USB to Serial
USB to Serial Adapters supporting RS232, RS422, and RS485 signals from a USB serial interface, lower OS also supported. USBGear offers the USB to serial interface adapters in single or multiple ports and various configurations including cable length, RS232 TTL (terminal block), and style.
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$43.95Up until now you've had to make a choice between USB to TTL adapters and their voltage with either or selections. This USB to RS232 isolated TTL/CMOS adapter cable eliminates that by allowing you to choose a voltage setting right at the adapter's connection point at the terminal block. Learn More -
$14.29USB to Serial RS-232 DB9 mini adapter with USB 2.0 extension cable is a FTDI based adapter that converts a USB port into a RS232 serial port capable of speeds up to 921,600 bps. It is designed to make serial port expansion easy with plug and play and built-in drivers for older Windows systems. It is installed as a standard Windows COM port. Learn More -
$17.85 As low as: $16.78Unique 3m Prolific USB to serial adapter cable with screw style db-9 male connector and shielded 10ft. long USB cable that uses the Prolific PL-2303 Chip it also has three color LED display. Learn More -
$36.29High speed serial adapter for single port RS232 communication via a USB 2.0 connection utilizing FTDI chipset. Designed with an industrial chassis the serial adapter can be mounted with Din rail brackets and supports LED status indicators for power, TxD, and RxD signals. Learn More -
$19.90RS-232 | 512 Bytes Receive | 512 Bytes Transmit | FTDI
- Expand Your Serial Capabilities: Connect your legacy 9-pin serial device through a USB-A port to add legacy functionality to newer technologies with no serial port connections.
- Safe Connections: Designed with a unique system load reduction feature, the Mini USB to Serial Adapter also offers 15kV ESD protection for connected devices.
- Plug-&-Play: The adapter’s power is drawn from a USB connection for ease of access and is compatible with Windows (up to Win 11), Mac OS, and Linux.
- COM Retention: COM Ports are fully configurable, and after reboots, port assignments are preserved.
- Upstream: 1 USB port, Type A Male Connector
- Downstream: 1 Male DB9, w/ nuts
- LEDs: Power, TX / RX
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$21.95This 3 ft. USB to Serial adapter is a tool of choice when supporting serial peripherals in newer computers without serial support. Now supported by Windows 11, this is an ideal solution for device support.
- LED activity monitoring
- Full support of RS-232 signals
- USB bus powered
- 3ft. cable connection
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$24.95Work smarter, not harder! this serial cable gives you the most simple way of attaching your notebook or desktop to a serial modem, mouse, or PDA. It lets you connect an serial RS232 device to a USB port! Learn More -
$71.38Surge protection and optical isolation RS 422/485 DB9 male ports Speed up to 921.6kbps no external power supply Supports Windows 7 and Vista (32 and 64-Bit) Overview Isolated industrial serial ports on USB connect RS-422 and RS485 devices, used in industrial environment. Learn More -
$20.85Learn MoreRS-232 | 128 Bytes Receive | 256 Bytes Transmit | FTDI
- Expand Your Serial Capabilities: The Mini Serial Adapter can be utilized through an existing USB Port to work with your legacy serial connections. It’s great for newer technologies with no serial port connections.
- Safe Connections: Designed with a unique system load reduction feature, the Mini USB to Serial Adapter also offers 15kV ESD protection for connected devices.
- Upstream: 1 USB port, Type A Male Connector
- Downstream: 1 Male DB9, w/ nuts
- RS-232 Signals: DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS, RI
- Transmit Buffer: 256 Bytes
- Receive Buffer: 128 Bytes
- LEDs: TX / RX
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Regular Price: $18.69
Special Price $16.99
Windows 7/8 Compatible 12 inch FTDI CHIP DB-9 Serial Adapter High Speed USB SERIAL RS-232 Learn More
Recent Reviews
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5.0 out of 5 stars
Very convenient cable.
I got this cable to lengthen a USB cable that was just a bit too
(Review by Gary Pfalzbot) -
5.0 out of 5 stars
Works like it should..
I'm using this to power my T-Mobile modem in my camper off the 12V house
(Review by Larry P) -
5.0 out of 5 stars
Perfect!.
Just what I needed.
(Review by John)