AT&T Door Phone Controller Installation And Operation Manual page 54

Any or all options may be
reselected in any order,
The Forced Disconnect
Time-out option does not apply
when setting options (unless 2
minutes elapse without a
Touch-Tone selection).
Follow the steps below to select options for your AT&T Door
Phone Controller.
CAUTION:
Never connect an AT&T DOOR PHONE
CONTROLLER with the DIP Switches optioned for TRUNK
access to a STATION LINE! Doing so may cause damage
to the STATION LINE and/or the AT&T DOOR PHONE
CONTROLLER!
1. Select Option Selection Mode by setting position 8
of the AT&T Door Phone Controller DIP switch to
the ON position (see Figure 1-1).
2. Once the DIP switch has been set, you must make con-
nection to the door speaker by accessing the trunk
connected to the AT&T Door Phone Controller. At this
point you must enter "##3" on the telephone keypad (op-
tion selection mode is active as soon as you hear a
distinctive dial tone).
3. Use Table 4-1 to make each option selection.
4. To exit option selection mode, press "##3" on the
telephone keypad, you will
phone.
5. Set position 8 of the AT&T
switch (Figure 1-1) back to
hear 2 beeps. Hang up the
Door Phone Controller DIP
the OFF position.
Installation - Dedicated Trunk Port 4-7