IBM MTM 2145-12F, Hardware Installation Manual

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10. Ensure the toe on the bottom of the latch is fully engaged with the partition in
the chassis.
11.
Ensure that the top toe of the latch is also fully engaged (
▌4▐
in Figure 82 on
page 85).
12. Repeat steps 5 on page 84 through 11 for each drive you are replacing.
13. Replace the cover, as described in “Installing or replacing the top cover:
2145-92F” on page 80.
14. Slide the expansion enclosure back into the rack, as described in “Installing or
replacing an expansion enclosure in a rack: 2145-92F” on page 61.
Installing or replacing a secondary expander module: 2145-92F
You can replace a faulty secondary expander module in a 2145-92F expansion
enclosure. You can also reinstall the secondary expander modules after you
perform other service tasks.
Before you begin
DANGER
Hazardous voltage present. Voltages present constitute a shock hazard, which
can cause severe injury or death. (L004)
DANGER
>240VA
Hazardous energy present. Voltages with hazardous energy might cause
heating when shorted with metal, which might result in splattered metal,
burns, or both. (L005)
CAUTION:
Use caution when you are removing or replacing a secondary expander module
from an enclosure (01LJ112) that is powered on. Avoid contact with the
connectors on the main board. Only an IBM Service Support Representative
(SSR) can remove the secondary expander module if the 01LJ112 enclosure is
powered.
Important: You can replace a secondary expander module without powering off
the expansion enclosure. However, to maintain operating temperature, do not keep
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SAN Volume Controller: Model 2145-SV1 Hardware Installation Guide