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Section 3
Operation
This section describes the operating and maintenance procedures for the
MSU990119902/9911/9912 fixed-disk units.
CAUTION
Damage to the disk drives may result if the MSU subsystem is relocated.
The MSU cabinet and drives when fully assembled are not designed for
mobility.
.
.
- Movement of the MSU
~binet
with drives installed is allowed for CSD
servicing only.
- When relocation is requi!;ed, the drives must be removedJr9m the cab-
inet and transported in their shipping container.
Power-On Procedure.
Operation
In the following procedure, it is assumed that all cables have been properly
connected.
1.
Open the door on the front of the unit and make sure the MAIN AC circuit
breaker is in the ON position (Figure
3~1).
2. Press the START button (Figure
3~2).
If the unit is working properly, the
READY indicator
(locat~d
on the START button) will flash, indicating that
. . the power-on sequence is in progress.
3. Observe that the READY indicator lights steadily within 45 seconds, indica-
ting that the power-on sequence has been completed. (The MSU991119912
will automatically perform a self-diagnostic test that lasts about ten seconds
and causes a buzzing sound on each next power-on sequence.)
4. Ob$erve that the
FAU~T
indicator is not lit.
3-1
HD42-OO
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