TWO WALL
MOUNTING
HOLES
DOOR PHONE
FIGURE 6-17
DOOR PHONE (MDFB) INSTALLATION
2) The volume level is changed by a screw
adjustment on the back of the MDFB. Turn
the screw with a flat-tipped screwdriver while
ringing the MDFB or while on a call with it. The
volume level will change as the screw is
turned.
6.40 Door Phone/Lock Programming Consid-
erations
6.41
The following programs should be consid-
ered when programming the system for door
phones:
Program 39
l
Assigns door phone and door lock buttons to
digital telephones.
Program 77-1
l
Assigns DDCBs to ports, door phone ringing
over External Page during the NIGHT mode,
and door lock activation time.
Program 77-2
l
Used to busy out unused MDFB positions and to
identify which DDCBs support the door lock
option, and to set the door phone to ring one or
five times.
INSTALLATION-STATION APPARATUS
SECTION 100-816-206
MARCH 1993
Program 79
l
Assigns door phone-to-station ringing assign-
ments.
7 ADD-ON MODULE INSTALLATION
7.01 Install the Add-on Module (DADM 2020) to a
2000-series Digital Telephone (only) according to
the steps that follow:
1) Loosen the four captive screws securing the
2000~series Digital Telephone base (Figure
6-1) and remove the base.
2) Remove the base handset hanger (Figure
6-i).
3)
Loosen two captive screws securing ADM
base and remove base.
4) Put on ADM cable (supplied with ADM) through
telephone base and ADM base as shown in
Figure 6-l 8.
5) Connect ADM cable connectors to Pl of ADM
and Pl of DKT2000 telephone as shown in
Figure 6-l 8.
6) Install base of ADM and telephone - tuck
ADM cable into ADM and telephone base as
necessary for proper length.
7) Secure ADM to telephone base with ADM
connecting Plate (using four screws).
8) Check Table 8-D in Section
100-816-208;
install 2-pair house cable (or external power)
and 2-pair modular cord (supplied with ADM)
if required to achieve maximum distance.
7.11 ADM Programming.
ADMs do not require
programming. The ADM provides 20 DSS buttons
only (Figure 6-19) for the STRATA DK16, and 10
DSS buttons, 8 speed dial buttons, one night
transfer button, and one all call page button (Fig-
ure 6-20) for the STRATA DK8. One ADM can be
installed on any (or all) 2000~series telephone (16
max on DK16 or 8 max on DK8).
6-17