2N Lift8 v1.6.0 - Manual (Page 62)

62
2N TELEKOMUNIKACE a.s., www.2n.cz
®
1.
2.
3.
Electrical Installation
Connectors
The has one connector for bus connection. The second RJ–11 connector is audio unit
used for handset connection. Both the connectors are under the side doors.
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
at the shaft audio unit
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
be configured as common for multiple). audio unit 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 address duplicity audio unit .
Warning
Connection to different, e.g. higher-voltage, cables leads to damage or
destruction of the audio unit.
Maintain polarity while connecting the
to avoid error audio unit audio unit .