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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 the system. It is the
responsibility of the customer to ensure that the outlet is correctly wired and
grounded to prevent an electrical shock.
Before installing or removing signal cables, ensure that the power cables for
the system unit and all attached devices are unplugged.
When adding or removing any additional devices to or from the system,
ensure that the power cables for those devices are unplugged before the
signal cables are connected. If possible, disconnect all power cables from the
existing system before you add a device.
Use one hand, when possible, to connect or disconnect signal cables to
prevent a possible shock from touching two surfaces with different electrical
potentials.
During an electrical storm, do not connect cables for display stations, printers,
telephones, or station protectors for communication lines.
CAUTION:
This product is equipped with a three–wire power cable and plug for the user’s
safety. Use this power cable with a properly grounded electrical outlet to avoid
electrical shock.
CAUTION:
This unit has more than one power supply cord. To reduce the risk of electrical
shock, disconnect two power supply cords before servicing.
CAUTION:
Energy hazard, remove power before servicing. Disconnect two power supply
cords.
Step 3. Check the Customer Environment
1. Verify with your Installation Planning Representative or the customer that any
station-protector boxes used are correctly installed according to the Site and
Hardware Planning Information manual.
2. Make sure the customer is aware that the recommended temperature for IBM
products is 24° C (75° F) and the recommended relative humidity is 45%. The
acceptable operating temperature range is 10° C (50° F) to 38° C (100° F), and the
acceptable operating humidity range is 8% to 80%.
3. Make sure the customer is aware that the front and rear service clearances around
the system rack and I/O rack should be 36 inches (900mm). The service clearances
are important for proper air circulation, weight distribution, and the safety of both the
service representative and the customer.
2 S80, S85 Installation Guide