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4-Port PCIe RS485/RS422 Serial Expansion Card, DB9 COM Adapter with Surge Protection & Terminal Blocks for Industrial Automation
- Equipped with 4 independent RS485/422 DB9 ports, comes with matched terminal block adapters for field wiring.
- Built-in surge and lightning protection plus voltage suppression circuit to resist industrial site voltage spikes.
- Standard PCIe x1 specification compatible with PCIe x1/x4/x8/x16 slots on industrial and desktop motherboards.
- Anti-interference circuit supports long-distance transmission for PLC, inverter, sensor and field bus devices.
- Fully compatible with Windows and Linux OS for quick plug-and-play installation in industrial control systems.
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This 4-port PCIe RS485/422 serial card features robust surge protection and supporting terminal blocks. Optimized for harsh industrial environments, it reliably expands multi-channel serial connections for automation equipment and legacy industrial hosts.
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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 for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by Tech Cabin Return Policy
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