• In Stock
  • Sold by Newegg
  • Make an Offer
Brands
Show More
Price
Show More
Connector A
Connector B
Sold by
Availability
Useful Links
Customer Ratings
avatar

Any questions? Our AI beta will help you find out quickly.

Sort By:
View:
StarTech ICUSB232C USB C to Serial Adapter - RS232 / DB9 Cable - Windows / Mac / Linux Compatible - Bus Powered - USB C Serial Converter
Quick View
StarTech ICUSB232C USB C to Serial Adapter - RS232 / DB9 Cable - Windows / Mac / Linux Compatible - Bus Powered - USB C Serial Converter
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Specifications: Humidity: 0~65% RH Operating Temperature: 0 to 60 degree C Storage Temperature: -20 to 80 degree C FIFO: 512 Bytes Flow Control: None, Xon/Xoff, RTS/CTS, DTR/DSR Max Baud Rate:921.6 Kbps MTBF:30,000 Hours OS Compatibility: Windows 7, 8.1, 10 Windows Server 2008 R2, 2012 R2, 2016 Mac OS X 10.11 and 10.12 Linux 2.6.x to 4.4.x LTS Versions only
  • Connector A: 1x USB Type-C male
  • Model #: ICUSB232C
StarTech ICUSB234858I USB to RS-232/422/485 Serial Adapter - 8 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub
Quick View
StarTech ICUSB234858I USB to RS-232/422/485 Serial Adapter - 8 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub
  • Type: 8-Port Industrial USB to RS-232/422/485 Serial Adapter
  • Color: Black
  • Changer Type: USB to RS-232/422/485 Serial
  • Specifications: Converts a single USB port into eight RS232/RS422/RS485 serial ports over USB 2.0 with four modes: RS232, RS422, 4-wire and 2-wire RS485 15 kV ESD protection (Level 4) against noise emissions and electrical voltage surges DIN rail and wall mountable Rugged IP30 rated metal hub housing and screw-locking host connection, ideal for harsh industrial environments Data transfer baud rate up to 921.6Kbps Single USB 2.0 hub port (pass-through) for daisy chaining, or for connecting an additional USB device to the host COM port expansion with COM retention Self-powered with included external power adapter
  • Model #: ICUSB234858I
Coolgear 4 Port USB 2.0 to RS 232 Manual Switch FTDI Chipset - CG-4URS232M
Quick View
  •  
  • $18.29 
  • $3.99 Shipping
Direct from CoolGear Direct from CoolGear
Coolgear 4 Port USB 2.0 to RS 232 Auto Switch FTDI Chipset - CG-4URS232A
Quick View
  •  
  • $28.29 
  • $3.99 Shipping
Direct from CoolGear Direct from CoolGear
Gearmo 4 Port Professional RS-232 USB 2.0 to Serial Adapter w/Nuts - USA-FTDI4X-NUT
Quick View
Gearmo 4 Port Professional RS-232 USB 2.0 to Serial Adapter w/Nuts - USA-FTDI4X-NUT
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: 045079163324
  •  
  • $56.28 
  • $3.99 Shipping
Direct from GearMo Direct from GearMo
Gearmo 4 port RS232 to USB FTDI chip adapter with RX and TX Status LED
Quick View
  •  
  • $73.84 
  • $3.99 Shipping
Direct from GearMo Direct from GearMo
Coolgear 4 Port USB to RS485 High Speed Adapter w/12V DC Power Supply - CG-UHS4P485
Quick View
Coolgear 4 Port USB to RS485 High Speed Adapter w/12V DC Power Supply - CG-UHS4P485
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: 045079161191
  •  
  • $165.29 
  • $5.99 Shipping
Direct from CoolGear Direct from CoolGear
Gearmo 4 Port USB Type-C To Serial Adapter with Per port LED Rx / TX
Quick View
Gearmo 4 Port USB Type-C To Serial Adapter with Per port LED Rx / TX
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: GM-FTDI4XC-LED
  •  
  • $61.78 
  • $3.99 Shipping
Direct from GearMo Direct from GearMo
Coolgear 4-Port RS-232/422/485 Serial to Ethernet Device Server, PoE Power
Quick View
  •  
  • $271.29 
  • $5.99 Shipping
Direct from CoolGear Direct from CoolGear
Coolgear USB 2.0 to 4-Port RS232-422-485 Serial TB Adapter Isolation | Surge
Quick View
Coolgear USB 2.0 to 4-Port RS232-422-485 Serial TB Adapter Isolation | Surge
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: USB2-4COMi-SI-TB
  •  
  • $261.49 
  • $5.99 Shipping
Direct from CoolGear Direct from CoolGear
Coolgear USB 2 to Industrial 4-Port RS232-422-485 Serial TB Adapter
Quick View
Coolgear USB 2 to Industrial 4-Port RS232-422-485 Serial TB Adapter
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: USB2-4COMi-TB
  •  
  • $196.29 
  • $5.99 Shipping
Direct from CoolGear Direct from CoolGear
Coolgear USB2 to 8-Port RS232-422-485 Serial TB Adapter Isolation | Surge
Quick View
Coolgear USB2 to 8-Port RS232-422-485 Serial TB Adapter Isolation | Surge
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: USB2-8COMi-SI-TB
  •  
  • $427.29 
  • $5.99 Shipping
Direct from CoolGear Direct from CoolGear
StarTech.com ICUSB422IS 1 Port Metal Industrial USB to RS422/RS485 Serial Adapter w/ Isolation
Quick View
StarTech.com ICUSB422IS 1 Port Metal Industrial USB to RS422/RS485 Serial Adapter w/ Isolation
  • Color: Black
  • Changer Type: 1 Port Metal Industrial USB to RS422/RS485 Serial Adapter
  • Specifications: Color: Black Connector Type: 1 - USB B Female Connector Type: 1 - DB9 Male General Specifications: Dip Switch Configuration Baud Rate: 300 bps to 921.6 Kbps Data Bits: 7,8 Isolation: 2500 Vrms Surge Protection: 500 Watts Power Requirements: 5V/200mA (USB Bus Powered) OS Support: Windows 98SE, ME, 2000, XP, 2003, Vista
  • Connector A: 1x USB 2.0 Type B female
  • Model #: ICUSB422IS
StarTech.com ICUSB2322I USB to Serial Adapter - 2 Port - Wall Mount - Din Rail Clips - Industrial - COM Port Retention - FTDI - DB9
Quick View
StarTech.com ICUSB2322I USB to Serial Adapter - 2 Port - Wall Mount - Din Rail Clips - Industrial - COM Port Retention - FTDI - DB9
  • Color: Black
  • Changer Type: USB to Serial
  • Specifications: Ports: 2 Bus Type: USB 2.0 Port Style: External Hub Chipset ID: FTDI - FT232RL Max Baud Rate: 921.6 Kbps Maximum Data Transfer Rate: 921.6Kbps Serial Protocol: RS-232 Data Bits: 7, 8 FIFO: 4096 byte Transmit and Receive Parity: Odd, Even, Mark, Space, None Stop Bits: 1, 2 Enclosure Type: Steel Color: Black LED Indicators: 2 - Each, Tx/Rx Activity indicators Power Adapter Included: USB Powered Operating Temperature: 0 Degrees C to 55 Degrees C (32 Degrees F to 131 Degrees F) Storage Temperature: -20 Degrees C to 85 Degrees C (-4 Degrees F to 185 Degrees F) Humidity: 5~95% RH
  • Connector A: 1x USB 2.0 Type B female
  • Model #: ICUSB2322I
StarTech.com ICUSB2324852 USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial
Quick View
StarTech.com ICUSB2324852 USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Specifications: Color: Gray Humidity: 5% to 95% RH Interface/Bridge: USB 2.0 Number of Ports: 2 Operating Temperature: 0°C to 55°C (32°F to 131°F) Storage Temperature: -20°C to 85°C (-4°F to 185°F) Max Baud Rate: 921.6Kbps Data Bits: 7, 8 Stop Bits: 1 and 2 Parity: Odd, Even, Mark, Space, and None Flow Control: Xon/Xoff, Hardware, and None LED Indicators: 1 - Red - Power LED Bus Type: USB 2.0 Connector Types: 1 - DB9 Male Connector Types: 1 - Terminal Block Connector Types: 1 - USB B Female Power Adapter Included: Optional Output Voltage: 5 DC Output Current: 385mA Center Tip Polarity: Positive Plug Type: B OS Compatibility: Windows 98SE/ ME/ 2000/ XP(32/64bit)/ 2003(32/64bit)/ Vista(32/64bit)/ Server 2008(32/64bit)/ 7(32/64bit)/ Server 2008 R2, Mac 9.8/OS X, Linux 2.4.x and up; Wind...
  • Model #: ICUSB2324852
StarTech ICUSB234854I USB to RS-232/422/485 Serial Adapter - 4 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub
Quick View
StarTech ICUSB234854I USB to RS-232/422/485 Serial Adapter - 4 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub
  • Type: 4-Port Industrial USB to RS-232/422/485 Serial Adapter
  • Color: Black
  • Changer Type: USB to RS-232/422/485 Serial
  • Specifications: Converts a single USB port into four RS232/RS422/RS485 serial ports over USB 2.0 with four modes: RS232, RS422, 4-wire and 2-wire RS485 15 kV ESD protection (Level 4) against noise emissions and electrical voltage surges DIN rail and wall mountable Rugged IP30 rated metal hub housing and screw-locking host connection, ideal for harsh industrial environments Data transfer baud rate up to 921.6Kbps COM port expansion with COM retention Powered by USB, and features plug-and-play installation
  • Model #: ICUSB234854I
StarTech.com ICUSB23208FD USB to Serial Hub - 8 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub
Quick View
StarTech.com ICUSB23208FD USB to Serial Hub - 8 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub
  • Color: Black
  • Cable Length: 35.4" (900mm)
  • Changer Type: USB to DB9 (RS-232)
  • Specifications: Bus Type: USB 2.0 Interface: Serial Data Bits: 7, 8 FIFO: 256 Bytes Max Baud Rate: 921.6 Kbps Maximum Data Transfer Rate: 480 Mbps Parity: Odd, Even, Mark, Space, None Serial Protocol: RS-232 Stop Bits: 1, 2 LED Indicators: 8 x Data Transmit, 8 x Data Receive Center Tip Polarity: Positive Input Current: 1.5 A Input Voltage: 100 ~ 240 AC Output Current: 3 A Output Voltage: 12 DC Plug Type: B Power Consumption: 36 W Max. Humidity: 20 - 80% RH (Non-condensing)
  • Model #: ICUSB23208FD
SERIALGEAR USB to Serial 4-Port DB-9 RS-232 Adapter with FTDI Chipset
Quick View
SERIALGEAR USB to Serial 4-Port DB-9 RS-232 Adapter with FTDI Chipset
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: CS-42042
  •  
  • $109.88 
  • $5.99 Shipping
StarTech.com ICUSB23216FD USB to Serial Hub - 16 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub
Quick View
StarTech.com ICUSB23216FD USB to Serial Hub - 16 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub
  • Type: USB-to-Serial Adapter Hub
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Specifications: Bus Type: USB 2.0 Chipset ID: FTDI - FT232RL Interface : Serial Port Style: External Hub Ports: 16 Data Bits: 7, 8 FIFO: 256 Bytes Max Baud Rate: 921.6 Kbps Maximum Data Transfer Rate: 480 Mbps Parity: Odd, Even, Mark, Space, None Serial Protocol: RS-232 Stop Bits: 1, 2 LED Indicators 16 - Data Receive 16 - Data Transmit Center Tip Polarity: Positive Input Current: 1.5 A Input Voltage: 100 ~ 240 AC Output Current: 3 A Output Voltage: 12 DC Plug Type: N Power Consumption: 36 W Max. Power Source: AC Adapter Included Humidity: 20~80% RH (Non-condensing) Operating Temperature: -40°C to 85°C (-40°F to 185°F) Storage Temperature: -65°C to 150°C (-85°F to 302°F) Enclosure Type: Steel
  • Model #: ICUSB23216FD
Brainboxes US-257 2 Port RS232 USB to Serial Adapter
Quick View
Brainboxes US-257 2 Port RS232 USB to Serial Adapter
  • Changer Type: USB to DB9 (RS-232)
  • Specifications: Host Interface: USB Ports: 2 x 9-pin DB-9 Male RS-232 Serial Operating Distance: EIA - RS232 Standard Cable: USB cable Platform Support: PC PCB Layers: 4 Power Consumption: 100mA @ 3.3V Operating Systems: Microsoft Windows 7 32 bit & 64 bit Editions Windows Vista 32 bit & 64 bit Editions Windows XP 32 bit & 64 bit Editions Form Factor: External Dimensions: 3.94" x 4.13" x 1.02" Weight (Approximate): 13.58 oz
  • Connector A: 1x USB
  • Connector B: 2x DB-9 male
  • Model #: US-257
B&B USO9ML2 Serial Adapter
Quick View
B&B USO9ML2 Serial Adapter
  • Changer Type: USB/Serial
  • Specifications: Connector on Second End:1 x 4-pin Type B Female USB 2.0 USB Connector on First End:1 x 9-pin DB-9 Male RS-232 Serial
  • Parts: 5 Year
  • Model #: USO9ML2
UOTEK 4.92ft USB to RS232 RS485 RS422 Converter Serial Adapter USB2.0 Cable DB9 Connector WinXP/7/8/8.1/10 UT-8890
Quick View
UOTEK 4.92ft USB to RS232 RS485 RS422 Converter Serial Adapter USB2.0 Cable DB9 Connector WinXP/7/8/8.1/10 UT-8890
  • Type: converter
  • Cable Length: 1.5m
  • Connector A: USB-A MALE
  • Connector B: DB9 MALE
  • Model #: UT8890
  •  
  • $24.79 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
UOTEK USB to RS-485 RS-422 Converter RS422 RS485 to USB 2.0 Adapter Serial Connector ESD Static Protection 5-pin Terminal Block UT-885 Win7/8/8.1/10/XP/Vista/CE/Mac/Linux
Quick View
  •  
  • $23.06 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
UOTEK 4.92ft USB to RS485 RS422 Cable Converter USB-A Serial Adapter DB9 Connector Translucent Magnetic Ring UT-850N
Quick View
UOTEK 4.92ft USB to RS485 RS422 Cable Converter USB-A Serial Adapter DB9 Connector Translucent Magnetic Ring UT-850N
  • Type: Converter
  • Cable Length: 4.92ft
  • Connector A: USB-A male
  • Connector B: DB9 male
  • Model #: UT-850N
  •  
  • $13.08 
  • $8.04 Shipping
Direct from UOTEK Direct from UOTEK
USB to 4-Port Independent RS-485/RS-232 Converter RS485 RS232 COM Serial Port Adapter Cable
Quick View
  •  
  • $239.99 
  • Free Shipping
USB to 4-Port Independent RS-485/RS-232 Converter RS485 RS232 COM Serial Port Adapter Cable
Quick View
  •  
  • $239.99 
  • Free Shipping
UOTEK UTEK UT-890A 5ft 1-Port USB to RS-485/422 Serial Converter with ESD Protection
Quick View
  •  
  • $45.99 
  • $5.99 Shipping
Gearmo 4 Port RS232 to USB FTDI chip Adapter w/RX and TX Status LED
Quick View
  •  
  • $112.99 
  • $5.00 Shipping