User guide

Section 3
692302 3-1
This section provides information about
– The installation and connection of your modem
Hardware Installation........................................................................................................ 3-3
3.1 Structure................................................................................................. 3-3
3.2 Operating Elements................................................................................ 3-5
3.2.1 Connection Terminals.............................................................. 3-5
3.2.2 Connectors .............................................................................. 3-5
3.2.3 LEDs ........................................................................................ 3-6
3.2.4 Pushbutton............................................................................... 3-6
3.2.5 DIP Switches ........................................................................... 3-7
3.3 Electrical Connections............................................................................ 3-8
3.3.1 Block Diagram ......................................................................... 3-9
3.3.2 RS-232 Interface.................................................................... 3-10
3.3.3 Telecommunications Cable ................................................... 3-12
3.3.4 Supply Voltage....................................................................... 3-13
3.3.5 Switching Input ...................................................................... 3-13
3.3.6 Switching Output.................................................................... 3-13