STARTECH.COM ST ICUSB234854I - Converter USB A to 4 x Seriell RS232, RS422, RS485

• converts a single USB port into four RS232/RS422/RS485 serial ports over USB 2.0 with four modes: RS232, RS422, 4-wire and 2-wire RS485
• 15 kV ESD protection (Level 4) against noise emissions and electrical voltage surges
• DIN rail and wall mountable
• rugged IP30 rated metal hub housing and screw-locking host connection, ideal for harsh industrial environments
• Data transfer rate up to 921.6Kbps

Add four ports supporting three serial protocols, to easily connect serial devices to your computer through USB, with 15kV ESD protection
Add four extra COM ports to your laptop or desktop computer, quickly and easily. This USB to RS232/422/485 serial adapter lets you connect to your serial devices through an external USB port.

The serial adapter offers flexible mounting options, with a built-in wall-mounting bracket and included DIN rail mounting kit. It features a screw-locking host connection plus a screw-locking USB-B connector on the included USB cable. ...