GSS SDA 521 Bedienungsanleitung

Assembly Instruction

SDA 521

SDA 921

SDA 1321

SDA 1721

- 2 - SDA 521 … SDA 1721

1 Important InformatIon o n the safety and assembly

• Assembly and servicing should be carried out by electricians.

• Check the system for short circuits in the coaxial cables before starting up.

• Only install the system when it is not connected to the mains supply.

• Mount the unit…

- on a non-flammable background (wall),

- in a dust-free, dry environment,

in such a manner that it is protected from moisture, fumes, splashing water

and dampness,

- somewhere protected from direct sunlight,

- not within the immediate vicinity of heat sources,

• Earth the unit via the equipotential bonding connector (screws ).

• Make sure the input levels of the SAT stages are as equal as possible.

• Beware of short circuits!

• No liability is accepted for any damage caused by faulty connections or

inappropriate handling.

• Observe the relevant standards, regulations and guidelines on the installa-

tion and operation of antenna systems.

• The standards IEC/EN/DIN EN 61319-1, IEC/EN/DIN EN EN 62368-1

and IEC/EN/DIN EN 60728-11 must be observed.

2 technIcal descrIptIon

a p p l I c a t I o n

Using the amplifier range SDA x21 in conjunction with Multi Switches SDC it

is possible to realize satellite systems for more than 1000 users.

The multi amplifiers have 4/8/12/16 SAT-IF lines (+20 dB) as well as one

terrestrial line (+25 dB; 0…-15dB terrestrial slope correction).

In addition each line is equipped with a 20 dB gain control (attenuation).

po w e r s u p p ly

The power supply is done via the DC power connector by the included exter-

nal power supply unit (SDP

1820

, +18V ).

- 3 - SDA 521 … SDA 1721

3 connectIons and controls

Connection layout for e.g. SDA 521:

terrestrial inputSAT inputs

attenuation controls

SAT outputs terrestrial output

terrestrial slope

DC input 18V

– Potential equalisation (PE) :

Equalise the potential (PE) in accordance with IEC/EN/DIN EN 60728-11.

Connect the PE connection terminal to a PE rail (supplied by customer)

using the PE wire (Cu 4 mm2 - 9 mm2).

– DC input: Via the DC input a 18V ( ) voltage is fed in.

– Attenuation controls: Via these controllers the output level of each line can

be adjusted (attenuation of 0…20dB).

– Terrestrial slope correction: Via this controller the slope of the spectrum of

the terrestrial line can be adjusted (attenuation of 0…15dB).

4 specIfIcatIons

SDA 521 SDA 921 SDA 1321 SDA 1721

Number of inputs 4 x SAT 8 x SAT 12 x SAT 16 x SAT

1 x TERR

Number of outputs 5 9 13 17

Frequency range SAT 950 - 2150 MHz

TERR 47 - 862 MHz

Gain SAT 20 dB

TERR 25 dB

Attenuation SAT 0 - 20 dB

TERR 0 - 20 dB

Slope adjustment TERR 0 - 15 dB

Isolation

TERR/SAT 30 dB

SAT/TERR 15 dB

out – out SAT 30 dB

Return loss

SAT inputs 10 dB

SAT outputs 10 dB

TERR input 10 dB

TERR output 10 dB

Output level SAT (IMD3-35 dB) 110 dBµV

TER (IMD3-60 dB) 105 dBµV

Impedance 75 Ω

Dimensions (mm) 174x125x50 262x125x50 350x125x50 438x125x50

Weight (g) 1000 1100 1300

Order no. G.BB… 10-05 10-09 10-13 10-17

GSS Grundig Systems GmbH • Beuthener Straße 43 • D-90471 Nuremberg

Phone: +49 (0) 911 / 633 240 0 • Fax: +49 (0) 911 / 633 240 98

www.gss.de/en • info@gss.de

Service: Phone: +49 (0) 911 / 633 240 90; [email protected]

Alterations reserved. Technical data E. & O.E. © by GSS Grundig Systems GmbH 002/2020

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