AT&T Door Phone Controller - Manual (Page 7)

4 Installation for Telephone Systems With Available 4-1
Dedicated Trunk Port
■ Overview
■ DIP Switch Selections
■ Installation
■ Option Selection
■ Operation – Basic Door Answer Function
4-2
4-2
4-3
4-6
4-8
5 Installation for Telephone Systems With Available 5-1
Station Port
■ Overview
■ DIP Switch Selections
■ Installation
■ Option Selection
■ Operation
5-2
5-2
5-3
5-5
5-8
6 Installation for Telephone Systems Without Available 6-1
Dedicated Trunk or
■ Overview
Station Port
6-2
■ DIP Switch Selections 6-2
■ Installation 6-3
■ Option Selection 6-5
■ Port Saver or Trunk Saver Mode Installation 6-6
■ Operation – Basic Door Answer Function 6-9
7 Troubleshooting and Maintenance
7-1
■ Troubleshooting Procedures 7-2
■ Maintenance 7-4
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