StarTech.com RS232, RS422, RS485 USB B Male to DB-9 Female Interface Converter

When serial devices don't see eye-to-eye with your USB-enabled computer, use this converter from StarTech.com. It has one USB port for hooking it up to your computing equipment and four RS232 ports to plug in sensors, barcode scanners and digital signs. The converter comes with built-in wall-mounting brackets and a DIN rail kit, so you can choose how to mount it.

Rugged chassisThis converter has a metal case to tough out industrial environments. An IP30 rating means tools and wires won't get inside.
Speed highwayIts universal asynchronous receiver-transmitter gives you fast data transfer rates of up to 921Kbps.

• Supports four-wire RS232 and RS422 and two-wire RS485 devices
• Screw-locking USB connection prevents disconnection from snagging
• Windows, MAC and Linux compatibility
• Plug-and-play installation

Does this converter have ESD protection?Yes. This converter has 15kV ESD protection to safeguard against voltage spikes and noise.

FTDI

FT4232H

RS-232/422/485

921.6kbit/s