Top of the line TTL digital I/O board with high source/sink, speed and number of channels. Click on link to see options with electro-mechanical or solid state relays, counters, optical isolation or less digital channels.

  • PC/104 Plus (PCI-104 Optional)
  • 96 Channel TTL-DTL high speed digital I/O
  • Software selectable in vs. out as 8 bit and 4 bit ports
  • Emulates 4 industry standard 8255 PPIs (mode 0)
  • Full 32-bit PCI interface design
  • Buffered circuits for higher driving capacity
  • Low CPU overhead
  • Known power-up states
  • Output port status read back
  • Standard 50-pin IDC connectors (x4)
  • 0 to +70° C and -40 to +85° C versions available

For over 20 years, ACCES I/O Products, Inc. has supplied an extensive range of analog, digital, serial communication, and isolated I/O boards and solutions. ACCES also offers complete systems, integration services and enclosures with a quick turn-around on custom projects including software. ACCES products are designed for use with PC/104, USB/104, Pico-I/O, PCI Express, PCI, PCI-X, Low Profile PCI, ETX, EPIC, USB, Ethernet and ISA, as well as distributed and wireless I/O. ACCES is a privately held, financially strong company with approximately 30 employees (12 of which have over 140 years of cumulative experience at ACCES). With new trends forming, and technologies emerging, ACCES provides the market with current, practical, and easy to use data acquisition products and solutions. New technologies such as PCI Express,wireless, Ethernet, and USB based data acquisition are just a small example of present and future applications utilizing ACCES I/O's data acquisition products and expertise. With a focus on complete customer support, service, and satisfaction, ACCES has developed a diverse customer base. Serving virtually every type of application including temperature monitoring and control, military and communication systems, flight simulation, automation and many more has enabled ACCES to design new products with the customer in mind. Visit for full details on products, services, application stories, and latest ACCES news, or call toll-free at (800) 326-1649.

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