IBM 3401-S03, Инструкция по эксплуатации прибора, Страница: 40 / 82

3. The sliding nut head must always face away from the enclosure, whichever configuration is used.
CAUTION:
Use only the power cords that are supplied or cords that match the specification in Appendix B, "AC
power cords".
CAUTION:
After the enclosure is installed in the rack, dispose of the lifting straps. Due to the difficulty in
attaching the straps after the enclosure is installed in the rack, the straps are not suitable for removing
the enclosure from the rack.
Inserting modules
See the "Module replacement" chapter for the following instructions:
v "Inserting a cooling module"
v "Inserting a PSU"
v "Inserting an SBB compute module"
v "Inserting a DDIC"
Power cord connection
Observe all warnings that are related to power cords.
Important:
When more than one PSU is fitted, connect each PSU to separate and independent supplies to
assure redundancy.
CAUTION:
Always remove the power connections before you remove the PSU from the enclosure.
Grounding checks
The product must be connected to a power source that has a safety electrical ground connection.
CAUTION:
If one or more 5U enclosures go into a rack, the importance of the ground connection to the rack
increases because the rack has a larger "EARTH LEAKAGE CURRENT" ("TOUCH CURRENT").
Examine the ground connection to the rack before turning it on. An electrical engineer who is qualified
for the appropriate local and national standards must do the examination.
Figure 23. Rear enclosure mounting
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2584 Appliance Manual