The ICE-T2D Module is a Differential TTL to TTL Converter for use on an ICE card with a 16-bit digital I/O site. It supports standard Midas switch output connections.

The input connector is a 40 pin ribbon cable with data bit 0 on pins 1&40, bit 1 on pins 2&39, ... , bit 15 on pins 16&25, and clock on pins 20&21.

The +5V supply is supplied by the module site.