5
Connection
1. Connect the add-on module to the built-in
loudspeaker or another add-on module
with the 6-pole audio connection cable.
2. Connect the bell buttons. The
maximum cable length is
2 m.
Do not connect "0" terminals
The "0" terminal of the add-on module may
not be connected to the"0" terminal of the
built-in loudspeaker or other add-on mod-
ules.
0