IBM FC 2704 Installation Instructions Manual page 12

end of an optical fiber cable or open receptacle. Although shining light into one end and looking
into the other end of a disconnected optical fiber to verify the continuity of optic fibers may not
injure the eye, this procedure is potentially dangerous. Therefore, verifying the continuity of
optical fibers by shining light into one end and looking at the other end is not recommended. To
verify continuity of a fiber optic cable, use an optical light source and power meter. (C027)
(R001 part 1 of 2):
DANGER:
Observe the following precautions when working on or around your IT rack system:
v Heavy equipment–personal injury or equipment damage might result if mishandled.
v Always lower the leveling pads on the rack cabinet.
v Always install stabilizer brackets on the rack cabinet unless the earthquake option is to be
v To avoid hazardous conditions due to uneven mechanical loading, always install the
v Rack-mounted devices are not to be used as shelves or work spaces. Do not place objects
v Each rack cabinet might have more than one power cord.
v Connect all devices installed in a rack cabinet to power devices installed in the same rack
v Connect all devices installed in a rack cabinet to power devices installed in the same rack
Labels
(L001)
DANGER: Hazardous voltage, current, or energy levels are present inside any component
that has this label attached. Do not open any cover or barrier that contains this label.(L001)
6
FC 2704, 2725, 2748, & 5512
installed.
heaviest devices in the bottom of the rack cabinet. Always install servers and optional
devices starting from the bottom of the rack cabinet.
on top of rack-mounted devices. In addition, do not lean on rack mounted devices and do
not use them to stabilize your body position (for example, when working from a ladder).
– For AC powered racks, be sure to disconnect all power cords in the rack cabinet when
directed to disconnect power during servicing.
– For racks with a DC power distribution panel (PDP), turn off the circuit breaker that
controls the power to the system unit(s), or disconnect the customer's DC power
source, when directed to disconnect power during servicing.
cabinet. Do not plug a power cord from a device installed in one rack cabinet into a
power device installed in a different rack cabinet.
cabinet. Do not plug a power cord from a device installed in one rack cabinet into a
power device installed in a different rack cabinet. (R001 part 1 of 2)