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Electrical cautions
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.
xiv IBM Storage Networking SAN64B-6: SAN64B-6 Installation, Service, and User Guide
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: 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 where access
can be gained only by 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, 18 AWG, marked VW-1, and rated minimum 90°C.
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, 18 AWG, marked VW-1, and rated minimum 90°C.
CAUTION: For a DC system, use grounding wire of at least 6 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.
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