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1. SAFETY PRECAUTIONS
• Be sure to read the instructions in this section carefully before use.
• Make sure to observe the instructions in this manual as the conventions of safety symbols and messages
regarded as very important precautions are included.
• We also recommend you keep this instruction manual handy for future reference.
Indicates a potentially hazardous situation which,
if mishandled, could result in death or serious
personal injury.
WARNING
Indicates a potentially hazardous situation which,
if mishandled, could result in moderate or minor
personal injury, and/or property damage.
CAUTION
• Do not expose the unit to rain or an environment
where it may be splashed by water or other liquids,
as doing so may result in fire or electric shock.
• Do not cut, kink, otherwise damage nor modify the
connection cord. In addition, avoid using the cords
in close proximity to heaters, and never place
heavy objects on the cords, as doing so may result
in fire or electric shock.
• Because the unit is an electrical device, users must
not make wiring and installation. Leave the work to
qualified personnel. Improper wiring or installation
may cause electric shock.
• Do not disassemble nor modify the unit as doing so
may result in fire or electric shock.
• Avoid installing the unit in humid or dusty locations,
in locations exposed to the direct sunlight, near the
heaters, or in locations generating sooty smoke or
steam as doing otherwise may result in fire or
electric shock.
• Check the chime volume with the handset placed
on the hook as doing otherwise could impair
hearing.
• Do not remove the unit from the wall nor change
the unit locations. If the unit is reinstalled at
improper location, it may fall or may hit persons
causing injury.
2. FCC REQUIREMENTS
(1) The AI-900 complies with FCC Rules, Part 68. On this equipment is a label which contains, among other
information, the FCC Part 68 registration number.
(2) The ringer equivalence number (REN) is used to determine the quality of devices which may be
connected to the telephone line. Excessive RENs on the telephone line may result in the devices not
ringing in response to an incoming call. In most, but not all areas, the sum of RENs should not exceed five
(5.0). To be certain of the number of devices that may be connected to a line, as determined by the total
RENs, contact the local telephone company.
Note: RENs are associated with loop-start and ground-start ports. It is not used for E&M and digital ports.
The REN assigned to the AI-900 is 0.4. If requested, this information must be given to the
telephone company.
(3) In the event of equipment malfunction, all repairs should be performed by AIPHONE CORPORATION or
an authorized agent. It is the responsibility of users requiring service to report the need for service to
AIPHONE CORPORATION or to one of our authorized agents. Service can be facilitated through our
office at:
AIPHONE CORPORATION
1700-130th Ave., N.E.
Bellevue, Washington 98009
Phone (425) 455-0510
The telephone company can ask you to disconnect the equipment from the network until the problem is
corrected or until you are sure that the equipment is not malfunctioning.