Electrical cautions
CAUTION:
Before plugging a cable into any port, be sure to discharge the voltage stored on the cable
by touching the electrical contacts to ground surface.
CAUTION:
Static electricity can damage the chassis and other electronic devices. To avoid damage,
keep static-sensitive devices in their static-protective packages until you are ready to
install them.
CAUTION:
If you do not install a module or a power supply in a slot, you must keep the slot filler
panel in place. If you run the chassis with an uncovered slot, the system will overheat.
CAUTION:
Carefully follow the mechanical guides on each side of the power supply slot and make
sure the power supply is properly inserted in the guides. Never insert the power supply
upside down.
CAUTION:
The power supply switch must be in the off position when you insert the power supply
into the chassis. Damage to the switch can result if a live power supply is installed.
CAUTION:
All devices with DC power supplies are intended for installation in restricted access areas
only. A restricted access area is a location where access can be gained only by trained
service personnel through the use of a special tool, lock and key, or other means of
security, and is controlled by the authority responsible for the location.
CAUTION:
For the DC input circuit to the system, make sure there is a 10 Amp circuit breaker,
maximum 60 VDC, double pole, on the input terminal block to the power supply. The
input wiring for connection to the product should be copper wire, 16 AWG, marked
VW-1, and rated minimum 90°C.
CAUTION:
For a DC system, use grounding wire of at least 16 American Wire Gauge (AWG). The
grounding wire should be attached to the DC input connector; the other end connects to
the building ground.
CAUTION:
DC return shall be isolated from the chassis ground (DC-I) when connections to the
power supply are made.
Danger Notices
A Danger statement indicates conditions or situations that can be potentially lethal or extremely
hazardous to you. Safety labels are also attached directly to products to warn of these conditions or
situations.
xii SAN128B-6 Installation, Service, and User Guide
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