Technical data

4 Open the System Doors
The system doors are locked. To unlock and open them:
1. Find the key in the shipping carton (Figure 1). Two keys are provided,
one to keep as a spare.
2. Insert the key in the three-position rotary lock shown in Figure 3. Turn
the key to the bottom position to open the upper and lower doors as a
single unit.
3. Open the doors by pulling the handle on the upper door. Figure 3 shows
the door handle.
Figure 3: Lock and Key Positions
Tape Drive Controls and
Door Handle
(Both Doors Open)
Middle Key Position:
No Access to Controls
Bottom Key Position:
Access to Power Switch;
All Controls and Indicators
Top Key Position:
Access to SCP, ISEs, and
Rotary Key Lock
Indicators (Upper Door Open)
(Both Doors Locked)
MLO-006033
SCP stands for system control panel and ISE stands for Integrated
Storage Element.
VAX 4000 Model 300 Installation 5