JVC VN-C20U - Network Camera Instructions Manual Download Page 21 | Manualshive

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21

Network Settings

Setting IP address with the default VN-
C20 settings

There are 2 methods to set the IP address when
VN-C20 is in its default settings.

(A) Assigning an IP address to VN-C20 from

the DHCP server

(B) Assigning a static IP address to VN-C20

䡵

(A) Assigning an IP address from the
DHCP server

●

VN-C20 is set to

A

DHCP Enable

B

(the DHCP

client function is ON) by default. To assign an
IP address from DHCP server, connect VN-
C20 to LAN with DHCP server, and turn on
VN-C20. Allowing the DHCP server to assign
the same IP address to VN-C20 every time
eases access toVN-C20.

●

For details on IP addresses assigned to VN-
C20, please consult your network
administrator.

●

You can look up the IP address of VN-C20
using the search tool in the attached CD-
ROM. For details, please refer to the

A

Readme

B

file in the attached CD-ROM.

Caution:

●

Set the DHCP server such that the IP
address assigned to MAC address of VN-
C20 from the DHCP server is the same each
time.Connection may fail if the above setting
is not performed.

䡵

(B) Assigning a static IP address

䢇

System configuration required for setting

IP address

VN-C20 is set to

A

DHCP Enable

B

(the DHCP

client function is ON) by default. Upon starting
up in LAN without DHCP server, VN-C20 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

: None

Note:

●

To set a static IP address for VN-C20,
connect VN-C20, switching hub and
computer for setting using a straight LAN
cable of Category 5 and above.

䢇

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 V6.0

Caution:

●

When setting the IP address for VN-C20, do
so by using a network that is made up only of
VN-C20, the computer for setting and the
switching hub.

●

Using a hub connected to other network
devices can cause problems.

IP Address Settings

VN-C20_EN.book Page 21 Tuesday, February 14, 2006 10:51 AM

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Summary of Contents for VN-C20U - Network Camera

Page 1: ... Enter below the Serial No which is located on the body Retain this information for future reference Model No VN C20 Serial No Thank you for purchasing this JVC product Before operating this unit please read the instructions carefully to ensure the best possible performance ...

Page 2: ...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 Information for Users on Disposal of Old Equipment European Union This symbol indicates that the elec...

Page 3: ...DA RENSEIGNEMENT POUR CANADA This Class A digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la Class A est AVERTISSEMENT POUR EVITER LES RISQUES D INCENDIE OU D ELECTRO CUTION NE PAS EXPOSER L APPAREIL A L HUMIDITE OU A LA PLUIE Due to design modifications data given in this instruction book are subject to possible change without prior notice WARNING FOR EUROPE This is a ...

Page 4: ...duct during a lightning storm or when it is left unattended and unused for long periods of time unplug it form 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 wa...

Page 5: ...ettings 21 When the IP address of VN C20 is known 26 When the IP address of VN C20 is unknown 26 Setting Using Internet Explorer 27 Setup 27 Setting Up the Internet Explorer 27 Setting 30 JPEG View Page 30 Camera Page 32 Encoding Page 34 Alarm Page 36 Alarm Environment Page 38 Motion Detection Page 41 Basic Page 43 Details Page 45 Streaming Page 46 Access Restrictions Page 48 Time Page 50 Password...

Page 6: ...e Data transmission is possible in VGA size at a rate of 30 fps 䡵 PC Specification Requirements OS Windows XP Professional or Home Edition SP2 CPU Pentium4 1 5 GHz or higher Memory 1 GB and above Hard disk space Free space of 20 MB and above Video card 1024 768 pixels or higher True Color 24 or 32 bits Web browser Internet Explorer V6 0 䡵 LAN Environment 10BASE T 100BASE TX network interconnected ...

Page 7: ...o turn off the power before performing maintenance 䢇 Wipe using a soft cloth Wiping with thinner or benzene may dissolve 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 Copyrights in this manual 䢇 With the exception of the user being the copyright holder or when permission has been granted concernin...

Page 8: ...he interior D Fall preventive holes Mount this camera firmly using these fall preventive holes to prevent it from falling E Screw hole 1 4 20UNC Use this hole when mounting this camera to a fixer or rotating platform Use screws with a length not longer than 7 mm Screws beyond the specified length must not be used as doing so may damage the interior A Page 18 F MAC address Indicator The MAC address...

Page 9: ...s blinking when the camera is in use L VIDEO OUT Coaxial Cable Terminal This is an output terminal for composite video signals 1 V p p output impedance of 75 K Use this terminal to connect to video monitor etc A Page 16 M 10BASE T 100BASE TX 10BASE T 100BASE TX terminal Use this terminal to connect to the network using a LAN cable This product supports PoE IEEE802 3af and therefore can be used wit...

Page 10: ...arm VN C20 comes with a motion detection feature and dual alarm input During motion detection or alarm input actions such as mail delivery message transmission via TCP UDP alarm output or a combination of any of these 2 conditions may be triggered Installing an FTP server enables uploading of images before and after the alarm input time pre post recording to the server AAlarm PageB APage 36 ABuilt...

Page 11: ...uses are also possible by developing a customized application software that supports the API of VN C20 For details please refer to the API Guide in the attached CD ROM Monitoring via the computer while at the same time recording images to the HDD of PC Recording by changing the frame size frame rate during alarm occurrence Recording the type and time of alarm occurrence at the computer ...

Page 12: ... Step 4 Operation of Built in Viewer A Page 60 Setup Procedures Mount the lens and connect the power supply cable 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 monitor TV to the VIDEO OUT terminal at the rear of the unit followed by adjusting the camera angle Back focus adjustment A Page 19 Configure...

Page 13: ...wing diagram 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 and mount the camera firmly 3 When using a DC iris lens pay attention to the pin position before connecting the lens cable 4 Pin Plug Mounting the Lens Lens Flange Focu...

Page 14: ... Using the PoE Connect to a device that supports PoE and supply electricity from the LAN cable Note For details on the connection method and cable type please refer to ALAN Cable ConnectionB APage 16 Power Connection CLASS 2 ONLY For USA ISOLATED POWER ONLY For EUROPE and OTHER CAUTION Do not use PoE and AC24V together POWER VIDEO OUT 10BASE T 100BASE TX G 2 1 2 1 2 1 ALARM OUTPUT PoE INPUT AC24V ...

Page 15: ...net Explorer Upon doing so turn on the power of the second unit and configure accordingly Configure the camera settings using the same procedure Whenever duplication of IP addresses occurs disconnect VN C20 units from the LAN except 1unit Access to VN C20 may be disabled for a short period of time at least 10 minutes unless you restore the power supply of all network devices under the same LAN env...

Page 16: ... signal cable coaxial cable See below for the connection distance Reference value Caution A longer cable extension distance causes signals to be attenuated images to deteriorate and noise to increase LAN Cable Connection CLASS 2 ONLY For USA ISOLATED POWER ONLY For EUROPE and OTHER CAUTION Do not use PoE and AC24V together POWER VIDEO OUT 10BASE T 100BASE TX G 2 1 2 1 2 1 ALARM OUTPUT PoE INPUT AC...

Page 17: ...Equivalent to NPN open collector output Set the output put logic via the Internet Explorer Allowable applied voltage DC12 V and below Allowable inflow current 50 mA Momentary 100 ms to 5000 ms output Set time via the Internet Explorer A Page 38 Caution Connect the G terminal of this camera to the GND terminal of the annunciating device Alarm Input Output Terminal Connection Cable to use Length of ...

Page 18: ...l attention is required when mounting the camera to a wall or ceiling Mounting operations should not be carried out by the users but by professional contractors Failure to do so may cause the camera to fall and result in injuries and accidents When mounting the camera to a fixer or rotating platform ensure that the camera is firmly mounted by using the rotation prevention holes to prevent it from ...

Page 19: ...hillips screwdriver 2 Shoot the object or a fine pattern that is farther away than the object 3 Set the focus ring of the lens to 1 4 Turn the Back Focus adjustment ring to optimize the focus 5 Turn the Back Focus locking screw 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 t...

Page 20: ... client acquires JPEG via TCP VN C20 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 Network delay due to a drop in frame rate can be eliminated by receiving data via multicast Network Jitter When there is considerable network jitter delay time may be...

Page 21: ... IP address assigned to MAC address of VN C20 from the DHCP server is the same each time Connection may fail if the above setting is not performed 䡵 B Assigning a static IP address 䢇 System configuration required for setting IP address VN C20 is set to ADHCP EnableB the DHCP client function is ON by default Upon starting up in LAN without DHCP server VN C20 starts running with the following IP add...

Page 22: ...ck Properties 4 Set the IP address 5 Click OK on the RESERVED screen IP Address Settings continued A B C D E Click OK Set the IP address For example use 192 168 0 100 when VN C20 is in its default settings Note Make sure that you take note of the original IP address before altering Caution When setting ensure that a duplicate IP address is not used within the same network environment Set Subnet ma...

Page 23: ...al Area Network LAN Settings window 3 If the active script of the Internet Explorer is disabled follow the steps below to enable it Select Trusted sites under Tools Internet Options Security Upon doing so the Sites button directly below becomes active Click on this button and deselect the check in the displayed window Next add the following web site to the zone http 192 168 0 2 Next select Trusted...

Page 24: ... the Internet Explorer After the Security Settings screen appears press the OK button to proceed 5 Enter the user name and password login as an administrator Note After the Security Settings screen appears press the Yes button to proceed IP Address Settings continued A B Enter the IP address of the unit Factory setting http 192 168 0 2 is available when there is no DHCP server Click Go A B C Enter...

Page 25: ...ut 1 minute for the camera to reboot Note Access from this computer may fail when the IP address of VN C20 is changed To enable access to VN C20 from the same computer alter the IP address at the computer accordingly Click on Network followed by Basic on the next submenu B A C Enter the values you wish to specify in IP Address Subnet Mask and Default Gateway Click OK Set the IP Seting item to DHCP...

Page 26: ...P address of VN C20 is unknown Changing of settings by accessing via a computer is not possible when the IP address of VN C20 is unknown In this case you can obtain information on the IP address using the following method The attached CD ROM comes with a search tool Using this tool enables you to look up information within the LAN For details on the search tool please refer to the AReadmeB file in...

Page 27: ...rver of the Local Area Network LAN Settings window 3 If Active scripting of the Internet Explorer is disabled follow the steps below to enable it Click Trusted sites under Tools Internet Options Security Click on the Sites button directly below followed by deselecting the check in the displayed window Add the following web site to the zone http 192 168 0 2 Click Trusted sites under Tools Internet ...

Page 28: ...rer disable the pop up block function of these plug in tools as well Enter user name and password User name and password entry will be required at the beginning There are 3 access authorization levels to VN C20 Factory settings of the unit are as follows 䢇 Pages that users have access to Restrictions are placed on the pages that users have access to In addition links on the web pages are also disp...

Page 29: ...ons Security and select the Trusted sites icon Next press the Custom Level button followed by selecting Enable under Miscellaneous Display mixed content Caution Do not stop the power or reset VN C20 just after change of settings The change can not be saved and VN C20 can be initialized Image JPEG View Camera Encoding External Alarm Alarm Environment Motion Detection Utility Miscellaneous Status Op...

Page 30: ...e links displayed vary according to the user name For example in the case of AadminB or AoperatorB 3 links namely JPEG View Camera and Encoding will be displayed upon clicking Image In the case of AuserB only JPEG View is displayed The diagram below shows the JPEG View page upon access using AadminB or AoperatorB The number of links decreases during access using Viewer and the AuserB button is not...

Page 31: ...ay not be displayed on the JPEG View page of the web browser For such systems check the JPEG images using the built in viewer The built in viewer is able to cross the firewall port translation B Viewer This is displayed upon access to the JPEG View page using AadminB or AoperatorB Click this button to display the ASecurity SettingsB screen etc Press the OK button to launch the built in viewer Do n...

Page 32: ...the OK button to enable the new settings upon changing If the OK button is pressed upon entering an invalid value a warning message will appear and the entry will be denied Press the Cancel button to restore the invalid entry to the current value To restore the setting of this page to the factory setting press Initialize button Setting continued J I H G D E C B A F ...

Page 33: ...nB Set to AautoB only when using a manual iris lens Setting to AautoB while using a DC iris lens may cause flickers Setting values auto 1 60 1 100 1 250 1 500 1 1000 1 2000 1 4000 1 10000 F Back Light Compensation For turning On Off the Back Light Compensation feature Set this to AOnB when there is a bright light source at the background of the object This can be set to AOnB only when the AGC item...

Page 34: ...he OK button to enable the new settings upon changing If the OK button is pressed upon entering an invalid value a warning message will appear and the entry will be denied Press the Cancel button to restore the invalid entry to the current value When settings on this page is altered during playback using the built in viewer reboot the viewer Setting continued A B C D E ...

Page 35: ...cifying the number of frames to encode per second VN C20 is limited in its processing capacity and the specified frame rate may not be realized depending on the settings of Frame Size and Quality Size In particular when the specified target file size is large the upper limit of the frame rate drops An example of settings for which a total frame rate of 30 fps can be realized is as follows Frame Si...

Page 36: ...on to enable the new settings upon changing Only items that are valid under the selected action will be saved When Disable is selected for the action all setting items will be restored to their default values If the OK button is pressed upon entering an invalid value a warning message will appear and the entry will be denied Press the Cancel button to restore the invalid entry to the current value...

Page 37: ...te field to the destinations specified in TCP UDP IP Address and TCP UDP Port Number via UDP TCP UDP Date Input of up to 127 alphanumeric characters Output 1 Make Change Alarm Output 1 to Make Output 2 Make Change Alarm Output 2 to Make Output 1 Break Change Alarm Output 1 to Break Output 2 Break Change Alarm Output 2 to Break Set the alarm output time in the Alarm Output Duration field B 1st Trig...

Page 38: ...be used during access using AadminB or AoperatorB Press the OK button to enable the new settings upon changing If the OK button is pressed upon entering an invalid value a warning message will appear and the entry will be denied Press the Cancel button to restore the invalid value to the current value Setting continued C B A ...

Page 39: ...ts of seconds under Periodic FTP Interval Select a type from the two types of regular FTP file names When Automatic is selected images are generated from the year month day hour minute second and number Example 20051114161032 001 2 jpg When Custom is selected images are generated from the user defined character string year month day hour minute second and number Example Camera1_20051114161032001 j...

Page 40: ...A0B pressing the Make buttons switches the alarm to Make output while pressing the Break buttons switches the alarm to Break output When Output Duration is set to a value other than A0B pressing the Make buttons switches the alarm to Make output only during the duration of the output upon which it switches to Break output When the output duration is set to a value other than A0B pressing the Break...

Page 41: ...41 Motion Detection Page Page for setting motion detection The area valid for motion detection is displayed in blue The area where motion is detected is displayed in red A B C D E F ...

Page 42: ...to mask each block All blocks are masked in the default setting The block turns blue when it is clicked indicating that it is unmasked Click again to return to the masked state Press the OK button to enable this setting Use the Mask All button to mask all blocks Use the Clear Mask button to unmask all blocks B Detection For setting motion detection to On Off Press the OK button to enable this sett...

Page 43: ...on entering an invalid value a warning message will appear and the entry will be denied Press the Cancel button to restore the invalid entry to the current value When settings of the Basic page is changed all services that are currently running will end immediately For example when changes are made to the Basic page during JPEG distribution distribution will be discontinued and TCP will be disconn...

Page 44: ...Page 21 for the IP address B IP Address For setting the IP address of VN C20 C Subnet Mask For setting the subnet mask of VN C20 D Default Gateway For setting the default gateway of VN C20 Set as 0 0 0 0 when a default gateway is not set E Host Name For setting the host name of VN C20 Specify name using alphanumeric characters hyphen or period Underscores _ cannot be used F Domain Name For setting...

Page 45: ...be set The lower 2 bits are A0B For example when setting to A255B the lower 2 bits are converted to A0B then to A252B TOS values are used in networks that support QoS Network By setting QoS to the switch routing can be done using packet with bigger TOS value as first priority B TTL Unicast For setting the TTL value of JPEG packets that are to be sent via TCP C TTL Multicast For setting the TTL val...

Page 46: ...an be used during access using AadminB Press the OK button to enable the new settings upon changing If the OK button is pressed upon entering an invalid value a warning message will appear and the entry will be denied Press the Cancel button to restore the invalid entry to the current value Setting continued A B C D ...

Page 47: ...xist ensure that they are set to a different multicast address C Destination Port For specifying the destination port number Set to an even number for RTP compliance Odd numbers cannot be used When other devices that make use of multicast transmission exist it is recommended that they are set to a different port number Multiple multicast streams cannot be received on 1 computer when there are dupl...

Page 48: ...on to enable the new settings upon changing If the OK button is pressed upon entering an invalid value a warning message will appear and the entry will be denied Press the Cancel button to restore the invalid entry to the current value This feature is targeted at JPEG acquisition It does not impose restrictions on access via a web browser or use of API Setting continued A ...

Page 49: ...t mask A Destination Address Restrictions may be imposed on clients accessing VN C20 using the IP address Access Restriction When AdenyB is selected acquisition of JPEG via the IP address specified for the IP Address item will be denied However restrictions are not imposed on access to the Web Setting page When AallowB is selected acquisition of JPEG via the IP address specified for the IP Address...

Page 50: ...when this is enabled In addition time will be recorded in the JPEG headers distributed by VN C20 Discontinuity in JPEG headerís time may occur immediately before and after acquiring time from the NTP server B NTP Server For setting the IP address of the NTP server Install an NTP server and not an SNTP server C Access Interval For setting the time interval for access to the NTP server D Time Displa...

Page 51: ...s Be sure to handle the password carefully in case you forget it In the event that you forget the password please consult JVC s servicing center B C A A Username Select a user name B New Password Enter a new password Passwords shall be at least 4 characters and not more than 16 characters VN C20 is case sensitive C New Password Again Enter again to confirm the new password ...

Page 52: ...all others services that are running will be discontinued B Update Upgrades the firmware version of VN C20 and reboots the unit The VN C20 settings will be saved Copy the new firmware file to the computer on which Internet Explorer is used and specify this file using the Browse button Press the Update button to start upgrading the version JPEG transmission and all others services that are running ...

Page 53: ...ry Settings Action Disable 1st Trigger Input 1 Make Max Interval 2nd Trigger Disable Mail Address Mail Text Attach Image Off TCP UDP IP Address TCP UDP Port Number TCP UDP Date Alarm Output Duration Item Factory Settings SMTP Server 0 0 0 0 Port Number 25 POP before SMTP Off POP Server 0 0 0 0 Port Number 110 Username Password FTP Server 0 0 0 0 Directory Username Password Periodic FTP off Periodi...

Page 54: ...me Domain Name DNS Server 0 0 0 0 MAC Address Item Factory Settings TOS DS field 0 TTL Unicast 64 TTL Multicast 32 MTU 1500 Negotiation Auto Item Factory Settings Destination Address 225 0 1 1 Destination Port 49152 Frame Rate 15 fps Item Factory Settings Access Restriction deny IP Address Item Factory Settings NTP Off NTP Server 0 0 0 0 Access Interval hour 1 Time Zone GMT UTC Item Factory Settin...

Page 55: ...us Page This page is for acquiring information This page can be used during access using AadminB AoperatorB and AuserB A A Open Source Software Press the Show button to display the software information used at VN C20 ...

Page 56: ...sing AadminB or AoperatorB Setting continued A B C A Total Sending Bitrate Displays the total TCP UDP bit rate sent by VN C20 as well as the individual bit rates B Destination Displays the destination that VN C20 is sending data to C System Log Displays the following information Number of seconds after startup Alarm information ...

Page 57: ...57 Settings Page This page displays the version information and settings of VN C20 This page can be used during access using AadminB or AoperatorB ...

Page 58: ...58 Setting Using Internet Explorer Settings Page continued Setting continued ...

Page 59: ...59 ...

Page 60: ...nd receiving of alarm information Setting Up the Internet Explorer A Page 61 Installing the built in viewer A Page 63 Screen Configuration of Built in Viewer A Page 64 Built in Viewer Settings A Page 66 Quitting the Built in Viewer A Page 69 Shortcut for Built in Viewer A Page 70 Operation of Built in Viewer ...

Page 61: ... in the Internet Explorer follow the steps below to disable the proxy of the Internet Explorer Select in the order of Tools Internet Options Connections LAN Setting followed by deselecting the check for AUse a proxy server for your LANB in Proxy Server of the Local Area Network LAN Settings window Deselect the check ...

Page 62: ... all the items in Active X controls and piug ins to Enable 4 If the pop up block function of the Internet Explorer is enabled follow the steps below to disable it T The built in viewer cannot be used when the pop up block function is enabled Selecting Tools Pop up Blocker Turn Off Pop up Blocker permits all sites To allow only specific sites such as VN C20 select Tools Pop up Blocker Turn On Pop u...

Page 63: ...2 168 0 2 cgi bin c20viewing cgi 2 Enter the user name and password v 3 The viewer is installed and launched A B http 192 168 0 2 cgi bin c20viewing cgi Enter the URL in the built in viewer of this camera The default URL is http 192 168 0 2 cgi bin c20viewing cgi Click Go A B C Enter the user name This is set to AadminB by default Click OK Enter the password This is set to Avn c20B by default ...

Page 64: ...64 Operation Screen Configuration of Built in Viewer VN C20 is set to encode at 15 fps by default Operation of Built in Viewer continued A B C D E ...

Page 65: ...es captured will be stored as a JPEG file in the AC20_JPEGB directory that is created under My Document of the computer The file name is made up of the millisecond second minute hour and day month year The time denoted by the file name is based on the time at the computer and not the internal clock of VN C20 This feature is unable to capture motion images E Setup Displays the setting window of the...

Page 66: ...te during transmission via TCP and noise occurs due to losses during packet reception via multicast To use this feature with inversion set to AOnB make sure that you use a computer with adequate performance or reduce the processing load by adjusting the Encoding settings file size frame rate frame size A Page 34 B Title Select AOnB to display the camera ID The camera ID can be set either at the VN...

Page 67: ...ll increase the processing load of the computer on which the viewer is running Caution This is different from the frame rate setting at the VN C20 unit Set to a rate such that the CPU burden of the computer does not exceed 80 When the CPU is overloaded the computer may not function properly F Time Display Format Select the format for displaying time YYYY MM DD denote year month and day respectivel...

Page 68: ...t is necessary to set the alarm action for sending the notification to VN C20 via TCP Set the destination of the alarm action to the IP address of the computer that is used to operate the built in viewer and set the TCP UDP Port Number item to the same number as the J Alarm Port Number item below There is no restriction on the character string used for setting the TCP UDP Date item A Page 36 J Ala...

Page 69: ...e built in viewer launch the Internet Explorer and enter the URL of the built in viewer in the address field For example if the IP address of VN C20 is 192 168 0 2 enter as follows http 192 168 0 2 cgi bin c20viewing cgi After the ASecurity SettingsB screen appears press the OK button to proceed Click Close ...

Page 70: ...n on the Desktop screen and select Properties The setting screen appears 4 Enter the URL of the built in viewer in the URL field For example if the IP address of VN C20 is 192 168 0 2 enter as follows http 192 168 0 2 cgi bin c20viewing cgi 5 Click the OK button to end Clicking on the shortcut created will help to save you the trouble of having to enter the URL in the Internet Explorer Note Before...

Page 71: ...ected depends on the setting of the AntiVirus software In such case change the setting of the AntiVirus software and then install the built in viewer A Page 61 Authentication by Verisign appears during installation of the built in viewer Verisign s electronic signature is stored in the built in viewer For computers with a network environment that is connected to the Internet the authenticity of th...

Page 72: ...isplayed image is low Check the settings on the Encoding page of the VN C20 unit Check the built in viewer settings as well when a built in viewer is in use Frame rate will be constrained when the network bandwidth is narrow A Page 34 A Page 66 A white zone appears in the built in viewer For some computers a part of the Internet Explorer graphics may not appear and is left white when the following...

Page 73: ...iant with IEEE802 3 IEEE802 3u and IEEE802 3af Communication protocol TCP IP UDP HTTP FTP ICMP ARP RTP DHCP NTP SMTP IGMP General Alarm input No voltage a contact input NPN open collector input low level latch momentary 500 ms and above Circuit current during low level 0 3 mA Applied voltage during high level 3 3 V Alarm output NPN open collector output Allowable applied voltage 12 V Allowable inf...

Page 74: ...4 Others Dimension Unit mm T Specifications and appearance of this product are subject to changes for improvement without prior notice MAC addres s BF LOCK U1 32 71 70 35 55 42 64 5 138 148 1 4 20UNC 41 ...

Page 75: ...75 ...

Page 76: ... 2006 Victor Company of Japan Limited LST0329 001A VN C20 BOX TYPE NETWORK CAMERA ...

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