Lights And Controls - IBM 7133 D40 Service Manual

Lights and Controls

The lights and controls of the 7133 Models D40 and T40 consist of:
v Operator panel lights and controls
v Disk drive status lights
v Controller card light
v Fan assembly lights
v Power supply assembly lights and controls
v Bypass card lights
v Disk drive module lights
The operator panel of the 7133 is located behind a flap to prevent accidental operation
of the controls. To open the flap, press and release the latch button 1 (see Figure 2).
1
Figure 2. Operator Panel Flap and Latch Button
The flap pivots to the left.
Figure 3 shows the lights and controls of Model D40; Figure 4 shows the lights and
controls of Model T40.
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Chapter 1. Reference Information