IBM 7870B4U, Service Manual

Page: 9 / 268

DANGER
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: To Disconnect:
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.
1. Turn everything OFF.
2. First, remove power cords from outlet.
3. Remove signal cables from connectors.
4. Remove all cables from devices.
Statement 2
CAUTION:
When replacing the lithium battery, use only IBM
®
Part Number 33F8354 or an
equivalent type battery recommended by the manufacturer. If your system has a
module containing a lithium battery, replace it only with the same module type
made by the same manufacturer. The battery contains lithium and can explode if
not properly used, handled, or disposed of.
Do not:
v
Throw or immerse into water
v
Heat to more than 100°C (212°F)
v
Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
Safety
vii