background image

Progressive output (High quality IP conversion)

JVC’s IP conversion technology interpolates interlace video images to improve the
quality equivalent to progressive images.

1/3 type IT CCD with 380,000 effective pixels

The high-resolution 1/3 type Interline Transfer CCD with 380,000 effective pixels
reproduces superbly detailed images in true color.

Full frame rate Motion-JPEG (VGA) 

Produces high-quality images in the Motion-JPEG format with resolution of up to 
640 x 480 pixels and a maximum frame rate of 30 fps.   

Easy installation with PoE 
(Power over Ethernet)

Simply connect with a LAN cable on the
Ethernet network and the camera is activated
and can be controlled via connected PCs.

*PoE enabled switch or power injector is required for PoE operation.

Motion detection function 

Alarms can be activated based on motion within a defined area. Motion detection
can also start video recording on a connected computer.

Easy day/night function 

Provides higher sensitivity under low illumination. When the Easy day/night is set to
ON, minimum illumination is 0.4lx F1.2 (25IRE).

Other Features

F e a t u r e s

Built-in Web server  

Multicasting capability  

FTP client/server function

Alarm input x 2 / output x 2   

10Base-T/100Base-TX/FULL/HALF/
auto negotiation 

Compatible with JVC free software "VN-RS800U"

By installing the VN-C20U’s built-in viewer on your
PC, streaming camera images can be monitored
with the Internet Explorer. Snapshot recording,
alarm signal reception, and various settings are also
possible with the viewer.

Notes:

• The VN-C20U’s built-in viewer does not have a recording function.

Viewing

Initial setup is easily achieved by Internet Explorer. Various operating 
parameters can be similarly adjusted.

Enhanced Interface

DISTRIBUTED BY

Printed in Japan

VEC-0317B VNC20UKN0703

“JVC” is the trademark or registered trademark of Victor Company of Japan, Limited.

JQA-0288

All brand or product names may be trademarks and/or registered trademarks of their respective owners.  Copyright © 2006, Victor Company of Japan, Limited.  All Rights Reserved.  

Design and specifications subject to change without notice.

Easy-to-Use, Reliable Monitoring System with 
Quick Installation and Built-in Multi-Function Viewer

BF LOCK

MAC adress

U1-32

70 (2.76)

42 (1.65)

71 (2.8)

64.5 (2.54)

55 (2.17)

35 (1.38)

1/4 20UNC

148 (5.83)
138 (5.43)

41 (1.61)

1

Dimensions

Specifications

Camera

Image device

1/3 type IT CCD

Number of effective pixels

380,000 (768H x 494V)

Minimum illumination (typical)

Color mode:

2.5 lx, F1.2, AGC on, 50 IRE (50% video)
1.0 lx, F1.2, AGC on, 25 IRE (25% video)

B&W mode:

1.0 lx, F1.2, AGC on, 50 IRE (50% video), Easy day/night on
0.4 lx, F1.2, AGC on, 25 IRE (25% video), Easy day/night on

S/N ratio (typical)

50 dB, AGC off

Horizontal resolution (typical)

480 TV lines (analog video out), 400 TV lines (network)

Lens mount

C/CS

White balance

ATW/Manual

Easy day/night

Yes (on/off)

Video/Encode

Video output

Composite video signal (NTSC): 1.0 V(p-p), 75 ohms (BNC)

Video compression

JPEG (7 level compression)

Image size

VGA/QVGA

Frame rate (max.)

VGA 30 fps

<requirement>

<30 KByte, Motion detection off>

Motion detection

Yes

Constant bit rate

Yes

Pre/Post alarm buffer

Yes (8 MB)

General

Alarms

Input x 2, Output x 2

Power supply

PoE (Power over Ethernet, IEEE802.3af compliant) /AC 24 V

Power consumption

0.5 A (max.)

Operating temperature (recommended)

°C

to 40 

°C

(32 °F to 104 °F)

Dimensions (W x H x D)

70 mm x 55 mm x 138 mm (2-7/8” x 2-5/8” x 5-7/8”)

Weight

560 g (1.24 lbs.)

Network

Network interface

RJ-45, 10Base-T/100Base-TX auto negotiation

LAN

IEEE802.3/IEEE802.3u/IEEE802.3af

Protocol

TCP/IP, UDP/IP, HTTP, FTP, ICMP, ARP, DHCP, NTP, SMTP, DSCP 

IP filter (deny/allow access from specified IP)

Yes

Access protection

3 level passwords

Multicast

Yes

System Requirement (recommended)

OS

Windows

®

XP Pro (SP2)/Home (SP2)

Web browser

Internet Explorer ver. 6.0

CPU

Pentium

®

4, 1.5 GHz

Memory

1 GB

HDD space

20 MB

Display/video card

1,024 x 768 pixels, True color (24-bit or 32-bit) VRAM 256 MB

VN-C20U

LAN cable (Cat 5)

PC

Switch

Camera setting

Settings for camera ID, iris, AGC,
white balance, Easy day/night, etc.

Encoding setting

Settings for frame size, picture
quality, frame rate, etc.

Alarm setting

Settings for up to 5 actions when
there is an alarm.

Built-in viewer

Back focus adjustment ring

2

Back focus locking screw

3

AC24V power terminal 

4

Alarm in/out terminal

5

Power indicator

6

Coaxial cable terminal

7

10Base-T/100Base-TX 
terminal

1

3

2

4

5

6

7

Controls, conectors and indicators

Unit: mm (inch)

Shown with optional lens

IEEE 802.3af compliant switch

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