2N Lift8 v1.5.2 - Manual (Page 30)

30
2N TELEKOMUNIKACE a.s., www.2n.cz
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Main bus
1 … Main bus power +
2 … Main bus power -
3 … Main bus audio +
4 … Main bus audio -
5 … Main bus data +
6 … Main bus data -
Audio Units – Splitter (CU) Bus Connection
(the is used if one lift shaft is connected) CU
Interconnect the splitter ( ) and Audio Units using a two-wire bus. Mind the polarity. CU
Audio unit bus
1 … Bus for Audio Units +
2 … Bus for Audio Units -
Caution
6-wire
Use unshielded wires of the cross-section of 0.75 mm .
2
The maximum total cable length is 30 m with the cross-section of
0.75mm .
2
For higher lengths, enlarge the supply pair cross-section: PWR
(60m–1.5mm , or 100m–2.5mm ).
2 2
Caution
2-wire
Use unshielded wires of the cross-section of 0.75 mm .
2
The maximum total length per shaft is 600 m.
With multi-strand cables, always use a pair of wires which match
each other.
With a tow cable, consider the cable length too.
With special cables (to the cabin), use the neighbouring wires and
make sure that the nearest surrounding wires do not radiate
interference (power wire, video signal etc.).