Notes on Use
Compression
Before Use
Before operating the unit, please read this manual thoroughly and
retain it for future reference.
SNT-EX154
SNT-EP154
 2009 Sony Corporation
Printed in China
Data and security
Interface
 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.
 Security configuration is essential for wireless LAN. Should a problem
occur without setting security, or due to the limitation of the wireless LAN
specifications, SONY shall not be liable for any damage, loss of recorded data
or restoration thereof.
 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
Owner’s Record
The model and serial numbers are located on the bottom of the unit. Record
these numbers in the spaces provided below.
Refer to these numbers whenever you call upon your Sony dealer regarding
this product.
Model No.
Video compression format
Audio compression format
Maximum frame rate
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.
IMPORTANT
The nameplate is located on the bottom.
CAUTION
These servicing instructions are for use by qualified personnel only. To
reduce the risk of electric shock, do not perform any servicing other than
that contained in the Operating Instructions unless you are qualified to do
so.
Refer all servicing to qualified service personnel.
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.
 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.
To prevent heat buildup, do not block air circulation around the unit.
Transportation
 Always turn off the power when carrying.
 When transporting the unit, repack it as originally packed at the factory or in
materials of equal quality.
12 V DC (From SNT-RS1U/RS3U)
0 °C to +45 °C (32 °F to 113 °F)
–20 °C to +60 °C (–4 °F to +140 °F)
20% to 80%
20% to 80%
78 × 34 × 382 mm (3 1/8 × 1 3/8 × 15 1/8 inches) (w/h/d)
Approx. 0.4 kg (14 oz)
Installation Manual (this document) (1)
B&P Warranty Booklet (1)
I/O port connector (Only SNT-EX154) (1)
Attachment screws (2)
SNT-EX154
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 authorised Sony dealer.
SNT-EP154


77
(3 1/8)
Cleaning
 Use a soft, dry cloth to clean the external surfaces of the unit. 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.
Please consult the store of purchase or authorized Sony dealer if there were
troubles and anomalies.
About the Supplied Manuals
Installation Manual (this document)
This Installation Manual describes the names and functions of parts and controls
of the Video Network Station. Be sure to read the Installation Manual before
operating.
Note
This product is used by installing it to the SNT-RS1U/SNT-RS3U.
See the Installation Manual of the SNT-RS1U/SNT-RS3U and User’s guide of the
unit for installation and use.
Rear

I/O (Input/Output) port
This device is provided with an RS-485 port, four sensor inputs and four alarm
outputs.
Pin No.
Indication
C
Common terminal for alarm output
For the customers in Europe
2
1
Alarm output 1 (floating)
The manufacturer of this product is Sony Corporation, 1-7-1 Konan, Minatoku, 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.
3
2
Alarm output 2 (floating)
3
Alarm output 3 (floating)
5
4
Alarm output 4 (floating)
6
1
Alarm input 1 (GND level reference)
7
2
Alarm input 2 (GND level reference)
8
3
Alarm input 3 (GND level reference)
ALARM
OUT
4
For the customers in Europe, Australia and New Zealand
WARNING
9
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.
4
Alarm input 4 (GND level reference)
G
ALARM IN/RS-485 reference GND
11
+
RS-485 (+) input/output (GND level
reference)
12
–
10
ALARM IN
/RS-485
RS-485 (–) input/output (GND level
reference)
 LAN (network) port (RJ45)
Connect to the 10BASE-T or 100BASE-TX network using a network cable (UTP,
category 5).
CAUTION
 For safety, do not connect the connector for peripheral device wiring that
might have excessive voltage to this port. Follow the instructions for this
port.
 When you connect the LAN cable of the unit to peripheral device, use a
shielded-type cable to prevent malfunction due to radiation noise.
 (microphone input/line input) terminal (min-ijack, monaural)
Connect a commercially-available microphone when using the microphone
input.
The plug-in power system (reference voltage 2.5 V DC) is supported. Input
between microphone and line input is user-switchable.
 Video input terminal (BNC)
Input composite video signal.
 (line output) terminal (minijack, monaural)
Connect to a speaker with a built-in amplifier.
On-board 
 Video signal terminating resistor switch
Switches 1 to 4 respectively, corresponding to video input terminals 1 to 4.
Note
Always turn on the switch when using Coaxitron® (SNT-EX154 only). The device
does not operate with the switch off.
78
(3 1/8)
78
(3 1/8)
Functions
1
.
Power supply
Operating temperature
Storage temperature
Operating humidity
Storage humidity
Dimensions 
Mass
Supplied accessories
Ventilation
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.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du
Canada.
Others
Avoid operating or storing the camera in the following locations.
 Extremely hot or cold places (Operating temperature: 0 °C to +45 °C [32 °F to
113 °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
Location and Function of Part
This Class A digital apparatus complies with Canadian ICES-003.
Network port
10BASE-T/100BASE-TX, auto negotiation (RJ-45)
I/O port (Only SNT-EX154)
Sensor input : × 4
Alarm output : × 4
(electrically isolated from the unit)
Camera control interface: ×1 (RS-485)
Microphone input/Line input (switchable by setting) (Only SNT-EX154)
Mini-jack (monaural)
Microphone input: Supports plug-in power system
(reference voltage 2.5 V DC)
Line output
Minijack (monaural) (SNT-EX154 only)
Operating or storage location
You are cautioned that any changes or modifications not expressly approved
in this manual could void your authority to operate this equipment.
For customers in Canada
JPEG/MPEG4/H.264
G.711/G.726 (40, 32, 24, 16 kbps)
30 fps
382
(15 1/8)
Installation Manual
If you find condensation when you open the package, turn on the power after
leaving it for about 60 minutes.
SNT-EP154
34
(1 3/8)
Video Network Station

Specifications
34
(1 3/8)
4-154-545-11 (1)
SNT-EX154
Unit: mm (inches)