Instruction manual
6
1. UNPACKING AND INSTALLATION
1.1 Box Contents
The following items should be packed with your 2743. Please contact your dealer if any of them
is missing.
2743 Adapter (Main Body) 1 pcs
Line Cord 7ft 2 pcs
Power Adapter (Transformer 12VDC 500 ma) 1 pcs
Wiring Block 1 pcs
8-Wire Cord 1 pcs
Audio Cable 1 pcs
1.2 Part Identification
1 Input Jacks from wall 4 Paging Volume Control 7 Music Source Input
2 Output Jacks to phone 5 8-Wire Jack to Wiring
Block
8 Status Lamp
3 Music Volume Control 6 DIP Switch for Mode
Selection
9 Power Adapter Jack
1.3 Overview
Each 2743 module will allow ONE additional feature to be added to your Cortelco 4-Line
telephone system. The 2743 allows either Music on Hold, External Paging, or Door Monitor.
The function is selected by the DIP switch shown as Item 6 above.
Modules may be added to obtain additional features. For example, to provide Music on Hold
and External Paging to a system, two modules would be needed.