IOtech/National Instruments Digital488/80A 80-Bit IEEE-488 Digital I/O Converter
IOtech Digital488/80A 80-Bit IEEE-488 Digital I/O Converter. Specifications are from IOTech and may vary slightly due to upgrades, options, or revisions this unit may or may not have. Its two channels of 40 TTL lines can be treated as multiple 8-bit ports.