COMM+4.cPCI: cPCI 4 Port RS-232/422/485 Async Serial Adapter

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7904

PCI bus 2.2 compliant
Four-port field selectable RS-232, RS-422, or RS-485 interface
Automatic RS-485 Enable and Disable
Hot Swap compliant (PICMG 2.1 Rev. 3.0)
Full RS-232 control signals supported
Universal 3.3 and 5V compatible

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COMM+4.cPCI: cPCI 4 Port RS-232/422/485 Async Serial Adapter

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Software & Documentation

Sealevel-7904-SL9660-H22 7904-User-Manual

Shipping & Returns

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If you are not completely satisfied with your Sealevel purchase you may return your products for a full refund, exchange, or credit within 30 days of the original purchase (RMA number required). Read full shipping and return policy here.

Product Details

This product is classified as legacy and is not recommended for new or high volume designs.

Sealevel will support legacy products through technical and warranty support, software drivers and product manuals. Please contact Sales for further information. For new product designs, we recommend the 7404e.

The 7904 is a 3U compact PCI serial interface that provides four RS-232, RS-422, or RS-485 serial ports for demanding automation and control applications. Each port can be field configured to RS-232, RS-422, or RS-485 for maximum flexibility.

Our revolutionary Automatic RS-485 Enable circuit is included onboard to simplify multidrop network connections. 16C864 UARTs with deep 128-byte FIFOs are standard to reduce system overhead, even at high speeds.

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