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2
Safety Considerations
This chapter describes important safety considerations that you should review before
Exalogic machine cabling begins.
The following topics are covered:
•
Equipment Safety Precautions
•
InfiniBand Cable Cautions
•
Preparing the Cabling Site
•
Observing the Safety Guidelines and Warnings
2.1 Equipment Safety Precautions
Observe the following precautions when cabling Exalogic machines. Otherwise, the
equipment can be damaged or a malfunction can result.
•
Do not block any ventilation holes.
•
Do not place cables under the equipment or have cables stretched tight. Also, do
not disconnect a power cord from the equipment while its power is on.
•
When disconnecting a LAN cable, you might not be able to reach the connector
lock with your fingers. If that is the case, press the connector lock with a slotted
screwdriver to disconnect the cable. You could damage the system board if you
force your fingers into the gap rather than using a slotted screwdriver.
•
Do not place anything on top of the system or perform any work directly above it.
•
Take measures to prevent static electricity from being generated at the installation
location. Note especially that static electricity is likely to be generated on carpets,
and this could lead to a malfunction.
•
Do not insert anything into any opening in the Exalogic machine. The Exalogic
machine contains high-voltage parts. If a metal object or another conductor is
inserted into an opening in the machine, it can cause a short circuit that could
cause fire, electric shock, or equipment damage.
•
For details on maintenance of the servers, contact a certified service engineer.
2.2 InfiniBand Cable Cautions
Caution - Fiber optic InfiniBand cables with laser transceivers must be of a type Class
I.
Caution - Do not allow any copper core InfiniBand cable to bend tighter than a 5 inch
(127 mm) radius. Do not allow any optical InfiniBand cable to bend tighter than a 3.4
inch (85 mm) radius. Tight bends can damage the cable internally.
Caution - Do not use zip ties to bundle or support InfiniBand cables. The sharp edges
of the ties can damage the cables internally. Use hook and loop straps.
2-1
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