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15 & 20 Way starBOXs
Alternative starBOX Expanded Configurations
In some installations, customers may want to view existing ancillary equipment in a bedroom, kitchen or other remote room. Properties with existing RF distribution can often be expanded using starBOX RF hubs to distribute Freesat™, PVR, cable, BT Vision™ or other AV sources around the home.
starBOX expanded configurations are suitable for larger homes, small hotels and selected commercial applications where multiple viewing points are required.
Using Additional Modulators
The starBOX was originally designed to distribute the RF2 output of a Sky™ receiver to multiple rooms. However, other service platforms can also be distributed when used with a suitable RF modulator.
By combining the outputs of modulators with a proSPL204 splitter, more than one device can be distributed through the same RF system.
Large-Scale starBOX Installations
With additional ancillary equipment, starBOX systems with up to 20 outputs are achievable. This can suit large properties, small hotels or business premises where a common AV source needs to be distributed to several rooms.
- Suitable for large homes and selected commercial installations.
- Can support 15-way or 20-way RF hub configurations.
- Useful where personalised advertising or local AV content needs to be distributed to visitors.
- Not generally suitable for flats where isolation requirements apply.
Signal Considerations
The 20-way starBOX RF hub systems do not need to be located together. In a large loft or building, separate systems can be installed at different points to reduce cable runs and simplify the installation.
VHF radio signals will normally tolerate the approximately 3.5 dB splitting loss through the proSPL204 two-way splitter. In very weak signal areas, a larger Band II aerial or a proAMP12 broadband amplifier may be required.
Splitter loss of approximately 4 dB on the UHF return path rarely causes problems because there is usually gain through most set-top box loop-through outputs.
Typical Wiring Diagrams
The following diagrams show typical wiring requirements for Freesat™ systems, products with RF loop-through and products without RF loop-through.
15 or 20-Way starBOX System for Freesat™ including PVR
15 or 20-Way starBOX System for Products without RF Loop-Through
15 or 20-Way starBOX System for Products with RF Loop-Through
Installation Notes
- Choose the correct RF hub and splitter arrangement for the number of required outputs.
- Use suitable screened coaxial cable and connectors throughout the installation.
- Check signal levels before and after splitting to avoid insufficient or excessive signal levels.
- Where multiple AV sources are used, ensure modulator output channels are planned to avoid clashes.
- For larger or more complex systems, seek professional installation advice before work begins.