G681, G711, G775 DECdisk Modules

This document provides brief technical descriptions and operating specifications for three specific DECdisk modules:

• G681 8 Track Matrix: A single-height board containing resistors and diodes for eight DECdisk read/write heads.
• G711 RF08 Terminator Board: A single-height board containing 15 terminating resistors, providing 100 ohms to ground per input pin, designed for the end of the DECdisk cable bus.
• G775 Indicator Panel: A connector card for driving indicator bulbs, featuring logic level isolation and support for a Flexprint cable connection.