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PCIe to 4-Port RS232 Serial Card  4 x DB9 COM Port Expansion Adapter, AX99100 Chipset, 1-to-4 Industrial Serial Controller for PC / Embedded Systems
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  • $41.79 
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  • $40.19 - $41.79
RS232 to RS485 Serial Port Data Interface Adapter Converter 1.2KM
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  • $84.99 
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StarTech.com ICUSB2322I USB to Serial Adapter - 2 Port - Wall Mount - Din Rail Clips - Industrial - COM Port Retention - FTDI - DB9
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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
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  • $86.78 
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FOR RS232 to RS485 serial port Data Interface Adapter Converter 1.2KM 3 Bit
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FOR RS232 to RS485 serial port Data Interface Adapter Converter 1.2KM 3 Bit

Limited time offer, ends 09/19

  • Model #: .jiudian-YC5KU-0833
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  • $15.68 
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FOR 1-port USB to RS-232 Serial Converter with ESD protection Converter Adapter Cable Chipset usb to com db9
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  • $24.78 
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FTDI CHIP 4 Port USB to Serial RS232 DB9 Adapter Cable
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FTDI CHIP 4 Port USB to Serial RS232 DB9 Adapter Cable

Limited time offer, ends 09/19

  • Model #: C6WV-0804-OYJ-385
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  • $51.73 
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M.2 to four-port RS232 serial port card COM ports M KEY adapter card DB9-pin expansion card
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  • $43.99 
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StarTech.com IC232485S Industrial RS232 to RS422/485 Serial Port Converter with 15KV ESD Protection
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StarTech.com IC232485S Industrial RS232 to RS422/485 Serial Port Converter with 15KV ESD Protection
  • Color: Black
  • Specifications: Enclosure Type: Steel Serial Protocol: RS-232/422/485 Indicators LED Indicators: 1 - Power (Green) LED Indicators: 1 - Rx (Yellow) LED Indicators: 1 - Tx (Yellow)
  • Connector A: 1 - DB-9 (9 pin; D-Sub) Female
  • Connector B: 1 - DB-9 (9 pin; D-Sub) male
  • Model #: IC232485S
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  • $94.99 
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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
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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
StarTech.com ICUSB2324852 USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial
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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
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  • $116.20 
SerialGear 8-Port RS-232 USB to Serial Adapter Data Control Box
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  • $166.29 
  • $3.99 Shipping
Coolgear USB2 to 8-Port RS232-422-485 Serial TB Adapter
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Coolgear USB2 to 8-Port RS232-422-485 Serial TB Adapter
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: USB2-8COMi-TB
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  • $328.29 
  • $5.99 Shipping
Direct from CoolGear Direct from CoolGear
3.5-inch IDE to SATA adapter card - Desktop computer hard drive/IDE optical drive to SATA converter parallel port to serial port
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  • $19.89 
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DTECH 10 Feet USB 2.0 to RS232 DB9 Serial Port Adapter Cable with FTDI Chipset Supports Windows 11 10 8 7 and Mac Linux
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  • $27.98 
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TXIC RS232 serial port server - RS232 to Ethernet port TCP/IP network communication device with management
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  • $34.89 
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