IBM 2104 Model DU3 - Manual (Page 79)

Appendix B. Translated Safety Notices
This appendix contains the danger and caution notices that are used in the various
books relating to the Expandable Storage Plus: 2104 Models DU3 and TU3.
The notices are shown in English and in various other languages.
Danger notice A danger notice calls attention to a situation that is potentially lethal or extremely
hazardous to people.
Caution notice A caution notice calls attention to a situation that is potentially hazardous to people
because of some existing condition.
Always use safe working procedures whenever you work on machines. Use your
own judgment to identify safety conditions that these notices do not describe.
Danger Notices
DANGER
In the following step you are going to remove the power cables.
These cables are live if the rack power distribution unit or
uninterruptable power supply (UPS) unit is still switched on.
DANGER
Do not try to open the covers of the fan-and-power-supply
assembly.
DANGER
Do not plug a power cable into the fan-and-power-supply
assembly until the assembly is fully home and its thumbscrews
are fully tightened.
DANGER
An electrical outlet that is not correctly wired could place
hazardous voltage on metal parts of the system or the devices
that attach to that system.
It is the customers’s responsibility to ensure that the outlet is
correctly wired and grounded to prevent an electrical shock.
During an electrical storm, do not disconnect cables for display
stations, printers, telephones, or station protectors for
communication lines.
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