 Convert a USB port into up to 16 serial ports
 USB Serial Adapters / USB Serial Converters
(RS-232/RS-422/RS-485)
• Links to the USB serial adapters with pricing are at the bottom of this page.
Our USB serial port adapters convert a USB port into 1, 2, 4, 8, 16 or 32 serial ports
These USB Serial Adapters and USB serial cables are designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB to Serial Adapters instantly add serial communication ports to your system. By taking advantage of the USB bus, the USB to Serial Adapters makes it easier than ever to add serial ports and serial devices to your system with easy plug-and-play and hot plug features. When you plug the USB Serial Port Adapter into the USB port, the converter is automatically detected. There are no IRQ & COM port conflicts since the USB to serial port cable doesn't require any additional IRQ, DMA, or memory as resources on the system.
The USB Serial Port Adapter provides instant connectivity with modems, ISDN TAs, PDS, handheld & pocket PCs, digital cameras, POS, serial printers, etc. It is suitable for remote access, retail and industrial applications, data collection and other applications requiring a high speed serial communications port.
 1 port RS-232 USB serial adapters (9-pin).
1 port RS-232 USB serial adapters (25-pin).
2 port RS-232 USB serial adapters (9-pin).
4 port RS-232 USB serial adapters (9-pin).
8 port RS-232 USB serial adapters (9-pin).
16 port RS-232 USB serial adapters (9-pin).
32 port RS-232 USB serial adapters (9-pin).
1 port RS-422/RS-485 USB serial adapters (9-pin).
2 port RS-422/RS-485 USB serial adapters (9-pin).
4 port RS-422/RS-485 USB serial adapters (9-pin).
8 port RS-422/RS-485 USB serial adapters (9-pin).
1 serial DB9 (9-pin male) RS-232, 1 parallel DB25 (25-pin female), 2 PS/2, 1 file transfer port, 1 ethernet & 2 USB ports adapter.
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