TTL-Level Digital Input Board for ISA

This product is PC/AT which performs a TTL level input, and an interface board for the compatible machines. This board can be used being able to mount in the expansion slot or I/O expansion unit of the main part of a personal computer, and can be inputted a maximum of 32 points by this one board.

	In a TTL level input, a high-speed response is possible.
	Four groups and the digital signal of 32 points can be inputted by making eight points into one group.
	Simultaneous assignment of a maximum of 2 levels can do two of 32 input signals as an interruption input.