2N Lift emergency phone 2N LiftNet - Manual, 1446 v1.8.3 - Manual (Page 41)

Lift Cabin Audio Unit
– Compact
2.3
41
Connectors
Warning
 Make sure that the button is safe, i.e. that the minimum isolation distance
is 1.5 mm and the minimum breakdown voltage value is 1,500 V. The
button contacts may not be connected to any other circuits. If any of the
above conditions cannot be met, use voltage control.
 You can use an N/O or N/C button or both.
 Refer to the rear cover for internally connected terminals – see Fig. 2.13.
ALARM Button Connection with N/O Contact
Figure 2.14 ALARM
Button Connection with
N/O Contact
Figure 2.13 Connectors of
Lift Cabin Audio Unit –
Compact (Later HW)