Designed to meet the core needs of PC/104 applications requiring high reliability, small size, and long-term availability, Sealevel serial PC/104 modules offer easy installation and robust software support.

Sealevel PC/104 modules are available in extended temperature versions (-40°C – +85°C).

  • Available with 1, 2, 4, 8 or 16 serial ports
  • Available with RS-232, RS-422/485 or RS-232/422/485 interfaces
  • Available with hardware or software selectable interfaces
  • Available with optically isolated interfaces to protect the host system from ground loops that can cause communication failures
  • Available with advanced UARTs with deep FIFOs that support baud rates to 921.6K bps
  • Available with 950 UARTs that support custom baud rates, 9-bit protocols, and isochrononous modes
  • Automatic hardware RS-485 enable/disable eliminates risk of bus contention and data corruption
  • Extended temperature range available (-40°C - +85°C)

Sealevel Systems, Inc. provides innovative hardware and software products enabling computer connectivity and control. Since 1986, we have manufactured Serial and Digital I/O products to serve our customers' interface requirements. Whether you're looking for synchronous or asynchronous serial, analog or digital I/O, industrial computers or touchscreen HMI systems, Sealevel has a solution. Our commitment to customer satisfaction is expressed by our ISO 9001:2000 registration and the Lifetime Warranty that is standard with all Sealevel manufactured I/O products. Currently, we offer over 300 standard RS-232, RS-422, and RS-485 serial and digital I/O devices for multiple interfaces including USB, Ethernet, PCI, PC/104, PCMCIA, ISA, and serial converters. Our Relio® industrial computers and embedded I/O servers offer solid-state reliability and the highest degree of scalable I/O expansion. We have expanded our product line to include SeaI/O® data acquisition modules, SeaPAC® industrial touchscreen HMI systems, and OEM boards.



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