Terra BA203U Manual

Draugystes str. 22, LT-51256 Kaunas, Lithuania, tel.: +370 37 - 31 34 44, fax: +370 37 - 31 35 55
E-mail: sales@terraelectronics.com, http://www.terraelectronics.com
HOUSE AMPLIFIERS BA203U, BA204U, BD203U, BD203U-5/8, BD204U, BD204U-5/8

Product description

House amplifiers (in text - amplifiers) are intended for amplifying and distributing radio frequency (RF) signals in cable
TV networks.
The amplifiers BA203U, BA204U are powered from mains 230 V~ and BD203U, BD203U-5/8, BD204U, BD204U-5/8 are
remote powered from line 24...65 V~ via input connector. The amplifiers have one input, one output, input and output test points.
The amplifiers are provided for plug-in return path amplifier, interstage attenuator and equalizer. Spare JXP attenuators,
used for interstage attenuation and slope, are included in a package.
Plug-in return path modules are not included in a package.
The amplifiers BD203U-5/8, BD204U-5/8 are produced with 5/8" connectors for input and output.
Suitable for use in tropical climates.

Safety instructions

Installation of the amplifiers must be done according IEC60728-11 and national safety standards.
Any repairs must be done by a qualified personnel.
The amplifiers BA203U, BA204U are powered from mains 230 V~.
The amplifiers BD203U, BD203U-5/8, BD204U, BD204U-5/8 are powered from line 24...65 V~ via RF input connector. In
both cases voltage is dangerous to life.
The amplifiers BA203U, BA204U are double isolated from mains 230 V~.
Equipment of remote powering amplifiers BD203U, BD203U-5/8, BD204U, BD204U-5/8 must have protection from short
connection.
To avoid the electric shock follow these instructions:
do not remove the cover of the power supply section and amplifier, without isolating the unit from the mains supply;
cover fastening torque 3...4 Nm;
do not plug the amplifier into the mains supply if the power cord or plug are damaged;
do not plug the amplifier into the mains supply until all cables have been connected correctly, earthing connector for
amplifiers BD203U, BD203U-5/8, BD204U, BD204U-5/8 at first;
the input and output ports of BD203U, BD203U-5/8, BD204U, BD204U-5/8 may have a voltage dangerous to life;
to disconnect the amplifiers BA203U, BA204U completely, disconnect plug from the mains socket;
the mains socket must be easily accessible;
to disconnect the amplifiers BD203U, BD203U-5/8, BD204U, BD204U-5/8 from supply voltage, disconnect the cable from
RF input connector;
avoid placing the amplifier next to central heating components;
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 powering;
the ventilation should not be impeded with items, such as newspapers, table-cloths, curtains;
the amplifier is protected from moisture and can be mounted in damp conditions, but do not expose directly to rain or
running water.

Mounting

The amplifier should be mounted vertically with RF connectors underneath.
The amplifier must be fixed with steel screws Ø 4-4.5 mm. The screws are not included in a package.
From top, front and bottom of installed amplifier must be at least 10 cm free space.
Screw the 5/8" connectors into the RF ports with a torque 20...30 Nm. The cover should be fastened with 3...4 Nm (key
included in a package).