Front View And Physical Description - Digital Equipment VAX 4000 500A Operation

1.1 Front View and Physical Description

Your system has a divided door that restricts access to the system controls.
MLO-004032
A three-position rotary lock lets you lock the upper and lower doors, or just the
lower door. Opening the upper door lets you access controls for the EF/RF-series
Integrated Storage Elements (ISEs), tape drive, and System Control Panel (SCP).
Opening both doors lets you access all system controls and cable connections.
1–2 System Overview