators for power, transmit, and receive (PWR, TXD, RXD)
• Compatible with Windows 7/8/8.1/10/11, Linux, macOS, and Android

Specifications

• Brand: InLine
• MPN: 33307A
• Product type: USB to Serial Adapter
• Serial interface type: RS-232
• Chipset: FTDI FT232RNL
• Host connection: USB-A male
• Device connection: RS-232 female (4-pin screw terminal)
• Pin configuration: GND, TX, RX, GND
• Baud rate: 300 to 921,600 bps
• Transmission mode: Point-to-point
• Maximum RS-232 cable length: up to approx. 15 m
• Maximum USB cable length: up to approx. 5 m
• USB protection: 200 mA PTC fuse, ESD protection
• RS-232 protection: TVS diode, protective diodes
• Status indicators: PWR, TXD, RXD
• Supported operating systems: Windows 7/8/8.1/10/11, Linux, macOS, Android
• Operating temperature: -15 °C to +70 °C
• Humidity: 5 % to 95 % RH, non-condensing
• Country of origin: China
• Customs tariff number: 8536699099