2N Lift8 v1.5.2 - Manual (Page 54)

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2N TELEKOMUNIKACE a.s., www.2n.cz
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Audio Unit Location Configuration
Audio Unit location means configuration of jumpers (see the cover print). You do not
have to change the jumper configuration if you are installing the Audio Unit at the shaft
bottom. Otherwise, proceed as follows:
Procedure
Loosen the screws on the jumper-protecting door and open the door.
Configure the required change according to the printed figure below the door
(this Audio Unit
be configured as common for multiple). cannot
Close the door and tighten the screw.
Bus Connection
Loosen the screws to the right and open the connector cover. There is just one
connector under the cover: a bus connector. Pull out the terminal from the connector,
connect the wires and replace the terminal. Make sure that the polarity is maintained.
Caution
Avoid the Audio Unit address duplicity.
Warning
Connection to different, e.g. higher-voltage, cables leads to damage or
destruction of the Audio Unit.
Maintain polarity while connecting the Audio Unit to avoid Audio Unit error
.
Caution
The Audio Unit is powered via a 2-wire bus. Disconnection of these wires
results in the Audio Unit switch-off.