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8-Port Serial to Ethernet Converter RS232 RS485 RS422 TCP/IP Device Server Modbus RTU to TCP Gateway
- Model #: ZP0806ZP.2026536
- $185.48 –
- Free Shipping
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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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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
- Model #: 666ZP0724ZP.202650
- $42.19 –
- Free Shipping
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MM-PCI16C1058-8S PCI to 8-Port RS232 Serial Adapter Card 926.1Kbps Desktop COM Port with 1 to 8 DB9 Serial Cable Support PCIIRQ Sharing
Limited time offer, ends 08/29
- Model #: Kepler-8.7-OYS-689
- $54.74 –
- 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
Limited time offer, ends 08/30
- Model #: C738-WXY-80400014
- $26.89 –
- Free Shipping
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PCIe to 2-Port RS232 Serial Card 9-Pin COM Port Expansion Adapter, WCH382L Chipset, Parallel Port Converter, PCI-E to DB9 Serial Interface Card for Desktop PC
- Model #: 666ZP0722ZP.202640
- $29.19 –
- Free Shipping
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PCI Multiport Serial Card Serial port RS232 6 COM port 9-pin device PCI card industrial expansion 9865 chipset win10
Limited time offer, ends 08/30
- Model #: 20260720ZP6929C5JS
- $56.01 –
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W630 Industrial Serial to WiFi Ethernet Converter RS232 RS485 Dual LAN Port Modbus RTU Gateway
- Model #: ZP0806ZP.2026569
- $83.98 –
- 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)
Limited time offer, ends 08/30
- Model #: 20260720ZP7178C5JS
- $92.30 –
- 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
Limited time offer, ends 08/30
- Model #: 20260720ZP6917C5JS
- $76.73 –
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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
Limited time offer, ends 08/30
- Model #: 20260720ZP6999C5JS
- $85.39 –
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5PCS USR-K7 TTL UART to Ethernet Serial Server Module, 10/100Mbps RJ45 Port, Modbus RTU to TCP Converter
Limited time offer, ends 08/30
- Model #: ZP0806ZP.20261249
- $183.18 –
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DTech 2-Port RS232 Serial Splitter Box COM Port Expander 1x2 with Power Adapter for Sharing PCs and Capture Data
- Brand: G-TECH
- Series: DT-5047
- Part Number: DT-5047
- Specifications: DTech 2-Port RS232 Serial Splitter Box COM Port Expander 1x2 with Power Adapter for Sharing PCs and Capture Data; DT-5047; Guangzhou DTECH Electronics Technology Co.,Ltd; Serial Adapter; 5.12 L x 2.95 W x 1.61 H inches; 0.58 pounds; 1 amps; Monitor
- Model #: DT-5047
- $39.99 –
- Free Shipping
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USB to Micro USB Console Cable with FTDI Chipset, RS232 Serial Port Adapter for Cisco Routers/Switches, PLC, Industrial Control Devices, Compatible with Windows/Mac/Linux (6ft/1.8m)
Limited time offer, ends 08/29
- Model #: XMHKC2ZP-731352
- $51.46 –
- Free Shipping
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PCI-E to 8 Port RS232 Serial Adapter Serial DB9 Controller Systembase SB16C1058PCI asm1083 Chip 8s 8 ports RS-232 com to pcie
Limited time offer, ends 08/30
- Model #: 20260720ZP7057C5JS
- $163.68 –
- Free Shipping
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5 Pack Serial Port 9 Pin Null Modem Adapter DB9 FemaleFemale RS232
- Model #: JrSDq-B01BZ31HHK
- $24.88 –
- 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
Limited time offer, ends 08/30
- Model #: C738-WXY-8050004
- $28.89 –
- 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
Limited time offer, ends 08/30
- Model #: C738-WXY-80500036
- $41.89 –
- Free Shipping
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WRIARICH PCIe x1 to 4-Port DB9 RS232 Serial COM Expansion Card, AX99100 ASIX Chipset Industrial I/O Adapter for Desktop PC
- Model #: SDGF98SV62
- $39.89 –
- Free Shipping
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10 Pack White DB9 Male RS232 Breakout Board with Housing, Solder-Free D-SUB 9Pin Serial Port to Terminal Block Wiring Adapter Module
Limited time offer, ends 08/30
- Model #: ZP0806ZP.20261062
- $47.88 –
- Free Shipping
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Mini PCIe to Serial RS-232 port DB9 Adapter 4 ports RS232 to Mini PCI-e Card chipset converter card
Limited time offer, ends 08/30
- Model #: 20260720ZP6889C5JS
- $64.65 –
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DTECH USB to RS422 RS485 Serial Port Adapter Cable with FTDI Chipset 5 Position Terminal Board for Windows 11 10 8 7 XP Mac (4 Feet)
- Model #: 355756723414
- $51.99 –
- $5.99 Shipping
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USR-N540 4-Port Industrial Serial to Ethernet Device Server, RS232/RS485/RS422 to RJ45 TCP/IP Converter with Modbus Gateway, DHCP & DNS Support for Industrial PLC Automation
- Model #: ZP0806ZP.2026701
- $103.99 –
- 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
Limited time offer, ends 08/30
- Model #: C738-WXY-80500037
- $42.89 –
- Free Shipping
![USB 16 Port Serial Adapter (RS232) [Black]](https://c1.neweggimages.com/productimage/nb300/C42AD25112910GL487B.jpg "USB 16 Port Serial Adapter (RS232) [Black]")
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USR-K7 Low Cost TTL UART to Ethernet Serial Converter 10/100Mbps Modbus Gateway Module with RJ45 Port, 10PCS Pack
- Model #: ZP0806ZP.2026533
- $188.98 –
- 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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USR-N540 4-Port Serial to Ethernet Converter RS232 RS485 RS422 to TCP/IP RJ45 Modbus RTU Gateway Serial Device Server
- Model #: ZP0806ZP.2026479
- $163.27 –
- Free Shipping
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USB 4-Port Serial Adapter/USB 2.0 Quad Port Serial DB-9 RS-232
- Model #: CLAWB004ET8ZAA
- $225.99 –
- Free Shipping
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8 Port PCIE to DB9 RS232 Serial Expansion Card, PCI-E Express RS232 DB9 Serial Controller Adapter Card
Limited time offer, ends 08/30
- Model #: ZP0806ZP.2026976
- $79.98 –
- 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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WRIARICH 10 Pack DB9 RS232 Serial Gender Changer Adapter, 9Pin Male to Male & Female to Female Serial Port Coupler Connector
- Model #: VSDE49FGS68
- $31.59 –
- Free Shipping
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BT578 V3 RS232 Wireless Male And Female Master Slave all Total Station Serial Port Compatible Blue*/tooth Adapter(BT578)
- Model #: OYSC5KU.8.18-606
- $133.99 –
- Free Shipping
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USB to RS485 Serial Port Converter Adapter Cable 6Pin Wire End FT-DI Chip Supports Windows 10 8 7 XP and M-a-c O-S
- Model #: CLAWB0CS5ZYRNL
- $126.99 –
- Free Shipping