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4-Port PCIe RS232 Serial Expansion Card with 5V/12V Power Output, DB9 COM Adapter for Industrial Control & Legacy Equipment
- Expands four independent DB9 RS232 COM ports with selectable 5V/12V pin power for powered serial peripherals.
- Standard PCIe x1 form factor fits all PCIe x1/x4/x8/x16 motherboard slots seamlessly.
- Optimized serial chip delivers stable communication for PLC, sensors and industrial automation hardware.
- Ideal for industrial PC, POS equipment and legacy devices requiring multi-channel serial connection.
- Compatible with mainstream Windows and Linux systems for quick plug-and-play installation.
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This 4-port PCIe RS232 card supplies four DB9 COM ports with optional 5V/12V built-in power to drive external serial devices. Reliable transmission performance makes it a practical upgrade for industrial automation, POS terminals and legacy hardware lacking native serial interfaces.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by Tech Cabin Return Policy
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