
DANGER: When working on or around the system, observe the following precautions:
Electrical voltage and current from power, telephone, and communication cables are
hazardous. To avoid a shock hazard:
vIf IBM supplied the power cord(s), connect power to this unit only with the IBM provided
power cord. Do not use the IBM provided power cord for any other product.
vDo not open or service any power supply assembly.
vDo not connect or disconnect any cables or perform installation, maintenance, or
reconfiguration of this product during an electrical storm.
vThe product might be equipped with multiple power cords. To remove all hazardous
voltages, disconnect all power cords.
– For AC power, disconnect all power cords from their AC power source.
– For racks with a DC power distribution panel (PDP), disconnect the customer’s DC
power source to the PDP.
vWhen connecting power to the product ensure all power cables are properly connected.
– For racks with AC power, connect all power cords to a properly wired and grounded
electrical outlet. Ensure that the outlet supplies proper voltage and phase rotation
according to the system rating plate.
– For racks with a DC power distribution panel (PDP), connect the customer’s DC power
source to the PDP. Ensure that the proper polarity is used when attaching the DC
power and DC power return wiring.
vConnect any equipment that will be attached to this product to properly wired outlets.
vWhen possible, use one hand only to connect or disconnect signal cables.
vNever turn on any equipment when there is evidence of fire, water, or structural damage.
vDo not attempt to switch on power to the machine until all possible unsafe conditions are
corrected.
vAssume that an electrical safety hazard is present. Perform all continuity, grounding, and
power checks specified during the subsystem installation procedures to ensure that the
machine meets safety requirements. Do not continue with the inspection if any unsafe
conditions are present.
vBefore you open the device covers, unless instructed otherwise in the installation and
configuration procedures: Disconnect the attached AC power cords, turn off the applicable
circuit breakers located in the rack power distribution panel (PDP), and disconnect any
telecommunications systems, networks, and modems.
Connect and disconnect cables as described in the following procedures when installing,
moving, or opening covers on this product or attached devices.
To disconnect:
1. Turn off everything (unless instructed otherwise).
2. For AC power, remove the power cords from the outlets.
3. For racks with a DC power distribution panel (PDP), turn off the circuit breakers located
in the PDP and remove the power from the Customer's DC power source.
4. Remove the signal cables from the connectors.
5. Remove all cables from the devices.
To connect:
1. Turn off everything (unless instructed otherwise).
2. Attach all cables to the devices.
3. Attach the signal cables to the connectors.
4. For AC power, attach the power cords to the outlets.
5. For racks with a DC power distribution panel (PDP), restore the power from the
Customer's DC power source and turn on the circuit breakers located in the PDP.
6. Turn on the devices.
Sharp edges, corners and joints may be present in and around the system. Use care when
handling equipment to avoid cuts, scrapes and pinching. (D005)
4FC 2704, 2725, 2748, & 5512