Polycom 331 Owner's Manual page 6

• Slots and openings in the cabinet and the back or bottom are
provided for ventilation, to protect it from overheating; these
openings must not be blocked or covered. This product should
never be placed near or over a radiator or heat register. This
product should not be placed in a built-in installation unless proper
ventilation is provided.
• This product should be operated only from the type of power
source indicated in the manual. If you are not sure of the type of
power source to your building, consult your dealer or local Power
Company.
• The power socket outlet must be located near the product and
must be easily accessible to allow plugging/unplugging.
• Do not allow anything to rest on the power cord. Do not locate this
product where persons walking on it will abuse the cord.
• Do not use an extension cord with this product's AC power cord.
The AC outlet for this product should not be used for any other
electrical equipment.
• Never push objects of any kind into this product through
cabinetslots as they can touch dangerous voltage points or short
out parts that could result in a risk of fire or electric shock. Never
spill liquid of any kind on the product.
• To reduce the risk of electric shock, do not disassemble this
product, but take it to a qualified serviceman when some service
or repair work is required. Opening or removing covers can expose
you to dangerous voltages or other risks. Incorrect re-assembly
can cause electric shock when the product is subsequently used.
• Unplug this product from the wall outlet and refer servicing to
qualified service personnel under the following conditions:
- When the power supply cord or plug is damaged or frayed.
- If liquid has been spilled into the product.
- If the product has been exposed to rain or water.
- If the product does not operate normally by following the
operating instructions.
- Adjust only those controls that are covered by the operating
instructions because improper adjustment of other controls can
result in damage and will often require extensive work by a
qualified technician to restore the product to normal operation.
- If the product has been dropped or the cabinet has been
damaged.
- If the product exhibits a distinct change in performance.
• Avoid using a telephone during an electrical storm. There can be a
remote risk of electric shock from lightning.
• Do not use the telephone to report a gas leak in the vicinity of the
leak.
Use only 26 AWG line cord or larger for
Central Office line connections.
6
CAUTION