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DISTRIBUTION AMPLIFIERS
2
PRECAUTIONS / SAFETY WARNINGS 1
Please read this manual carefully before using
your DA1222AT Distribution Amplifier. Keep this
manual handy for future reference. These safety
instructions are to ensure the long life of your
DA1222AT and to prevent fire and shock hazard.
Please read them carefully and heed all warnings.
1.1 GENERAL
• Unauthorized personnel shall not open the unit
since there are high-voltage components inside.
• Qualified Altinex service personnel, or their
authorized representatives must perform all
service.
1.2 SAFETY GUIDELINES FOR THE RACK-
MOUNTING OF THE DA1222AT
• Maximum operating ambient temperature is 35
(degrees C).
• Never restrict the air flow through the devices’
fan or vents.
• When installing equipment into a rack, distribute
the units evenly. Otherwise, hazardous
conditions may be created by an uneven weight
distribution.
• Connect the unit to a properly rated supply
circuit.
• Reliable Earthing (Grounding) of Rack-Mounted
Equipment should be maintained.
1.3 INSTALLATION
• For best results, place the DA1222AT
Distribution Amplifier on a flat, level surface in a
dry area away from dust and moisture.
• To prevent fire or shock, do not expose this unit
to rain or moisture. Do not place the DA1222AT
Distribution Amplifier in direct sunlight, near
heaters or heat radiating appliances, or near
any liquid. Exposure to direct sunlight, smoke,
or steam can harm internal components.
• Handle the DA1222AT Distribution Amplifier
carefully. Dropping or jarring can damage
internal components.
• Do not place heavy objects on top of the
DA1222AT. If the DA1222AT is to be mounted,
to a table or wall, use only Altinex made
mounting accessories (Rack Mount Shelf
DA1293FC, Rack Mount Ears DA1294FC) and
cables for optimum setup.
• To turn off the main power, be sure to remove
the power cord from power outlet. The power
outlet socket should be installed as close to the
equipment as possible, and should be easily
accessible.
• Do not pull power cord or any cable that is
attached to the DA1222AT Distribution
Amplifier.
• If the DA1222AT Distribution Amplifier is not
used for an extended period, disconnect the
power cord from the power outlet.
1.4 CLEANING
• Unplug the DA1222AT power cord before
cleaning. Clean surfaces with a dry cloth. Never
use strong detergents or solvents, such as
alcohol or thinner. Do not use a wet cloth or
water to clean the unit.
1.5 FCC / CE NOTICE
• This device complies with part 15 of the FCC
Rules. Operation is subject to the following two
conditions: (1) This device may not cause
harmful interference, and (2) this device must
accept any interference received, including
interference that may cause undesired
operation.
• This equipment has been tested and found to
comply with the limits for a Class A digital
device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference when
the equipment is operated in a commercial
environment. This equipment generates, uses,
and can radiate radio frequency energy and, if
not installed and used in accordance with the
instruction manual, may cause harmful
interference to radio communications. Operation
of this equipment in a residential area is likely to
cause harmful interference in which case the
user will be required to correct the interference
at his own expense.