AT&T Feature Model 5 manual Voice terminal

special-purpose lines such as personal or WATS lines. Assigning a special line to a button on one voice terminal in no way affects the use of the corresponding button on other voice terminals. A diagram of a pooled system with eight lines appears below.

Attendant console

Line C	Line H
Line B	Line G
Line A	Line F
Intercom	Line E
Voice
Intercom	Line D
Ring

Main pool = Lines A, B, C

Line pool 2 = Lines E, F

Line pool 3 = G, H

Line not assigned to pool = Line D

Line	pool 3	Line D	Line pool 2
Main	pool	Main pool	Main pool
Intercom-		Intercom-	Intercom-
			Voice
		Voice
V o i c e

Voice terminal 1 Voice terminal 2 Voice terminal 3

P O O L E D S Y S T E M W I T H 8 L I N E S

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