Serial Cards & AdaptersIf you're looking for a simple, cost-effective way to connect serial devices in your industrial application or server room, our Serial Cards and Adapters make it easy to add Serial ports (RS-232, RS-422, RS-485 etc.) to your computer through common expansion ports such as PCI and PCI Express, as well as through USB.
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Convert an RS232 data signal to either RS485 or RS422 with this wall-mountable, ESD-protected adapter
11+ In stock
Add 2 high-speed RS-232 Serial ports to your notebook computer via an ExpressCard slot
Add a high-speed RS-232 Serial port to your laptop computer via an ExpressCard expansion slot
44+ In stock
Add a USB-based RS232 Serial port to your laptop through an ExpressCard slot