3U Compact PCI 2-Port RS-232, RS-422, RS-485 Serial Interface

Part: 7901   Model: COMM+2.cPCI

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Description

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 7205e.

The 7901 is a 3U compact PCI serial interface that provides two 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. 16C850 UARTs with deep 128 byte FIFOs are standard to reduce system overhead, even at high speeds.

Note: This item has a minimum order quantity (MOQ) of 25 units. Please contact your sales representative with any questions.

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Additional information

Communications Chip

16C850

Electrical Interface

RS-232, RS-422, RS-485

Humidity Range

10 – 90% Relative Humidity, Non-Condensing

Host Interface(s)

Compact PCI

Max Data Distance

4000 feet

Max Data Rate

460.8K bps

Operating Temperature

0°C to 70°C (32°F to 158°F)

# of Ports

2

Serial Connector(s)

DB9M

Storage Temperature

-50 – +105C

UART Series

850 UART

  • Two 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)
  • PCI bus 2.2 compliant
  • Universal 3.3 and 5V compatible
  • Full RS-232 control signals supported
  • 16850 buffered UART with 128-byte FIFO

Windows Software

Software: SeaCOM - Windows

Linux Software

Software: SeaCOM - Linux

Manual

Manual: 7901

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