The Mercator II PC/104-Plus module integrates 4 PCI-based 10/100 Ethernet ports with 24 user-configurable digital I/O lines in the compact and rugged PC/104 format. This 2-in-1 combination of Ethernet and digital I/O can help lower the size and cost of your embedded system by eliminating one additional board from your PC/104 stack.

The Ethernet ports are driven by two dual Micrel KSZ8842 Mac + Phy PCI controller chips, two ports per chip, and are NE2000 compatible. Each chip has a unique MAC address; therefore, only two Ethernet ports are visible to the end user for active communication. The other two ports work in switch fashion to enable daisy chaining of networks with one port on the chip as an uplink to a network while the other port provides active communication on the network.

The 24 digital I/O lines are based on an 82C55 chip and feature programmable direction in 4- and 8-bit groups. All I/O lines contain user-configurable 10K ohm pull-up resistors for convenience.

Extended temperature capability of -40ºC to +85ºC enables the board to operate in environments with extreme temperature swings, such as vehicles or outdoor installations.

  • 4 PCI-based 10/100 Ethernet ports
  • Ethernet activity LEDs for each port
  • 24 digital I/O lines on ISA bus
  • Pin header Ethernet connections
  • Rugged design for harsh environments
  • Operating temperature -40ºC to +85ºC
  • Fully PC/104-Plus compliant mechanical design
  • Multiple assembly options: 1 or 2 Ethernet ports, with or without digital I/O

DIAMOND SYSTEMS CORPORATION, founded in 1989, provides compact, rugged embedded computing solutions to customers around the world in a wide range of industries. We deliver both board-level products and system-level solutions incorporating these products. Our expertise is in analog I/O technology, high integration, customization, and rugged design. Our embedded CPU boards provide a unique level of integration by incorporating data acquisition and other features right on the board, reducing size and cost. Our analog I/O capabilities include our patented, best-in-class autocalibration technology that reduces analog measurement errors by a factor of 10 over competitors' solutions.



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