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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
- $17.99 –
- 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
- Model #: DW-TXB068
- $19.99 –
- Free Shipping

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PCIe 1X to 1 Port DB9 RS232 Serial Port + 1 Port DB25 Parallel Port Expansion Card I/O PCI Express Riser Card Chip ASIX/AX9900
- Model #: DW-TXB069
- $19.99 –
- Free Shipping

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UOTEK Industrial PCI to RS232 Opto-Isolated High-Speed Serial Card RS-232 8 Ports Computer Serial Expansion Converter Adapter HDR78 Female DB9 Female Connector with Electrostatic Protection UT-768I
- Connectors: HDR78 Female
- Temperature: -40~85°C
- Model #: UT-768I
- $252.79 –
- 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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JAENFONG Ethernet RJ45 to RS232 DB9 Serial Port Device Server Converter Industrial Ethernet LAN Adapter Support TCP/RTU/UDP Modes
- Model #: ZZ-959
- $30.31 –
- Free Shipping

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JAENFONG Ethernet Network Serial Port Converter RJ45 to RS232 RS485 RS422 Industrial Device Server Support TCP/RTU/UDP with Power Cable
- Model #: ZZ-942
- $49.97 –
- Free Shipping

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RS232 to RS485 Serial Network Ethernet Device Server Active Converter DB9 Female with Power Supply Cable for Industrial Use
- Model #: DW-TXI126
- $27.99 –
- Free Shipping

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PCIe 1X to 1 Port DB9 RS232 Serial Port + 1 Port DB25 Parallel Port Expansion Card I/O PCI Express Riser Card Chip ASIX/AX9900
- Model #: DW-TXB069
- $18.45 –
- Free Shipping