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PCIe 2-Port RS232 Serial Adapter Card with DB9 Ports, Dual COM Expansion Card for Industrial PC & Desktop
- Model #: B3EN-S2374
- $37.59 –
- Free Shipping

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6ft (1.8m) 1-Port USB to Serial RS232 Adapter, FTDI DB9 Serial DCE Adapter Cable, Null Modem, USB 2.0 - TAA
- Model #: 785062710154
- $58.13 –
- More options from $58.13 - $62.13
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PCIe to 8-Port RS232 Serial Expansion Card, DB9 9-Pin COM Adapter with Low Profile Bracket, Industrial Serial Card Supports Windows Linux and SFF Chassis
- Model #: B3EN-S2268
- $57.59 –
- Free Shipping

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USB2.0 to RS232 RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Converter Adapter Cable FTDI chipset 1.8M (RS232/RS422/RS485)
- Model #: 20260720ZP7178C5JS
- $92.30 –
- Free Shipping

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StarTech ICUSB232PROC USB C to Serial Adapter - with COM Port Retention - Windows / Mac / Linux - USB C to DB9 Cable - USB C to RS232 Cable
- Color: Black
- Changer Type: USB to DB9 (RS-232)
- Specifications: Humidity: 5~85% RH Operating Temperature: -10 to 80 degree C Storage Temperature: -20 to 100 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 #: ICUSB232PROC
- $49.28 –

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DTech 6 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac
Limited time offer, ends 08/09
- Model #: C745-Lsy715-503
- $52.09 –
- Free Shipping

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USB3.0 TYPE-C To rs232/485/422 converter serial port com port 9-pin transmission industrial grade PLC control computer
- Model #: 20260720ZP6999C5JS
- $85.39 –
- Free Shipping

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PCI Eight Serial Port Card RS232 Expansion DB9 Pin Adapter Card COM Communication Filtering Anti-interference and Anti-surge
- Model #: 20260720ZP6917C5JS
- $76.73 –
- Free Shipping

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6ft (1.8m) 1-Port FTDI USB to Serial RS232 Adapter Cable with COM Retention, USB to RS232 Adapter - TAA
- Model #: 534487022046
- $63.99 –
- More options from $63.99 - $67.99
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Mini PCIe to 4-Port Industrial RS232 Serial Card, DB9 COM Expansion Adapter Working at -40~+85
- Model #: B3EN-S2394
- $87.89 –
- Free Shipping

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Vszerda DB9 to RJ45 Adapter RJ45 to RS232 Converter RJ45 Female to 9 Pin Adapter DB9 Male Serial COM Port to Network Port Adapter
Limited time offer, ends 08/08
- Model #: C72J-Y-0184-2IN1
- $16.99 –
- Free Shipping

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DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet
Limited time offer, ends 08/08
- Model #: C72J-Y-1781-2IN1
- $28.08 –
- Free Shipping

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Vszerda PCIe to Dual RS232 Serial Port Card with DB9 Connectors - 2-Port COM Expansion Card for Industrial PCs, Desktop Computers, and 9-Pin Multi-Serial Adapter
Limited time offer, ends 08/18
- Model #: G89RF4D9
- $48.99 –
- Free Shipping

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4-Port PCIe RS232 Serial Expansion Card with 5V/12V Power Output, DB9 COM Adapter for Industrial Control & Legacy Equipment
- Model #: B3EN-S2380
- $47.89 –
- Free Shipping

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17in (43cm) 1-Port USB to Serial Adapter Cable, USB-A to DB9 RS232 Adapter, Prolific Chipset - M/M
- Model #: 503150525808
- $38.99 –
- Free Shipping

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2 Port RS-232 Serial to USB Adapter Cable, FTDI Chipset, 5ft Length, ESD Protection, Windows/macOS/Linux Compatible
- Brand: Gearmo
- Part Number: USA-FTDI2X
- Color: Black
- Dimensions: 4.191 in x 13.589 in x 18.1102 in
- Model #: 701949729599
- $65.99 –
- Free Shipping

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FOR PCIE Two-port RS232 Serial Port Card COM Port Expansion Card DB9 Pin Adapter Card 232
- Model #: 20260720ZP6881C5JS
- $59.97 –
- Free Shipping

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4 Port TTL USB to Serial Adapter, Type C Interface, 3.3V Power Output, High Speed Data Transfer for Embedded Systems and IoT Projects
- Model #: CLAWB0DMWKLZZS
- $144.99 –
- Free Shipping

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Industrial Serial to Fiber Converter RS232 RS485 RS422 Optic Modem, Bidirectional SC Port Serial Fiber Converter 20KM Over 1310nm Single-Mode SC Fiber, DC12~48V Power Input
- Model #: CLAWB0DK5FGLQN
- $193.99 –
- Free Shipping

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PCIe Dual RS485/RS422 Serial Card with DB9 & Terminal Block Adapters, 2-Port Industrial COM Expansion Adapter
- Model #: B3EN-S2384
- $67.79 –
- Free Shipping

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4-Port PCIe RS485/RS422 Serial Expansion Card, DB9 COM Adapter with Surge Protection & Terminal Blocks for Industrial Automation
- Model #: B3EN-S2391
- $67.89 –
- Free Shipping

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- $27.50 –
- Free Shipping

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M.2 Key M/B to Dual DB9 RS232 Serial Card, PCIe 2.0 x1 2-Port COM Adapter for Embedded & Terminal Equipment
- Model #: B3EN-S2390
- $55.89 –
- Free Shipping

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USB C to RS485/RS422 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac
- Model #: LHXC6W1JU13-388
- $54.99 –
- Free Shipping

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IO-PCE382-2S PCIe X1 2-Port DB9 RS232 Serial Expansion Card for Industrial PC & Data Acquisition Equipment
- Model #: B3EN-S2383
- $33.89 –
- Free Shipping

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2-Port Industrial RS232 PCIe Serial Card, PCI-E x1 DB9 COM Port Expansion Adapter Compatible with PCIe x4/x8/x16
- Model #: B3EN-S2294
- $31.09 –
- Free Shipping

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USB 2.0 To RS232 Serial DB9 9 Pin Male Converter Cable Black 0.8m 1 Port Adapter for Cisco Routers Switches Telescope
- Model #: FZW-LJX-152
- $27.53 –
- $8.00 Shipping

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PCI 2 Port Serial Expansion Card PCI to Industrial DB9 COM RS232 Converter Adapter Controller for Desktop PC with Low Bracket
- Model #: sss-81
- $13.75 –
- Free Shipping

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PCIe Serial Parallel Combo Card, AX99100 Chip 2×DB9 RS232 + DB25 LPT Printer Port PCI Express Adapter
- Model #: B3EN-S2286
- $27.39 –
- Free Shipping

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IO-PCE382-2S PCIe X1 Dual RS232 Serial Card, 2-Port DB9 COM Expansion Adapter with Low Profile Bracket for Industrial PC & Data Acquisition
- Model #: B3EN-S2382
- $33.86 –
- Free Shipping

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20CM F&T>D*I USB 2.0 Converter Adapter Cable to RS-232 9-Pin RS232 Serial Port
- Model #: CLAWB0FCMPW1JN
- $77.99 –
- Free Shipping

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SerialPulseX USB to RS232 DB9 Adapter with 9 LED Indicators for Real-Time Diagnostics, PL2303 Chipset, USB to COM Port Converter for PLC, CNC & Serial Debugging, Windows & macOS
- Brand: BELKIN
- Series: USB232A-E-A
- Part Number: USB232A-E-A
- Type: DB9 to USB Adapter
- Model #: 591538476580
- $41.99 –
- Free Shipping

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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
- $294.16
- $285.46 –
- More options from $281.99 - $311.18


