Draugystes str. 22, LT-51256 Kaunas, Lithuania, tel.: +370 37 - 31 34 44, fax: +370 37 - 31 35 55
House amplifiers HA127, HA127R30, HA127R65
Product description
The house amplifiers (in text - amplifiers) are designed for amplifying and distributing TV signals in cable TV networks.
The amplifiers contain built-in power supply for powering from mains 230 V~. It has one input and one output.
These amplifiers are designed for indoor use only.
Safety instructions
Installation of the amplifiers must be done according IEC60728-11 and national safety standards.
The amplifier is powered from mains 230 V~. This voltage is dangerous to life.
Any repairs must be done by a qualified personnel.
The amplifier is double isolated from the mains 230 V~.
Do not remove the cover of the power supply section, without disconnecting the unit from the mains supply.
Do not plug the amplifier into the mains supply if the power cord or plug is damaged.
Do not plug the amplifier into the mains supply until all cables have been connected correctly.
To disconnect the amplifier completely, disconnect plug from the mains socket.
The mains socket must be easily accessible.
The amplifier shall not be exposed to dripping or splashing water and no objects filled with liquids, such as vases, shall
be placed on it.
Avoid placing amplifier next to central heating components and in areas of high humidity.
No naked flame sources, such as lighted candles, should be placed on amplifier.
If the amplifier has been kept in cold conditions for a long time, keep it in a warm room no less than 2 hours before
plugging into the mains.
Do not insert any objects into ventilation openings.
The ventilation should not be impeded by covering the ventilation openings with items, such as newspapers, table-cloths,
curtains.
Mount the amplifier in vertical position with RF connectors underneath.
From top, front and bottom of installed amplifier must be at least 10 cm free space.
External view and operating controls
Gain switch
forward path
Variable equalizer
forward path
Variable attenuator
forward path
Variable attenuator
return path
Input
Input attenuator
return path
Installation
The amplifiers should be mounted vertically with cable inputs underneath in order to ensure good ventilation conditions.
The amplifier must be fixed with steel screws Ø 4-4.5 mm. The screws are not included in a package.
Ground the amplifiers housing. Connect the amplifier into the mains supply lastly.
Active/passive switch
Powering indicator
return path
Output
Mains connection
Functional grounding
clamp