Toshiba Strara CTX Series Installation And Maintenance Manual page 262

Peripheral Installation
DDCB3
Power
Circuit
Lock Door
SW2
N/C
SW3
N/O
Door Lock
Relay Contact
(24VDC, 1.OA max)
Set Lock if J3 should be
door lock contacts
Set Door if J3 should be
door phone B interface
Door Phone C
Door Phone B
Door Phone A
KSU
Figure 8-16 DDCB3 Wiring and DDCU Door Lock PCB
8-16
3
4
2
J1 KSU
5
3
J2
4 A
3
4
B
J3
3
J4
4 C
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.
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
N/O SW3 N/C
EX.POWER
W2
W1
EX.POWER
Cut W1 and W2 if External
Power is wired to J1 pin 2+5
MDF
- T (voice data)
R (voice data)
2
PR
PT
(one bing-bong ring per ring cycle)
MDFB
1
Door Phone
2
(two bing-bong rings per ring cycle)
MDFB
MDFB
1
Door Phone
2
(one bing-bong ring per ring cycle-low pitch)
MDFB MDFB
1
Door Phone
2
Mu A
SW5
5607
Must be set for A Law
PDKU, BDKU
or
BDKS
(any circuit)
A
Door
or
Lock
Control
B
C
Cut W3 only if Door
Phone C ring should
sound like Door
Phone A
Remove DDCB3
Cover for access to
hardware options
Strata CTX I&M September 2002