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2-Channel UART to Ethernet Converter, Serial Port Transparent Transmission Module UART TTL and RJ45 Ethernet Bi-Directional Transmission, with Control Pin for Raspberry Pi/Arduino/STM32,ect.
Limited time offer, ends 09/13
- Brand: LORDWORLD
- Model #: 26-8CXY24-213
- $43.86 –
- Free Shipping

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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
Limited time offer, ends 09/13
- Model #: 666ZP0724ZP.202650
- $41.79 –
- Free Shipping

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Chip Isolated USB to T-T-L/RS232/RS485 3 in 1 Serial Port Adapter Industrial-Grade T-T-L RS-232 RS-485 Isolation
- Model #: CLAWB0CS64MWPJ
- $198.99 –
- Free Shipping

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RS232 to RS485 Serial Port Data Interface Adapter Converter 1.2KM
- Model #: CLAWB0G3518FST
- $84.99 –
- Free Shipping

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Desktop PCIE to RS232 serial port card, 2-port PCIE to 232 serial port expansion card, 9-pin COM port adapter card
- Model #: C738-WXY-8050004
- $29.99 –
- Free Shipping

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Desktop PCIE to RS232 serial port card, 2-port PCIE to 232 serial port expansion card, 9-pin COM port adapter card
- Model #: C738-WXY-80400014
- $27.99 –
- Free Shipping

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Cables Unlimited USB2920 Serial Adapter with FTDI Chip, USB2.0 to RS232 DB9 COM Port Converter, BusPowered Virtual COM Adapter for Industrial & Legacy SerialDevice Communication
- Model #: TECH CABIN - TCH3346
- $21.28 –
- Free Shipping

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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
- $86.78 –
- Free Shipping

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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
- $15.68 –
- Free Shipping

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FOR 1-port USB to RS-232 Serial Converter with ESD protection Converter Adapter Cable Chipset usb to com db9
Limited time offer, ends 09/19
- Model #: C6WV-0811-OYJ-128
- $24.78 –
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RS232 to Ethernet Serial Device Server, 1 Port RS 232 DB9 Serial to Ethernet TCP IP Device Server Converter
- Model #: C745-Lsy720-327
- $49.34 –
- Free Shipping

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RS232 to RS485 Serial Port Data Interface Adapter Converter, Max 1.2KM LongDistance Serial Transmission, 3Bit Screw Terminal Block Transceiver for Industrial Control Serial Communication
- Model #: TECH CABIN - TCH3316
- $17.49 –
- Free Shipping

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RS232 to RS485 Serial Port Data Interface Adapter Converter, 1.2KM LongDistance Transmission, 3Bit Terminal Block Serial Signal Transceiver for Industrial Serial Communication
- Model #: TECH CABIN - TCH3315
- $17.49 –
- Free Shipping

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DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 10 8 7 XP Macbook - 16FT
- Model #: AOE-848
- $47.89 –
- Free Shipping

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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
- $51.73 –
- Free Shipping

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DTECH 6 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 10 8 7 XP Mac
- Model #: B076WNJLLV
- $34.99 –
- Free Shipping

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USB to Serial Port Module, USB to 4 Way TTL Module 3.3V 12Mbps Baud Rate UART Serial Port Module UART Transceiver, Serial Adapters
- Model #: 612521336966
- $42.99 –
- More options from $42.99 - $53.78
- $5.99 Shipping

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Vszerda DB9 to RJ45 Serial Converter RS232 Male/Female to RJ45 Ethernet Port Adapter, Supports Long Distance Transmission up to 20m via CAT5/CAT6 Cable, Plug and Play (2Pcs Male+Female)
Limited time offer, ends 09/16
- Model #: HT6FH56
- $19.99 –
- Free Shipping

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M.2 to four-port RS232 serial port card COM ports M KEY adapter card DB9-pin expansion card
- Model #: C738-WXY-80500037
- $43.99 –
- Free Shipping

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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
- $94.99 –
- Free Shipping

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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
- $550.14 –
- More options from $549.86
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DB9 RS232 to RS422 RS485 Serial Converter Adapter, Integrated COM Port Connector, FullDuplex 232485/422 Communication Transceiver for Industrial Serial Data Transmission
- Model #: TECH CABIN - TCH3313
- $17.49 –
- Free Shipping

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PCIEASIX/AX9900 single serial port expansion card - PCIE to 9-pin printer interface serial port card
- Model #: C738-WXY-80500034
- $36.99 –
- Free Shipping

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PCIE1 serial port 9-pin with power supply + 1 expansion card AX99100 chip serial and parallel port expansion card
- Model #: C738-WXY-80500035
- $35.99 –
- Free Shipping

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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
- $116.20 –

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SerialGear 8-Port RS-232 USB to Serial Adapter Data Control Box
- Model #: USB-8COM
- $166.29 –
- $3.99 Shipping

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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
- $328.29 –
- $5.99 Shipping

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Passive DB9 9Pin RS232 to RS485 Serial Adapter Converter, No External Power Required, DB9 COM Port to A/B Terminal Block Passive Transceiver for ShortRange Industrial Serial Communication
- Model #: TECH CABIN - TCH3327
- $17.49 –
- Free Shipping

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PCIe 4-port power supply conversion card with RS232 serial port card, SATA power supply 9-pin conversion card
- Model #: C738-WXY-80500036
- $42.99 –
- Free Shipping

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3.5-inch IDE to SATA adapter card - Desktop computer hard drive/IDE optical drive to SATA converter parallel port to serial port
Limited time offer, ends 09/15
- Model #: C738-dWXY-80110028
- $19.89 –
- Free Shipping

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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
Limited time offer, ends 09/14
- Model #: B017D51ZRQ-YIXIN
- $27.98 –
- Free Shipping

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(EU Plug)(8 port)4 Port Active Serial RS232 Splitter 1 to 4 RS232 bi-direction Switcher Splitter 4 to 1 Support Bidirectional Transmission
- Model #: LJX-HDMI-A0598
- $114.09 –
- More options from $114.09 - $175.62
- Free Shipping

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TXIC RS232 serial port server - RS232 to Ethernet port TCP/IP network communication device with management
Limited time offer, ends 09/15
- Model #: C738-WXY-80500017
- $34.89 –
- Free Shipping

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1Pcs/Lot CP2102 USB 2.0 to UART TTL 6PIN Serial Converter Module, USBtoTTL Serial Port Adapter Board for MCU Debugging, Device Programming, Industrial Serial Communication Projects
- Model #: TECH CABIN - TCH3514
- $17.49 –
- Free Shipping

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PCIEASIX/AX99100 single serial port expansion card - PCIE to 9-pin printer interface serial port card
- Model #: C738-WXY-80500032
- $26.99 –
- Free Shipping

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FT232RL USB to TTL Serial Port Module, MultiLevel 5V 3.3V 1.8V Logic Level Small Board, USB Serial Download Burn Debug Board for MCU Program Upload Hardware Development
- Model #: TECH CABIN - TCH3277
- $17.49 –
- Free Shipping