JVC VN-V25U, VN-V26U User Manual

IP CAMERA

VN-V25U VN-V26U

INSTRUCTIONS

VN-V25U

VN-V26U

Thank you for purchasing this JVC product. Before operating this unit, please read the instructions carefully to ensure the best possible performance.

LST0674-001A

Getting Started

Safety Precautions

Attention:

This symbol is only valid in the European Union.

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 to conserve natural resources and will help prevent potential negative effects on the environment and human health which could otherwise be caused by 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 www.jvc-europe.com to obtain information about the take-back 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.

FOR USA AND CANADA

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION:TO REDUCE THE RISK OF ELECTRIC SHOCK. DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE.REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

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 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.

2

Due to design modifications, data given in this instruction book are subject to possible change without prior notice.

WARNING:

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSETHIS APPLIANCETO RAIN OR MOISTURE.

AVERTISSEMENT:

POUR EVITER LES RISQUES D’INCENDIE OU D’ELECTROCUTION, NE PAS EXPOSER L’APPAREIL A L’HUMIDITE OU A LA PLUIE.

INFORMATION (FOR CANADA) RENSEIGNEMENT (POUR CANADA)

This Class A digital apparatus complies with Canadian ICES-003.

Cet appareil num rique de la Class A est

WARNING (FOR EUROPE):

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.

●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 an AC 24 V power supply.

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/ outputs have not been evaluated by UL to be used for Burglar Alarm Functionality.

This manual describes detailed usage of VN-V25U/26U.

For basic usage of VN-V25U/26U, please refer to AStart-up GuideB.

For latest information, please refer to AReadmeB file in the CD-ROM.

●The supplied CD-ROM includes AInstructions (this manual)B(pdf), AAPI GuideB(pdf), ASearch toolB and AWhite Spot Correction ToolB.

FOR USA-California Only

This product contains a CR Coin Cell Lithium Battery which contains Perchlorate Material - special handling may apply.

See www.dtsc.ca.gov/hazardouswaste/perchlorate

ENGLISH

Dear Customer,

This apparatus is in conformance with the valid European directives and standards regarding electromagnetic compatibility and electrical safety.

European representative of Victor Company of Japan, Limited is: JVC Technology Centre Europe GmbH

Company name changed in:

JVC Technical Services Europe GmbH Postfach 10 05 52

61145 Friedberg Germany

DEUTSCH
Sehr geehrter Kunde, sehr geehrte Kundin,
dieses Gerät stimmt mit den gültigen europäischen Richtlinien und Normen bezüglich
elektromagnetischer Verträglichkeit und elektrischer Sicherheit überein.
Die europäische Vertretung für die Victor Company of Japan, Limited ist:
JVC Technology Centre Europe GmbH
Firmenname geändert in:
JVC Technical Services Europe GmbH
Postfach 10 05 52
61145 Friedberg
Deutschland	3

Getting Started

These are general IMPORTANT SAFEGUARDS and certain items may not apply to all appliances.

IMPORTANT SAFEGUARDS

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 PORTABLE CART WARNING fall, causing serious injury to a child or adult, and serious damage to the appliance. (symbol provided by RETAC)

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	S3125A
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 personnel.

16.Unplug this appliance from the wall outlet and refer servicing to qualified service personnel under the following conditions:

a.When the power cord or plug is damaged or frayed.

b.If liquid has been spilled into the appliance.

c.If the appliance has been exposed to rain or water.

d.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 damaged.

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.

4

Contents
Getting Started ...................................	2
Safety Precautions .....................................	2
Main Features .............................................	6
Operating Environment ...............................	7
Cautionary Notes ........................................	8
Name and Function of Parts .....................	10
Front / Bottom / Side .............................	10
Side .......................................................	11
Rear ......................................................	12
Features ...................................................	13
Setup Procedures .....................................	15
Connection / Installation .................	16
Mounting the Lens ....................................	16
Power Connection ....................................	17
Connecting to the AC 24 V power
supply ............................................	17
Using the PoE .......................................	18
LAN Cable Connection .............................	19
Monitor Signal Output Terminal
Connection ........................................	19
Connecting the audio signal output
terminal (VN-V26U only) ...................	19
Alarm Input/Output Terminal
Connection ........................................	20
Alarm Input Terminal ............................	20
Alarm Output Terminal ..........................	20
Mounting the Camera ...............................	21
Mounting to the Housing Using the Inner
Tripod Base .......................................	22
Back Focus Adjustment ............................	23
Network Requirements .............................	24
Network Settings .............................	27
IP Address Settings ..................................	27
Setting the IP address for
VN-V25U/26U ...............................	27
When the IP address of
VN-V25U/26U is known ................	32
When the IP address of
VN-V25U/26U is unknown ............	32

Setting Using Internet Explorer ......	33
Setup ........................................................	33
Internet Explorer Setup .........................	33
Setting ......................................................	36
View Page .............................................	36
Camera Page ........................................	38
Encoding Page .....................................	44
Audio Page (VN-V26U only) .................	46
Alarm Page ...........................................	47
Alarm Environment Page ......................	52
Privacy Mask Page ...............................	56
Motion Detection Page .........................	58
Basic Page ............................................	60
Details Page .........................................	62
Protocol Page .......................................	63
Streaming Page ....................................	64
Access Restrictions Page .....................	66
Time Page ............................................	68
Password Page .....................................	69
Maintenance Page ................................	70
LED State Page ....................................	71
List of Factory Settings of Each Page ...	72
Miscellaneous Page ..............................	74
Operation Page .....................................	75
Settings Page .......................................	76
Operation ..........................................	79
Operation of Built-in Viewer ......................	79
Internet Explorer Setup .........................	79
Installing the built-in viewer ...................	81
Screen Configuration of JPEG
Viewer ...........................................	82
JPEG Viewer Configuration ..................	84
Exiting the JPEG Viewer .......................	87
Screen Configuration of MPEG4
Viewer ...........................................	88
MPEG4 Viewer Configuration ...............	90
Exiting the MPEG4 Viewer ...................	93
Audio Setup (VN-V26U only) ................	94
Shortcut for Built-in Viewer ...................	96
Others ................................................	97
Troubleshooting ........................................	97
Specifications .........................................	100
Dimension ...........................................	102

5

Getting Started

Main Features

High Picture Quality

The camera unit of this product employs a 330,000-pixel CCD (1/4") which enables high quality video surveillance.

Support for Dual Stream

Simultaneous distribution of JPEG and MPEG4 images is possible.

Realization of Full Frame Rate

Data transmission is possible in VGA size at a rate of 30 fps.

Support for Multicast

This product supports multicast, which enables transmission of image data to multiple computers on the network without lowering the frame rate. (Audio is supported for VN-V26U)

Built-in Web Server

You can configure the picture quality and communication settings using the Internet Explorer.

HTTP-based API

This product comes with HTTP-based API. This feature enables you to perform setting and control via the network.

Electronic Sense Up

You can shoot images during surveillance at a dark place by lengthening the exposure time to enhance the camera’s sensitivity level.

Night Surveillance

This product comes with a low luminance feature, which switches automatically to the high sensitivity mode (black-and-white).

VN-V26U is equipped with an infrared ray cutoff filter plug that enables day and night surveillance. Turning off the infrared ray cutoff filter when the light intensity level is low, such as at night, enables you to switch to the high sensitivity mode (B&W mode).

In the case of VN-V25U, you can switch to a simple high sensitivity mode by turning off the color signals when the light intensity level is low, such as at night (Easy day and night mode).

Privacy Mask

You can configure the privacy mask setting to hide specific area in shooting area.

Motion Detection

This feature enables output of an alarm upon detection of motion in the video image within preset area.

Pre-/Post-recorded image files may be sent via FTP using the alarm input.

Support for PoE (Power over

Ethernet)

This product supports PoE (IEEE802.3af) and enables power supply from a LAN cable. PoE: class 2 (VN-V25U)

class 0 (VN-V26U)

Built-in JPEG and MPEG4 Viewer

Monitoring of JPEG and MPEG4 images via a computer is possible by downloading the built-in viewer onto the computer.

VN-V26U also enables monitoring of audio using the computer.

Analog Monitor Signal Output (For

Installation)

This product comes with an analog video monitor signal output terminal for adjusting the camera angle during installation.

Compatibility with Conventional

Peripheral Devices

This product comes in the same shape as conventional CCTV security cameras, and therefore can be used with other peripheral devices for security cameras such as housings.

Built-in microphone and audio output terminal (VN-V26U only)

Built-in microphone enables sending audio to computers. And this product can receive audio from a computer and output to audio terminal.

6

How to use this manual

Symbols used

Caution : Describes precautions concerning

	the operation of this product.
Note	: Describes reference information,
	such as functions and usage
	restrictions of this product.
A	: Indicates the reference page
	numbers and reference items.

Diagrams and images on features that are common between VN-V25U and VN-V26U are indicated as VN-V25U.

Content of this manual

●All rights reserved by JVC. Unauthorized duplication or reprinting of this manual, in whole or in part, is strictly prohibited.

●Windows is a registered trademark of Microsoft Corporation in the U.S.

●All other product names used in this manual are trademarks or registered trademarks of their respective companies. Marks such as , and have been omitted in this manual.

●Illustrated designs, specifications and other contents of this manual are subject to changes for improvement without prior notice.

Operating Environment

Recommended Computer Specifications

OS	: Windows XP (Professional or
	Home Edition) (SP2)
CPU	: Pentium4 1.5 GHz or higher

Memory capacity

: 1 GB or more

Free hard disk space

: 512 MB or more

Display and video card

:1024 768 pixels or larger, True Color (24 or 32 bits) VRAM 8 MB or more (256 MB and above recommended)

Sound card (VN-V26U only)

:Sound Blaster (PCI recommended)

Web browser : Internet Explorer Version 6.0

LAN Environment

●10BASE-T/100BASE-TX network interconnected using devices such as an IEEE802.3-compliant switching hub.

●IEEE802.3af-compliant switching hub when PoE is in use.

●IGMPv2-compliant network when multicast is in use.

Note:

●The above PC specifications are guides for smooth use of the applications, and not a guarantee of their operation.

●Depending on the condition of use, applications may not run smoothly even when the user’s computer meets the specification requirements.

●Using a computer for which its performance does not meet the requirements may cause the JPEG playback frame rate to deteriorate. In addition, it also causes delay in the MPEG4 playback images, and may result in interruption in playback.

Audio may be interrupted. (VN-V26U only)

●To make use of the built-in MPEG4 Viewer of VN-V25U/26U, install “ffdshow” that is open source codec. You can download “ffdshow” from the Internet.

●AD/DA clock varies significantly depending on the sound card built in the PC. Using such card may cause overflow or underflow of audio data and noise may occur in the playback sound.

7

Getting Started

Cautionary Notes

Maintenance and location of use

This product is intended for use indoors. Make sure that you use a housing etc., when using it outdoors.

Do not place this product in the following environments.

Otherwise, it may malfunction or break down.

●Hot or cold locations beyond the surrounding temperature range of -10°C to 50°C.

●Locations beyond the allowable operating humidity range of 20 % to 85 %. (condensation is not 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 with excessive dust or sand.

●Locations that are subject to excessive vibration.

●Locations prone to moisture such as window side.

●Locations subject to steam or oil, such as kitchens.

●Locations that emit radiation, X-rays or corrosive gases.

Use of this product or cables connected to this product at locations where strong electric waves and magnetic fields are emitted (e.g., near radio, TV, transformer, monitor, etc.) may cause noise interferences in the images or changes in the color.

Do not install this product at locations that may trap heat.

This product also discharges heat from the surface of the camera unit. As such, do not install it at locations that may trap heat, such as near walls.

Handling Precautions

Do not hang on this product, shake it, or hand objects over it. Applying an excessive load may cause the product to fall off and result in accidents.

Do not stack up the equipment.

Heat or noise of an equipment may cause malfunction or failure of the other, and result in fire.

Do not block vents around the equipment.

Inadequate heat ventilation may result in malfunction of this product. Be sure not to block vents around the product.

Saving Energy

When this product is not in use for a long period of time, turn off the power of the system to ensure safety and reduce power consumption.

Maintenance

Be sure to turn off the power before performing maintenance.

Wipe this product using a soft cloth.

Wiping with thinner or benzene may melt or tarnish its surface. For dirt that cannot be easily removed, wipe using a neutral detergent diluted with water, followed by wiping with a dry cloth.

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 for the duplication, modification, or transmission of copyrighted video and audio data.

Unauthorized duplication, modification, or transmission of copyrighted material may constitute a copyright infringement, and the user may be liable to compensate for any damages. When using copyrighted video/ audio data, be sure to check the license agreement of the copyrighted material thoroughly.

When rights or rights holders are involved with regard to the targeted duplicating subject, permission may be required for shooting or using (processing) it. Be sure to check the licensing conditions thoroughly.

Exemption of Liability

The motion detection feature is not a feature to prevent theft or fire. JVC shall not be liable for any damage that occurs.

JVC shall not be liable for any damage due to the invasion of privacy by images of this camera.

Others

The cable stopper of the alarm terminal may come off in some cases. When mounting the cables, make sure to do so carefully.

8

If a high luminance object (such as a lamp) is shot, a white smear may appear at the upper and lower ends of this object on the screen. This phenomenon (smear) is characteristic of solid-state image sensors, and is not a malfunction.

Some hubs/switches of products that are equipped with intelligent features may include a broadcast/multicast suppression function. Viewing of multicast images on this product may fail if this function is enabled.

Electricity can be supplied to this product either by connecting the AC 24 V power supply or using the PoE. Make sure to select only one mode of electrical supply. Connecting the power cord and the LAN cable for the PoE at the same time may result in failure or malfunction of the camera.

(A Page 17, 18)

This product comes with a built-in AGC circuit. When using this product with AGC set to AMidB, AHighB or ASuperB, the sensitivity level increases when the image is dark, and the screen may appear grainy as a result. However, this is not a malfunction.

When using this product with the white balance set to AATWB, the displayed color may differ slightly from the actual color according to the condition of the object due to the principle of the automatic tracking white balance circuit. This is not a malfunction.

The electronic shutter of this product is set to A1/30B by default. For regions with a commercial power supply frequency of 50 Hz, switch to the flickerless mode during use under fluorescent lights (excluding inverter lighting equipment) to prevent flickers.

When the Black-and-white mode (VN-V26U) or Easy Day and Night mode (VN-V25U) is enabled, the image becomes black-and-white in a dark place. As the sensitivity level is increased in this case, the screen may appear grainy and more white spots may appear. When switching between color and black-and-white images, the brighter area on the screen is emphasized, which may reduce the visibility. However, this is not a malfunction.

If the power supply voltage is momentarily cut off or reduced due to lightning, turning on of the air conditioner’s power, etc., the image may be disrupted or noise interference may occur.

When using multicast, make use of a IGMPv2-compliant network switch.

In the case of VN-V26U, the image and sound may not synchronize when playing back using built-in viewer. This is not a malfunction.

When VN-V26U is sending high bitrate, the image and sound can be paused during Black-and-white mode changing. This is not a malfunction.

9

Getting Started

Name and Function of Parts

Front / Bottom / Side

The model illustrated in the diagram is VN-V26U.

A I

H

B G

F

E

C

D J

A Back Focus Adjustment Ring

This ring is used for back focus adjustment and switching the lens mount method.

To operate, loosen the I back focus fastening screw by turning it in the anti-clockwise direction, and turn the screw in the clockwise direction to fasten after operation is complete.

This product is pre-adjusted to a position that is best suited for CS mount.

(A Page 23)

B Lens Mount

This is a mount for mounting the lens.

The mount is compatible with CS mount lens and C mount lens.

(A Page 16)

C Camera Mounting Bracket Fastening Screw (2 pcs: M2.6 x 6 mm)

Use screws with a length of 6 mm. Screws beyond the specified length must not be used as doing so may damage the interior.

D Anti-rotation Hole

Use screws with a length between 5 mm to

7 mm. Screws beyond the specified length may damage the interior, while those shorter than specified may cause the camera to fall off, and therefore these must not be used.

(A Page 21)

FBuilt-in Microphone (VN-V26U only)

Audio picked up using this microphone is sent to computers.

G[MAC address] Indicator

The MAC address is a unique physical address of the product. This address cannot be altered.

H Camera Mounting Bracket

This bracket is pre-mounted to the bottom surface of the camera. It can also be mounted to the top surface according to the usage. Mount it to the screw holes at the top surface using the C camera mounting bracket fastening screws.

(A Page 21)

I [BF LOCK] Back Focus Fastening Screw

Use this anti-rotation hole to mount the camera firmly.

E Camera Mounting Screw Holes (1/4-20UNC)

Use this hole when mounting this product to a fixer or rotating platform.

This is the fastening screw for the back focus adjustment unit. (A Page 23)

J Inner Tripod Base Screw Hole (1/4-20UNC)

Use this hole when mounting this product to a miniature housing.

You can mount to the housing through this hole directly without using the H camera mounting bracket. (A Page 22)

10

Side

KL

MONITOR OUT

PAL OFF NTSC

RESET

STATUS

IRIS

N M

K [MONITOR OUT] Monitor Output Selection Switch

Use this switch to select the availability of output from the O [MONITOR OUT] terminal as well as the signal system.

NTSC : Outputs NTSC signals.

OFF	: No output. Select this value when
	distributing images to the network.
PAL	: Outputs PAL signals.

[Default setting: OFF]

Caution:

●Images are not distributed to the network when ANTSCB or APALB is selected.

●When the switch is changed, press the L Reset button to reboot the unit.

L [RESET] Reset Button

This is a button for rebooting the camera. Press this button and release within 5 seconds to reboot the camera.

It takes about one minute for the camera to reboot. During startup, the [RESET] button is disabled.

Note:

Pressing the [RESET] button for 5 seconds or longer switches the camera to the service verification mode. Do not press the button for 5 seconds or longer.

M [IRIS] Iris Terminal

Use this terminal to connect the DC iris lens. (Connection with the video iris lens is not possible.)

(A Page 16)

N [STATUS] Status Indicator

This status of this product is indicated in green or orange color.

Starting up: Lights up in orange Startup complete: Lights up in green Error: Blinks in orange

Note:

You can adjust the [LED State] settings via the network to turn off the indicator after startup is complete. (A Page 71)

11

Getting Started

Rear

VN-V25U		R				Q
		1	2		G	2	1	2	1
			AC24V	INPUT		ALARM			OUTPUT
		FOREUROPE AND OTHER							S
CLASS2 ONLY FOR USA	ISOLATEDPOWER ONLY			PoE
			OUT
			MONITOR
					10BASE-T/
SEE INSTRUCTION MANUAL					100BASE-TX

CAUTION: NEVER USE PoE AND AC 24V AT THE SAME TIME	PUSH
DO NOT CONNECT TO THE TELEPHONE NETWORK

O P

VN-V26U		R				Q
		1	2		G	2	1	2	1
			AC24V	INPUT		ALARM			OUTPUT
		FOREUROPE AND OTHER
CLASS2 ONLY FOR USA	ISOLATEDPOWER ONLY
			OUT	PoE				AUDIO OUT
			MONITOR
					10BASE-T/
SEE INSTRUCTION MANUAL					100BASE-TX

CAUTION: NEVER USE PoE AND AC 24V AT THE SAME TIME	PUSH
DO NOT CONNECT TO THE TELEPHONE NETWORK

O P

S T

O [MONITOR OUT] Monitor Video Signal Output Terminal (RCA)

This is an output terminal for composite video signals (1 V (p-p), output impedance of 75 K). Use this terminal to connect to devices such as a video monitor.

This terminal is used for adjusting the camera angle during installation. (A Page 19)

Note:

●Use the K [MONITOR OUT] switch to select the availability of output as well as the signal system. When the switch is changed, press the L Reset button to reboot the unit.

●When using the [MONITOR OUT] output, set the privacy mask to AOffB. (A Page 56)

P [10BASE-T/100BASE-TX]

Use this terminal to connect to the network via a LAN cable.

This product supports PoE (IEEE802.3af) and therefore can be used without a power cable. PoE: class 2 (VN-V25U)

class 0 (VN-V26U) (A Page 17)(A Page 19)

Q [ALARM INPUT/OUTPUT] Alarm Input/ Output Terminals

Use these terminals to connect to an external alarm device.

(A Page 20)

R [AC24V] Power Input Terminal

Use this terminal to connect to an AC 24 V, 50/60 Hz power supply.

(A Page 17)

S Fall Prevention Wire Mounting Screw (M3 x 6 mm)

Use this screw to mount the fall prevention wire. (A Page 21)

T [AUDIO OUT] Audio signal output terminal (mini jack R3.5 mono) (VN-V26U only)

Outputs audio (analog) received from a computer.

Does not output audio from the F built-in- microphone.

12

Features

Surveillance Using the Built-in Viewer

VN-V25U/26U comes with a built-in ActiveX JPEG Viewer and MPEG4 Viewer.

JPEG images and MPEG4 images of VN-V25U/26U can be monitored using the computer by installing this built-in viewer on the computer. JPEG images that are currently displayed can also be captured in the computer’s hard disk.

For VN-V26U, you can check the audio of the built-in microphone using the computer. AOperation of Built-in ViewerB (A Page 79)

VN-V25U/26U

MAC address

Network

Computer

VN-V25U/26U accepts requests from 20 clients at maximum.

Monitoring via Multicast

Multicast enables monitoring of JPEG and MPEG4 images on multiple computers.

For VN-V26U, you can check the audio of the built-in microphone using the computer. AStreaming PageB (A Page 64)

AJPEG Viewer ConfigurationB (A Page 84) AOperationB (A Page 90)

VN-V25U/26U

MAC address

	Computer
IGMP-
Compliant
Network	Computer

Computer

Surveillance via Dual Stream

Simultaneous distribution of JPEG and MPEG4 images enables real-time surveillance using MPEG4 (30 fps) and recording of JPEG images at the same time. You can also lengthen the recording time by lowering the frame rate, resolution, and picture quality settings for JPEG images.

	Real-time Surveillance
VN-V25U/26U	Using MPEG4
MAC address

Computer

Network

Storage Device

Recording JPEG Images

Saving JPEG images to the FTP server at regular intervals

JPEG images may be uploaded to the FTP server at regular intervals.

AFTPB (A Page 53)

VN-V25U/26U

MAC address

Network

Computer Uploads the latest JPEG

images to the FTP server at regular intervals

13

Getting Started

Sending audio to the network (VN-V26U only)

Sends out audio picked up using the built-in microphone of VN-V26U to computers.

VN-V26U	Headset
MAC address

Built-in mike

Network

Computer

Receiving and outputting audio from the computer via the network (VN-V26U only)

Receives audio that is input to a computer, and outputs the audio to a speaker that is connected to [AUDIO OUT] terminal of VN-V26U.

Speaker with amplifier

VN-V26U	Headset
MAC address

Network

Computer

Note:

●Use of a headset for audio input/output of the computer is recommended to prevent howling.

Alarm

VN-V25U/26U comes with a motion detection feature and dual alarm input.

By motion detection or alarm input, actions such as mail delivery, message transmission via TCP/ UDP, alarm output can be triggered. These actions can also be triggered by combination of two alarm inputs.

Installing an FTP server enables uploading of JPEG images before and after the alarm input time (pre-/post-recording) to the server.

AAlarm PageB (A Page 47)

AJPEG Viewer ConfigurationB (A Page 84)

VN-V25U/26U	Alarm Device
MAC address

Network

Computer

Sending JPEG images before and after alarm input to FTP

Restrictions on Clients

VN-V25U/26U enables users to authorize or reject the acquisition of images by specific IP address.

(A Page 66)

Control via customized application software

The following uses are also possible by developing a customized application software that supports the API of VN-V25U/26U.

For details, please refer to AAPI GuideB in the supplied CD-ROM.

●Monitors via the computer while at the same time records images to the HDD of the computer.

●Performs recording by changing the frame size/frame rate during alarm occurrence.

●Records the type and time of alarm occurrence on the computer.

14

Setup Procedures

Step 1 Connection/Installation (A Page 17)

Connect the lens mount, power supply cord, LAN cable and alarm.

Next, mount the camera to the ceiling. Remember also to mount the fall prevention wire. After the camera is mounted, connect the video monitor to the [MONITOR OUT] terminal at the rear of the unit, followed by adjusting the camera angle.

You can select the video signals of the [MONITOR OUT] terminal using the [MONITOR OUT] switch. (ANTSCB or APALB) (Back focus adjustment A Page 23) ([MONITOR OUT] switch A Page 11)

TAfter adjusting the camera angle using the [MONITOR OUT] terminal, set the [MONITOR OUT] switch to AOFFB. Images are not distributed to the network when ANTSCB or APALB is selected. After changing the [MONITOR OUT] switch setting, press the Reset button to reboot the camera.

G

Step 2 Network settings (A Page 27)

Configure the network settings of the computer and this camera.

TIn a system where multiple units of VN-V25U/ 26U are used, turn on the power of only one unit to configure the IP address settings using the Internet Explorer. Upon doing so, turn on the power of the second unit and configure accordingly. Configure the settings for the other cameras using the same procedure.

G

Step 3 Configuring settings using the Internet Explorer (A Page 33)

Configure the picture quality and alarm settings using the Internet Explorer.

G

Step 4 Operating the built-in viewer (A Page 79)

The built-in viewers enable you to monitor JPEG and MPEG4 images and save JPEG images.

15

Connection / Installation

Mounting the Lens

1.Check the mounting method of the lens to be used before mounting

●The default method used for this camera is CS mount. To use a C mount lens, loosen the back focus fastening screw using a screwdriver, followed by turning the back focus adjustment ring using a finger or pointed object (e.g., screwdriver, etc.) to change the mount method.

●Make use of the values listed in the table below for the dimensions of the lens mount

(a) indicated in the following diagram.

Lens	Flange Focus (b)	Dimension (a)
C Mount	17.526 mm	VN-V25U: 10
Lens		mm and below
		VN-V26U: 5.5
		mm and below
CS Mount	12.5 mm	5.5 mm and
Lens		below

●Objects longer than the dimension (a) must not be used as doing so may damage the camera interior or prevent the lens from being properly mounted, hence resulting in malfunctions.

2.Turn the lens in the clockwise direction to mount it to the camera firmly

3.When using a DC iris lens, pay attention to the pin position before connecting the lens cable

2.

MONITOR OUT	PAL OFF NTSC	RESET
STATUS

1	3	3.
2	4

4.Pin Plug

			1	3
				4
				2
		Pin No.		DC Iris Lens
			(Without Built-in EE Amplifier)
Loosen
	Back Focus Fastening	1		Damping (-)
(a)	Screw (M2.6)	2		Damping (+)
	F
		3		Driving (+)
		4		Driving (-)
	(b)

16

Power Connection

Electricity can be supplied to this product either by connecting to the AC 24 V power supply or using the PoE (A Page 18).

When power is supplied to this product, the [STATUS] indicator at the side lights up. The indicator lights up in orange color during startup, and switches to green color after startup is complete.

You can select not to light up the [STATUS] indicator when the unit is running. (A Page 71)

Caution:

●Make sure to select only one mode of electrical supply. Connecting the power cord and the LAN cable for the PoE at the same time may result in failure or malfunction of the camera.

●Be sure to use an AC 24 V supply that is isolated from the primary power supply circuit. Using a variable voltage power supply will cause the camera and system to malfunction or breakdown.

Connecting to the AC 24 V power supply

Connect this product to the AC 24 V power supply when the PoE is not used.

Caution:

●Make sure to select only one mode of electrical supply. Connecting the power cord and the LAN cable for the PoE at the same time may result in failure or malfunction of the camera.

●The unit is to be powered by an AC 24 V power supply.

The AC 24 V power supply should conform to the following: Class 2 only (For USA), Isolated power supply only (For Europe and others).

						To Power
						Supply
1	2	G	2	1	2	1
	INPUT					OUTPUT

CLASS2 ONLY FOR USA ISOLATEDPOWER ONLY FOREUROPE AND OTHER	AC24V	ALARM
	OUT	PoE
	MONITOR
		10BASE-T/
SEE INSTRUCTION MANUAL		100BASE-TX
CAUTION: NEVER USE PoE AND AC 24V AT THE SAME TIME
DO NOT CONNECT TO THE TELEPHONE NETWORK			PUSH

MONITOR OUT

PAL OFF NTSC

RESET

STATUS

IRIS

Status Indicator

Power cord

●To prevent misconnection and detachment of cords, use a lug plate to connect the cord to the terminal.

●When a two-core VVF (vinyl insulated vinyl sheath cable) is used, the connection distance is as follows. (Reference value)

Conductor Diameter		R1.0mm	R1.6 mm	R2.0mm
(AWG No.)		(18) and	(14) and	(12) and
		above	above	above
Maximum	VN-V25U	150 m	400 m	630 m
Extension
	VN-V26U	90 m	240 m	370 m

Warning

The rated power of this product is AC 24 V, 50 Hz/60 Hz. Make sure to use it with the correct voltage.

Use an AC 24 V supply that is isolated from the primary power supply.

Supplying a power beyond the rated value may result in failures, smoke or fire. When the camera breaks down, turn off the power and contact our service center immediately. When a power beyond the rated value is supplied, the internal components may be damaged even if no abnormality is found on the appearance and operation of the camera. Please contact our service center immediately for servicing (charged separately).

Note:

●After DHCP timeout, all IP addresses of VN-V25U/26Us are set to 192.168.0.2 by default. When the power of multiple cameras within the same LAN environment are turned on at the same time, the IP address of the cameras overlap, thus preventing proper access. As such, make sure to turn on the power of the cameras one by one.

17

Connection / Installation

●In a system where multiple units of VN-V25U/ 26U are used, turn on the power of only one unit to configure the IP address settings using the Internet Explorer. Upon doing so, turn on the power of the second unit and configure accordingly. Configure the camera settings using the same procedure.

●When overlapping of the IP address occurs, check to ensure that there is only one VN-V25U/26U unit within the same LAN environment, and wait for a while (at least 10 minutes) or power off and on all network devices under the same LAN environment. Otherwise, access to VN-V25U/26U may fail.

Using the PoE

Connect to a device that supports PoE to supply electricity from the LAN cable.

1

2

G 2 1 2 1

	AC24V	INPUT	OUTPUT
CLASS2 ONLY FOR USA ISOLATEDPOWER ONLY FOREUROPE AND OTHER		ALARM
	OUT	PoE
	MONITOR
		10BASE-T/
SEE INSTRUCTION MANUAL		100BASE-TX
CAUTION: NEVER USE PoE AND AC 24V AT THE SAME TIME
DO NOT CONNECT TO THE TELEPHONE NETWORK			PUSH

Connect to PoEcompatible device

Note:

●For details on the connection method and cable type, please refer to ALAN Cable ConnectionB (A Page 19).

What is PoE (Power over Ethernet)?

This is a function that enables operation of a LAN equipment without a power cable by supplying power simultaneously with the data using a LAN cable.

18

LAN Cable Connection

Connect the camera to a hub or computer using a LAN cable.

Cable to use

●Shielded cable

●Length of 100 m or shorter

When connecting to a hub

Make use of a straight cable.

When connecting to a computer

Make use of a cross cable.

		1	2		G	2	1	2	1
		1	2		G	2	1	2	1
		AND OTHER	AC24V	INPUTINPUT		ALARM			OUTPUTOUTPUT
ONLY FOR USA	POWER ONLY
			AC24V			ALARM
USA		OTHER
2	ONLY	EUROPE		PoE
FOR	ISOLATED	AND	MONITOR
			OUT		10BASE-T/
CLASS	POWER	FOR		PoE
ONLY2	SEE INSTRUCTION MANUAL				100BASE-TX
		EUROPE
			MONITOR		AC 24V AT THE SAME TIME
CAUTION: NEVER USE				PoE AND
CLASSDOISOLATEDNFORT CONNECT TOOUTTHE TELEPHONE NETWORK									PUSH
					10BASE-T/
SEE INSTRUCTION MANUAL					100BASE-TX

CAUTION: NEVER USE PoE AND AC 24V AT THE SAME TIME
DO NOT CONNECT TO THE TELEPHONE NETWORK	PUSH

Caution:

●However, cross cables cannot be used with some computer models. When connecting VN-V25U/26U directly to a computer, check the computer’s LAN specifications in advance.

Note:

●Make use of a Category 5 (or higher) cable when 100BASE-TX is used.

●To distribute images to the network, set the [MONITOR OUT] switch at the side of this product to AOFFB.

[MONITOR OUT] Switch

MONITOR OUT

PAL OFF NTSC

RESET

STATUS

IRIS

Monitor Signal Output Terminal

Connection

This terminal is used for adjusting the camera angle during installation. Connect it to devices such as a video monitor using a video cable (RCA).

1	2	G 2	1 2	1
	AC24V	INPUT		OUTPUT
CLASS2 ONLY FOR USA ISOLATEDPOWER ONLY FOREUROPE AND OTHER		ALARM
	OUT	PoE
	MONITOR
		10BASE-T/
SEE INSTRUCTION MANUAL		100BASE-TX
CAUTION: NEVER USE PoE AND AC 24V AT THE SAME TIME
DO NOT CONNECT TO THE TELEPHONE NETWORK				PUSH

Caution:

●A longer cable extension distance causes signals to be attenuated, image resolution to deteriorate and noise to increase.

Note:

●Select the signal system for the monitor output using the [MONITOR OUT] switch at the side of this product. (ANTSCB or APALB)

After adjusting the camera angle, set the switch to AOFFB. After changing the switch settings, press the Reset button to reboot the camera.

Connecting the audio signal output terminal (VN-V26U only)

Connect to the speakers with a built-in amplifier, etc. using mini jack (R3.5 mono) cable.

1	2		G 2	1 2	1
	AC24V	INPUT	ALARM		OUTPUT
CLASS2 ONLY FOR USA ISOLATEDPOWER ONLY FOREUROPE AND OTHER
	OUT	PoE		AUDIO OUT
	MONITOR
			10BASE-T/
SEE INSTRUCTION MANUAL			100BASE-TX
CAUTION: NEVER USE PoE AND AC 24V AT THE SAME TIME
DO NOT CONNECT TO THE TELEPHONE NETWORK					PUSH

19

Connection / Installation

Alarm Input/Output Terminal

Connection

Connect the alarm input/output terminals with external devices, such as a sensor or buzzer. Plug/Unplug the cable while pressing the button as shown in the diagram below.

Cable to use

●Shielded cable

●Length of 50 m or shorter

1

2

G 2 1 2 1

	AC24V	INPUT	OUTPUT
CLASS2 ONLY FOR USA ISOLATEDPOWER ONLY FOREUROPE AND OTHER		ALARM
	OUT	PoE
	MONITOR
		10BASE-T/
SEE INSTRUCTION MANUAL		100BASE-TX
CAUTION: NEVER USE PoE AND AC 24V AT THE SAME TIME
DO NOT CONNECT TO THE TELEPHONE NETWORK			PUSH

Push

Caution:

●Noises from an external source may cause the camera to malfunction even when the cable used is within 50 m. In this case, move the cable away from the noise source.

Alarm Input Terminal

Connect this terminal to sensor devices, such as an infrared sensor, door sensor, metal sensor or manual switch.

Input requirements

●No-voltage relay NPN open collector input

●Polarity of input detection can be selected using a software

●Make/Break (500 ms and above)

●Circuit current at low level: 1 mA

●Applied voltage at high level: 3.3 V

VN-V25U/26U				Sensor Example
DC3.3 V	INPUT 1 or			(1)
				VCC
R	2 Terminal
			OUT	R
	3.3 V	1 mA
	G Terminal		GND
(Alarm Input Equivalent Circuit)				Sensor Example
				(2)
				Relay Switch, etc.

OUT

GND

Alarm Output Terminal

Connect this terminal to annunciating devices, such as annunciators, indicators, lights, or buzzers.

Output requirements

●Equivalent to NPN open collector output (Set the output logic using the Internet Explorer)

●Allowable applied voltage: DC12 V and below

●Allowable inflow current: 50 mA

●Momentary (100 ms - 5000 ms) output (Set time using the Internet Explorer (A Page 52))

			Annunciating
VN-V25U/26U			Device Example
OUTPUT 1			DC 12 V
or 2 Terminal		IN	R
G Terminal	GND
(Alarm Output Equivalent Circuit)

Caution:

●Connect the G terminal of this camera to the GND terminal of the annunciating device or alarm input sensor.

20

Mounting the Camera

Use the screw hole on the camera mounting bracket to mount this camera to a fixer or rotating platform.

	Camera
	Mounting	Camera Mounting
	Screw Hole
		Bracket Fastening Screw
	1/4-20UNC
		(2 pcs: M2.6 x 6 mm)

Mounting the camera mounting bracket on the top of the camera

Camera

Mounting

Bracket

		Caution:
		● When mounting the camera, use screws with
		a length between 5 mm to 7 mm from the
		mounting surface. Screws beyond the
Anti-rotation Hole	Camera	specified length may damage the interior,
	Mounting	while those shorter than specified may cause
	Bracket	the camera to fall off, and therefore these
		must not be used.
	Fall
	Prevention
	Wire
		1/4-20UNC
		5 mm and
		above
		7 mm and
	M3x6 mm	below
	(15/64 inch)
	6 mm
		Caution:
	2 mm and below	● The camera mounting bracket is mounted on
		the bottom surface of the camera by default.

To mount it to the top surface, do so by removing the two fastening screws from the camera mounting bracket. Make sure to fasten the screws firmly.

21

Connection / Installation

Warning

●Special attention is required when mounting the camera to a wall or ceiling. Users should get professional contractors to perform mounting operations instead of doing it themselves. Failure to do so may cause the camera to fall off and result in injuries or accidents.

●When mounting the camera to a fixer or rotating platform, ensure that the camera is firmly mounted by using the anti-rotation holes to prevent it from falling off.

●To prevent the camera from falling off, ensure that it is connected to a firm place (ceiling slab or channel) using a fall prevention wire.

●Pay also careful attention to the length, strength, wiring, and material (insulating properties) of the fall prevention wire to be used. The length used should be as short as possible within the permissible range of the mounting length. The wire should be strong enough to withstand the total weight of this product and the fixer. (Pay also attention to the finishing at the end of the wire.)

●Mount the fall prevention wire using the black screw at the rear of the camera unit.

●Designated screw for fastening of fall prevention wire (M3 x 6 mm): Screws beyond the specified length must not be used as doing so may damage the interior.

Mounting to the Housing Using the Inner Tripod Base

This product comes with an inner tripod base at the bottom surface. You can use the inner tripod base by removing the camera mounting bracket that is attached to the bottom surface. Mount this product to the miniature housing using the screw hole of the inner tripod base.

Inner Tripod Base

Camera Mounting

Bracket

Remove the screws for the bracket (2 pcs)

Bottom Surface

Inner Tripod Base Screw Hole (1/4-20UNC)

22

Inner Tripod Base Mounting Screw

Make use of 1/4-20UNC screw. The length of the mounting screw shall be between 6 mm to 7 mm from the mounting surface.

Caution:

●Using a screw with a length longer than specified may damage the internal parts of the camera, while using a length shorter than specified may cause the camera to fall off. Use a washer to adjust the length from the mounting surface.

Max. 7 mm (17/64 inch)

Mounting Plate Min. 6 mm (15/64 inch)

Washer

Back Focus Adjustment

The CS mount is adjusted to the widest point of the applicable range by default. When using the zoom lens or C mount lens, or when the lens remains out of focus upon using the focus ring, readjustment is required.

●Follow the method below when necessary to adjust the back focus.

●In order to adjust the back focus accurately, do so according to the steps below upon opening the lens iris using the iris adjustment and ND filter.

(ND filter is a filter that is used to evenly reduce the amount of light entering the lens at all wavelengths.)

●Connect a video monitor to the [MONITOR OUT] terminal at the rear of the unit, followed by adjusting as follows.

Back Focus Adjustment Ring

Tighten

Loosen

Back Focus Fastening

Screw (M2.6)

Lens Focus Ring

Fixed focus lens

Adjust when the lens cannot be brought into focus using the focus ring.

1.Loosen the back focus fastening screw by using a Phillips screwdriver and turning it in the anti-clockwise direction

2.Shoot the object or a fine pattern that is farther away than the object

3.Set the focus ring of the lens to ∞

4.Turn the back focus adjustment ring to obtain a sharp focus

5.Tighten the back focus fastening screw by turning it in the clockwise direction, and ensure that it is securely fastened

Zoom lens

Perform the zooming operation (Tele - Wide) and adjust accordingly if it is out of focus.

1.Loosen the back focus fastening screw by using a screwdriver and turning it in the anticlockwise direction

2.Shoot the object or a fine pattern that is farther away than the object

3.Set the zoom lens to Tele and turn the lens focus ring to adjust the focus

4.Set the zoom lens to Wide and turn the back focus adjustment ring to adjust the focus

5.Repeat Steps 3. and 4. for two to three times

6.Tighten the back focus fastening screw by turning it in the clockwise direction, and ensure that it is securely fastened

23

Connection / Installation

Network Requirements

●Ensure that there is sufficient network bandwidth for the data volume to be sent out by VN-V25U/26U. Do not send multicast stream that exceeds the bandwidth. If the entire bandwidth is used by the multicast stream, control of this camera via the network may fail.

●Data volume to be sent by VN-V25U/26U varies with the settings and number of distributions.

●The maximum bit rate for transmission is about 20 Mbps.

Estimation of Total Bit Rate

The total JPEG bit rate from VN-V25U/26U is determined by the VN-V25U/26U settings, number of clients, and the client’s requested number of frames. The total MPEG4 bit rate from VN-V25U/26U is determined by the number of distributions. Develop a design upon taking the above into consideration.

Bit Rate of JPEG Stream

The JPEG file size per frame varies with the encoding settings as well as input video signals. The following table may be used as a reference. When VFS is selected, the quantization table during JPEG encoding will be maintained, and the file size will increase/decrease according to the input signals. When AFS is selected, encoding will be performed such that the target file size is the average size of multiple JPEG images.

	Picture Quality		VGA File	QVGA File
	Control Method		Size	Size
	VFS	1 (High)	80 KB	27 KB
	(Variable
		2	60 KB	20 KB
	File Size)
		3	40 KB	13 KB
		4 (Medium)	30 KB	10 KB
		5	25 KB	8 KB
		6	20 KB	7 KB
		7 (Low)	15 KB	5 KB
	AFS		Selectable	Selectable
			between	between
	(Average File Size)		10 KB -	3 KB -
			100 KB	33 KB

The maximum number of distributions varies with the bit rate settings as well as the client’s requested frame rate. Up to 20 streams can be distributed (including multicast). The total frame rate refers to the sum of these frame rates.

For example, when 10 fps is requested by two clients, and in addition, multicast is transmitted at a rate of 10 fps, the total frame rate will be:

10 + 10 + 10 = 30 fps

If the JPEG file size per frame is 30 KB, then the total bit rate will be:

30 KB x 30 fps = 900 KB/s = Approx. 7.2 Mbps

Bit Rate of MPEG4 Stream

You can select either the Variable Bit Rate (VBR) or Constant Bit Rate (CBR) system for MPEG4 stream.

When the VBR system is selected, the bit rate varies according to the condition of the input video signals. The VBR system delivers a stable picture quality, but forecast of the bit rate is difficult. When the CBR system is selected, encoding is performed at a fixed bit rate regardless of the condition of the input video signals. The picture quality varies under the CBR system, but the bit rate can be easily forecast.

You can specify an estimated bit rate for both VBR and CBR. (64 kbps - 8000 kbps)

Bit Rate of Audio (VN-V26U only)

Up to 2 audio data streams can be sent by VNV26U.

Only 1 audio data stream can be recieved. Data volume for 1 audio stream is 64 kbps. Audio data volume may be calculated using the following formula.

64 kbps x no. of streams

The number of streams is the total number of streams sent via TCP (number of clients), streams sent via multicast, and stream received by VN-V26U.

(Example)

When VN-V26U sends out 2 audio streams and receives 1 audio stream, data volume will be as follows.

64 kbps x 3 = 192 kbps

24

Restrictions on the Number of Distributions for VN-V25U/26U

The maximum number of distributions for VN-V25U/26U is determined by the settings as well as requirements from the client.

When only JPEG images are distributed, the maximum number of distributions is determined based on the highest bit rate within the stream. When a distribution request that exceeds the maximum number of distributions is received, this request is denied. For example, if Client A requests for and receives data at 1 Mbps, while Client B requests for and receives data at

5 Mbps, the maximum number of distributions is

4 streams according to the table below.

Maximum number of distributions when only JPEG data is distributed

Distribution	Maximum	Total
at maximum	number of	maximum bit
bit rate	distributions	rate
1 Mbps and	20	20 Mbps
below
5 Mbps and	4	20 Mbps
below
10 Mbps and	2	20 Mbps
below
Larger than	1	Maximum
10 Mbps		configurable
		value
		(24 Mbps)

When only MPEG4 images are distributed, the maximum number of distributions is determined by the preset bit rate. When a distribution request that exceeds the maximum number of distributions is received, this request is denied.

When distributing only MPEG4 data

	Preset bit	Maximum	Total
		number of	maximum bit
	rate
		distributions	rate
	0.6 Mbps	20	12 Mbps
	and below
	3 Mbps and	4	12 Mbps
	below
	6 Mbps and	2	12 Mbps
	below
	Larger than	1	Maximum
	6 Mbps		configurable
			value (8
			Mbps)

When both JPEG and MPEG4 images are distributed simultaneously, distribution up to two clients for JPEG and MPEG4 respectively is possible. However, distribution requests that exceed a total bit rate of 20 Mbps will be denied.

	Maximum	Maximum
Total bit	number of	number of
rate	distributions	distributions
	for JPEG	for MPEG4
20 Mbps and	2	2
below

Insufficient network bandwidth

When there is insufficient bandwidth, the number of JPEG frames (frame rate) that the client can acquire will decrease. Delay will also occur in the distribution of images. In the case of MPEG4, noise interference may occur and playback may fail.

There may be a longer delay or interruption in the audio.

Network Delay

When the client acquires JPEG via TCP, VN-V25U/26U will send out data while checking the ACK from the client at the same time. For networks with considerable delay, data cannot be sent out until ACK is received, and therefore the frame rate will drop. In the case of MPEG4, noise interference may occur and playback may fail.

Audio may be interrupted.

Decrease in the frame rate due to network delays can be eliminated by receiving data via multicast.

Network Jitter

When there is considerable network jitter, delay time may be prolonged and the image frame rate may drop. In the case of MPEG4, noise interference may occur and playback may fail. Audio may be interrupted.

Packet Loss

When acquiring images from VN-V25U/26U via TCP, packet loss may be recovered by TCP transmission. When there is considerable delay in the network, however, missing data may occur and the image frame rate may drop. In the case of MPEG4, noise interference may occur and playback may fail.

Audio may be interrupted.

When packet loss occurs during multicast sending from VN-V25U/26U, the image frame rate may drop. In the case of MPEG4, noise interference may occur and playback may fail. Audio may be interrupted.

25

Connection / Installation

Network Requirements (continued)

List of Protocols and Port Numbers Used by VN-V25U/26U

VN-V25U/26U uses the protocols and port numbers listed below. Ensure that these ports are allowed through the firewall when a firewall is to be installed.

Protocol/Port No.	Purpose of Use
Source
TCP/80	JPEG/MPEG4
	acquisition, Web
	Settings page, API,
	Sending/Receiving
	audio (VN-V26U
	only)
TCP/10020	(Reserved for
TCP/10021	adjustment)
TCP/10023
TCP/32040	Alarm server
Destination
TCP/20, 21	FTP
TCP/25	Mail delivery
TCP/110	POP (Mail Delivery)
TCP/User Setting No.	Sending alarm
UDP/123	SNTP
UDP/User Setting No.	Sending alarm

26

Network Settings

IP Address Settings

Setting the IP address for VN-V25U/26U

There are two methods to set the IP address for VN-V25U/26U as follows.

(A)Assigning an IP address to VN-V25U/26U from the DHCP server

(B)Assigning a static IP address to VN-V25U/ 26U

(A) Assigning an IP address from the DHCP server

●VN-V25U/26U is set to ADHCP EnableB (the DHCP client feature is on) by default. To assign an IP address from the DHCP server, connect VN-V25U/26U to LAN with DHCP server, and turn on VN-V25U/26U. Allowing the DHCP server to assign the same IP address to VN-V25U/26U every time eases access to VN-V25U/26U.

●For details on IP addresses assigned to VN-V25U/26U, consult your network administrator.

You can look up the IP address of VN-V25U/ 26U using the search tool in the supplied CD-ROM.

For details, please refer to AReadmeB file in the CD-ROM.

Caution:

●Set the DHCP server such that the same IP address is always assigned to the MAC address of VN-V25U/26U by the DHCP server. Connection may fail if the above setting is not performed.

(B) Assigning a static IP address

System configuration required for setting IP address

The default setting for VN-V25U/26U is ADHCP EnableB (DHCP client feature is turned on). Upon starting up in LAN without DHCP server, VN-V25U/26U starts running with the following IP address after time out of DHCP.

IP address	: 192.168.0.2
Subnet mask	: 255.255.255.0
Default gateway	: Nil

Note:

●To set a static IP address for VN-V25U/26U, connect VN-V25U/26U, the switching hub and the computer for setting using a straight LAN cable of Category 5 and above.

Set up the computer for setting the IP address.

●Minimum computer specifications for setting

OS	: Windows XP (Professional or
	Home Edition) (SP2)

Web browser : Internet Explorer

Version 6.0

Caution:

●When setting the IP address for VN-V25U/ 26U, do so by using a network that is made up only of VN-V25U/26U, the computer for setting and the switching hub.

●Using a hub connected to other network devices or networks via a LAN cable for setting can cause problems.

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Network Settings

IP Address Settings (continued)

IP address setting at the computer

Set the computer to an IP address that enables communication with VN-V25U/26U.

1.Click [Start]

●Select in the sequence of [Control Panel]-[Network Connection]-[Local Area].

2.The computer on which Internet Explorer is launched automatically selects the connected network

●Right-click and select [Properties].

●Check to ensure that the [Client for Microsoft Networks] and [Internet Protocol(TCP/IP)] check boxes are selected.

3.Select [Internet Protocol(TCP/IP)] and click [Properties]

4.Set the IP address

A Select [Use the following IP address].

B Specify the [IP address]. (For example, use 192.168.0.100 when VN-V25U/ 26U is in its default settings and there is no DHCP server)

Note:

Make sure that you take note of the original IP address before altering.

Caution:

Ensure that a duplicate IP address is not specified within the same network environment.

C Set [Subnet Mask] to a value that is appropriate for the setting operation. Consult the network administrator if you have any queries.

(Use 255.255.255.0 when VN-V25U/ 26U is in its default settings and there is no DHCP server)

D When a [Default Gateway] is present, make use of the corresponding IP address (e.g., 192.168.0.254).

E Click [OK].

5.Click [OK] on the ALocal Area Connection PropertiesB screen

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Changing the IP address using the Internet Explorer

1.Launch the Internet Explorer on the computer

2.When proxy settings are enabled in the Internet Explorer, follow the steps below to disable the proxy of the Internet Explorer

●Select in the order of [Tool]-[Internet Options]-[Connections]-[LAN Setting], followed by deselecting the check for [Use a proxy server for your LAN] under [Proxy Server] of the [Local Area Network (LAN) Settings] window.

Deselect the check

3. If the active script of the Internet Explorer is disabled, follow the steps below to enable it

●Select [Trusted sites] under [Tool]-[Internet Options]-[Security]. Upon doing so, the [Sites…] button directly below becomes active. Click this button and deselect the check in the displayed window, and add the following web site to the zone.

http://192.168.0.2

●Next, select [Trusted sites] under [Tool]-[Internet Options]-[Security], and press the [Custom Level] button. Select [Enable] under [Scripting]-[Alarm] of the [Security Settings] window that has been opened.

Select [Enable]

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Network Settings

IP Address Settings (continued)

Changing the IP address using the Internet Explorer (continued)

4.Launch the Internet Explorer

A Enter the following IP address into the address field.		B Click [Go].
	http://192.168.0.2

Note:

●If the proxy server settings for access to the Internet via the Internet Explorer is enabled, you may not be able to specify the IP address directly. In this case, change the proxy settings of the Internet Explorer.

●After the [Security Settings] screen appears, press the [OK] button to proceed.

5.Enter the user name and password (login as administrator)

VN-V25

A Enter the user name.

This is set to AadminB by default.

B Enter the password.

This is set to Avn-v2xB by default.

C Click [OK].

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