8 (AC or DC) G4 OPTO-22 Digital I/O Module Channels with LED status indicators (Connected to Port’s A; B or C of the Host DAQ PC Card’s PIO or DIO circuitry). Onboard Fuse Tester for testing fuses of O/P modules Jumper selectable Channel I/O direction (ONBOARD DRIVER for O/P’s & DIRECT CONNECTION for I/P’s) For use with PC-43A1/2/3 or PC-43A4(where I/P & O/P Modules can be mixed) & PC-43D using a 10way 1:1 ribbon cable, as well as other DAQ PC-Cards using a custom made cable High quality screw terminals for easy field wiring. There are four 3.2mm diameter holes for mounting or a DIN-RAIL Mounting Base may be fitted (recommended for quick hassle free installations). Dimensions: 107.5(W) x 125(L) x 48(H) mm