AT&T Door Phone Controller operation manual DIP Switch Settings

AT&T		Door Phone Controller
		DIP Switch Settings
	NOTE: All switches are OFF	The Door Phone Controller’s operating modes are selected on the
	when shipped from the factory.	8-position DIP switch at the front of the unit. Positions 1 through 5 are
		used to set up the way the Door Phone Controller will interface with
		your telephone equipment. Position 8 is used to access Option Selec-
		tion Mode. Positions 6 & 7 are not used. Definition are given below:
		Switch 1	Selects between Trunk Access and Station Access.
			Trunk Access = OFF, Station Access = ON.

CAUTION: Damage to the PBX Station Card may result if switch position #1 is incorrectly set. Double check that switch position #1 is set to ON for Station Port Access.

Switch 2	Selects between Dedicated Trunk or Shared Trunk.
	This switch only has meaning when Trunk Access
	is selected with Switch 1. Shared Trunk = OFF,
	Dedicated Trunk = ON.
Switch 3	Selects between Trunk Savor or Port Saver. This
	switch only has meaning when Trunk Access is
	selected with Switch 1 and Shared Trunk is
	selected with Switch 2. Trunk Saver = OFF, Port
	Saver = ON.
Switch 4	Selects between Loop Start and Ground Start. This
	switch only has meaning when Trunk Access is
	selected with Switch 1. Loop Start = OFF, Ground
	Start = ON.
Switch 5	Selects between Auxiliary Alert or Ringdown. This
	switch only has meaning when Station Access is
	selected with Switch 1. Auxiliary Alert = OFF,
	Ringdown = ON.
Switch 6	Not used.
Switch 7	Not used.
Switch 8	Selects between Option Selection Mode and Normal
	Operation. This switch acts as a Option Selection
	security switch. If this switch is ON, any user can
	activate Option Selection Mode by keying in “##3”
	on a touch-tone telephone set which connects
	directly to the Door Phone Controller. When this
	switch is OFF, Option Selection Mode cannot be
	activated. Normal Mode = OFF, Option Selection
	Mode = ON.

(See other side for DTMF Option Selection.)