devolo dLAN® 200 AVpro Project Manual
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Contents
1 Introduction .................................................................................................................. 1
2 Important basics ........................................................................................................... 2
2.1 Attenuation ....................................................................................................................................2
2.2 Frequencies.....................................................................................................................................2
3 Antenna networks ........................................................................................................ 4
3.1 Network topologies.........................................................................................................................4
3.2 Network types.................................................................................................................................5
3.3 Installed components ......................................................................................................................8
3.3.1 Antenna outlets (wall)............................................................................................................9
3.3.2 Splitter/Tap ..........................................................................................................................10
3.4 Back-channel compatibility, a DOCSIS technology term ..................................................................11
3.5 The deployment of devolo dLAN technology in antenna networks ..................................................12
3.5.1 Coupling the Ethernet signal to the antenna cable ................................................................ 13
3.5.2 Tapping the Ethernet signal on the antenna socket............................................................... 14
3.5.3 Bypassing amplifiers (passive bypass) ................................................................................... 15
3.5.4 Bypassing amplifiers (active bypass)...................................................................................... 16
3.5.5 Bypassing amplifiers (passive return path on the amplifier)....................................................17
3.5.6 Using filters (high pass)........................................................................................................17
3.5.7 Logical segmentation ........................................................................................................... 18
4 Two-wire lines ............................................................................................................ 20
4.1 Twisted or untwisted pair, wire pair............................................................................................... 20
4.2 Point-to-point on telephone lines (available wire pair)....................................................................20
4.3 Point-to-point over telephone lines (occupied wire pair) ................................................................. 20
4.4 Point-to-multipoint on telephone lines (with telephone operation)..................................................21
4.5 BNC networks, 10Base2 networks.................................................................................................22
5 Power lines ................................................................................................................. 23
5.1 Power supply systems in single-family homes.................................................................................23
5.2 Power supply systems in multiple dwelling units (centralised meter arrangement)...........................24
5.3 Power supply systems in multiple dwelling units (decentralised meter arrangement) .......................26
5.4 Power supply systems in large buildings......................................................................................... 26
5.5 Repeater circuits in power supply systems......................................................................................28
5.6 Segment insulation with EMI filters for repeater circuits .................................................................30
5.7 Phase coupling and residual current devices...................................................................................30
5.8 Sources of interference and remedies on the power line .................................................................31
5.9 Sinks and remedies on the power line............................................................................................32
6 Projects ....................................................................................................................... 33
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