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DESCRIPTION
TERMINAL
PLACE NAMEPLATE
PARTS AND FUNCTIONS
INSTALLATION GUIDE
The door stations are used as speaking and operating units for the
door communication system at the front door.Via the door station,a
call is connected to the desired home station after a call button is
pressed.
The DMR21 with the modular design ensures a high level of
flexibility,for example,the video entry module and the card reader
module can be assembled with call buttons outdoor station and the
user can swipe cards to open the door. For such combination,about
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The keypad module can be assembled with call buttons outdoor sta-
tion, and users can enter the password to open the door,about the
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Connection port
Stainless steel panel
31
6 mm
133 mm
Embedded box
RF CARD
L1
L2
1 2 3 4 5 6
ON
DIP
Camera Lens
Speaker
Night View LED
ID Card Window
Status Indicator
Microphone
Nameplate
Call button
Screw hole
A
B
+12V:
12VDC power output.
LK-:
Power ground.
LK+:
Common contact of the relay.
NO.:
Normally open contact of the relay(refer to DT technical guide
for Lock connection detail informations).
EB+:
Exit button positive connection port.
EB-:
Exit button negative connection port.
JP-LK:
For electronic lock safety type setting(refer to door lock
connections).
SET :
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CN/KMB:
Call button module connection port.
CN/T-COIL:
Reserved.
CN/FUN:
Touch sensor keypad module or TFT display module con-
nection port.
CN/WGN:
Card reader module connection port.
Bus(
L1,L2
):
Non-polarity bus line,connect to PC6(power comb
unit).
C
N
-L
K
JP-LK
+12
V
L
K-
L
K+
N
O
EB-
EB+
SET
1
2
V
TX1
RX1
G
ND
RX3
TX3
G
ND
5
CL
G
ND
5
D
A
RST
INT
G
N
D
1
2
V
C
L
K
D
A
T
STR
C
2
C
1
C
TR
G
N
D
G
N
D
VI
O
PO
W
W
G
0
W
G
1
G
N
D
1
2
V
CN/KMB
CN/T-COIL
CN/FUN
CN/WGN
L1
L2
1 2 3 4 5 6
ON
DIP
Press down and move right/left to open the transparent nameplate
cover. The insert the name paper and put the cover back. Note that
the double row button panel can be opened both direction, single row
button can only be opened at right side.
Note:Key A and key B will not be seen on the panel,they are cryp-
tic.Normally,key A and key B are not activated,about the keys
activated,refer to the section of MODULES ->CAMERA MODULE.
Da
vid
Calo
name paper
DMR21 Technical Menu
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