IBM 2104 DL1, Installation Manual

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Switching On and Testing the 2104
1. If the power to the using system is switched off, switch it on.
2. Refer to Figure 19.
3. The 2104 disk enclosure has two lights. The green 2104 Activity light
1
comes on
and stays on. The amber 2104 Check light
2
comes on for approximately two
seconds and goes off.
4. Each disk drive module has two lights.
The green Activity light
3
comes on for approximately two seconds when power is
first supplied to the disk drive; it then goes off.
The amber Check light
4
then comes on for approximately two seconds and then
goes off.
Note: Dummy disk drive modules have no lights.
Configuration is complete when the lights on the 2104, and its installed disk drive
modules, are as described here (refer to Figure 19):
2104 Power light
1
: On
2104 Check light
2
: Off
Activity light
3
on each installed disk drive module: Off
Check light
4
on each installed disk drive module: Off
1
2
3
4
Figure 19. Checking the Lights
Installing a 2104 Model DL1
25