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    PCIe to 4-Port RS-485/422 Serial Card, High-Speed 9-Pin DB9 COM Port Expansion with Surge/Lightning Protection, Voltage Suppression Terminal Blocks

    • "Industrial-Grade Stability & Efficiency", Powered by the AX99100 high-performance chipset, this PCIe to RS-422/485 card ensures ultra-stable operation, enhanced compatibility, and low power consumpti
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    PCIe to 4-Port RS-485/422 Serial Card, High-Speed 9-Pin DB9 COM Port Expansion with Surge/Lightning Protection, Voltage Suppression Terminal Blocks

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