Four-Port USB to Serial RS-232/422/485 Adapter


  • Four-port serial communications adapter for USB 1.1 and USB 2.0 host ports
  • Supports field selectable RS-232, RS-422 or RS-485 protocols, per port
  • Includes type FT232BM UART with 384-byte receive/128-byte transmit FIFO buffers
  • Speeds up to 921.6kbps simultaneously
  • Power LED and individual port activity LEDs next to the USB and each COM connector
  • All required power drawn from USB port, no external power adapter required
  • Compact, low profile enclosure

Four-port RS-232 asynchronous serial communication adapter designed for use with any computer system equipped with a USB port

Ordering Guide
USB-COM232-4AFour-Port USB to Serial RS-232/422/485 Adapter

44200 Christy Street,
Fremont, CA 94538 USA
+1 510-403-3399