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Peripheral Installation
Door Phone/Door Lock with DDCB Interface
12-16 Strata CTX I&M 06/04
Figure 12-16 DDCB3 Wiring and DDCU Door Lock PCB
DDCU3A V.1
5607
EX.POWER
EX.POWER
W2
W1
SW5
Mu
A
SW3
N/CN/O
SW2
DOORLOCK
J1 J2 J3 J4
W3
DOOR C TONE
KSU
Door Phone C
Door Phone B
Door Phone A
Set Lock if J3 should be
door lock contacts
Set Door if J3 should be
door phone B interface
Cut W1 and W2 if External
Power is wired to J1 pin 2+5
(see Figure 6-4)
Set to N/C If Door Lock Relay contact should
open when Door Unlock button is pressed
Set to N/O if Door Lock contact should close
when Door Unlock Button is pressed
Must be set for MU Law
in USA and Canada
Cut W3 only if Door
Phone C ring should
sound like Door
Phone A
Notes
1. MDFB Terminal Pins L1 and L2 are used with HESB Talk Back
Amplifies Application only- See Figure 8-22.
2. Not available with BDKS.
3. Refer to Programs 123, 456, and 789.
Remove DDCB3
Cover for access to
hardware options
DDCB3
A
C
B
N/C
N/O
SW3
SW2
Lock Door
Door Lock
Relay Contact
(24VDC, 1.OA max)
(one bing-bong ring per ring cycle)
(two bing-bong rings per ring cycle)
(one bing-bong ring per ring cycle-low pitch)
MDF
KSU
- T (voice data)
R (voice data)
PR
2
PT
J1
J2
J3
J4
or
MDFB
3
4
Door
Lock
Control
Power
Circuit
MDFB
Door Phone
A
MDFB
Door Phone
B
3
4
MDFB
3
4
4
2
5
3
MDFB
Door Phone
C
1
1
2
2
1
2
PDKU, BDKU
or
BDKS
(any circuit)