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USB to Serial Adapters (RS232, RS422 & RS485)


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BeagleBone Black USB Expansion RS232 Module Cape
BeagleBone I/O Module with automatic recognition of USB ports and SD card when installed ( a mini PC). Utilizes GL852G USB 2.0 MTT Hub controller to expand the single USB port connections. Provides two high-speed RS-232 serial interfaces allows for stacking for additional serial ports.
Part No. USB-2COM-BB | View Details
$37.95
USB TTL 5V / 3.3V RS232 adapter with LED indicators
USB TTL adapter with integrated USB type-A port incorporates a 6-wire terminal block and individual wires with TTL header pin connectors to connect as you see fit. The voltage of 5V or 3.3V is set by jumper settings on the circuit board anf supports RS232 signals GND, CTS#, RTS#, TxD, RxD, and VCC with LED indicators for power, TxD, and RxD.
Part No. USB-6WTTL | View Details
$14.95
USB2 to 8-Port RS232-422-485 Serial TB Adapter Isolation | Surge
8 Optically Isolated and Surge Protected serial ports, The USB2-8COMi-SI-TB is a USB 2 to 8-port industrial serial adapter that protects you device(s) with optical Isolation, 15KV ESD protection.
Part No. USB2-8COMi-SI-TB | View Details
$289.95
USB 2.0 to 4-Port RS232-422-485 Serial TB Adapter Isolation | Surge
4 optically isolated and surge protected terminal block ports, The USB2-4COMi-SI-TB is a USB 2 to 4-port industrial serial adapter that protects you device(s) with optical Isolation, 15KV ESD.
Part No. USB2-4COMi-SI-TB | View Details
$189.95
USB2 to 8-Port RS232-422-485 Serial TB Adapter
8 RS-232/422/485 ports with terminal block connection, the USB2-8COMi-TB is a USB2 to 8-port industrial serial adapter that protects your device(s) with 15KV ESD protection and 600W surge protection.
Part No. USB2-8COMi-TB | View Details
$239.95
Isolated USB to 2-Port RS232 / 422 / 485 Serial DB-9 Adapter
Isolated RS232 / 422 / 485 Serial Signal, The CM-422485DB-i2 Isolated USB to 2-Port serial interface adapter features 2.5kV isolation to ensure 2 serial devices by DB-9 port connected require long range or multi-drop.
Part No. CM-422485DB-i2 | View Details
$129.99
Isolated USB to RS232 RS422 RS485 Mountable Terminal Block Adapter
RS232 / 422 / 485 Isolated Terminal block adapter, The CM-422485-TBi Isolated USB to serial interface adapter features 2.5kV isolation to ensure these serial devices via the terminal block.
Part No. CM-422485-TBi | View Details
$89.99
4-Port DB-9 Male Isolated USB to RS422 RS485 Serial Adapter
4-Port RS232 / RS422 / RS485 Isolated Adapter, The CM-422485-i4 Isolated USB to 4-Port serial interface adapter features 2.5kV isolation to ensure 4 serial devices by DB-9 port connected.
Part No. CM-422485-i4 | View Details
$199.99
Isolated USB to RS-232 / RS-422 / RS-485 Adapter DB-9 Male
Isolated RS232 / RS422 / RS485, The CM-422485-i Isolated USB to serial interface adapter features 2.5kV isolation to ensure these serial devices by DB-9 port connected require long range or multi-drop capabilities won’t be damaged between the PC and serial applications.
Part No. CM-422485-i | View Details
$69.99
GearMo Windows 10, 8, 7 Compatible USB Serial Adapter FTDI Chip RS232 DB-9 920K with TX/RX LED
This USB 2.0 RS-232 Serial Adapter is the easiest way to add a serial port to your computer. Newer computers today are unequipped to support peripherals requiring a serial RS-232 connection because they lack serial ports; this affects PDA, digital camera, and GPS type equipment that may be used on your system.
Part No. GM-FTDI-LED | View Details
$22.95
DB9 to Terminal Block 5 Pin Passive Adapter
Passive DB9 Connect to 5-Pin Terminal Converter, The US-485TBP is a serial DB9 to Terminal signal converter from RS232 to a RS485 interface designed for PC, Workstation, Thin Client or.
Part No. US-485TBP | View Details
$19.95
USB RS485 Adapter to RJ45 FTDI chip inside
USB to RS-485 adapter provides an extra Serial Com port via USB connection and can be configured to work with RS-485 peripherals such as POS and Industrial Control devices.
Part No. USB-RS485-RJ | View Details
$15.09
USB to RS-485 Adapter W/Terminal Block Changer FTDI chip inside
Professional grade USB to RS485 Converter optimized for Windows 7/8/10 and Server 2003/2008. High-Speed and Interface compliance,USB1.1,2.0,3.0, EIA/TIA RS-485.
Part No. USB-RS485-AT | View Details
$18.09
Industrial Professional USB Serial Adapter RS232 FTDI with 5Volt Out
USB Serial Adapter RS232 with 5Volt Output Option on Pin9 Selectable Via Jumper, Great for Barcode Scanners and POS devices. FTDI Chip with Windows 7 Drivers Supports Windows 7 and Vista (32 and 64-bit)
Part No. USBG-COM-X | View Details
$17.29
USB 2.0 Industrial Adapter User Selectable RS232/422/485 FTDI Chip
USB-COMi+ (USB-COMiPLUS) 1-Port RS-232/422/485 USB-to-Serial Adapter features Easy Mode Setting by Hidden DIP Switch Adds one RS-232, RS-422 or RS-485 serial port by connecting to a USB.
Part No. USB-COMiPLUS | View Details
$46.99
FTDI Hi-Speed USB to Serial RS-422/RS-485 Industrial Single Port Adapter for Windows
The USB-COMi-TB USB-to-RS-422/485 Industrial Serial Adapter is designed to make industrial communication port expansion quick and simple. Connecting to a USB port on your computer or USB hub.
Part No. USB-COMi-TB | View Details
$47.00
FTDI 6ft. Long USB to Serial Adapter Cable with Screws and Three LED display
FTDI Unique USB to serial adapter cable with screw style db-9 male connector and shielded 6ft. long USB cable that uses the FTDI Chip it also has three color LED display/.
Part No. USBG-6ft232-STF | View Details
$21.23
FTDI 10ft. Long USB to Serial Adapter Cable with Screws and Three LED display
FTDI Unique 10ft. USB to serial adapter cable with screw style db-9 male connector and shielded 10ft. long USB cable that uses the FTDI Chip it also has three color LED display.
Part No. USBG-10ft232-STF | View Details
$26.23
10ft. Long USB to Serial Adapter Cable with Screws and Three LED display
Unique 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.
Part No. USBG-3M232-STP | View Details
$16.23
USB to RS-232 DB-9 serial adapter - COM port retention Win/Mac/Linux
USB to RS232 Professional, this is the Best and most reliable USB to RS232 adapter anywhere backed by a Five Year Warranty from a USB Company that has been selling USB product for over a decade.
Part No. USB-TO-SERIAL-PRO | View Details
$24.95
RS-232 to RS-485 Converter
This RS232 to RS485 converter is compatible with the RS232C and RS485 standard. It is able to convert RS232 signals to RS485 balanced differential signals and extend the communication distance to 1.2 km.
Part No. US-485C | View Details
$24.95
8 Port USB to RS-232/422/485 Auto Setup Adapter for Windows & Linux
8 Port RS232/422/485, software configurable VScom USB-8COM PRO Transfer Speed up to 921.6kbps RS232, up to 3Mbps RS422/RS485 USB PRO Series Software & Hardware Configurable.
Part No. USBG-8COM-PRO | View Details
$499.98
4 Port USB to RS-232/422/485 Auto Setup Adapter for Windows Linux and Mac
4 Port RS232/422/485, software configurable VScom USB-4COM-PRO Transfer Speed up to 921.6kbps RS232, up to 3Mbps RS422/RS485 with Metal case and DIN-Rail mountable.
Part No. USBG-4COM-PRO | View Details
$299.98
2 Port USB to RS-232/422/485 Auto Setup Adapter for Windows Linux and Mac
Windows 10, 7/8 Certified Drivers Provided, 2 Port RS232/422/485, software configurable VScom USB-2COM PRO with transfer Speed up to 921.6kbps RS232, up to 3Mbps RS422/RS485.
Part No. USBG-2COM-PRO | View Details
$159.98
USB to RS-232/422/485 Auto Setup Adapter for Windows Linux and Mac
1 Port RS232/422/485, software configurable USB to Serial Adapter. Overview: Serial ports on USB allow further use of existing devices, even when the computer doesn't offer serial ports.
Part No. USBG-COM-PRO | View Details
$89.98
15ft. Dual DB-9 USB Serial DB-9 RS-232 Adapter for XP/2000/2003/Vista
  • Supports windows 7 (32 and 64-Bit)
  • 15ft. Long Range Active Repeater Cable Dual RS-232 DB-9 Serial Adapter with Prolific Chip. Bus powered for Standard USB To 2 RS-232 Adapter Easy to in...
  • Part No. USBG-2XP2 | View Details
    $59.95
    USB RS-232 Industrial Adapter Isolated and Surge Protected FTDI Chip
    USB Optical isolation & surge protection Adapter RS-232 USB to RS-232 Adapter provides 1 RS232 Serial Port over USB Port, easy Serial Port Expansion over USB Port.
    Part No. USBG-SSRS1 | View Details
    $59.78
    USB-8COMi-RM USB to Octal RS-232/422/485 adapter metal case w/DIN-Rail
    This Industrial Grade Rack Mount 8-Port USB Serial Adaptor Metal Case with Built-In 100-240Volt Power Supply uses FTDI chip USB serial Converters part number FT2232C.
    Part No. USB-8COMi-RM | View Details
    $289.78
    1-Port USB to RS-232 Selectable RS-422 or RS-485 Industrial Adapter
    Expand your serial port out with this RS232, RS422, RS485 adapter by plugging the Adapter to the USB port, the adapter is automatically detected and installed as a standard Windows COM port ready for use. Provides a unique feature of supplying power output of 5V/150mA through pin-5 of the terminal block to serial device
    Part No. USB-COMi-M | View Details
    $54.89
    Serial Gear USB BAY-4 Port Serial DB-9 RS-232 Adapter with FTDI Chipset
    USB bay docking USBG-BAY4 serial adapter box supports Windows 7 and Vista (32 and 64-Bit) RS232 Port X 4 feature a rugged metal enclosure! Multiple modules can be added to a single USB interface allowing you to add RS232 connectivity as needed.
    Part No. USBG-BAY4 | View Details
    $85.12
    USB to four serial port converter with DB9 (9-pin male) connectors. RS-422/RS-485
    USB-4COMi l Adds four high speed RS-422 ports via USB connection l 384 byte receive buffer l 128 byte transmit buffer for high data throughput l Data rates: 300 bps to 2...
    Part No. USB-4COM-I | View Details
    $139.98
    Windows 8 USB Serial Adapter RS-232 Serial Adapter DB-9 Male works with all Windows and Mac
    USB Serial Adapter Supports Windows 8, 7 and Vista (32 and 64-Bit) Install as a standard Windows COM port, Full RS-232 modem control signals, RS-232 data signals; TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND.
    Part No. USBG-232 | View Details
    $18.09