This product is a PCI Express board that extends the input / output function of the digital signal on a personal computer.It is a photocapura instruction type with a 5VDC power supply that does not require an external power supply, with 16 points in TTL level input, 16 points of TTL level output.All input signals can be used as interrupts.In addition, it is equipped with a digital filter function that prevents incorrect recognition of input signal.A Windows/Linux driver is attached.- [Extended module] Bus specification PCI Express Size Short size Used connector D-SUB 37-pin (female) [Digital input/output] number of input points 16 points Output points 16 points two -way score - Response speed (input) 1μSec (max.) Response speed (output) 1μSec (max.) Operate voltage (input) 5VDC-TTL Operate voltage (output) 5VDC-TTL input circuit Photobapura inserted TTL level input (negative theory) Output circuit Photobapla inserted TTL level output (negative argument) Built -in power supply 5VDC