2N Lift8 Brief Manual - Page 3

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2N Lift8 Brief Manual
The splitter helps extend installations by interconnecting audio units in multiple lift shafts
(audio units can be connected directly to the central unit in one-shaft
connected with the central unit via six wires (power, audio, data). Audio units are
connected to the splitter using a two-wire bus. The splitter also contains a make/break
contact for the lift blocking function. There can be up to 7 splitters (according to the count
of lift shafts). Each splitter must be configured for a different address (lift shaft number)
for the system to work. The addresses are 2–8 (lift 2–8). Lift 1 is the central unit .The
splitters are connected in series, i.e. one after another (never in parallel), to avoid system
instability. The termination resistance (jumper) is mounted on the last splitter or IO
module (furthest from the central unit).
Description
Main bus connection
Remove the push-in terminal board from the main bus connector and connect six wires
from the central unit maintaining the polarity (power + -, audio + -, data + -). See the
printed figure on the splitter cover.
1.
Main bus power +
2.
Main bus power -
Warning
It is necessary to adhere to the polarity of connection. Otherwise the system
Lift8 will not work properly.
Bus connection between audio units and splitter
We connect the splitter and audio units using a two-wire bus. We must maintain the
polarity
3.
Main bus audio +
4.
Main bus audio -
installations).
5.
Main bus data +
6.
Main bus data -
1.
Bus for audio units +
2.
Bus for audio units -
EN
It is
1