Key Specifications/Special Features:

■ 48 Bits digital I/O lines (2 groups)

■ 8255 PPI made 0 x 2

■ Power requirement:+5v only

■ Pin-compatible with Opto-22 I/O module

■ Output status readback

■ Interrupt options:Jumper selectable tolevel 5,9,10,11,12,15

■ Transfer rate max 400KB/sec

■ Digital output : Logic level 0 : 0.5V max@24mA Logic level 1 : 2.0V min@15mA

■ Digital input : Logic level 0 : 0.8V max Logic level 1 : 2.0V min