PCI card 168 Bit OPTO-22 Compatible Digital I/O Board, extension board, TTL, 3.3 V/5 V Universal PCI, 32-bit, 33 MHz, 4-bit card ID, data acquisition

Universal PCI, 56-channel DIO Board, 32-bit, data acquisition, TTL

Universal PCI, 96-channel OPTO-22 Compatible DIO Board, data acquisition, TTL

Universal PCI, 24-channel DIO Board, 32-bit, data acquisition, TTL

Universal PCI, 48-channel OPTO-22 Compatible DIO Board, counter, data acquisition, TTL

Universal PCI EXpress, 48-channel OPTO-22 Compatible DIO Board, 1x PCI Express, data acquisition, TTL

PCI/Universal PCI, 144-channel OPTO-22 Compatible DIO Board, data acquisition, TTL

Universal PCI, Bus, 64-channel DIO Board With Timer/Counter, data acquisition, TTL

Universal PCI, 56-channel DIO Board, 1x PCI Express, 1x Female DB37 I/O Connector, data acquisition, TTL, 24x DI