2N Lift8 v1.5.2 User Manual

Page 24

Figure:

Central Unit Connectors

Lift blocking contact

Main bus

Audio unit bus

A … NC relay contact for lift blocking
(normally closed)

1 … main bus supply
+

7 … voice Audio
Unit bus +

B … C relay contact for lift blocking

2 … main bus supply
-

8 … voice Audio
Unit bus -

C … NO relay contact for lift blocking
(normally open)

3 … main bus audio
+

4 … main bus audio -

5 … main bus data
+

6 … main bus data -

There are a USB connector and reset button to the right of the

(see the figure

below):