
2 -Wire Intercom System
DT-ENG-603F-V1 20141108
CDV91/92F Series User Manual
CDV91F CDV92DF

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•
JP/LK:
Lock control jumper, to select the lock type(see 5.2.1 , 5.2.2).
•
Main Connect Port:
To connect the bus line and the electronic locks.
•BUS: Connect to the bus line, no polarity.
• PL: External lock power input, connect to the power positive(power +).
• S+: Lock power(+) output.
• S-: Lock power(-) output, connect to the power(-) input of locks(only when using the camera to
power the locks, if using the external power supply for the locks, the S- will not be connected).
3.Specications
•Power Supply : DC 24V;
•Lock Power supply: 12Vdc, 300mA(Internal Power);
•Power Consumtion: Standby 33mA; Working status 110mA;
•Camera: Color ARS; 650 TV Lines;
•Unlocking time: 1~30s(Default 1s);
•Working temperature: -15ºC ~ 55ºC;
•Dimension: 188(H)×110(W)×39(D)mm.
4.Mounting
4.1 Mounting
1 2
54
Drill a hole in the wall to match the size of the
mounting box and attach to the wall.
Attach the panel to the mounting box and
use screws supplied to fix the panel
3
Connect the cable correctly

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4.2 Placing Name Label
STEP 2
Replace name label.
Name label.
5.1 Basic Connection
5.System Wiring and Connections
BUS(IM) BUS(DS)
PC6
AC~
-
+
L1 L2 PL S+ S-
Doorbell Button
1 2 3
ON
DIPS
From the rear of the metal section of the CDV91/92 unclip the plastic cover to open
the transparent name plate, insert a name label and replace the plastic cover.
STEP 1
Remove the screws.

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5.2 Electric Lock Connection
5.2.1 Door Lock Controlled with Internal Power
Note:
1. Electronic lock of Power-on-to-unlock
type should be used.
2. The door lock is limited to 12V, and
holding current must be less than 250mA.
3. The door lock control is not timed from
Exit Button(EB).
4. The
Unlock Mode
Parameter of Monitor
must be set to 0 (by default).
EB
*
LOCK
PL S+S-
1 2 3
BUS
1 2 3
5.2.2 Door Lock Controlled with Dry Contact
Note:
3. Setup the
Unlock Mode
of Monitor
for different lock types.
LOCK
Take off the Jumper
POWER
SUPPLY
BUS PL S+S-
1. The external power supply must be
used accordance to the lock current.
2. The jumper must be removed
before connecting.
• Power-on-to-unlock(fail secure):Unlock Mode=0 (by default)
• Power-off-to-unlock(fail safe):Unlock Mode=1
5. When it connected to a fail secure electronic
lock,set the jumper position to 2-3.
6. When it connected to a fail safe lock,
set the jumper position to 1-2.
For connection to a fail secure lock, the jumper
position is 2-3.
For connection to a fail safe lock, jumper
position is 1-2.

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5.2.3 Unlock parameter setting(set on monitor)
1.Touch icon on
main menu page.
2.Touch
UNLOCK
button and hold for 2s.
3.A digital keypad will
be shown.
About
Local Address 00.00
Video Standard
AUTO
System Verson 00.01.00
Display Driver 1.0
Front 1.0
UI 1.0
INSTALLER SETUP
123
_
5.3 Multi Doorstations Connection
100~240VAC
DBC4A
A B C D
OFF
ON
Impedance
switch
L1 L2 PL S+ S- L1 L2 PL S+ S- L1 L2 PL S+ S- L1 L2 PL S+ S-
1# Camera2# Camera3# Camera4# Camera
(Device Address:3) (Device Address:2) (Device Address:1) (Device Address:0)
BUS(IM) BUS(DS)
PC6
AC~
Note:
1. CDV91/91SF correctly before setting.
2. Set on one monitor only as parameters will be saved in the CDV91/92SF automatically.
3. DT47M monitor shown for example, please refer to the corresponding user manual of the
monitor in use..

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5.4.1 Basic IN-OUT Wiring Mode
5.4 Multi Monitors Connection
Code=30Code=31
(Device Address:0)
BUS(IM) BUS(DS)
PC6
AC~
100~240VAC
Code=0
NOTE: DT47M monitor shown.

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5.4.2 With DBC4A Wiring Mode
Code=0
OFF ON
OFF ON
DBC4A
A B C D
DBC4A
A B C D
Impedance
switch
Impedance
switch
(Device Address:0)
100~240VAC
BUS(IM) BUS(DS)
PC6
AC~
Code=2
Code=1
Code=3
Code=28
Code=30
Code=29
Code=31
NOTE: DT47M monitor shown.

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6.1 ID of Doorstation Settings
A
B
A
The ID of doorstation can be set to ID0/ID1/ID2/ID3.The default is ID0.
background indicator Buzzer
beep+,beep beep+,
(off)
beep one
(ash one)ID0:
beep twice
ID1:
beep 3 times
ID2:
beep 4 times
ID3:
(ash twice)
(ash 3 times)
(ash 4 times)
(ash)
background indicator Buzzer
background indicator Buzzer
6. Setup
Note: Monitor call button A calls user codes from 0 to 15 and
button B calls user codes from 16 to 31. Please set monitor user
codes (addresses) accordingly.
1)Power-on & within 5 seconds;
2)Press and hold "B" button for 3
seconds, to enter programming
mode.
Press and hold "A" and "B"
button for 3 seconds at the same
time to enter ID setting mode.
Press 'B' button to cycle
through the ID codes
ID0 ID1 ID2 ID3.

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6.2 Unlock Time Settings
The unlock time can be set to 1~30 seconds. The default is 1s.
background indicator Buzzer
beep+,beep beep+,
(off)
(ash)
background indicator Buzzer
beep once
per second
(ash once per second)
background indicator Buzzer
1)Power-on & within 5 seconds;
2)Press and hold "B" button for 3
seconds to enter programming
mode.
Press and hold "A" button for 3
seconds to enter Unlock Time
setting mode.
Press and hold "B" button,t iming
starts; release "B" button to end
the timing. The time of press and
hold "B" button equal to unlock
time.(Timing Unit: 1s)
Note: In all steps, if there isn’t any operation within 5s, or press Call button, it will exit the setting.

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6.3 Ringtone Modes Settings
The system supports three ringtone modes: [A]one ringtone, [B]continuous
ringtone, [C]forbid ringtone. The default is one ringtone.
beep one
[A]:
beep twice
[B]:
beep 3 times
[C]:
(ash one)
(ash twice)
(ash 3 times)
1)Power-on within 5 seconds;
2)Press and hold "B" button for 3
seconds, it will enter the setting
state of prepare.
background indicator Buzzer
beep+,beep beep+,
(off)
(ash)
background indicator Buzzer
background indicator Buzzer
Press and hold "B" button for 3
seconds at the same time, to
enter ringtone setting mode.
Press 'B' button to cycle through
ringtones.
[A]
[B]
[C].

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7.Cables Requirements
When Monitor quantity < 20
Cable Usage A B C
Twisted cable 2x0.75 mm
2
60 60 30
Twisted cable 2x1 mm
2
80 80 40
When Monitor quantity > 20
Cable Usage A B C
Twisted cable 2x1 mm
2
70 30 20
Twisted cable 2x1.5 mm
2
70 50 30
B
A
C
DBC4A
monitor
monitor
monitor
100~240VAC
BUS(IM) BUS(DS)
PC6
AC~
The farthest monitor
The maximum distance of the wiring is limited in the 2Easy system. Using different cables will also affect
the maximum distance which the system can attain.
with two to four monitors