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MS11-20-1.qxd 20.09.00 12:57 Seite 1
GigaSwitch 11/20G
GigaSwitch 11/20K
Installation Manual and User
Instructions
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MS11-20-1.qxd 20.09.00 12:57 Seite 2 Contents 1 Function . . . . . . . . . . . . . . . . . . . . . . .2 2 Safety Advice . . . . . . . . . . . . . . . . . . .3 3 Introducing the components . . . . . . . . .3 3.1 GigaSwitch 11/20G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 3.2 GigaSwitch 11/20K . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 3.3 Intermediate Amplifier 9Z . . . . . . . . . . . . . . . . . . . . . . . . . .4 3.4 Distributor 9V . . . . . . . . . .
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MS11-20-1.qxd 20.09.00 12:57 Seite 3 2 Safety Hints For your own protection, you should read the safety hints carefully before installing the GigaSwitch multiswitch. The manufacturer accepts no responsibility for damage caused by non-observance of the safety hints, or by inappropriate handling. > The components must be mounted in dry rooms on flat, non-flammable surfaces. > Air circulation slots on the components must permit unimpeded circulation. > The installation must be carried out while t
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MS11-20-1.qxd 20.09.00 12:57 Seite 4 3.3 Intermediate Amplifier 9Z (Part No. 000/3231) The intermediate amplifier 9z has been designed to compensate for the damping effect of 25m of multimedia cable, or of 40m of CoaxSat 2150 cable, when used to transmit satellite signals. The amplification of terrestrial signals can be adjusted. 3.4 Distributor 9V This is used to achieve a three-way split of main-line connections, while providing a high degree of insulation. A cascade switch can be connected
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MS11-20-1.qxd 20.09.00 12:57 Seite 5 DiSEqC control functions can utilise the 22KHz control signal to switch to the Low Band set- ting of Eutelsat 13°. All other outputs are fixed in terms of their switching position. The setting of this switch is irrelevant for and not applicable to DiSEqC- compatible receivers. 4.2 Setting of terrestrial Inputs Terrestrial signals can be fed into the system in separate bands, or as a broad band signal. Use the switch provided to set the required function: a
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MS11-20-1.qxd 20.09.00 12:57 Seite 6 5.3 LNBs > You may choose quattro, dual output or twin LNBs, but not universal twin types. > Use only high-quality LNBs from reputable manufacturers, such as TechniSat Part. No. 0000/8880, providing either linear or diagonal frequency compensation. The out- put level should be >75 dBμV. > The LNBs receive their mains power supply via the basic unit GigaSwitch 11/20G. Please note the maximum power supply as per the technical specifications. 5.4 Cables > We
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MS11-20-1.qxd 20.09.00 12:57 Seite 7 6 Installation Hints > We recommend a star-form distribution originating in the attic, or near the centre of the house/building. > Please ensure that the levels of the various satellite signals fed into the system are approximately equal in strength. > The outputs for participants 5…10 and 16…20 supply a higher output level in the satellite band. You should use these outputs to connect participants with longer cable connections. > Checking all cable connect
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MS11-20-1.qxd 20.09.00 12:57 Seite 8 7 Installation examples Installation for up to 20 participants Distribution from attic; Input Levels 60 60 Output levels at connec- tor from unit Recommended 8
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MS11-20-1.qxd 20.09.00 12:57 Seite 9 9 Installation for 80 participants F-toF connector 9 terminators 75 Ohm Max. cable length with 9Z: 35m multimedia cable Max. cable length without 9Z 10m multimedia cable Max. 20m 220V AC, multimedia cable max. 40W
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MS11-20-1.qxd 20.09.00 12:58 Seite 10 10 Installation for 120 participtans Adjustable damping unit Part No. 0000/3145 To adjust terrestrial signal level Max. 20m multimedia cable Max. 20m multimedia cable If greater length required, insert Intermediate amplifier 9Z 10m multimedia cable 10m multimedia cable 10m multimedia cable
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MS11-20-1.qxd 20.09.00 12:58 Seite 11 8 Troubleshooting guide Problem Possible cause Solution No reception on any Short circuit in LNB Remove each cable individually, until polarisation plane green LED remains on. > green LED blinking Fix short circuit cable section No reception on any Antenna adjustment faulty Check signal incoming to LNB. polarisation plane Check that correct LOF setting is set > green LED on at receiver. Check power supply of LNB at 11/20. No reception or wrong LNB connect
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MS11-20-1.qxd 20.09.00 12:58 Seite 12 12 GigaSwitch 11/20, 11/20K Amplifier 9Z Frequency range: Satellite 950...2150 MHz 950...2150 MHz Terrestrial VHF 48...68, 118...300 MHz/ UKW 87,5...108 MHz/ UHF 470...862 MHz Broad band 48...862 MHz or (switchable) Broad band 48...862 MHz Decoupling: Main connections (1) >40 dB > 50 dB Participant outputs >35 dB Terrestrial/Sat 30dB at 862 MHz Sat/Terrestrial 25dB at 1000 MHz Amplification: Main connections Sat 11/20K: 2dB (+/-1dB) 7...13 dB Terrestrial 1
