Appearing as a standard COM port to the host computer, the SeaLink+232-DB9 single-port USB-to-RS-232 adapter enables setup and provides compatibility with legacy software. The device features a programmable baud rate and data formats with 128-byte transmitter and 384-byte receiver buffers. Compatible with all standard PC baud rates, the USB adapter supports 921.6-kbps communication. Powered by the USB port, the adapter provides status LEDs molded into the enclosure, indicating serial-data activity and connection to the host. The SeaLink adapter costs $79.

Sealevel Systems, www.sealevel.com