JVC | VN-H257VPU | User's Manual | JVC VN-H257VPU User's Manual

For Customer Use:
Enter below the Model No. which is located
on the body.
Retain this information for future reference.
Model No.
Serial No.
Instructions (Installation)
* The VN-H237VPU camera is shown in the illustration.
Thank you for purchasing this product.
Before operating this unit, please read the instructions carefully
to ensure the best possible performance.
The standard camera installation procedure can be found on the back side of this page.
© 2012 JVC KENWOOD Corporation
Safety precautions
The power rating is AC 24 V, 50/60 Hz/PoE (VN-H257VPU) or PoE (VN-H237VPU). Use the correct voltage.
Always use the AC 24 V power source that is insulated from the primary power supply. (VN-H257VPU)
A level of supplied power that exceeds the ratings may result in failures, smoke or fire. If the camera breaks
down, turn off the power and contact our service center immediately.
If a level of power that exceeds the ratings is supplied, the internal components may be damaged even if no
abnormalities are observed in the appearance and/or operation of the camera. Contact our service center
immediately to arrange for an inspection (charged separately).
Attachments and accessories
Instructions ....................................................... 2
CD-ROM ........................................................... 1
FERRITE CORE (VN-H257VPU) ..................... 1
WRENCH ......................................................... 1
SILICA GEL ...................................................... 1
TEMPLATE ....................................................... 1
Operating Precautions
Storage and Operating Environment
● Do not install the camera in the following environments.
Doing so may result in malfunctions or failure.
• Hot or cold locations beyond the allowable operating
temperature range (-10 °C to 50 °C).
• Locations beyond the allowable operating humidity
range (20 %RH to 90 %RH) (no condensation allowed).
• Near equipment that emits strong magnetic fields,
such as transformers or motors.
• Near equipment that emits radio waves, such as
transceivers and mobile phones.
• Locations in which excessive dust or sand exist.
• Locations that are subject to excessive vibration.
• Special environment where a flammable atmosphere
is present.
• Locations that may contain steam or oil, such as kitchens.
• Locations that are subject to radiation emissions,
X-rays or corrosive gases.
• Locations where chemicals are used, such as
swimming pools.
Use of this camera and cables connected to this
camera at locations where strong electrical or
magnetic waves are generated (e.g. near a radio, TV,
transformer, monitor, etc.) may result in images being
affected by noise interference or colors being changed.
Do not install this camera at locations where cold
air is circulated, such as near the air vent of an air
conditioner. The drastic change in temperature may
fog up the dome cover.
Do not install this camera at a location that traps heat.
This camera discharges heat from the surface of the
main unit. Do not install it at locations that may trap
heat, such as wall corners.
This camera is IP66 compliant. However, we do not
guarantee that water has no harmful effects in all
● Turn off the power before performing maintenance.
● Wipe off dirt on the dome cover with a lens-cleaning
cloth (or soft cloth). For dirt that cannot be easily
removed, wipe using a neutral detergent diluted with
water. Following that, wipe with a dry cloth. Do not use
thinner or benzene. The surface of the dome cover
may dissolve or fog up.
Saving Energy
● If the camera is not going to be used for a long period
of time, turn off the power or the system for safety
reasons and to conserve energy.
● This camera has a built-in AGC circuit. Setting AGC
Handling Precautions
● Do not block the vents.
Inadequate heat ventilation may cause this camera to
malfunction. Be sure not to block the vents around the
Copyright Protection
● With the exception of the user being the copyright
holder or when permission such as for duplication has
been granted by the copyright holder, permission is
required in principle to duplicate, modify or transmit
copyrighted material.
● Unauthorized duplication, modification or transmission
of copyrighted material may constitute a copyright
infringement, and the user may be liable to pay
compensation for damages. When using copyrighted
material, be sure to check the license agreement or
the copyrighted material thoroughly.
● When rights or rights holders are involved with regard
to the targeted subject of duplication, permission may
be required for shooting or using (processing) it. Be
sure to check the licensing conditions thoroughly.
● Use of recorded materials without first gaining the prior
consent of the author is forbidden under copyright law
except in cases of personal use.
to "Mid" or "High" increases the sensitivity of a dark
image, and the screen may appear grainy. This is not
a malfunction.
When this camera is used with the white balance set to
"ATW" (Auto Tracking White Balance), the color tone
of some objects may differ slightly from the actual color
due to the principle of the automatic tracking white
balance circuit. This is not a malfunction.
For regions with a commercial power frequency of
50 Hz, switch to the Flickerless mode during use
under fluorescent lights (excluding inverter lighting
equipment) to prevent flickers.
When the electronic sensitivity enhancement feature
is enabled, the screen may appear grainy and more
white spots may appear because the sensitivity has
increased. However, this is not a malfunction.
If the power supply voltage is momentarily cut off or
reduced due to lightning or the power supply to the
air conditioner being turned on, the image may be
disrupted or noise interference may occur.
The rotation angle of this camera is increased to
enable installation at a wider variety of locations. When
the lens is at the wide-angle position, and tilted at an
angle close to +/-80 degrees, a part of the camera
may come into view on the screen depending on the
rotation angle. When this occurs, adjust the field angle
When using multicast, make use of an IGMPv2compliant network switch.
Some hubs/switches of products that are equipped
with intelligent features may include a broadcast/
multicast suppression function. If this function is
enabled, viewing of multicast images on this camera
may fail.
We recommend the use of a shielded LAN cables for
connection with this camera. The safety and reliability
of this camera has been checked by using shielded
To prevent fogging caused by temperature changes,
be sure to apply the supplied silica gel at the specified
Under halogen lamps, light bulbs and other light
sources that emit strong infrared light, black objects
may look almost purple in the recording. It is an
inherent characteristic of this camera and not a defect.
These are general IMPORTANT SAFEGUARDS and
certain items may not apply to all appliances.
1. Read all of these instructions.
2. Save these instructions for later use.
3. All warnings on the product and in the operating instructions
should be adhered to.
4. Unplug this appliance system from the wall outlet before
cleaning. Do not use liquid cleaners or aerosol cleaners. Use a
damp cloth for cleaning.
5. Do not use attachments not recommended by the appliance
manufacturer as they may cause hazards.
6. Do not use this appliance near water - for example, near
a bathtub, washbowl, kitchen sink, or laundry tub, in a wet
basement, or near a swimming pool, etc.
7. Do not place this appliance on an
unstable cart, stand, or table. The
appliance may fall, causing serious
injury to a child or adult, and serious
damage to the appliance. Use only
with a cart or stand recommended
by the manufacturer, or sold with the
appliance. Wall or shelf mounting should
follow the manufacturer’s instructions,
and should use a mounting kit approved
by the manufacturer.
An appliance and cart combination should be moved with care.
Quick stops, excessive force, and uneven surfaces may cause
the appliance and cart combination to overturn.
8. Slots and openings in the cabinet and the back or bottom are
provided for ventilation, and to insure reliable operation of the
appliance and to protect it from overheating, these openings
must not be blocked or covered. The openings should never
be blocked by placing the appliance on a bed, sofa, rug, or
other similar surface. This appliance should never be placed
near or over a radiator or heat register. This appliance should
not be placed in a built-in installation such as a bookcase
unless proper ventilation is provided.
9. This appliance should be operated only from the type of power
source indicated on the marking label. If you are not sure of
the type of power supplied to your home, consult your dealer
or local power company. For appliance designed to operate
from battery power, refer to the operating instructions.
10. For added protection for this product during a lightning storm,
or when it is left unattended and unused for long periods of
time, unplug it from the wall outlet and disconnect the antenna
or cable system. This will prevent damage to the product due
to lightning and power-line surges.
11. Do not allow anything to rest on the power cord. Do not locate
this appliance where the cord will be abused by persons
walking on it.
12. Follow all warnings and instructions marked on the appliance.
13. Do not overload wall outlets and extension cords as this can
result in fire or electric shock.
14. Never push objects of any kind into this appliance through
cabinet slots as they may touch dangerous voltage points
or short out parts that could result in a fire or electric shock.
Never spill liquid of any kind on the appliance.
15. Do not attempt to service this appliance yourself as opening
or removing covers may expose you to dangerous voltage
or other hazards. Refer all servicing to qualified service
16. Unplug this appliance from the wall outlet and refer servicing to
qualified service personnel under the following conditions:
When the power cord or plug is damaged or frayed.
If liquid has been spilled into the appliance.
If the appliance has been exposed to rain or water.
If the appliance does not operate normally by following the
operating instructions. Adjust only those controls that are
covered by the operating instructions as improper adjustment
of other controls may result in damage and will often require
extensive work by a qualified technician to restore the
appliance to normal operation.
e. If the appliance has been dropped or the cabinet has been
f. When the appliance exhibits a distinct change in performance
- this indicates a need for service.
17. When replacement parts are required, be sure the service
technician has used replacement parts specified by the
manufacturer that have the same characteristics as the original
part. Unauthorized substitutions may result in fire, electric
shock or other hazards.
18. Upon completion of any service or repairs to this appliance,
ask the service technician to perform routine safety checks to
determine that the appliance is in safe operating condition.
The lightning flash wish arrowhead symbol, within
an equilateral triangle is intended to alert the
user to the presence of uninsulated "dangerous
voltage" within the product's enclosure that age"
within the product's enclosure that may be of
sufficient magnitude to constitute a risk of electric
shock to persons.
The exclamation point within an equilateral
triangle is intended to alert the user to
the presence of important operating and
maintenance (servicing) instructions in the
literature accompanying the appliance.
Information for USA
This device complies with part 15 of the FCC Rules. Changes
or modifications not approved by JVC could void the user's
authority to operate the equipment. This equipment has
been tested and found to comply with the limits for a Class A
digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses, and
can radiate radio frequency energy and, if not installed and
used in accordance with the instruction manual, may cause
harmful interference to radio communications. Operation of
this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct
the interference at his own expense.
This device complies with Part 15 of the FCC Rules. Operation
is subject to the following two conditions: (1) This device may
not cause harmful interference, and (2) this device must accept
any interference received, including interference that may
cause undesired operation.
This Class A digital apparatus complies with Canadian
Cet appareil num rique de la Class A est conforme á la
norme NMB-003 du Canada.
Due to design modifications, data given in this instruction
book are subject to possible change without prior notice.
This is a Class A product. In a domestic environment this
product may cause radio interference in which case the
user may be required to take adequate measures.
Dear Customer
This apparatus is in conformance with the valid European
directives and standards regarding electromagnetic
compatibility and electrical safety.
European representative of JVC KENWOOD Corporation is:
JVC Technical Services Europe GmbH
Postfach 10 05 04
61145 Friedberg
Sehr geehrter Kunde, sehr geehrte Kundin, dieses Gerät
stimmt mit den gültigen europäischen Richtlinien und Normen
bezüglich elektromagnetischer Verträglichkeit und electrischer
Sicherheit überein.
Die europäische Vertretung für die JVC KENWOOD
Corporation ist:
JVC Technical Services Europe GmbH
Postfach 10 05 04
61145 Friedberg
Information for Users on Disposal of Old Equipment
[European Union]
This symbol indicates that the electrical and
electronic equipment should not be disposed as
general household waste at its end-of-life.
Instead, the product should be handed over to
the applicable collection point for the recycling
of electrical and electronic equipment for proper
treatment, recovery and recycling in accordance with
your national legislation.
By disposing of this product correctly, you will help
Attention: to conserve natural resources and will help prevent
This symbol potential negative effects on the environment and
is only valid in human health which could otherwise be caused by
the European inappropriate waste handling of this product. For
more information about collection point and recycling
of this product, please contact your local municipal
office, your household waste disposal service or the
shop where you purchased the product. Penalties
may be applicable for incorrect disposal of this
waste, in accordance with national legislation.
(Business users)
If you wish to dispose of this product, please visit our web
page http://www.jvc.eu to obtain information about the takeback of the product.
[Other Countries outside the European Union]
If you wish to dispose of this product, please do so in
accordance with applicable national legislation or other
rules in your country for the treatment of old electrical and
electronic equipment.
● This installation should be made by a qualified service
person and should conform to all local codes.
● This installation shall be in accordance with the National
Electrical Code, ANSI/NFPA 70. The unit is to be powered
by a Listed Class 2 power supply or using the PoE.
● The AC 24 V power supply should conform to the following:
Class 2 only (For USA), Isolated power supply only (For
Europe and other).
● Any Mention in this manual of Alarm inputs have not been
evaluated by UL to be used for Burglar Alarm Functionality.
● Special technique is required when installing this product.
Please refer to your dealer for installation.
● Rating label is pasted at the bottom or top of the camera
● JVC is not liable for any compensation if you drop the
camera due to insecure mounting by not following the
installation description. Pay careful attention during
● When mounting this product to a ceiling or wall, select
a location strong enough to support the weight of this
camera. If the location is not strong enough to support
the weight, be sure to reinforce the ceiling or wall before
● The camera may drop if the mounting screws are not
tightened securely. Check that the screws are tightened
appropriately and securely.
● Do not install the camera near lighting fixtures of high
temperature, such as spot lights. It might result in failure
or fires.
● It should be noted that it may be unlawful to re-record
pre-recorded tapes, records, or discs without the consent
of the owner of copyright in the sound or video recording,
broadcast or cable program and in any literary, dramatic
musical, or artistic work embodied therein.
● The latest version
Please visit V.NETWORKS web site to check the latest
firmware at
● The motion detection feature is not a feature to prevent
theft or fire. Our company shall not be liable for any
loss or damage resulting from the use of this feature.
● We shall not be responsible for any loss or damage
caused in the event of privacy invasion as a result of
camera footage created by this product.
☞ Continued overleaf
EN_VN-H257VP_001D_Non-Mask.indb 1
5/24/2012 2:59:08 PM
Removing the dome cover
and the inner dome
Remove the dome cover and the inner dome.
Dome cover
Wrench (supplied)
Using the duct hole on the side
Loosen the fastening screws (M3 x 6 mm) and remove the
plug for the duct hole using a flat-blade screwdriver.
• When you insert a pipe, do not insert it deeper than 12 mm. Inserting
it further may damage the inside of this unit.
• If you install the unit, using the duct hole on the bottom or on the side,
wrap seal tapes around the connecting parts (the point where the thread
of the duct hole and the screw hole meet) of the duct at least twice.
Plug for duct hole
Plug for duct hole
Seal tape
Soldering or crimping
Wrapping insulation tapes
Alarm cable
Fall prevention wire
Ferrite core
Power cable (VN-H257VPU)
LAN cable
Inner dome
Audio cable (VN-H257VPU)
Knob (two
* This illustration does not show
the inside of the camera body for
convenience of explanation.
Fall prevention
*Place the duct hole plug that you
removed into the duct hole at the
bottom of the camera.
• When you remove the dome cover, use the supplied wrench.
• To remove the inner dome, turn it 45 degrees and grasp the inner
dome near the catches (two locations). It will come off easily.
LAN cable LAN cable
Connect the AC 24 V power cable, alarm cable, and audio cable to
their respective connectors by crimping them or soldering them.
Wrap unused connectors and the ends of unused cables with insulation
tape and waterproof tape.
Make sure the LAN cable is completely inserted into the connector.
After confirming the connection, waterproof it by wrapping it with
waterproof tape.
Attach the supplied ferrite core only to the Alarm I/O cable. (VN-H257VPU)
Securely attach the fall prevention wire to a section that is sufficiently
strong (a slab or channel).
Approx. Φ 30 mm
• Always use the AC 24 V power supply that is insulated from the
primary power circuit. An autotransformer or similar single winding
transformer may fail or damage the camera.
• If you use both the AC 24 V power cable and the PoE-based LAN
cable simultaneously, the camera may fail. Always supply power
using either method.
• Put the cables into the hole that you opened on the ceiling or wall
after connecting.
Connecting the LAN cable
When using the duct hole at the bottom of the base or on
the side, attach the LAN cable as follows.
Using the duct hole at the
bottom of the base
SD card slot
Using the duct hole
on the side
Mounting hole
for a screw
SD card slot
Mounting hole
for a screw
Mounting the Camera
Note Read before starting work.
Special skills are required to install this unit.
Install this unit on a location that is strong enough to hold it.
Use the appropriate attachment screws and tighten them securely.
Make sure you turn off the power supply to the device before starting work.
When you attach the camera body to the ceiling, be sure to wear
safety goggles to protect your eyes from falling objects.
Attach the fall prevention wire
To attach the fall prevention wire, remove the attachment
screws of the fall prevention wire on the bottom of the camera
body (the fall prevention wire and cables are not provided).
• Attach the fall prevention wire to a sufficient strong location such as
the ceiling or wall.
• Mount the fall prevention wire using an attachment screw.
• Take note of the length and strength of the fall prevention wire. Use wire
made of insulated material. Make the wire length as short as possible.
• Use the appropriate attachment screws and tighten them securely.
• Use stainless steel attachment screws. If you use stainless steel
screws, apply rust-proofing, for example, by painting them after
installation. Tighten the screws securely so that the unit will not fall off.
Approx. Φ 30 mm
Shooting direction mark
Filling the dust hole and the mounting holes (two
locations) with waterproof seal material (GE silicon).
* This illustration does not show
the inside of the camera body
for convenience of explanation.
Waterproof treatment (three locations)
* The VN-H257VPU camera is shown in the illustration.
After adjusting images, place the silica gel in the location
shown in the diagram below.
Secure the camera to the ceiling or wall
Rug plate
*Fix the silica gel
so that it will not
fall off.
Silica gel
After connecting the cables, attach the camera to the ceiling (or
on the wall).
Use the attachment screw (approx. Φ 4 mm) to secure the
camera body to the ceiling or wall.
When you mount it, align the shooting direction mark with the
range you want to shoot.
Silica gel
Insertion space
• Check to ensure that there is no gap between the ceiling and the camera.
• Ensure that neither the cables nor the fall prevention wire of the
dome cover are tucked in.
Fall prevention wire (Not provided)
Fall prevention wire
8 mm
Dome cover
Opening a hole (approx. Φ 30 mm) on
the ceiling or wall
Open a hole (approx. Φ 30 mm) in the ceiling or wall,
and pull the cables out of the hole.
• Make sure that the LAN cable does not cover the SD card slot.
• Writing data to and reading data from an SD card is not currently
supported. Do not insert an SD card.
• When connecting the LAN cable, keep it away from the mounting
hole for a screw.
2 mm
4.3 mm or less
Φ 12 mm or less
Shooting direction mark
Φ 4.1 to Φ 6.5 mm
Attachment screw
(Prepared by customer)
*This illustration does not show
the inside of the camera body for
convenience of explanation.
• Take silica gel out of the aluminum pack, place in the space for
inserting silica gel inside the camera body, and fix it using the rug
• Completely plug the duct hole and the mounting holes. Water and
moisture may get inside and fog the lens and dome cover.
• If it is raining when you install the unit, exercise care to prevent any
rain from entering.
• Be sure to place silica gel. If you use a type of silica gel other than
that supplied with this unit, the camera lens and the dome cover may
become fogged.
• When you open the dome cover for repair or maintenance, replace
the silica gel.
• Correctly waterproof all the cables using waterproof tape (adhesive).
• If you do not adjust the field angle (☞ Page 3) immediately after
installing the camera, place the silica gel when adjustment is
finished. The effects of silica gel wear off if it is exposed to air for a
long period of time.
• Apply seal materials to or caulk the gap between the camera and the
ceiling or wall.
☞ Continue to next page
EN_VN-H257VP_001D_Non-Mask.indb 2
5/24/2012 2:59:08 PM
Adjust the field angle and focus
Turn on the power
1 Adjust the zoom ratio.
After all connections and installations are completed,
turn on the power of the unit. When the camera is
booting, the [STATUS] indicator lights up orange. It lights
up green after booting.
Loosen the fastening screw of the zoom adjustment ring, then
move the ring to the right and left to adjust the zoom ratio. After
completing the adjustment, tighten the setscrew.
VN-H257VPU camera
Image Adjustment
VN-H237VPU camera
adjustment ring
Focusing ring
Catches Zoom
B A adjustment ring
• Applying force to the zoom adjustment ring while adjusting the
image size may result in damage.
Moving the zoom adjustment ring beyond its adjustable range
may cause the performance of this camera to deteriorate.
2 Roughly adjust the focus.
1 Lift the focusing gear control, release the catch from position A
and insert it into position B to disengage the gear.
Adjust images by watching them on the monitor.
*The illustration of the camera directly mounted on the ceiling is used.
The same procedures are performed when mounting the camera on
the wall with the cables pulled out.
• Before touching the camera body, make sure you touch the metal
surface of the [MONITOR] terminal first to discharge any static
electricity from your body.
Otherwise, static electricity may cause the camera to malfunction.
• If you open the gear beyond position B, the gear shaft is
released from the bearing (C in the figure on the left) to prevent
it from being damaged. In this case, correctly re-insert the shaft
into bearing A (the original position).
adjustment gear
Focus adjustment gear
One base
VN-H257VPU camera
2 Rotate the lens section at the tip to roughly adjust the focus.
Lens section
Adjust the shooting direction of the camera
1 Connect a test monitor to the [MONITOR] terminal.
2 After checking that the [MONITOR] selection
switch is set to "NTSC", press the [FOCUS
ASSIST] button.
Tilt fastening
• Do not hold the lens section when adjusting the direction of the
camera. The lens section may be damaged if you apply force to
it. Also, exercise care not to leave your finger prints on the lens
when you rotate the lens section.
3 Return the catch of the focus adjustment gear to B position A
shown in the diagram, and then return the focus adjustment
gear to its original position.
[MONITOR] terminal
VN-H237VPU camera
2 Loosen the focusing ring setscrew and roughly focus the image
by rotating the ring to the right or left.
75 Ω
Protruding part
VN-H257VPU camera
1 Connect the camera to a computer, and open the Built-in Viewer.
Dome cover
3 Adjust the shooting direction of the camera
1 Press the [FOCUS ASSIST] button.
* The VN-H257VPU camera is shown in the illustration.
[MONITOR] selection switch
NTSC [STATUS] indicator
Shooting direction mark
[RESET] button
Tilt fastening screw
• The camera enters Focus Assist mode, and [STATUS]
indicator flashes green and orange alternately.
• The image is sharpened with the opening of the aperture.
2 Finely adjust the camera focus by rotating the focus adjustment
gear knob to the right or left.
3 Rotate the focus adjustment gear knob for approximately one
base pitch in the direction of the arrow shown in the figure.
• This is to correct the focus shift when mounting the dome cover.
4 Remove the protective sheet of the dome cover, and check the
camera focus by holding the dome cover over the lens.
• After checking, replace the protective sheet on the dome cover.
5 Tighten the setscrew of the focus adjustment ring and fix the focus.
6 Press the [FOCUS ASSIST] button.
• The Focus Assist mode will be released.
• [The STATUS] indicator lights up green.
Pan: ± 175°
Rotation: ± 100°
• For details about computer settings and methods for
connecting the camera to a computer, refer to “Instructions (IP
Address Settings)”.
2 Select “Day Focus Adjust” from the “Focus” page in “Advanced
• The focus position is automatically adjusted.
• For details on focus, refer to “Instructions (Setting)” on the
supplied CD-ROM.
• You can also adjust the focus after mounting the dome cover.
VN-H237VPU camera
Before you start, remove the light-blue protection tape.
Adjust the pan, tilt and rotation controls of the cameras to face the
lens towards the subject.
shown in the diagram, and then return the focus adjustment
gear to its original position.
3 Finely adjust the focus.
Dome cover
• The camera has the 16:9 aspect ratio. If the test monitor has the 4:3
aspect ratio, the camera image is converted into the 4:3 ratio and
• Set to "NTSC" when connecting to an NTSC monitor, or set to "PAL"
when connecting to a PAL monitor, then hold down the [RESET]
button for approximately three seconds to reboot. While the camera
is rebooting, the [STATUS] indicator lights up orange.
• If you keep pressing the [RESET] button for more than 5s, the camera
enters the Service mode. Do not press this button for more than 5s.
• Moving the pan, tilt or rotation beyond the adjustment range may
damage this unit.
• As the tilt and rotation range of this unit is wide, part of this unit may
be reflected in the shooting screen depending on the field angle and
• Do not hold the lens section when adjusting the direction of pan, tilt
or rotation. The lens section may be damaged if you apply excessive
force to it.
3 Return the catch of the focus adjustment gear to B position A
Tilt: ± 80°
knob (two
• Rotate the lens in the pan, rotation and tilt directions ± 175°, ± 100°
and ± 80° respectively from the position aligned with the camera's
shooting direction mark, pan center mark and rotation center mark.
Be sure to hold the rotation control and adjust the rotation without
holding the lens section.
• When you mount the camera body, align the shooting direction mark
within the shooting direction.
• After adjusting the field angle, tighten the tilt fastening screw to secure
the camera so that its field angle does not go out of alignment.
• It may be difficult to acquire focus automatically when shooting
the following places.
– Too bright places.
– Too dark places.
– Places where brightness always changes. (e.g. a light is
flickering; people are passing by in front of the camera.)
– Places where there is little contrast of brightness.
– Places where there are repeating patterns of vertical stripes.
• The focus position can be manually adjusted by using the Builtin Viewer installed on your computer connected to the camera.
(☞ “Instructions (Setting)”) Resort to this method if it is difficult
to acquire focus automatically.
Mount the dome cover
When you mount the dome cover, make sure that no cables are connected to the [MONITOR] terminal.
Mount the inner dome
Engage the inner dome slot with the projection, and mount
the dome by rotating it in the direction of the arrow. Press
the inner dome in until you hear the click of the catch.
Mount the dome cover and remove
the dome cover protective sheet
Align the position aligning marks (three locations) on
the camera body and the dome cover, mount the dome
cover and secure it using the supplied wrench.
Position aligning mark
(three locations)
• Before installing the dome cover, make sure that silica gel (supplied)
is placed inside.
• Mount the dome cover firmly. If it is not fixed securely enough, the
moisture inside the camera increases, fogging the inside of the cover
or causing the cover to fall off.
• If you remove the dome cover after installing it, the field angle may
shift. If the field angle has shifted, adjust the focus and the field
angle again.
• Pay attention to the fall prevention wire so that it will not be caught
between the dome cover and the camera. Otherwise, dust proofing
and waterproofing may not work correctly.
(two locations)
Dome cover
Inner dome
Position aligning mark
Dome cover protective sheet
☞ Continued overleaf
EN_VN-H257VP_001D_Non-Mask.indb 3
5/24/2012 2:59:09 PM
Cables (VN-H257VPU)
Cable type
1 Power cable
2 Alarm I/O cable
3 Audio cable
● Connecting the power cable to AC 24 V source
1.0 mm dia
diameter (mm)
or more
Max cable
distance (meters)
(Reference value)
1.6 mm dia
or more
2.0 mm dia
or more
• For safety reasons, turn on the power only after
confirming that all the connections are completed.
• Be sure to turn off the camera before connecting
• If you use both the AC 24 V power cable and the
PoE-based LAN cable simultaneously, the camera
may fail. Always supply power using either method.
• To use an AC 24 V power supply, remove the
factory-installed tape from the power cable, connect
to an AC 24 V power supply, and wrap the connector
with new insulation tape and waterproof tape.
Signal name
AC 24 V
AC 24 V
● LAN cable
• When connecting to a switching hub:
Use a straight cable.
• When connecting to a computer:
Use a crossing cable.
• A 100-meter or less length and Category-5 or higher
grade STP (shielded) cable is recommended.
• The crossing cable may not be used for some
computer models. Check the LAN specifications of
the computer when you directly connect this unit to
the computer.
● Alarm I/O cable
• A 50-meter or less length shielded cable is
• Attach the supplied ferrite core to the cable.
* For the location to connect the audio cable, refer to [Cabling] (☞ page 2).
Alarm I/O cable connection (VN-H257VPU)
Alarm input
Connect an infrared sensor, door sensor, metal
sensor, a manual switch or other device.
• To avoid noise entering the internal circuit, enter the
non-voltage contact signal in the Alarm IN terminal.
• Do not supply voltage.
• The alarm can be set to be activated during close
contact (MAKE) or during open contact (BREAK)
can be set from the menu.
• The alarm signal should last for at least 500
msec. If the alarm signal is short, it may not be
Alarm output
Connect an alarm device, indicator, lighting, buzzer or
other device.
• An alarm output signal is an open collector output.
You can configure the menu to set the alarm to
sound when contacts short circuit (MAKE) or
when the contacts are open (BREAK). (Pressure
resistance lower than 16V, 30 mA)
• This terminal has different polarities. The output
voltage at the positive terminal must always be
higher than the output voltage at the negative
terminal. Otherwise, the circuit may be damaged.
● Input conditions
• Connect non-voltage a contact or open collector
output circuit
(For details on how to set polarities, please refer to
“Instructions (Setting)”.)
• Low level terminal current below 1 mA
• High level terminal current 3.3 V
● Output conditions
• Equivalent to NPN open collector output
(For details on how to set the output logic, please
refer to “Instructions (Setting)”.)
• Safe excitation voltage: DC16 V or lower
• Allowable surge current: 30 mA
• Momentary (100 ms to 5000 ms) output
(For details on how to set the time, please refer to
“Instructions (Setting)”.)
3.3 V
Alarm device
Output 1 or
Output 2
1 mA
Image sensor
Effective pixels
Minimum illuminance
of subject
Monitor output
Reference voltage
Image compression
Input 1 or
Input 2 OUT
* The specifications and appearance of this unit are subject to change for purposes of improvement without prior notice.
Audio output
• A shielded audio cable is recommended.
Sensor example (1)
Audio input
Connect the audio cable for an audio device.
Audio cable (Brown and White) (MIC IN) : Connect to a condenser microphone that has a plug-in power
system, etc.
Audio cable (Black and White) (LINE OUT) : Connect to a speaker with a built-in amp, etc.
DC3.3 V
Causes and Countermeasures
The image output may be turned Off on Internet Explorer.
Check the monitor output setting.
The external mic sound is not heard. • Check the MIC connection.
• Is the audio setting turned off? (☞ “Instructions (Setting)”→ “Audio Page”)
Movement of network image is not • If the monitor image output is turned ON, a lower frame rate is set for
network images.
• If you turned the monitor image output to OFF, set the frame rate
again.(☞ “Instructions (Setting)” - “Internet Explorer Setting” “Encoding Page”)
Lens is out of focus
Is the focus adjustment gear engaged? Check the location of the catch.
Audio cable connection (VN-H257VPU)
No monitor image is output.
1/3-inch Square-Pixel Progressive Scan CMOS (elementary color filter)
Approximately 2,120,000 pixels
1944 (H) x 1092 (V)
(50 %, AGC High, 1/30 s)
Color : 0.3 lx (typ.)
Black and White: 0.03 lx (typ.)
75 Ω, 1.0 Vp-p
NTSC or PAL (switch selectable)
Can connect to a microphone
that has a plug-in power system
DC2.47 V (typ.)
2.2 kΩ (typ.)
Line OUT (200 Ω, Max 1.9 Vp-p)
JPEG, H.264 High Profile, H.264 Baseline Profile, MPEG-4
1920 x 1080
1280 x 960
1280 x 720
Frame size
640 x 480
640 x 360
320 x 240
Audio compression
μ-Law (64 kbps), AD/DA 16 bits,
Fs = 8 kHz, monaural
Network interface
100BASE-TX/10BASE-T/FULL/HALF/Auto-negotiation enabled
No-voltage a contact input, PNP
open collector input, low level,
latch/momentary (500 msec or
Alarm input
longer) (1 mA circuit current at
low level, and 3.3 VDC applied
voltage at high level)
NPN open collector -output (16
Alarm output
VDC safe excitation voltage, and
30 mA allowable sink current)
Alarm record
16 MB
Focal length
f = 3 mm to 9 mm
f = 2.8 to 10.5 mm
F 1.2 (f = 2.8 mm) to
Maximum aperture
F 1.2 (f =3mm) to F 2.1 (f =9 mm)
F 2.6 (f = 10.5 mm)
Aperture range
F 1.2 to F 360
F 1.2 to F 360
Zoom ratio
3.75 x
Compliant with IEEE802.3, IEEE802.3u and IEEE802.3af
AC24 V 50 Hz/60 Hz, or
Power supply voltage
PoE (DC-48 V)
PoE (DC-48 V)
Current consumption AC24 V 0.5 A, or PoE 150 mA (7.2 W) 120 mA
-10 °C to 50 °C (Operation)
Ambient temperature
0 °C to 40 °C (Recommended)
Ambient humidity
20 %RH to 90 %RH (without condensation)
Approx. 1.3 kg
Dustproof/Waterproof IP66 compliant
DC12 V
(Alarm input equivalent circuit)
Sensor example (2)
Relay switch or
other devices
External dimensions (unit: mm)
(Alarm output equivalent circuit)
• Connect the G terminal cable of this camera to the
GND of the alarm device.
* For connecting the Alarm I/O cable, refer to [Cabling] (☞ page 2).
Screws for duct G3/4-14UNC
(Bottom, side)
EN_VN-H257VP_001D_Non-Mask.indb 4
5/24/2012 2:59:09 PM
Download PDF