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Ethernet Network Serial Port Converter RJ45 to RS232 RS485 RS422 Industrial Device Server Support TCP/RTU/UDP with Power Cable
Limited time offer, ends 08/30
- Model #: DW-TXI038
- $45.99 –
- Free Shipping
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Powerful Performance 5 Network Ports Industrial Serial Port 232/485 Dual SIM Card 4G Industrial Router AR550 PoE Power Supply, PLC Remote Control
- Model #: CHIYB0D8PPKLKN
- $392.99 –
- Free Shipping
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Kentek DB25 2 Way Manual Data Switch Box RS-232 Parallel Serial D-Sub 25 Pin Female I/O AB Port for PC MAC to Peripherals Devices Printer Modem
- Model #: CHIYB07KWRWLRN
- $78.99 –
- Free Shipping
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PCIe to 4 x Serial Port DB9 RS232 COM Expansion Card PCI Express X1 Riser Card Adapter Chipset ASIX/AX99100
- Model #: DW-TXB077
- $17.17 –
- Free Shipping
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8 Serial Port DB9 RS232 PCIe Riser Card PCI-Express X1 Expansion Card Adapter High Speed 920KB with Heat Sink Chip ASIX AX9900
Limited time offer, ends 08/30
- Model #: C75J*OYJ*G1*0717-136
- $62.96 –
- Free Shipping
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- $18.47 –
- Free Shipping
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IO CREST 8 Port Serial DB9 RS-232 PCI Controller Card RDC C6238 Chipset SI-PCI15068
Limited time offer, ends 08/29
- Model #: C7FK-OYS-2026.7.28-553
- $75.99 –
- Free Shipping
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PCIe to 4-Port RS-485/422 Serial Card with Opto-Isolation, Surge/Lightning Protection & Terminal Block - Industrial-Grade Multi-Port Expansion Card for COM Port, Automation, Communication
Limited time offer, ends 08/29
- Model #: C7FK-OYS-2026.7.28-67
- $74.99 –
- Free Shipping
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PCIe to 4-Port RS-485/422 Serial Card with Opto-Isolation, Surge/Lightning Protection & Terminal Block - Industrial-Grade Multi-Port Expansion Card for COM Port, Automation, Communication
Limited time offer, ends 08/29
- Model #: C7FK-OYS-2026.7.28-573
- $74.99 –
- Free Shipping
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WRIARICH PCI-E 1X to 2-Port RS232 DB9 Male Serial Expansion Card AX99100 Chip Supports RS232/RS485/RS422 with 12CM Bracket
- Model #: SF498SA380
- $39.99 –
- Free Shipping
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USR-DR302 DIN-Rail Modbus RS485 Serial Port to Ethernet Converter Bidirectional Transparent Transmission Between RS485 and RJ45
- Model #: LC6W1J25-1347
- $96.99 –
- Free Shipping
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8 Port Serial RS232/422/485 PCIe Module Isolation and Surge Protection
- Model #: TOLDB01NCJY2GH
- $671.99 –
- Free Shipping
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Vszerda FOR R100A Dual Serial Port RS232/485 to Ethernet RTU to Ethernet Internet of Things TCP/IP Gateway Data Transmission Module
Limited time offer, ends 08/18
- Model #: 1BG9R8DG
- $119.39 –
- Free Shipping
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RS232 Serial Port Interface Card with Printer Supplies TM-U210 M188B TM-L90 TM-U325 TM-T88V M129C TM-U220PD
- Model #: TOLDB0G2KSNG1G
- $88.99 –
- Free Shipping
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IO CREST 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SY-PEX15066
- Model #: TOLDB07Y92R526
- $75.99 –
- Free Shipping
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PCIe to 8 Port RS232 Serial Card PCIe to 8 Ports Serial RS232 Expansion Card Riser Card COM Controller 17V358
- Model #: TOLDB0DD3ZDGTX
- $116.99 –
- Free Shipping
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2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SY-PEX15066
- Model #: TOLDB0FMLD3RJL
- $83.99 –
- Free Shipping
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8 Port RS-232 DB9 Serial PCI-e 2.0 x1 Card XR17V358 Chipset 16C550 UART SI-PEX15041
- Model #: TOLDB00M1BQLO0
- $118.99 –
- Free Shipping
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Syba 2 Port Serial DB9 RS232 PCI-e 1.0 x1 with Low Bracket SI-PEX15055
- Model #: TOLDB01LY3YUI9
- $82.99 –
- Free Shipping
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PCIe to 2 Serial Port RS232 DB9 PCI-E PCI Express 1x Adapter Riser Card Support RS232, RS485 & RS422 Modes Chipset ASIX/AX9900
Limited time offer, ends 08/29
- Model #: DW-TXB068
- $17.40 –
- More options from $17.40 - $18.45
- Free Shipping
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MOXA NPort 5610-8-DT - 8 Port RS-232 Desktop Serial Device Server
- Model #: CHIYB078YDBXPK
- $1,170.99 –
- Free Shipping
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2-Port Serial to Ethernet Servers USR-N520-H7-6 with RS232/485 Interface (USR-N520-H7-6 * 1 Set)
- Model #: CHIYB0DJFG5YHW
- $178.99 –
- Free Shipping
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HF2211 Serial Port Server RS232/485/422 to Ethernet Converter, Serial Communication DTU Device
- Model #: RCCWB0CPWSNVNV
- $88.99 –
- Free Shipping
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MOXA NPort 5610-8-DT - 8 Port RS-232 Desktop Serial Device Server
- Model #: RCCWB078YDBXPK
- $720.99 –
- Free Shipping
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PCI-E 1x Single Port DB9 RS232 PCIe to Serial Port Expansion Card Adapter Converter Chipset ASIX AX9900 for Desktop PC Computer
- Model #: DW-TXB067
- $17.49 –
- Free Shipping
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PCI to 8x Serial Port RS232 DB9 COM Expansion Card I/O Controller Riser Adapter Chipset Systembase 16C1058 with Output Cable
- Model #: DW-TXB062
- $69.33 –
- Free Shipping
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Global Band Industrial 4G LTE Router GPS Function Enhanced OPENVPN RS485 Serial Port USR-G806s-G x 1 Set
- Model #: CHIYB0DMZX2MK2
- $303.99 –
- Free Shipping
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JMT PUSR USR-G806S 4G LTE Industrial VPN Router with RS485 Serial Port Support Modbus RTU to TCP
- Model #: CHIYB0BW93N1MK
- $234.99 –
- Free Shipping
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UOTEK RS232 to 100M Ethernet Device Server RS85 RS422 TCPIP 10/100M TCP/IP to 1 Port RS-232/485/422 Serial Device Server UT-6801A(DIN-Rail Mounted)
- Model #: CHIYB0CX1CY2NK
- $126.99 –
- Free Shipping
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WRIARICH PCI-E 1X 2-Port Serial Expansion Card AX99100 Chip, Dual DB9 Male COM Ports Support RS232 RS485 RS422 with 12CM Standard Bracket
- Model #: VDSG498SG2
- $39.99 –
- Free Shipping