AT&T Door Phone Controller operation manual Troubleshooting and Maintenance

4	Installation for Telephone Systems With Available		4-1
	Dedicated Trunk Port
	■	Overview	4-2
	■	DIP Switch Selections	4-2
	■	Installation	4-3
	■	Option Selection	4-6
	■	Operation – Basic Door Answer Function	4-8

5	Installation for Telephone Systems With Available		5-1
	Station Port
	■	Overview	5-2
	■	DIP Switch Selections	5-2
	■	Installation	5-3
	■	Option Selection	5-5
	■	Operation	5-8

6	Installation for Telephone Systems Without Available	6-1
	Dedicated Trunk or Station Port

■Overview

■DIP Switch Selections

■Installation

■Option Selection

■Port Saver or Trunk Saver Mode Installation

■Operation – Basic Door Answer Function

6-2

6-2

6-3

6-5

6-6

6-9

7	Troubleshooting and Maintenance		7-1
	■	Troubleshooting Procedures	7-2
	■	Maintenance	7-4

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