KOCOM KVM-624 Manual

Thank you very much
for purchasing KOCOM
video doorphone.
please read this manual
thoroughly to ensure
correct usage, before
operating
VIDEO DOORPHONE
KVM- 24 Operating Installation Manual
Clear & Bright Picture at Low Light
4Flat Monitor
7 Wired (Between Monitor & Monitor)
4 Wired (Between Monitor & Camera)
Slim Size Camera
Wide view angle
AC 100V to 240V free Voltage
Monitor
KVM-624
4-wires
polarity
4-wires
polarity
Camera
(KC-D33)
Camera
(KC-D33)
Camera
(KC-MB20)
Camera
(KC-MB20)
7-wires
polarity
※Option
※Option
or
PRODUCT
MODEL
DATE PURCHASED
WARRANTY PERIOD
AGENCY ADDRESS
KOCOM Warranties the original urchaser of this roduct as follows.
1) This product is produced under strict quality control and inspection procedures.
2) If this product breaks down during proper use as a result of product defect, KOCOM
will repair it within one year from date of purchase free of charge.
3) The following cases will be subject to charge, even during warranty period:
a. Breakdown during transport, or through careless treatment, by consumer.
b. Breakdown cause by unauthorized repair, or system modification.
c. Breakdown caused by natural disaster or power disorder.
Warranty
Warranty Card
KVM- 24 0 .09
To receive after-Sale service, have the following ready
when you contact our branches
1. Name of the product
2. Model number of the product
3. The area of problem
4. Phone number and address at
which you can be contacted.
This manual is based on the date as shown in the right and specifications
are subject to change without notice for quality improvement.

Do not throw used-up battery into fire places, which may cause fire and explosion.
Cautions for installation
The relevant law obliges users to have a qualified electrician carry out wiring work for power supply. Work by disqualified
persons may cause fire and electric shock.
Wiring work for communication cables needs techniques and experiences. For this type of wiring work, please consult to your
local sales agent.
According to the standard for electric work and other relevant regulations, install communication cables at the place away
from power cables. The failure to install cables separately may cause fire, electric shock and communication troubles.
Do not install the product on rolling table or sloping place.
Dropping or falling may cause damage on your product.
In installation, avoid the place exposed to tremor or shocks, which may cause damages on your product.
Even if your product is waterproof, do not install it slanted place of water leakage, which may cause a short circuit.
For the product of wall-mounting type with fixing pegs, keep it safely.
Fixing pegs may cause injury of user.
Install the product of wall-mounting type carefully not to drop from the wall. Dropping due to earthquake or tremors may
cause injury of user.
When installing the product on the wall, consider the thickness and material of the wall.
Dropping in use may cause injury of user.
Cautions for Use
Do not put heavy thing on the product. Dropping or falling due to heavy things on it may cause injury of user.
Cautions for Repairs and Maintenance
Clean the dust inside the product regularly. Failure to clean the dust for long time may cause fire. For inspection and cleaning
of the inside of product, please contact your local sales agent.
When putting your hands into the inside of equipment, be sure that plug is already detached form an outlet or circuit-breaker is
turned off.
Be careful not to expose the product to benzene, thinner or hot water.
Do not expose detergent directly to the product in a way of spaying, etc.
Moving equipment, be sure that the plug is detached from an outlet.
For equipment whose cables are connected to terminals, please contact your local sales agent or qualified electrician.
When replacing old fuse with new one, do not directly touch it with bare hands.
Use insulated tools or contact A/S center.
Cautions
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Warnings for disposal
Read this cautions carefully and keep it within easy reach of you.
For right installation, read this cautions thoroughly. Please install the product according to its specifications.
This Cautions for Safety may include items that are not contained in specifications of the product that consumer
purchases.
Reading this cautions, use the product in a right manner. For further information, please contact our A/S center.
About Symbol
A variety of symbols are used in this Cautions for Safety and your products to guide you to use products in a right
and safe manner and to prevent possible risks for users and other persons and damages to their property. The meaning
of each symbol is as follows. After fully aware of meaning of each symbol, read the following cautions.
This symbol means that wrong handling or ignorance of matters that this symbol indicates
may cause serious injury or even death of user.
This symbol means that wrong handling or ignorance of matters that this symbol indicates
may cause serious injury or property damage of user.
This symbol means the matter that user should not do at nay event.
This symbol means that user should follow the instructions.
Symbols on Drawing
This symbol means that contents (high voltage, electric shock, warnings, etc.) to which user
should pay attention are included.
This symbols means that a certain action is not permitted. Specific points not permitted are
depicted around this symbol (for example, in the left drawing, disassembly is not permitted.).
This symbol means instructions or is used to force user to do a certain action. Specific
instructions are depicted on the drawing
(for example, the left drawing instructs user to detach power plug from an outlet).
Cautions for Safety
Warnings
Cautions
For safe use, please stick to the following cautions.
Warnings

This product is only for home. Do not the product for industrial or military use.
Do not handle the equipment with wet hand, which may cause electric shock.
Do not place wet or metallic materials on equipment. Water leakage or intrusion of metallic materials may cause fire and
electric shock.
Do not block the ventilating opening of equipment or put alien substances into it, which may cause fire and electric shock.
Do not use battery that is not designated or mix new battery with old ones. Insert batteries to fit their polarity. Explosion or
leakage of battery may cause fire and injury of user.
When visitor's image or voice is not displayed on screen or not sounded from speaker, please check his/her identity before
opening the door and contact our A/S center.
Do not use equipment when lighting is expected or strokes. It may cause fire and electric shock.
Do not open rear cover, cabinet and cover of equipment. It may cause electric shock.
Do not modify power cable or pull it with excessive strength, which may cause fire and electric shock.
Do not modify equipment. It may cause fire and electric shock.
Call signal may cause damage on user's hearing ability.
Cautions for Abnormality
When power cable is broken (exposure of core or short-circuit), do not fail to replace broken cable with new one. Failure to
replace broken power cable may cause fire and electric shock.
When detecting any abnormalities in equipment (communication is not available, images do not be displayed on screen, calling
is not available, or abnormal sound is heard), immediately detach plug from an outlet, or turn off circuit breaker or detach
batteries from equipment (in case that equipment has no plug) before requesting repairs to sales agent or A/S center. Keeping
connection to power supply may cause fire and electric shock.
When alien substances go into equipment, immediately detach plug from an outlet, or turn off circuit breaker or detach batteries
from equipment (in case that equipment has no plug) before requesting repair to sales agent or A/S center.
In the case of smoke or smell of unknown origin from equipment, keeping use it may cause fire and electric shock. Detach
plug from an outlet, or turn off circuit breaker or detach batteries from equipment (in case that equipment has no plug) and be
sure to check no more smoke or smell from equipment before requesting repair to sales agent or A/S center. Since personal
repairing work by user may serious accidents. In any case, do not repair equipment with your own hand.
When dropping equipment or breaking its cabinet, detach plug from an outlet, or turn off circuit breaker or detach batteries
from equipment (in case that equipment has no plug) before requesting repair to sales agent or A/S center. Keeping use
equipment may cause fire and electric shock.
Avoid direct exposure to sunlight and store equipment at the place free from dust and high temperature as you can. High
temperature of equipment may cause fire and electric shock.
Warnings Warnings
Cautions for Use
Do not install the product at bathroom or at the place near a washing machine, or at other humid places. It may cause fire or
electric shock.
Do not install the product at the place near a dresser, humidifier or heater. Also avoid the place exposed to spark, heat or
humidity. All of them may cause fire and electric shock.
Do not install the product at the place exposed to dust, metals and harmful gas such as hydrogen sulfide gas, all of which
may cause fire and electric shock.
Do not install the product at the place exposed to water and chemicals. This may cause fire and electric shock.
Do not scratch, break or arbitrarily process power cable, which may cause fire and electric shock. Putting a heavy thing on a
cable, heating it or pulling it may cause impairment on it.
Do not place power cable at the place near heating equipment. It may cause damage of cable's clothing material, which
result in fire ad electric shock. When detaching plug from an outlet, do not pull power cable.
Damages on power cable may cause fire and electric shock. When detaching plug from an outlet, please hold the plug
tightly.
Do not detach plug from an outlet with wet hand. I may cause electric shock.
When using the existing wiring, be sure of the suitability of it to the product and install the product. Failure to this caution
may cause fire.
When moving equipment, be sure that plug is detached from an outlet and communication cable is disconnected. Damage
on cables may cause fire.
Voltage other than prescribed rated voltage is not permitted, which cause fire and electric shock.
Do not use power terminal of product's main body in other equipment than prescribed ones. It may cause fire and short-
circuit.
In wiring work, use the designated wiring materials.
Wiring work using other materials than designated ones may cause fire.
The equipment without waterproof marking shall not be installed at the place water leaks. It may cause electric shock and
short circuit.
When working, be sure that power is disconnected. Failure to disconnect power may cause electric shock.
Be sure that the power cable is connected and earths according to designated method. Failure to connection and earth may
cause fire.
Do not connect power to other terminals than designated ones.
It may cause fire and electric shock.
When building a system with the product, do not connect the product other equipment than designated one. It may cause
fire.
When installing A/C switch, do work after removing the substance that may cause short circuit or electric shock.
Before installing or providing A/S service, be sure that the power is disconnected.
Cautions for Use

Precautions for O eration
Keep away from humidifier and
stove. High temperature and
humidity can cause breakdown.
When cleaning, never use wet
hands, volatile benzene or paint
thinner.
Keep picture clear by cleaning
camera window frequently with
soft cloths.
As this device consists of
electronic precision
components, and high voltage
is generated internally, do not
attempt to disassemble.
Do not drop monitor or door
camera, and avoid strong impact. Keep away from devices
generating strong magnetic field
(TV, Speaker, etc.) (Picture can
be disturbed or blurred and
breakdown can result).
Installation Precautions
Monitor and camera must be installed away from direct
light and counter light.
Camera must be installed at a place free from rain.
Standard height of monitor must be 1,450mm~1,500mm
from ground, centered around brawn tube.
Camera should be installed on the wall in which cement
is completely dry.
If installed during winter season at temperature below
-5, condensation might be generated inside monitor and
camera due to temperature difference between indoors
and outdoors. To prevent breakdown due to such
condensation, connection should be made in 2 hours or
more after installation.
Do not install monitor and camera in locations subject to
direct heating as harmful gases may subsequently be
emitted in significant amounts.
Stopping up pipe as above minimizes temperature
difference between indoors and outdoors, and
also eliminates moisture and condensation on
door camera window.
Stop up P.V.C. pipe using
adiabatic substances,
to prevent air circulation
B
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DC12V 1V (Power from Monitor)
Max. : 2.5W
-10~ 50
F:2.0, f=3.0mm
0.1Lux (IR LED ON)
87 (W)121(H)33(D)mm
Diagonal 90
DC12V 1V (Power from Monitor)
Max. : 3.2W
-10~ 50
Fixed
0.1Lux (IR LED ON)
40(W)120(H)22(D)mm
Diagonal 90
Com onent
Monitor Accessories
Screws for fixing
Wall hanger panel
Monitor & Camera
S ecifications
MONITOR
(KVM- 24)
CAMERA
(KC-D33)
CAMERA
(KC-MB20)
Power source
Power consum tion
Assurance tem erature
Lens
Min. Illumination
Dimension
Angle of icture
Power source
Power consum tion
Assurance tem erature
Lens
Min. Illumination
Dimension
Angle of icture
Wall hanger panel is packed in the Monitor
Power source
Power consum tion
Ambient tem erature
Braun tube
Communication system
Call signal sound
Out ut Im edance
Wiring
Max Wiring Distance
Dimension
Power Built-in AC 100V - 240V~
Max. : 20W, Stand by : 2W
0~ 50
4 inch Flat Tube (B/W)
Duplex handset conversation
Chime sound (Ding-dong)
Picture : 75ohm, Voice : 00ohm
7 Wired in polarity (Power1,2, GND, Voice1,2, Video1,2)
0. 5 Single Cable/50m, 5C-2V Coaxial Cable/100m
204(W)210(H)50(D)mm
Camera Accessories
�Main body supporter
�Screw (PMS) 3 x mm
�Lenche screw (STS)
2.5 x mm
�Screw (TTS-1) 4 x 1 mm
�Bracket Angle Fix
�Lenche M2 Lench
※Door Opener : DC 8V~12V

KVM-624 Monitor
Name of each art
Handset●
To communicate with
oor camera.
4 inch screen ●
To i entify visitor.
●Camera1 Button
Without lifting receiver,
visitors can be seen on
the screen when Camera1
button is presse .
●Camera2 Button
Without lifting receiver,
visitors can be seen on
the screen when Camera2
button is presse .
●Door Key
Door opens when this button
is presse .
Available only for the oor
equippe with oor opener.
A.VR BRIT
●Brightness Control Knob
To control brightness of
monitor screen.
Call Signal Volume●
Control Knob
To control calling
signal volume.
Door Camera (KC-D33 / KC-MB20)
●C-Mic
To communicate
with Monitor.
●Power Lamp
To check power
ON/OFF status.
●Call Button
By pressing the button,
the relate house
will be calle .
Pinhole Lens Camera●
Speaker●
When visitor calls,
the voice from monitor
comes out of the speaker.
●External fixing hole
●C-Mic
●Pinhole Lens Camera
●Call Button
●Speaker
●External fixing hole
How to o erate (Instruction for o erating)
Identifying and talking to visitors
Checking out door side - Don’t need to hold handset
Identifying visitors
3.After communications
are finished, replace
handset.
However, if conversation
continue more than
3~4 minutes, monitor
screen is turned off
automatically.
2.Hold handset and
identify visitor.
Then, communicate
with visitor.
And, unless you replace
handset within 3~4
minutes, the monitor
screen is turned off
automatically.
1. If press camera button on the monitor, screen is turned on
automatically. And, you can check out door side.
1.Call signal rings from
the monitor, while
screen is turned on and
visitor is appeared
automatically.
When visitor presses
the call button of
door camera
(Camera1 or Camera2).
2. After 3~5 sec., Monitor Screen is turned off Automatically.
1. If press call button on the door camera, the screen is turned on
automatically. And, you can check out door side.
2. At this time, you can easily identify visitors without lifting handset
(After 30sec., Monitor screen is turned off automatically).
O ening front door automatically
1. After communication with visitor, press door key button.
The door is automatically opened.
2. For this purpose, automatic DC door lock should be first installed
on the door and then connected with video doorphone.

Video Door hone Wiring Diagram
Inter hone Wiring
●We advise you to make an installation the wiring of monitor
to monitor using the way of below.
●For the dotted line in , coaxial cable (3C-2V or 5C-2V)
use (GND common use - Coaxial cable outer line).
Transmission Wiring
Braun tube
Cable Distance
7-wire
4-INCH B/W Braun tube
TIV 0.5: Max. 20m
TIV 0.6: Max. 30m
TIV 0.65: Max. 50m
Coaxial cable : Max. 100m
※Door opener cable : Above TIV0.5: Max 10m
Caution for wiring
Available video doorphone wiring with TIV O.8mm is less than
50m in length.
Connecting wiring between monitor and door camera should not be
installed near other electrical cable, nor be horizontal.
(In such case, clear picture can not be expected due to interruption
by electrical noise)
Monitor Installation
Basic Installation method of Monitor When system is attached to 1 rectangular switch box
Standard height monitor
Wall hanger
panel for
fixing Monitor
Screw
Wall
Wall hanger panel
for fixing Monitor
1 Rectangular
switch box
Standard height of monitor is ranged 1,450 ~ 1,500
from bottom to the center of monitor screen.
For installation, avoid the places where there is any
excessive humidity,magnetic force, dangerous
chemicals, direct ray of sun, and any places near a
heater which can cause break down.
(unit:mm)
Screw
Bottom of
1Rectangular
switch box
Center of monitor
Door Camera Installation
KC-D33 Surface-mounting Door Camera Installation
Straight Ahead Installation
Wall Screw
KC-MB20 Mini Metal Pinhole Camera Installation
Standard Height of Door Camera
Standard height of the door camera is 1,400mm 
1,450mm from the bottom of one camera to the floor.
In case that the height of Door camera exceeds
the range of min. 1,250mm�1,550mm, it is impossible
to control the screen picture with only the lens angle,
and therefore, be careful of the height of camera
installation.
(unit:mm)
Bottom base of
One hall Box
Surface mount
Flush mount