List of Figures 7.3967.3 List of FiguresFigure 1.1 Example of Connection of PSTN CU and 3 2N® LiftNet Audio Units ...............................9Figure 1.2 Example of CU and 2N® LiftNet Local Dispatching Audio Unit Connection ...................10Figure 1.3 Example of Fireman Connection in 2N® LiftNet ..............................................................11Figure 2.1 Central Unit LED Indicators ............................................................................................20Figure 2.2 Central Unit Connectors ..................................................................................................20Figure 2.3 Lift Cabin Audio Unit – Universal ....................................................................................27Figure 2.4 Top View of Mounting Hole Dimensions for Lift Cabin Audio Unit - Universal ...............28Figure 2.5 Description of Terminals, Connectors and Jumpers for Lift Cabin Audio Unit – Universal...................................................................................................................................................30Figure 2.6 Address Setting for Lift Cabin Audio Unit – Universal ....................................................31Figure 2.7 Basic Indicator Connection for Lift Cabin Audio Unit – Universal ...................................34Figure 2.8 Alternative Indicator Connection for Lift Cabin Audio Unit – Universal...........................34Figure 2.9 Description of Lift bin Audio Unit – Compact ..................................................................36Figure 2.10 Address Setting for Lift Cabin Audio Unit – Compact ...................................................38Figure 2.11 Mounting Hole Dimensions for Lift Cabin Audio Unit Top - Compact ...........................39Figure 2.12 Connectors of Lift Cabin Audio Unit – Compact (Earlier HW) .....................................40Figure 2.13 Connectors of Lift Cabin Audio Unit – Compact (Later HW) ........................................41Figure 2.14 ALARM Button Connection with N/O Contact ...............................................................41Figure 2.15 ALARM Button Connection with N/C Contact ...............................................................42Figure 2.16 Voltage Activation .........................................................................................................42Figure 2.17 Inversion Voltage Control ..............................................................................................43Figure 2.18 Lift Cabin Audio Unit – Compact Mounting ...................................................................45Figure 2.19 Audio Unit – Machine Room Description ......................................................................47Figure 2.20 Audio Unit – Machine Room Connectors ......................................................................49Figure 2.21 Audio Unit – Lift Shaft / Cabin Roof Description ...........................................................51