Installation manual [PDF] (2 pages)
- Updated: 24.05.2026
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4-199-273-12 (1)
Network Camera
Installation Manual
Before operating the unit, please read this manual thoroughly and
retain it for future reference.
SNC-DH120/DH220
SNC-DH120T/DH220T
Owner’s Record
The model and serial numbers are located on the bottom. Record these
numbers in the spaces provided below.
Refer to these numbers whenever you call upon your Sony dealer regarding
this product.
Model No.
Serial No.
WARNING
To reduce a risk of fire or electric shock, do not expose
this product to rain or moisture.
To avoid electrical shock, do not open the cabinet. Refer
servicing to qualified personnel only.
WARNING
This installation should be made by a qualified service person and should
conform to all local codes.
WARNING
A readily accessible disconnect device shall be incorporated in the building
installation wiring.
WARNING (for Installers only)
Instructions for installing the equipment on the ceiling or the wall:
After the installation, ensure the connection is capable of supporting at least
a force of 50 Newtons (N) downwards.
CAUTION
The rating label is located on the bottom.
CAUTION for LAN port
For safety reason, do not connect the LAN port to any network devices that
might have excessive voltage.
The LAN port of this unit is to be connected only to the devices whose
power feeding meets the requirements for SELV (Safety Extra Low Voltage)
and complies with Limited Power Source according to IEC 60950-1.
Use IEEE802.3af standard compliant devices.
For customers in the U.S.A.
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.
NOTE: 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.
You are cautioned that any changes or modifications not expressly approved
in this manual could void your authority to operate this equipment.
All interface cables used to connect peripherals must be shielded in order to
comply with the limits for a digital device pursuant to Subpart B or Part 15 of
FCC Rules.
For customers in Canada
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du
Canada.
For the customers in Europe
The manufacturer of this product is Sony Corporation, 1-7-1 Konan, Minato-
ku, Tokyo, Japan.
The Authorized Representative for EMC and product safety is Sony
Deutschland GmbH, Hedelfinger Strasse 61, 70327 Stuttgart, Germany.
For any service or guarantee matters please refer to the addresses given in
separate service or guarantee documents.
For the customers in Europe, Australia and New Zealand
WARNING
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.
In the case that interference should occur, consult your nearest authorized
Sony service facility.
This apparatus shall not be used in the residential area.
ATTENTION
The electromagnetic fields at specific frequencies may influence the picture
of the unit.
Notes on Use
Before Use
If you find condensation when you open the package, turn on the power after
the condensation disappears.
Remove static electricity before installation and operation.
Data and security
You should keep in mind that the images or audio you are monitoring may be
protected by privacy and other legal rights, and the responsibility for making
sure you are complying with applicable laws is yours alone.
Access to the images and audio is protected only by a user name and the
password you set up. No further authentication is provided nor should you
presume that any other protective filtering is done by the service. Since
the service is Internet-based, there is a risk that the image or audio you are
monitoring can be viewed or used by a third-party via the network.
SONY IS NOT RESPONSIBLE, AND ASSUMES ABSOLUTELY NO LIABILITY TO YOU
OR ANYONE ELSE, FOR SERVICE INTERRUPTIONS OR DISCONTINUATIONS OR
EVEN SERVICE CANCELLATION. THE SERVICE IS PROVIDED AS-IS, AND SONY
DISCLAIMS AND EXCLUDES ALL WARRANTIES, EXPRESS OR IMPLIED, WITH
RESPECT TO THE SERVICE INCLUDING, BUT NOT LIMITED TO, ANY OR ALL
IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE, OR THAT IT WILL OPERATE ERROR-FREE OR CONTINUOUSLY.
Always make a test recording, and verify that it was recorded successfully.
SONY WILL NOT BE LIABLE FOR DAMAGES OF ANY KIND INCLUDING, BUT NOT
LIMITED TO, COMPENSATION OR REIMBURSEMENT ON ACCOUNT OF FAILURE
OF THIS UNIT OR ITS RECORDING MEDIA, EXTERNAL STORAGE SYSTEMS OR
ANY OTHER MEDIA OR STORAGE SYSTEMS TO RECORD CONTENT OF ANY TYPE.
Always verify that the unit is operating properly before use. SONY WILL NOT
BE LIABLE FOR DAMAGES OF ANY KIND INCLUDING, BUT NOT LIMITED TO,
COMPENSATION OR REIMBURSEMENT ON ACCOUNT OF THE LOSS OF PRESENT
OR PROSPECTIVE PROFITS DUE TO FAILURE OF THIS UNIT, EITHER DURING THE
WARRANTY PERIOD OR AFTER EXPIRATION OF THE WARRANTY, OR FOR ANY
OTHER REASON WHATSOEVER.
If you lose data by using this unit, SONY accepts no responsibility for
restoration of the data.
Personal information
The images taken by the system using this device can identify individuals
and thus they fall under “personal information” stipulated in the “Act on
the Protection of Personal Information”. Please handle the video data
appropriately according to law.
Information recorded using this product may also be “personal information”.
Upon disposal, transfer, repair, or any other occasion where this product or
storage media is passed on to a third party, practice due care in its handling.
Operating or storage location
Do not shoot an extremely bright object (an illumination, the sun, etc.). Also,
avoid operating or storing the camera in the following locations, as these can be
a cause of a malfunction.
Extremely hot or cold places (Operating temperature: -10°C to +50°C [14°F to
122°F])
Exposed to direct sunlight for a long time, or close to heating equipment (e.g.,
near heaters)
Close to sources of strong magnetism
Close to sources of powerful electromagnetic radiation, such as radios or TV
transmitters
Locations subject to strong vibration or shock
Humid or dusty locations
Locations exposed to rain
Locations under the influence of fluorescent light or reflection of a window
Under an unsteady light (the image will flicker.)
Ventilation
To prevent heat buildup, do not block air circulation around the camera.
Power supply
The power of this model is supplied by network cable.
Use the network cable UTP, category-5.
Damage to the network cable may result in fire or electric shock.
Transportation
Always turn off the power when carrying.
When transporting the camera, repack it as originally packed at the factory or
in materials of equal quality.
Cleaning
Use a blower to remove dust from the lens.
Use a soft, dry cloth to clean the external surfaces of the camera. Stubborn
stains can be removed using a soft cloth dampened with a small quantity of
detergent solution, then wipe dry.
Do not use volatile solvents such as alcohol, benzene or thinners as they may
damage the surface finishes.
Note on laser beams
Laser beams may damage image sensors. You are cautioned that the surface of image
sensors should not be exposed to laser beam radiation in an environment where a laser
beam device is used.
Phenomena Specific to Image Sensors
The following phenomena that may occur in images are specific to image
sensors. They do not indicate a malfunction.
White flecks
Although the image sensors are produced with high-precision technologies, fine
white flecks may be generated on the screen in rare cases, caused by cosmic rays,
etc.
This is related to the principle of image sensors and is not a malfunction.
The white flecks especially tend to be seen in the following cases:
- when operating at a high environmental temperature
- when you have raised the gain (sensitivity)
- when using the slow shutter
Aliasing
When fine patterns, stripes, or lines are shot, they may appear jagged or flicker.
About the imaging conditions
When Auto Iris is set to On, resolution may be unsatisfactory. In this case, set
Auto Iris to Off.
About the Supplied Manuals
Installation Manual (this document)
This Installation Manual describes the names and functions of parts and controls
of the Network Camera, gives connection examples and explains how to set up
the camera. Be sure to read the Installation Manual before operating.
The pictures of SNC-DH120T are mainly used in explanatory examples.
User’s Guide (stored in the CD-ROM)
The User’s Guide describes how to set up the camera and how to control the
camera via a Web browser.
After installing and connecting the camera correctly, operate referring to this
User’s Guide.
Using the CD-ROM Manuals
The supplied CD-ROM disc includes the User’s Guides for this unit in PDF format.
Preparations
The Adobe Reader Version 6.0 or higher must be installed on your computer in
order to use the guides stored in the CD-ROM disc.
Note
If Adobe Reader is not installed, it may be downloaded from the following URL:
http://www.adobe.com/
Reading the manual in the CD-ROM
1 Insert the CD-ROM in your CD-ROM drive.
A cover page appears automatically in your Web browser.
If it does not appear automatically in the Web browser, double-click on the
index.htm file on the CD-ROM.
2 Select and click on the manual that you want to read.
This opens the PDF file of the manual.
Clicking an item in the Table of Contents allows you jump to the relevant
page.
Notes
The files may not be displayed properly, depending on the version of Adobe
Reader. In this case, install the latest version, which you can download from
the URL mentioned in “Preparations” above.
If you have lost or damaged the CD-ROM, you can purchase replacement.
Contact your Sony service representative.
Adobe and Acrobat Reader are trademarks of Adobe Systems Incorporated in the
United States and/or other countries.
Location and Function of Part
The figure shows the camera without the dome casing.
Side
Cable is not connected when the unit comes from the factory.
I/O (Input/Output) cable (supplied) (SNC-DH120T/DH220T)
This cable is provided with a sensor input and an alarm output.
The wires of the cable control the following signals.
Color of wire
Name
Red
Sensor In +
White
Sensor In – (GND)
Black
Alarm Out 1 +
Yellow
Alarm Out 1 –
Brown
Unused
Green
Unused
For details on each function and required settings, see the User’s Guide
stored in the supplied CD-ROM.
For the wiring, see “Connecting the I/O cable.”
Camera head holder
Lens
LAN cable (RJ-45) (supplied and connected to the camera at the factory)
Use the network cable (UTP, category-5) for network communications and
PoE* power supply.
See “Connect to the Network” for connection.
(* PoE: The acronym for Power over Ethernet. IEEE 802.3af standard compliant
devices.)
Wiring cover
When you wire indoors, remove this cover and feed the cables through it.
Caution
Take care not to trap the cables between the camera and the ceiling or
the wall. If the cable is trapped, it may cause a fire or electric shock due to
breaking.
Inside
Camera unit
EXT CTRL (external control input/output) connector
(SNC-DH120T/DH220T)
Connect the supplied I/O cable to this connector.
NTSC/PAL switch
Switching the video output.
ZOOM/FOCUS switch
Use this switch to adjust lens’ zoom and focus. Slide the switch lever to
select the desired function.
[W] WIDE: Zoom out
[T] TELE: Zoom in
[N] NEAR: Focus on a nearby subject
[F] FAR: Focus on a distant subject
MONITOR output jack
Output the composite video signal from the camera.
Monitor out is used when you adjust the angle of view. Be sure to set
monitor out to on when you use it. Set it to off and disconnect the video
cable when you do not use it.
For details on system setting, see the User’s Guide.
Notes
Do not connect to the video cable until the POWER indicator lights
up.
Be aware that the system performance may be influenced, if
monitor out is set to on. Be sure to set it to off and disconnect the
video cable when you do not use it.
Reset switch
To reset the camera to the factory default settings, hold down this switch
with a point and supply the power to the camera.
Camera head fixing screw
First loosen the screw and face the camera head to the desired direction,
then tighten the screw to fix it.
Easy Focus button
Press this button to automatically adjust the focus easily.
Camera installation hole (2 positions)
Make sure to tighten the screws securely when installing the camera.
LAN (network) port (RJ-45)
Connect the supplied LAN cable.
NETWORK indicator (Green/Orange)
The indicator lights up or flashes when the camera is connected to the
network. The indicator is off when the camera is not connected to the
network. When 100BASE-TX is connected, the indicator turns green.
When 10BASE-T is connected, the indicator turns orange.
POWER indicator (Green)
When the power is supplied to the camera, the camera starts checking
the system. If the system is normal, this indicator lights up.
(continued on the reverse side)
2010 Sony Corporation Printed in China
1, 2
3
4
5
SNC-DH120/DH220
SNC-DH120T/DH220T
Dome casing
wrench
When ZOOM/FOCUS switch slides to N/F
When ZOOM/FOCUS switch slides to W/T
SNC-DH120/DH220
SNC-DH120T/DH220T
Ceiling
Network cable
(straight, not
supplied)
10BASE-T/
100BASE-TX
PoE supported
device (such as
a hub)
LAN cable
SNC-DH120/DH220
SNC-DH120T/DH220T
Unit: mm (inches)
Ø140 (5 5/8)
118 (4 3/4)
Ø140 (5 5/8)
119 (4 3/4)
Preparations
Connecting the Cables to the Camera
Before installation, connect the supplied cables to the camera as required for
your usage and wire them. (SNC-DH120T/DH220T)
1 Remove the screw on the bottom of the camera unit to detach the cable
cover.
2 Pass the cables through the hole on the bottom of the camera unit.
3 Connect the cables to the connectors on the camera unit.
I/O cable: to EXT CTRL connector
4 Wire the cables along the cable guides on the camera unit. Position the
cables under the cable clamps.
Note
To prevent the cables from being trapped by the dome casing, be sure to
wire them using the cable guides and clamps.
5 Pull the cables gently from the bottom of the camera unit to take in the
slack, and fix the cable cover with the screw.
To install the camera for indoor wiring, push the indoor wiring cover
outwards and then remove it and pass the cables through it.
Installation
WARNING
If you attach the camera in the height such as the wall or the ceiling, etc.,
entrust the installation to an experienced contractor or installer.
If you install the camera on the ceiling, ensure that the ceiling is strong
enough to withstand the weight of the camera plus the bracket and then
install the camera securely. If the ceiling is not strong enough, the camera
may fall and cause serious injury.
To prevent the camera from falling, make sure to attach the supplied wire
rope.
If you attach the camera to the ceiling, check periodically, at least once a
year, to ensure that the connection has not loosened. If conditions warrant,
make this periodic check more frequently.
Deciding the Installation Location of the Camera
After deciding the direction in which the camera will shoot, make the required
hole (ø 50 mm (2 inches)) for the connecting cables using the supplied
template. Then decide the two or four mounting hole positions to install the
bracket.
Mounting screws
The supplied bracket is provided with ø 4.5 mm (3/16 inch) mounting holes.
Install the bracket on a ceiling or wall with screws through two or four mounting
holes: two 83.5 mm (3 9/32 inches)-pitched holes or four 85.7 mm
(3 3/8 inches)-pitched holes. The required mounting screws differ depending on
the installation location and its material. (Mounting screws are not supplied.)
Steel wall or ceiling: Use M4 bolts and nuts.
Wooden wall or ceiling: Use M4 tapping screws. The panel thickness must be
15 mm (5/8 inch) or more.
Concrete wall: Use anchors, bolts and plugs suitable for concrete walls.
Junction box: Use screws to match the holes on the junction box.
WARNING
The required mounting screws differ depending on the installation location and
its material. If you do not secure the camera with the appropriate mounting
screws, the camera may fall off.
Installing the Camera
1 Remove the dome casing.
SNC-DH120/DH220
Pull out the screw cover and loosen the screw with a screwdriver.
Turn the dome casing to the curved mark position on the camera unit,
and remove the dome casing from the camera unit. When the screw
catches on the screw hole, pull up the screw.
SNC-DH120T/DH220T
Loosen the screw with the wrench (supplied).
Turn the dome casing to the curved mark position on the camera unit,
and remove the dome casing from the camera unit. When the screw
catches on the screw hole, pull up the screw.
2 Install the supplied bracket on the ceiling or wall.
Refer to “Mounting screws” for screws to be used.
3 Fix the supplied wire rope to the camera unit and the ceiling or wall.
Fix the wire rope with the supplied shoulder screw to the hole for the
wire rope on the bottom of the camera unit.
Pass the wire rope between the wire rope guides.
Fix the wire rope to the ceiling or wall.
4 Attach the camera unit to the bracket.
Insert the supplied two camera unit mounting screws into the two
mounting holes of the camera.
The screws have a fall-prevention mechanism. The screws inserted into
the screw holes of the camera unit do not fall even if you turn the camera
unit upside down.
Align the notch on the camera with the f mark on the bracket.
Turn the camera unit in the direction of the arrow.
Tighten the camera unit mounting screws.
Notes
Use the supplied screws for installation. otherwise, you may not install the
camera unit properly, even a falling may occur.
If you cannot use screws on a ceiling or wall, or if you want to make the
camera less conspicuous, use the YT-ICB45/YT-ICB140 in-ceiling bracket
(optional) with which you can mount the camera on the ceiling.
For this model, install the camera to the position on the side brackets of
YT-ICB45/YT-ICB140. Refer to the Installation Instructions of YT-ICB45/
YT-ICB140 for detail information.
Adjusting the Camera Direction and Coverage
1 Loosen the camera head fixing screw.
2 Adjust the camera to turn the lens in the desired direction.
3 Tighten the camera head fixing screw to fix the camera.
4 Slide the ZOOM/FOCUS switch to W/T to adjust the zoom.
The zoom indicator is displayed on the monitor.
5 Press the Easy Focus button to automatically adjust the focus.
6 Repeat steps 1 to 5 until the coverage and the focus are determined.
Notes
When you adjust the camera head angle without loosening camera head
fixing screw, an internal part may be damaged.
When the lens is not put in the slit of the camera head holder, the moving
range of the camera head is limited.
If the camera head is too heavy to be adjusted, loosen the camera head fixing
screw until it moves freely.
When adjusting the angle, be sure that the TOP mark on the camera head
section faces the ceiling. If the camera is installed with the TOP mark facing
the floor, the image appears upside down.
If you cannot achieve satisfactory focus with the Easy Focus button due to the
shooting environment, slide the ZOOM/FOCUS switch level to N/F to focus
manually. The focus indicator is displayed on the monitor.
Poor focus may also be caused by the dome case assembly. Readjust the
focus using the system menu.
For details, refer to the User Guide of the equipment.
Note
Do not turn the lens more than 360 degrees, as this may damage the wiring inside,
which may cause failure on video output.
Attaching the Dome Casing
1 Align the carved mark on the dome casing with that on the camera unit,
and turn the dome casing in the direction of the arrow.
2 Secure the screw. Only the SNC-DH120/DH220 cover should be
attached.
3 Remove the protecting film on the dome cover.
Connection
Connect to the Network
Connect the LAN connector of the camera to a PoE* supported device (such as a
hub) using the network cable (straight, not supplied).
The electrical power is supplied through the network cable. For details, refer to
the instruction manuals of the PoE supported devices.
(* PoE: The acronym for Power over Ethernet. IEEE 802.3af standard compliant
devices.)
Connecting the I/O Cable
Connect the wires of the I/O cable as follows:
Wiring diagram for sensor input
Mechanical switch/open collector output device
Camera inside
3.3 V
47 KΩ
Sensor input +
GND
Mechanical switch
Open collector
output device
Outside
or
GND
30 KΩ
10 KΩ
(GND)
Sensor input −
Wiring diagram for alarm output
R
Camera inside
Alarm Output +
Magnet relay –
24 V AC
24 V DC
1 A or less
Alarm Output –
Outside
5 V
Circuit example
GND
Specifications
Compression
Video compression format
JPEG/MPEG4/H.264
Maximum frame rate
SNC-DH120/DH120T
JPEG/MPEG4/H.264: 30 fps (1280 × 720)
JPEG: 30 fps (1280 × 1024)
MPEG4: 25 fps (1280 × 1024)
H.264: 20 fps (1280 × 1024)
SNC-DH220/DH220T
JPEG: 15 fps (1920 × 1080) /
10 fps (1920 × 1440)
MPEG4: 25 fps (1920 × 1080) /
15 fps (1920 × 1440)
H.264: 30 fps (1920 × 1080) /
20 fps (1920 × 1440)
Camera
Signal system
NTSC color system/PAL color system (switchable)
Image device
SNC-DH120/DH120T
1/3type CMOS (Exmor)
Effective picture elements:
Approx. 1,390,000
SNC-DH220/DH220T
1/2.8type CMOS (Exmor)
Effective picture elements:
Approx. 3,270,000
Synchronization
Internal synchronization
Minimum illumination
SNC-DH120/DH120T
F1.2/AGC 42 dB/50 IRE (IP)
Color 0.50 lx
Black & White 0.30 lx
SNC-DH220/DH220T
F1.2/AGC 42 dB/50 IRE (IP)
Color 0.70 lx
Black & White 0.45 lx
Lens
Focal length
3.1 mm to 8.9 mm
Maximum relative aperture
F1.2 ~ F2.1
View angle
SNC-DH120/DH120T:
Vertical: 67.4° to 25.0° (1280 × 1024)
Horizontal: 85.4° to 31.2°
SNC-DH220/DH220T:
Vertical: 65.2° to 24.2° (1920 × 1440)
Horizontal: 88.5° to 32.3°
Minimum object distance
300 mm
Interface
LAN (PoE)
10BASE-T/100BASE-TX, auto negotiation (RJ-45)
I/O port (SNC-DH120T/DH220T only)
Sensor input: × 1, make contact, break contact
Alarm output: × 1, 24 V AC/DC, 1 A
(mechanical relay outputs electrically isolated
from the camera)
Others
Power
IEEE802.3af compliant (PoE system)
Power consumption
6.0 W max.
Operating temperature
Start temperature: 0°C ~ 50°C (32°F to 122°F)
Working temperature: −10°C ~ +50°C (14°F to
122°F)
Storage temperature
–20°C to +60°C (–4°F to +140°F)
Operating humidity
20% to 80%
Storage humidity
20% to 95%
Dimensions (diameter/height)
SNC-DH120/DH220:
140 mm × 118 mm (5 5/8 inches × 4 3/4 inches)
SNC-DH120T/DH220T:
140 mm × 119 mm (5 5/8 inches × 4 3/4 inches)
Mass
SNC-DH120/DH220:
Approx. 715 g (1 lb 9.2 oz), not including the
cables and bracket
SNC-DH120T/DH220T:
Approx. 945 g (2 lb 1.3 oz), not including the
cables and bracket
Supplied accessories
CD-ROM (User’s Guides, and supplied
programs) (1), Bracket (1), Template (1), Wire
rope (1), Camera unit mounting screws (2),
Shoulder screw M4 (1), Wrench
(SNC-DH120T/DH220T) (1), I/O cable
(SNC-DH120T/DH220T) (1), LAN cable (1),
Installation Manual (this document) (1 set)
Optional accessory
In-ceiling bracket YT-ICB45*, YT-ICB140*
* Using the fixture position on the bracket.
Design and specifications are subject to change without notice.
Recommendation of Periodic Inspections
In case using this device over an extended period of time, please have it
inspected periodically for safe use.
It may appear flawless, but the components may have deteriorated over
time, which may cause a malfunction or accident.
For details, please consult the store of purchase or an authorized Sony
dealer.
indoor wiring cover
Bracket
(supplied)
Ceiling
* mark indicates the
approximate zoom position.
The number indicates
the zoom position.
* mark indicates the
approximate focus position.
The number indicates
the focus position.
Unit: mm (inches)
85.7 (3 3/8)
83.5 (2 9/32)
Hole for connecting
cables ø50
Horizontal mark
Hole for installing
the bracket
Vertical mark
85.7 (3 3/8)
2
3, 4
1
cable cover
Rating label
notch
mark
Wire rope
Ceiling
Wire rope (supplied)
Shoulder
screw
(supplied)
Wire rope
Camera unit mounting
screw (supplied) (2)
Guide
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