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.
Note: Device control processors and management modules may contain batteries for RTC or NVRAM
backup. Dispose of components containing batteries as required by local ordinances and regulations.
Lifting and weight-related precautions
DANGER: Use safe lifting practices when moving the product.
DANGER: Mount the devices you install in a rack as low as possible. Place
the heaviest device at the bottom and progressively place lighter devices
above.
DANGER: Make sure the rack housing the device is adequately secured to
prevent it from becoming unstable or falling over.
CAUTION: Do not use the port cover tabs to lift the module. They are
not designed to support the weight of the module, which can fall and be
damaged.
CAUTION: To prevent damage to the chassis and components, never
attempt to lift the chassis using the fan or power supply handles. These
handles were not designed to support the weight of the chassis.
Laser precautions
DANGER: All fiber-optic interfaces use Class 1 lasers.
DANGER: Use only optical transceivers that are qualified by IBM and
comply with the FDA Class 1 radiation performance requirements defined
in 21 CFR Subchapter I, and with IEC 60825 and EN60825. Optical
products that do not comply with these standards might emit light that
is hazardous to the eyes.
Attention notices
An attention notice indicates the possibility of damage to a program, device, or system, or to data. An
exclamation point symbol may accompany an attention notice, but is not required. A sample attention
notice follows:
Attention: Do not bend a fibre cable to a radius less than 5 cm (2 in.); you can damage the cable.
Tie wraps are not recommended for optical cables because they can be easily overtightened,
causing damage to the cable.
xviii IBM Storage Networking SAN128B-7: SAN128B-7 Installation, Service, and User Guide