MultiChoice recently launched a satellite which gives us additional capacity for more HD channels and new services. Currently our channels are broadcast on “low band” but we will soon add channels on “high band”. Some communal systems will need to be upgraded in order to receive the high band channels. Click on the video to find out more

Communal Services Communal Services

Types Of Communal Systems

What is a fibre system?

Signal is distributed to each home in the community on a fibre optic network.

Advantages

Compatible to cater for all 4 transponders.

Less signal degradation – the loss of signal in optical fibre is less than in copper wire.

Non-flammable – because no electricity is passed through optical fibres, there is no fire hazard.

Only one satellite dish is installed for each communal system – which is aesthetically pleasing.

The optical signal is converted back to an electrical signal in the home.

The system maintenance requirements are less than the traditional communal distribution systems.

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What is a Single Cable System?

The Single Cable System is when the horizontal services is converted to the vertical services to make one polarity (no switching takes place).

When the horizontal services (18v) is converted to the vertical services (13v), additional network settings in the decoder need to be programmed.

A single cable is now installed in each apartment, where a conventional IF (Intermediate Frequency) splitter is used to feed more than one decoder.

This system cannot be upgraded for the high band services.

Advantages

None.

Disadvantages

Space is limited on these system, as they only cater for up to 30 transport streams.

The single cable system will still continue to work but with a limited number of channels.

Unable to receive any new services on the high band.

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What is a 2&3 Cable System?

The 2&3 cable systems are installed as the backbone and are used for distribution from the launch amplifier to the different floors in high rise apartment blocks.

The inputs available are the following polarities:
Vertical Low Band
Horizontal Low Band
Terrestrial is optional

Due to the above, this system will not be able to receive high band services.

Advantages

None.

Disadvantages

Space is limited on these system, as they only cater for up to 30 transport streams.

The single cable system will still continue to work but with a limited number of channels.

Unable to receive any new services on the high band.

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What is a 4&5 Cable System?

The 4&5 cable systems are installed as the backbone and are used for distribution from the launch amplifier to the different floors in high rise apartment blocks.

Some installations are done with 2 cables per apartment and others with 4 cables per apartment.

Those that have been installed with 2 cables per apartment will not be able to receive high band services.

Advantages

None.

Disadvantages

It only caters for the Low band services.

Customer will receive a limited number of channels.

Unable to receive any new services on the high band.

Solution

Head-end equipment will need to be upgraded e.g. amplifiers, multiswitches, etc.

Require additional cables from the dish to the different risers.

Additional 2 cables need to be installed to each apartment for all four transponders.

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Communal Services Compared

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Interested in a DStv Communal Fibre Distribution System?

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