Electrical Safety - IBM xSeries 342 2RX Maintenance Manual

Electrical safety

v Statement 1
DANGER
Observe the following rules when working on electrical equipment.
Important: Use only approved tools and test equipment. Some hand tools have
v Find the room emergency power-off (EPO) switch, disconnecting switch, or
v Do not work alone under hazardous conditions or near equipment that has
v Disconnect all power before:
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Hardware Maintenance Manual: xSeries 342 Model 1RX, 2RX, 1TG, 2TG
Electrical current from power, telephone, and communication cables is
hazardous. To avoid a shock hazard:
v Do not connect or disconnect any cables or perform installation,
maintenance, or reconfiguration of this product during an electrical storm.
v Connect all power cords to a properly wired and grounded electrical outlet.
v Connect to properly wired outlets any equipment that will be attached to
this product.
v When possible, use one hand only to connect or disconnect signal cables.
v Never turn on any equipment when there is evidence of fire, water, or
structural damage.
v Disconnect the attached power cords, telecommunications systems,
networks, and modems before you open the device covers, unless
instructed otherwise in the installation and configuration procedures.
v Connect and disconnect cables as described in the following table when
installing, moving, or opening covers on this product or attached devices.
To connect:
1. Turn everything OFF.
2. First, attach all cables to devices.
3. Attach signal cables to connectors.
4. Attach power cords to outlet.
5. Turn device ON.
handles covered with a soft material that does not insulate you when
working with live electrical currents.
Many customers have, near their equipment, rubber floor mats that
contain small conductive fibers to decrease electrostatic discharges. Do
not use this type of mat to protect yourself from electrical shock.
electrical outlet. If an electrical accident occurs, you can then operate the switch
or unplug the power cord quickly.
hazardous voltages.
– Performing a mechanical inspection
– Working near power supplies
To disconnect:
1. Turn everything OFF.
2. First, remove power cords from outlet.
3. Remove signal cables from connectors.
4. Remove all cables from devices.