◇ Compatible with USB 1.1/2.0
◇ Portable
◇ Bus-powered
◇ 48 TTL digital I/O lines
◇ Emulates mode 0 of 8255 PPI
◇ Buffered circuits for higher driving capacity than 8255
◇ Interrupt handling
◇ Timer/Counter interrupt capability
◇ Supports both dry and wet contact
◇ 50-pin Opto-22 compatible box header
◇ Suitable for DIN-rail mounting
◇ Lockable USB cable for rigid connection |