Terminator Plug. Disk unit Input/output connectors not being used must have a terminator plug (fig. 1-
1) installed on the connector to provide continuity for certain I/O bus interface signals.
The disk unit is a heavy piece of equipment. Four technicians are employed when moving the unit. Handles are
provided on the disk unit as an aid when moving the disk unit. Use them (fig. 1-1).
A periodic review of safety precautions in TB 385-4, Safety Precautions for Maintenance of Electrical/Electronic
Equipment, is recommended. When the equipment is operated with covers removed, DO NOT TOUCH exposed
connections or components. MAKE CERTAIN you are not grounded when making connections or adjusting components
inside the test instrument.