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.

USB to Serial

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  1. USB-2COMi-M USB to Dual RS422/RS-485 Industrial Adapter
    Part #USB-2COMi-M
    Support for your existing RS422 and RS485 serial devices doesn’t disappear because your new computer doesn’t have serial ports. The USB-2COMi-M USB to Dual Serial Adapter supports 2 DB9 high speed communication with 128 byte FIFO, Terminal Block and 2-pin DIP Switch mode control.
  2. USB 2.0 Industrial Adapter User Selectable RS232/422/485 FTDI Chip
    Part #USB-COMiPLUS
    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.
  3. 4-Port USB to RS-232 w/ Optical-isolation, Surge Protection, Metal Case
    Part #USB2-4COM-SI-M
    Optical isolation and surge protection are available on serial port and is individually optically isolated with 2000 volt DC optical isolation on 8 signal pins, GND is isolated by 5V DC-to-DC converter. The optical isolation protects your computer from spikes and surges.
    Out of stock
  4. Dual Port DB-9 USB Serial Ultra MINI Adapter with Cable RS-232 X 2
    Part #USBG-232FT-1
    Rating:
    100% of 100
    Supports Windows 10, 8, 7 and Vista (32 and 64-Bit), this USB 2-port Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub.
    $39.99
  5. USB RS-232 Industrial Adapter Isolated and Surge Protected FTDI Chip
    Part #USBG-SSRS1
    Rating:
    90% of 100
    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.
    $79.99
  6. USB to Terminal Wire RS422 RS485 Mini FTDI Plug-in Adapter
    Part #USBG-422MINI
    The USBG-422MINI is a surge and static protected Mini USB to RS-422/485 Plug-in Adapter using terminal wire connection. The USB to Industrial Single RS-422/485 Plug-in Adapter is designed to make port expansion easy.
  7. 2 Port USB to RS-422 /485 Optical Isolated Adapter
    Part #USBG-2COMi-SI-M
    This 2-Port USB to RS-422/485 serial adapter allows you to add two RS-422 or RS-485 serial ports by connecting to a USB port. This adapter offers 2000V optical isolation and 25KV ESD surge protection.
    $169.99
  8. USB to RS-232 Serial Adapter DB9 - 8 Inch Short Cable
    Part #USA-FTDI-8
    Rating:
    80% of 100
    This USB to RS-232 Serial adapter is Windows 11 supported. This standard USB to RS-232 Serial Adapter unit is compatible with most GPS and PDA devices including Garmin, Magellan, and Palm.
    $17.59
  9. USB to RS232 TTL | CMOS Adapter Cable with Terminal Block
    Part #USB-232TTLMOS
    USB to RS232 TTL voltage settings just got easier! Up 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 TTL/CMOS adapter cable eliminates that by allowing you to choose a voltage setting.
  10. USB2 to 8-Port RS232-422-485 Serial TB Adapter Isolation | Surge
    Part #USB2-8COMi-SI-TB
    Rating:
    90% of 100
    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.
  11. USB2 to 8-Port RS232-422-485 Serial TB Adapter
    Part #USB2-8COMi-TB
    Rating:
    90% of 100
    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.
  12. USB 2 to Industrial 4-Port RS232-422-485 Serial TB Adapter
    Part #USB2-4COMi-TB
    4 optically isolated and surge protected terminal block ports, the USB2-4COMi-TB USB to quad port industrial serial adapter is designed to make RS-422 and RS-485 serial port expansion quick and easy.
  13. USB 2.0 to 4-Port RS232-422-485 Serial TB Adapter Isolation | Surge
    Part #USB2-4COMi-SI-TB
    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.
    $239.95
  14. 36 inch USB to Serial RS232 FTDI professional adapter
    Part #GM-FTDI2-A36
    Rating:
    90% of 100
    36 inch rs232 serial adapter with a quality FTDI chipset FT232RL and incorporates a noise reducing ferrite core ring for a clean serial signal. Works with Windows 10 and works with applications such as industrial, lab, and office environments.
  15. NEW
    USB-C 2.0 to Serial RS-232 Adapter w/ LED Indicators
    Part #GM-FTDI2-LED-C
    Rating:
    100% of 100
    USB C to Serial RS232 adapter uses the new type-C USB connector technology for easy, reversible connections. The same great tool of choice when supporting serial peripherals in newer computers without serial support with a C port host. Supported by Windows 11, this is an ideal solution for serial device support.
    $32.98
  16. USB C to RS-232 6FT Serial Adapter Black w/FTDI Chipset DB9 male
    Part #USBG-232MM-C
    USBgear's new USB C to Serial Adapter an existing USB Type-C Port, the adapter can be utilized to work with your legacy serial connections. It’s great for newer Laptop and PC technologies with no serial port connections that incorporate USB Type-C ports.
  17. USB C to Serial FTDI Adapter Black for Windows 10 Fully Supported!
    Part #USBG-232-C
    USBGear 12 inch USB C to Serial Adapter fully supported by Windows 10 operating system! Using your new laptop for USB C to Serial applications is completely seamless. You can plug our new USB C to serial adapter in and install it with no problems.
  18. Industrial 8-Port DB9 RS232 to USB Adapter with FTDI Chip 921.6Kbps
    Part #CS-42082
    Windows 10 industrial 8-Port DB-9 RS-232 Serial Adapter with high speed FTDI Chip at 921.6Kbps. Provides for scalability with newer USB technologies in a compact design. Constructed with a rugged metal case and DSUB-9 RS232 connectors.
    $179.95
  19. -70%
    USB to RS-422 Converter Adapter Cable Gray
    Part #UTS-422
    3ft gray USB to RS-422 serial converter adapter is designed for rugged application areas with its strong molded enclosure, can be configured for both RS-422 and RS-485 and are fully compliant with USB specifications 1.1 and 2.0 with transfer rates of up to 3Mbps.
    was $32.95 Special Price $9.89
    Out of stock
  20. -70%
    USB to RS-485 Converter Adapter Cable Black
    Part #UTS-485
    3ft black USB to RS-422 serial converter adapter is designed for rugged application areas with its strong molded enclosure, can be configured for both RS-422 and RS-485 and are fully compliant with USB specifications 1.1 and 2.0 with transfer rates of up to 3Mbps.
    was $32.95 Special Price $9.89
  21. USB Industrial 2-Port Serial RS-232 w/FTDI Chipset, RX/TX LED Indicators, DIN Rail Mount Bracket, & Surface Mounting Brackets
    Part #GM-FTDI2X-M
    Rating:
    100% of 100
    2-port USB to Serial 9 Pin RS-232 Industrial adapter with Surface or Din Rail mounting Configuration. Surface Visible Power and Activity LED's for easy diagnostic review. Utilizes FT2232H FTDI Chip set Automatically configures the additional COM ports Plug and Play allows easy installation Perfect for connecting serial modems, bar code scanners, CNC routers, and others R...Read More
    $54.95
  22. Industrial USB 4 Port Serial RS-232 adapter w/FTDI Chipset, COM Retention, RX/TX LED Indicators, DIN Rail Mount Bracket, & Surface Mounting Brackets
    Part #GM-FTDI4X-M
    Gearmo USB 4 Port Serial RS232 featuring FTDI Chipset with LED Indicators Industrial Version
    $82.49
  23. 1 Port USB to Serial RS-232 Hub w/ FTDI Chipset & LED Indicators - Rugged Metal Housing Ideal for Mounting
    Part #GM-FTDI1X-M
    Gearmo Single Port Industrial USB 2.0 to Serial Converter with Power RX and TX LED is a great solution when a limited number of serial ports are available. Utilizes FT2232H FTDI Chip set Automatically configures the additional COM port Plug and Play allows easy installation Perfect for connecting a serial modem, bar code scanner, CNC router, or other serial devices Rugged metal industrial...Read More
    $34.99
  24. Industrial 8-Port DB-9 RS232 to USB Adapter High-Speed FTDI Chip 921.6Kbps
    Part #USBG-8COM-M
    Rating:
    100% of 100
    The USBG-8COM-M is a 8S RS232 to USB serial adapter that is designed for PC, thin client, or server to provide instant COM port expansion via the Universal Serial Bus (USB). The USBG-8COM-M provides the scalability to quickly adapt to new USB technologies.
  25. 4-Port USB to Serial Adapter COM Retention FTDI Chipset 920K Baud Rate
    Part #USA-FTDI4X
    Rating:
    100% of 100
    Connect 4 new or additional Windows COM ports through this FTDI, the USB to serial adapter outputs are automatically configured once connected to give you an easy plug-and-play installation.
    $43.98
  26. USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above
    Part #FTDI-LED
    Rating:
    100% of 100
    This 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
    $21.95
  27. USB to 32 COM RS-232 Serial Adapter Metal Rackmountable Case, FTDI Chipset
    Part #USB-32COM-RM
    USB to 32 Port COM Serial Adapter RS-232 has a Metal Rackmount case that also supports DIN-Rail mounting. The RS232 Serial ports on USB-32com-RM allow further use of existing devices.
    $648.88
  28. 16-Port Industrial Serial RS-232 to USB 2.0 Rack Mount
    Part #CG-16COM-MINI
    Functionally there’s nothing MINI about the New CG-16COM-MINI RS232 to USB 2.0 serial adapter and its standards performance with industrial-grade construction. 16 RS232 ports all packed into a very small housing. Offers Two mounting options: Din Rail and Rack mount, two power options, Activity and Status LED's on each port, and a rugged metal chassis with Screw Lock mechanism for secure cable co...Read More
    $389.99
  29. 2-Port USB to Serial Adapter COM Retention FTDI Chipset 920K Baud Rate
    Part #USA-FTDI2X
    Rating:
    100% of 100
    Gearmo 2 Port Professional USB 2.0 to Serial Converter FT2232D Chip with Power LED is a great solution when a limited number of serial ports are available. Utilizes FT2232D FTDI Chip set Automatically configures the additional COM ports Plug and Play allows easy installation 3ft. Cable Length Perfect for connecting serial modems, bar code scanners and others Supports Windows 7, 8, 10, and ...Read More
    $32.87
  30. USB to Serial 16-Port RS-232 Adapter Metal Rackmountable case
    Part #USB-16COM-RM
    This 16-Port Serial Adapter is designed for industrial applications to make serial port expansion quick and simple and no IRQ or COM port conflicts, since the ports don't require any additional IRQ, DMA, memory as resources on the system.
    $384.88
  31. High-Speed USB RS-232 Serial Adapter DB-9 Male FTDI Chipset - Windows 10
    Part #USBG-1S1PQ
    Work 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!
    $24.95
  32. Industrial USB 8 Port Serial RS-232 adapter w/FTDI Chipset, COM Retention, RX/TX LED Indicators, DIN Rail Mount Bracket, & Surface Mounting Brackets
    Part #GM-FTDI8X-M
    Gearmo USB 8 Port Serial RS232 featuring FTDI Chipset with LED Indicators Industrial Version 8x DB9 Serial Ports Power, RX, TX, LED Indicators Surface/Wall and DIN Rail mounting brackets included Supports Self Power and Variable Voltage input 9 ~ 48V Rugged Metal Chassis
    $126.49
  33. 4 Port USB to RS485 High Speed Adapter w/12V DC Power Supply
    Part #CG-UHS4P485
    The USB to RS-485 adapter installs automatically once connected to a USB port. When a serial device is connected to it, it will check for a fail signal indicated by a RED LED. With many application uses, this USB to RS-485 serial adapter is mountable and includes an attached USB cable.
  34. USB USB 2.0 Serial high speed adapter box industrial 8-port RS-232 FTDI
    Part #USB2-8COM-M
    RS-232 | 128 Bytes Receive | 384 Bytes Transmit Superior Build Quality: Housed in a rugged steel chassis with built in mountable flanges, the serial adapter hub is perfect for installations in labs, warehouses, or heavy machinery. Safe Industrial Connections: Designed for use with Bar Code Scanners, Time Clocks, Label Printers, Point of Sale Terminals, Receipt Printers, and more the ...Read More
    $186.98
  35. 4-port USB to RS232 Adapter FTDI FT4232H & ZyWyn
    Part #USB-4X232FTDI
    The CG-4X232FTDI is a 4 Port RS232 to USB 2.0 serial adapter cable that is designed for PC, thin client, or server to provide instant COM port expansion via the Universal Serial Bus (USB).
    $76.95
  36. -70%
    USB to Dual Serial RS-232 Converter USB to Serial Adapter Cable
    Part #Y-106
    USB to Dual Serial RS-232 Converter is a USB to serial adapter cable 3ft. long, uses Moschip with LED support for Power, RX, and TX serial signals. Serial outputs are automatically configured as additional COM ports.
    was $14.25 Special Price $4.28
  37. USB to RS-422/485 Converter w/ DB9 Male Surge Protection
    Part #USB-COMi-SI
    Surge 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.
    $71.38
  38. Isolated USB to 16 COM RS-422/485 Serial Adapter Metal case - Rack Mount
    Part #USB-16COMi-M
    Rating:
    90% of 100
    Optically Isolated USB to 16 Port COM Serial Adapter RS-422/485 with Metal case, Rackmount and DIN-Rail mountable, supports RS232/422/485 DB9 male ports with Speed up to 921.6kbps.
    Out of stock
  39. Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft. USB Extension Cable
    Part #USBG-232MINI
    Rating:
    90% of 100
    RS-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 o...Read More
    $20.85
  40. USB to Serial 16 COM RS-232/422/485 Rack mount adapter
    Part #USB-16COMi-RM
    The USB-16COMi-RM is an isolated USB to 16 Port COM serial adapter for RS-232 422/485 communication devices. Includes rack mounting kits for industrial use. High speed serial port with the 128 byte FIFO allow high speed communication, even in heavy loaded systems.
    $689.99
  41. USB-8COMi-RM USB to Octal RS-232/422/485 adapter metal case w/DIN-Rail
    Part #USB-8COMi-RM
    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.
  42. 2 PORT USB to Serial RS-232 DB-9 Adapter Industrial Metal Housing
    Part #USBG-2COM-M
    USB Dual Serial Adapter provides instant connectivity with modems, ISDN TAs, PDAs, handheld & pocket PCs, digital cameras, POS, serial printers. It is suitable for remote access, retail and industrial applications, data collection and other applications requiring high speed RS-232 serial communication ports.
    $60.48
  43. -9%
    12in. High-Speed USB to RS-232 Serial DB9 Adapter Cable - Windows 7/8
    Part #USBG-RS232-F12
    Rating:
    100% of 100
    Windows 7/8 Compatible 12 inch FTDI CHIP DB-9 Serial Adapter High Speed USB SERIAL RS-232
    was $18.69 Special Price $16.99
  44. Industrial 8-Port DB-9 RS232 to USB Adapter Isolation Surge Protection
    Part #CM-41082
    Rating:
    90% of 100
    The CM-41082 is an Isolation and surge protection 8S RS232 to USB serial adapter that is designed for PC, thin client, or server to provide instant COM port expansion via the Universal Serial Bus (USB). The CM-41082 provides the scalability to quickly adapt to new USB technologies.
    $379.99
  45. 16-Port Compact Industrial USB to RS-232 w/ 1m Octopus Cable & DIN Rail
    Part #USB2-16COM-M-CBL
    Industrial metal 16-port USB to serial adapter with full RS232 data signals and high-speed baud rate up to 921.6Kbps, an excellent serial device that is compact working with Windows and Linux systems, can use COM port assignment to change COM port numbers required.
    Out of stock
  46. 4 port RS232 to USB FTDI chip adapter w/ RX and TX Status LED
    Part #GM-FTDI4X-LED
    4 Port USB To Serial Adapter with Rx / TX Indicators easily adds 4 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11. RXD, TXD Status LED Array Easy Plug and Play installation USB interface: standard Type A female Baud rates up to 921.600bps
    $65.95
  47. Dual Port USB to Serial RS-232 DB-9 Adapter Cable FTDI Chip
    Part #USB-2COM
    Dual Port USB to Serial RS-232 DB-9 Adapter Cable FTDI Chip
    $43.98
  48. 6ft USB to DB-9 RS232 Serial Converter with FTDI Chipset
    Part #USBG-RS232-F72
    6ft. USB to RS232 Converter with FTDI chip inside uses RX, TX, and Power LED indicators as it interfaces with your equipment. The USB to serial adapter won't give you any hassle as it installs as a standard COM port. Supports Windows 7 and VISTA (32 and 64-Bit).
  49. 2 Port USB Type-C To Serial Adapter w/ Per Port Rx / TX Status LED Matrix
    Part #GM-FTDI2XC-LED
    2 Port USB-C to Serial adapter with RX/TX LED Indicators easily adds 2 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11. RXD, TXD Status LED Array Easy Plug and Play installation USB interface: standard Type-C female Baud rates up to 921.600bps
  50. USB to Dual Serial RS-422/RS-485 Port Mountable Converter
    Part #USB-2COMi
    USB to dual serial port converter with DB9 (9-pin male) connectors. The RS-422/RS-485 adapter TX and RX LED signal lights for monitoring and diagnostics.
  51. PROLIFIC CHIP 16 inch DB-9 Serial Adapter High Speed USB SERIAL RS-232
    Part #USBG-RS232-P12
    For the computer users that require an RS-232 connection over a shorter cable length, this 12 inch USB to DB-9 converter cable (CG-RS232-P12) include RX/TX communication signals and Power LEDs that utilizes a Prolific Chipset.
    Out of stock
  52. 2-Port Professional USB 2.0 to Serial Converter w/ RX/TX Status LED
    Part #GM-FTDI2X-LED
    Rating:
    100% of 100
    2 Port USB to Serial adapter with RX/TX LED Indicators easily adds 2 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 10. RXD, TXD Status LED Array Easy Plug and Play installation USB interface: standard Type A female Baud rates up to 921.600bps
    $43.95
  53. 4 Port USB Type-C To Serial Adapter with Per port LED Rx / TX
    Part #GM-FTDI4XC-LED
    4 Port USB-C to Serial adapter with RX/TX LED Indicators easily adds 4 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11. RXD, TXD Status LED Array Easy Plug and Play installation USB interface: standard Type-C female Baud rates up to 921.600bps
  54. 36in. USB to RS-232 Serial DB9 Adapter w/ Prolific Chip (Pl-2303HX)
    Part #USBG-RS232-P36
    3ft. DB-9 Serial Adapter High Speed USB SERIAL RS-232
    Out of stock
  55. USB-8COMi-M USB to 8X DB-9 Port RS-422/485 Metal case with DIN-Rail
    Part #USB-8COMi-M
    USB-8COMi-M USB to RS-422/485 Adapter connectivity through a Single USB adding up to eight serial port converters with DB9 (9-pin male) connectors, metal housing. (RS-422/RS-485)
  56. 2-Port USB to CAN Bus Adapter, DIN-Rail & Wall Mountable Metal Case
    Part #USB-2CAN-M
    The USB-2CAN-M provides a cost-effective solution for customers to enable communication with CAN bus devices. The solution designed using an ARM Cortex-M0 32-bit micro controller and the USB to serial chip makes it very flexible in handling small burst of CAN frames at a high speed.
  57. 4 Port Professional RS-232 USB 2.0 to Serial Adapter w/Nuts
    Part #USA-FTDI4X-NUT
    Add a 4 Port RS232 to USB adapter to your system without having to configure it! The USA-FTDI4x-NUT USB to Serial Adapter protects your devices from ESD and high voltage spikes and other electrical surges that may cause damage. Automatic handshaking 3ft. cable connection Compatible with serial office equipment
  58. USB to serial 4 Port DB-9 RS-232 Adapter with FTDI Chip
    Part #USBG-BAY4
    Rating:
    90% of 100
    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.
  59. -70%
    72in. USB to RS-232 Serial DB9 Adapter w/ Prolific Chip (Pl-2303HX)
    Part #USBG-RS232-P72
    Rating:
    30% of 100
    USB DB-9 Serial 72 inch RS-232 Adapter cable for connecting to serial devices without the need for an extension. This cable features RX/TX and Power LEDs indicators while it utilizes a Prolific Chipset.
    was $20.89 Special Price $6.27
  60. Rugged Industrial 8-Port Terminal Block RS232/422/485 to USB Adapter
    Part #SA-8PXTB
    Rugged Industrial Grade USB Serial plug-and-play adapter hub, designed to quickly add four high speed RS-232 serial ports to desktop or notebook computers. This industrial grade USB to serial adapter hub supports serial port data transfer rate of up to 921.6 Kb/s.
  61. 2-Port USB to CAN Bus Adapter Mountable 16kV ESD 2.5kV Optical Isolation
    Part #USB-2CAN-SI-M
    The USB-2CAN-SI-M provides a cost-effective solution for customers to enable communication with CAN bus devices. The solution designed with an integrated ARM Cortex-M0 32-bit micro controller and the USB to serial chip makes it very flexible in handling small burst of CAN frames at a high speed.
  62. -24%
    36 inch DB-9 Serial Adapter High Speed USB SERIAL RS-232 With FTDI Chipset
    Part #USBG-RS232-F36
    Rating:
    90% of 100
    Supports Windows 7 and 8 and Vista (32 and 64-Bit) with Microsoft Certified Drivers. This FTDI CHIP Adapter is with RX/TX and Power LED and supports OS X and VISTA! Want to connect your GPs, modem, or digital camera easily?
    was $19.79 Special Price $14.99
    Out of stock
  63. 4-Port DB-9 RS232 to USB Adapter with Isolation and Surge Protection
    Part #CM-41042
    Rating:
    90% of 100
    4-x port RS232 to USB adapter with isolation and surge protection each serial ports offer data transfer rate up to 920 Kbps for high system performance. Users are able to connect multiple serial devices through one USB port on their system.
    $249.99
  64. 8-Port Terminal Block RS232/422/485 to USB Isolation/Surge Protection
    Part #SA-8PX-IS
    This terminal block serial adapter provides the scalability to quickly adapt to new USB technologies. It incorporates USB isolation and surge protection, multiple modules can be added to a single USB interface allowing you to add RS232/422/485 connectivity as needed.
  65. 36in FTDI USB to Serial Cable for MAC PC Linux, Win 11 w/ Tx/Rx LEDs
    Part #USA-FTDI-A36
    Rating:
    80% of 100
    Windows 11 USB to serial RS232 adapter with FTDI chip is adeal for your 36 inch connection from your host USB port, the serial adapter has a 300bps to 1Mbps Baud Rate and built-in statics and electrical surge protection up to 600W.
    $19.67
  66. Professional Quad Port USB to Serial DB-9 RS-232 Adapter
    Part #USB2-4COM-M
    USB 2.0 quad port serial DB-9 RS-232 adapter box is designed to make serial port expansion quick and simple. It instantly adds four RS-232 serial communication ports to your system with no conflicts with FTDI Chipset
    $98.95
  67. 8-Port RS-232 USB to Serial Adapter Data Control Box
    Part #USB-8COM
    Rating:
    90% of 100
    The USB-8COM is a rugged plastic USB to 8-Port RS-232 Serial adapter that allows you to add 8 additional RS-232 serial ports to your computer by connecting through a single USB port. Windows 10 supported!
    $152.46
  68. USB 4-Port Serial Adapter / USB 2.0 Quad Port Serial DB-9 RS-232
    Part #USBG-4X232P1
    Windows 10 mountable 4-port serial cable adapter helps expand to four DB-9 connections from an available USB host port. The USB to serial adapter uses the FTDI FT232RL Chips, Mutli TT USB 2.0 GL852 Chip and ZT213LFEA Zywyn Corporation to achieve its high speed output.
  69. USB to serial RS422/485 single port converter DB9 male connector
    Part #USB-COMi
    Industrial serial ports on USB connect RS-422 and RS485 devices, used in industrial environment. With RS-485 the data direction is controlled by the port, without further action from the software.
    $49.45
  70. -70%
    CableMax USB to Dual Serial DB9 5ft. Cable Adapter
    Part #U2RS2X
    Add two Windows serial RS232 COM ports from your available host USB port, no additional power source is needed and draws power directly from your USB connection. Great for PDA, Modems, Barcode Readers and other standard serial devices.
    was $19.79 Special Price $5.94
  71. USB Serial 12in. RS232 Serial Adapter FTDI Chip w/ LED & Windows 10 Support
    Part #GM-FTDI2-A12
    New rs232 12 inch adapter designed to be sleek with a ferrite core ring for noise reduction. The USB adapter includes a FTDI chipset, LED indicators for power, TX, and RX signals and is USB 2.0 compliant with easy plug and play installation.
  72. USB-4COMi-M USB to Quad RS-422/485 Metal case with DIN-Rail
    Part #USB-4COMi-M
    USB-4COMi-M USB to Quad RS-422/485 Serial Adapter for Windows 10, 8, 7 and Server 2003/2008 is housed in a metal chassis to protect the item. External dip switches to easily configure the item.
  73. USB to RS-232 Serial Adapter w/ LED Indicators Windows 11 Support
    Part #GM-FTDI2-LED
    Rating:
    90% of 100
    Newly designed USB to rs232 adapter with full LED serial activity indicators, a new sleek design and modified color scheme give this serial adapter a great look to suit any application. It follows the standard DB9 pinout with hex nut screw lock mechanisms.
    $25.25
  74. USB-4COMi-SI-M USB to Quad RS-422/485 Metal case with DIN-Rail
    Part #USB-4COMi-SI-M
    Optical isolated Quad RS-422/485 Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Serial Adapter instantly adds four RS-422, or RS-485 serial communication ports to your system.
  75. FTDI Chip USB to RS-485/422 Industrial Isolated w/ DB-9/RJ45/Terminal Screw
    Part #US-422i
    Optically Isolated Industrial USB to RS485 / RS422 serial adapter that is designed with DB-9, RJ45, and Terminal Screw Output interfaces. Used in serial applications such as serial printers, scanners, GPS, and consumer equipment.
  76. USB to 5v TTL Header Like FTDI TTL-232R-5V - Supports Windows 10
    Part #SS-TTL5VT
    Rating:
    100% of 100
    This USB to Serial UART (TTL level) adapter allows you to connect your computer through USB port and use it as a regular serial communication. All USB protocol is handled within this adapter. There is no other device or programming required.
  77. 12 Inch USB to RS232 Serial Adapter FTDI Chip 920K with LED
    Part #USA-FTDI-A12
    Rating:
    100% of 100
    The GearMo USA-FTDI-A12 is short and to the point!  This 12 inch USB to RS232 serial adapter is the perfect portable connection for serial devices. Making use of the best FTDI Chip, RS232 serial connections are easy and convenient! Incorporates FTDI Chip set LED indication for power, RX, and TX Supports baud rates of up to 1Mbps Built-in static and surge protection Works with Win...Read More
    $17.47
  78. 4-Port USB DB-9 Serial Adapter Solution for Windows Operating Systems
    Part #USB-4COM
    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.
  79. 36in FTDI USB to Serial Cable for MAC PC Linux with Windows 11
    Part #USA-FTDI-36
    Rating:
    90% of 100
    Easily connect this 36 inch (1 meter) RS232 cable adapter to your modem, GPS, Palm or other serial device from your system's host USB port. The adapter works with Windows 11, 10, 8, 7 and XP along with Mac and Linux.
    $18.65
  80. -12%
    4-Port Compact Industrial USB to RS-232 w/ 1m Octopus Cable & DIN Rail
    Part #USB2-4COM-M-CBL
    4-Port RS-232 USB to serial adapter adds four industrial RS-232 serial ports by connecting to a USB host port and can be mounted to a Din rail conveniently for stable connections. it is compliant with USB 1.1/2.0 compatible Speed 480 Mbps, hi-speed USB and supports FIFO 128 byte transmit FIFO 384 receive FIFO.
    was $109.95 Special Price $96.70
  81. Pro 5ft. USB to RS-485/422 Serial ADapter FTDI Chip - Windows 11 Supported
    Part #US-485422
    Rating:
    100% of 100
    Reliability and a high performance FTDI Chip puts the GM-485422 USB to RS485, RS422 serial converter at the cutting edge of serial communication. With a terminal board connector included, this small, portable, and convenient solution is a must have tool.
    $32.87
  82. USB to RS-422/485 Converter FTDI CHIP w/ Terminals
    Part #USA-482422
    Rating:
    100% of 100
    USB to RS-485 / RS-422 Converter contains an FTDI Chip with terminals photoelectric interface can convert the single ended USB signal into difference RS-422 or RS-485 signal. The converter includes Transient Voltage Suppressor technology!
    $32.75
  83. -70%
    USB to RS-422 Terminal Block Adapter
    Part #UTS-422TB
    Designed for Point of Sale type devices this RS422 serial adapter is configured via 5-wire terminal block for serial signal.
    was $38.49 Special Price $11.55
  84. -70%
    USB to UART with +3.3V TTL Adapter
    Part #UTS-TTL8MU
    USB to UART with +3.3V TTL Adapter
    was $27.49 Special Price $8.25
  85. -70%
    USB to Parallel & Serial Converter for Windows Xp 2000 and Vista
    Part #Y-107
    USB to Parallel & Serial Converter needs no additional IRQ, DMA, or I/O address resources and supports serial applications for high-speed transfers up to 230400 bps. Works with Windows Xp, 2000, and Vista.
    was $14.04 Special Price $4.21
  86. NEW
    USB 2.0 to RS-232/422/485 Selectable Industrial Serial Adapter w/ 15kV ESD Surge Protection
    Part #USBG-COMi-M
    RS-232 | RS-422 | RS-485 | 512 Bytes Receive | 512 Bytes Transmit Superior Build Quality: Housed in a rugged steel chassis with built in mountable flanges, the serial adapter hub is perfect for installations in labs, warehouses, or heavy machinery. Safe Industrial Connections: Designed for use with Bar Code Scanners, Time Clocks, Label Printers, Point of Sale Terminals, Receipt Pri...Read More
    $64.38
  87. Industrial USB 2.0 to RS-232 Serial Adapter Optical Isolation
    Part #USBG-COM-SI-M
    USB-COM-SI-M USB RS-232 Industrial Adapter Metal case with DIN-Rail is designed for industrial applications, it is suitable for remote access, retail and industrial applications, data collection and other applications requiring high speed RS-232 serial communication port.
  88. USB-to-Optical isolated RS-232/422/485 Industrial Adapter
    Part #USBG-COMi-SI-M
    USB to RS-232/422/485 Adapter with Optical isolation with 2000 volts DC & surge protection. Built-n ESD protection up to 25KV.
    $131.95
  89. Industrial Professional USB Serial Adapter RS232 FTDI with 5Volt Out
    Part #USB-COMPlus
    The USB-COMPlus is compact and adds a USB to industrial RS232 serial communication port to your system with a 5 Volt option for Barcode Scanners, POS Devices, Modem Control and More with this quality constructed professional serial adapter with FTDI.
  90. 1-Port USB to Serial Adapter (RS-232/422/485) , DIN-rail
    Part #USB-COMi-PRO
    Adds one RS-232, or RS-422, or RS-485 serial port via USB connection. Remote Serial Port Sharing: allows remote access to USB serial port regardless of its physical location. ESD surge protection of 15 KV. Monitor LEDs of Power, TxD, RxD indicating power & port status.
  91. 10ft High-Speed USB RS-232 Serial Adapter FTDI Chipset - 11
    Part #USBG-1S1PQ-10FT
    Work 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!
  92. USB to Serial RS232 DB9 Adapter FTDI Chipset w/ 15kV ESD Protection, Windows 11 Support
    Part #USBG-232
    Rating:
    80% of 100
    RS-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 devic...Read More
    $19.90
  93. 6ft. USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & FTDI Chipset
    Part #USBG-232MM
    Rating:
    100% of 100
    RS-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 devic...Read More
    $21.04
  94. -70%
    FTDI USB to RS-232 / RS-422 / RS-485 Pro Grade Configurable Adapter
    Part #CM-RSDB9-PRO
    Rating:
    100% of 100
    USB to RS-232/422/485 Adapter, The USB to serial interface adapter offers an easy way to connect a DB9 serial device to a USB port. All configuration and electrical interface selections are handled through the driver.
    was $43.99 Special Price $13.20
  95. USB-C 2.0 to Serial RS-232 16 Inch Adapter w/ LED Indicators
    Part #GM-FTDI2-LED16-C
    Rating:
    100% of 100
    This NEW 16 inch USB C to Serial RS232 adapter uses the new type-C USB connector technology for easy, reversible connections. The same great tool of choice when supporting serial peripherals in newer computers without serial support with a C port host. Supported by Windows 11, this is an ideal solution for serial device support.
    $31.85
    Out of stock
  96. 16in. USB 2.0 to RS-232 Serial Converter w/ LED Indicators & FTDI
    Part #GM-FTDI-LED16
    Rating:
    100% of 100
    This 16 inch 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.
    $24.07
  97. Industrial USB 2.0 to RS-232 Serial High-Speed Adapter w/ Mounting Flanges
    Part #USBG-COM-M
    High 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 has built-in surface mounting flanges and supports LED status indicators for Power, TxD, and RxD signals.
    $36.29
  98. 10ft USB to Serial Adapter Cable with Screws and Three LED display
    Part #USBG-3M232-STP
    Rating:
    100% of 100
    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.
    Out of stock
  99. USB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable
    Part #765288
    Rating:
    100% of 100
    USB 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.
    $14.29
  100. USB to RS232 Isolated TTL | CMOS Adapter Cable with TB
    Part #USB-232TTLMOS-IS
    Up 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.
    $43.95
  101. USB RS485 Adapter to RJ45 FTDI chip inside
    Part #USB-RS485-RJ
    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.
    $16.60
    Out of stock
  102. Mini USB Serial Adapter Hi-Speed 920K FTDI Chip
    Part #SERIAL-B
    Rating:
    90% of 100
    The Mini USB serial adapter Hi-Speed 460K FTDI Chip PC DB-9 RS232 is supported by Windows 10, and offers High-Speed and the convenience of a plug-and-play feature so your time isn't taken after it's connected. Perfect for use with modems, PDA's, GPS, Industrial Devices, cell phones, digital cameras and more.
  103. USB to Serial RS-422/RS-485 Industrial Single Port Adapter w/FTDI
    Part #USB-COMi-TB
    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.
    $59.99
  104. USB to RS-422 Adapter W/Terminal Block Changer (FTDI CHIP)
    Part #USB-RS422-AT
    USB to RS-422 FTDI adapter with terminal wire changer provides an extra Serial Com port via USB connection and can be configured to work with RS-422 peripherals.
    Out of stock
  105. USB to RS-485 Adapter W/Terminal Block Changer FTDI chip inside
    Part #USB-RS485-AT
    Rating:
    100% of 100
    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.
    Out of stock
  106. USB RS-232 Serial Adapter USB Serial Adapter Converter Prolific Chip
    Part #USBG-4
    Rating:
    90% of 100
    Mini Prolific RS232 serial adapter that works with Windows 10, 8, 7, and ealier versions of Windows supports a USB to DB9 interface for working with GPS, PDA, POS and other serial devices. This is the perfect way to enable RS232 communications from laptop or PC with no COM port capability.
  107. Pro Grade FTDI USB to RS-232/422/485 Adapter Selectable via Software
    Part #USB-234842TB
    The USB to serial interface adapter offers an easy way to connect a DB9 serial device to a USB port. All configuration and electrical interface selections are handled through the driver, eliminating the need to open the enclosure to set jumpers or switches.
  108. USB to RS232 Serial over Cat5 Extender Kit(FTDI CHIP)
    Part #USB-EXTRS232
    The USB to RS-232 Cat. 5 extender is a low cost hardware solution that will extend your RS-232 devices using a single standard Cat. 5 / 5e / 6 UTP cable. It provides full-duplex remote access and control of any RS-232 protocol device.
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