AT&T 1070 manual Line group example, Telephone Lines in System

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Line group example

There are 12 line group numbers to select (4-15). Refer to the table below for the various line-group combinations that result from using 16 units and 7 telephone lines.

			Telephone Lines in System						Line	Example of
									Group	Function
		TL 1	TL 2	TL 3	TL 4	TL 5	TL 6	TL 7
									Number
	EXT 11	P	P	P		P			Group 4	Marketing
	EXT 12	P	P	P	P				Group 6	Procurement
	EXT 13	P	P	P		P			Group 4	Marketing
Extensions	EXT 14	P	P	P			P		Group 5	Engineering
	EXT 15	P	P	P		P			Group 4	Marketing
	EXT 16	P	P	P	P				Group 6	Procurement
	EXT 17	P	P	P			P		Group 5	Engineering
	EXT 18	P	P	P			P		Group 5	Engineering
	EXT 19	P	P	P				P	Group 7	Administration
Intercom
	EXT 20	P	P	P				P	Group 7	Administration
	EXT 21	P	P	P	P				Group 6	Procurement
	EXT 22	P	P	P		P			Group 4	Marketing
	EXT 23	P	P	P			P		Group 5	Engineering
	EXT 24	P	P	P		P			Group 4	Marketing
	EXT 25	P	P	P	P				Group 6	Procurement
	EXT 26	P	P	P				P	Group 7	Administration

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