MDF PCB Wiring
6-7
Strata CTX I&M September 2002
Figure 6-4 MDF Wiring-DDCB/Door Phone/Lock to PDKU
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5
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50
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50
W-BL
BL-W
W-O
O-W
W-GN
GN-W
W-BR
BR-W
W-S
S-W
R-BL
BL-R
R-O
O-R
R-GN
GN-R
R-BR
BR-R
R-S
S-R
BK-BL
BL-BK
BK-O
O-BK
BK-GN
GN-BK
BK-BR
BR-BK
BK-S
S-BK
Y-BL
BL-Y
Y-O
O-Y
Y-GN
GN-Y
Y-BR
BR-Y
Y-S
S-Y
V-BL
BL-V
V-O
O-V
V-GN
GN-V
V-BR
BR-V
V-S
S-V
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50
25
KRONE
237A
To PDKU With
Female Connector
25 Pair Cable W/Male Amp Connector
Circuit 2
Circuit 3
Circuit 4
Circuit 6
Circuit 7
Circuit 8
Not Used
654321
234
5
Modular
Cord
654321
3
4
Modular
Cord
1
2L1
L2
Not
Used
ABC
Door Phone
MDFB
DDCB
HKSU
MDFB Door
Phone B
or
Door Lock
Control
MDFB Door
Phone C
See Note 1
MDFB (Rear View)
2-pair
Modular
Cords
- A5 (Voice/Data)
(GND) B5 (Voice/Data)
PA
PB
Screw
Terminals
Door Phone A
Port #
004
012
020
028
A
#151
#154
#157
#161
MDFB (Door Phone) Station #s
Circuit 1
See Note 2
1596
Notes
1. DDCB "B" output options:
• SW1: Always in
DOOR position.
• SW2: DOOR position; "B" connects to door phone LOCK
position; "B" connects to door lock
2. Door phones may only be connected to circuit 5 on ports 04, 012,
020, and 028 only.
BS6312
B
#152
#155
#158
#162
C
#153
#156
#159
#163
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