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Find your rs-485 interface card easily amongst the 34 products from the leading brands (ESD, Schweitzer Engineering Laboratories, ...) on DirectIndustry, the industry specialist for your professional purchases.

The PEX4S232485 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 lets you add two RS232, and two RS422/485 serial ports to your PC through a PCI-Express expansion slot.

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The 7404ec PCI Express serial interface provides four multifunction serial ports, each individually field-configurable for RS-232, RS-422, or RS-485. Each serial port features an ultra high-speed UART, flexible clock prescaler, and large 256-byte Tx/Rx FIFOs allowing the adapter to support the widest range of standard and non-standard baud ...

With this card, it can add 2 port Serial RS232, RS-422(Point to Point Mode), or 2 Wire RS-485 or 4 Wire RS-485(RS-422 Multi-drop mode) to your system’s need. The 52031 supports 256 bytes onboard FIFO and compatible with 16C1050 UART specification.

The 7802ec low profile PCI Express serial interface provides eight serial ports, each individually field-configurable for RS-422 or RS-485 communications. Each serial port features an ultra high-speed UART, flexible clock prescaler, and large 256-byte Tx/Rx FIFOs allowing the adapter to support the widest range of standard and non-standard baud ...