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Summary of Contents for W80

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Page 3: ...ensures the product is used properly as intended The Network Camera is a network device and its use should be straightforward for those who have basic network knowledge The Troubleshooting chapter in the Appendix provides remedies to the most common errors in set up and configuration You should consult this chapter first if you run into a system error The Network Camera is designed for various app...

Page 4: ... 3 Package Contents Network Camera Power adapter Camera stand Wrench Software CD ...

Page 5: ...Capabilities 13 Main Screen with Camera View 13 The Configuration 14 The camera view 14 Client Settings 15 Administrator s Capabilities 17 Fine tuning for Best Performance 17 For Best Real time Video Images 18 Only Quality Images Will Do 18 Somewhere Between Real time and Clear Images 19 Select for Motion JPEG 19 Opening Accounts for New Users 20 Protect Network Camera by Passwords 20 More Flexibl...

Page 6: ...ettings 33 General 33 HTTP 33 Streaming 34 DDNS UPnP 35 Mail FTP 37 SMTP 37 FTP 37 Video Codec Parameters 40 Image Settings 42 CCD Settings 43 Audio 44 Motion Detection 46 Application Setup 47 Weekly Schedule 47 Event Operation 47 Sequential Operation 48 Naming rule of snapshot file 49 Viewing System Log 51 Viewing System Parameters 51 Factory Default 51 Appendix 52 A Troubleshooting 52 C URL comm...

Page 7: ...vailable parameters on the server 60 Application page CGI command 70 Drive the digital output 73 Query status of the digital input 74 Query status of the digital output 75 Capture single snapshot 76 Account management 76 System logs 78 Configuration file 78 System Information 79 D Technical Specifications 81 ...

Page 8: ...he front LEDs will blink between green and red for a few times If self test passes the LEDs will shut off and the Network Camera will be on stand by and ready for software installation If self test fails the red LED will blink several times Refer to Appendix A for troubleshooting The Network Camera will first detect Ethernet If it does not connect to Ethernet the Network Camera will try WLAN Durin...

Page 9: ...ate LOW The relay switches Pin 1 and Pin 2 can be used to turn on or off an external device Consult with the dealer of the peripherals for correct installation 1 SW_COMMON OUTPUT open from SW_OPEN at initial state close with SW_OPEN when set DO to ON 2 SW_NOPEN OUTPUT Max 1A 24VDC or 0 5A 125VAC 3 DI INPUT Max 50mA 12VDC 4 DI INPUT Initial state of DI is low The Network Camera also provides the au...

Page 10: ...ra At the end of the hardware installation the Administrator must place the product software CD into the CD ROM drive of the PC running in MS Windows An auto run program will pop up If the program is not on auto run go to the root directory of the software CD and click on autorun exe Click on Software Utility item after the window contains changed click on Installation Wizard to run installation p...

Page 11: ...This program searches for product on the same LAN After searching Video Servers or Network Cameras will be located by the Installation Wizard There may be several entries shown in the window The Administrator may differentiate the Network Cameras with the serial number ...

Page 12: ...9 to 192 168 0 254 If any of the address inside this range is free the Network Camera will be assigned to this IP address and its subnet mask would be 255 255 255 0 If none of the addresses is free the Network Camera will try the range from 192 168 0 2 to 192 168 0 98 After an IP address is assigned to the camera the Activity status LED blinks The new UPnP function will always assign an IP address...

Page 13: ... 9 For more detailed usage of the Installation Wizard please refer to the user s manual of the Installation Wizard ...

Page 14: ...n the Internet security settings of the user s PC or notebook If the highest security level is set the computer may prohibit any installation and execution attempt This plug in has been registered for certificate and is used to display the video in the browser Users may click on to proceed If the web browser does not allow the user to continue to install check the Internet security option and lowe...

Page 15: ...f the Appendix Add Password to Prevent Unauthorized Access The default Administrator s password is blank and the Network Camera initially will not ask for any password The Administrator should immediately implement a new password as a matter of prudent security practice Once the Administrator s password is saved the Network Camera will ask for the user s name and password before each access The Ad...

Page 16: ...ng in the URL of the Network Camera a dialogue window pops up to request a username and password The foreground is the login window and the background shows the message if authentication fails The user may check the option box to save the password for future convenience ...

Page 17: ...Primary User s Capabilities Main Screen with Camera View The main page layout has two parts Configuration functions The camera can be configured using these user interfaces Camera View What the camera sees ...

Page 18: ...he following session for more details Configuration Only the Administrator can access camera configurations The camera view The information bar at the top of the camera view shows the assigned caption and the current date time The information bar at the bottom of the camera view shows the current streaming mode and audio transmission mode You can push toggle the talk button to talk to the remote s...

Page 19: ...obscured The HTTP protocol must be selected if the network is protected by a firewall which allows only HTTP Port 80 to be opened If there is no restriction UDP protocol is recommended Generally speaking the client s choice will be in the order of UDP HTTP After the Network Camera is connected successfully Protocol Options will indicate the selected protocol The selected protocol will be recorded ...

Page 20: ...nection will keep alive to enable you to see smooth video while Single JPEG options will let you see the video in JPEG format by client periodic update the JPEG image from server according to the Frame rate settings Talk Button Control Style For the User to determine whether to click once and talk or push to talk ...

Page 21: ...ork Camera Best performance generally equates to the fastest image refresh rate with the best video quality and at the lowest network bandwidth as possible The six factors Size Maximum frame rate Video codec type Key frame interval Fix bit rate and Fix quality on the Video Configuration page are correlative to allow for achieving the best performance possible ...

Page 22: ...network greater frame rate results in blur images Another work around is to choose Half in the Size option for better images or Halfx2 for a larger image view Video quality performance will vary somewhat due to the number of users viewing on the network even when the parameters have initially been finely tuned Performance will also suffer due to poor connectivity because of the network s burst con...

Page 23: ...age qualities are not improved select a lower bandwidth setting Select for Motion JPEG The Network Camera is a camera with dual video codec they re MPEG4 and MJPEG If MJPEG is selected the camera will transmit video data in JPEG format Therefore it requires higher bandwidth to view smooth video General speaking each normal sized JPEG image would be 3k 12k bytes depending on the selected video qual...

Page 24: ...o enable protection This password is used to identify the administrator Then add an account with user name and password for your friends in the second field The Network Camera can provide twenty accounts for your valuable customers or friends Each account identifies the access right rather than the real visitor That allows multiple visitors share the same account of different level Each account ha...

Page 25: ...web browser address Caution You may want to maintain your visitor s list in the security configuration page to block out unexpected visitors Product Demo for E business Large scale Service If the number of visitors has exceeded the limit the Network Camera can allow the overload viewers to see the snapshots in JPEG mode on the homepage These are still images and will be refreshed periodically and ...

Page 26: ... Camera up as an FTP client to upload the pictures The access to the Network Camera will be independent of the number of viewers and the picture quality will remain constant 1 Click on Configuration on the homepage 2 Click on Mail FTP in the left column ...

Page 27: ...to the correct folder 10 Prepare a homepage with the embedded image reference to the image file uploaded via FTP in advance If the web space has no FTP service An auto refresh homepage can be used to periodically poll the newest image from the Network Camera It is most efficient if using a free web space provider as the FTP service may be limiting 1 Prepare an auto refresh homepage as the followin...

Page 28: ... refreshrate if necessary script language javascript var image http 192 168 0 203 cgi bin video jpg IMAGE URL var refreshrate 5 SECONDS BETWEEN REFRESH var imgwidth 352 IMAGE WIDTH var imgheight 240 IMAGE HEIGHT function refresh document images pic src image new Date setTimeout refresh refreshrate 1000 document write img src image height imgheight width imgwidth name pic if document images window ...

Page 29: ...ither email or FTP according to user s needs Both e mail and FTP use the network settings on the Mail FTP page Refer to the definition section for detail configuration 1 Click on Configuration on the homepage 2 Click on Application in the left column 3 Check the weekdays as you need and give the period of Snapshots begin time and Snapshots end time to monitor the triggering conditions every day 4 ...

Page 30: ...to click hold and drag the window corner to resize or the title bar to move 11 Fine tune using the Sensitivity and Percentage fields to best suit the camera s environment Higher Sensitivity detects the slighter motion Higher Percentage discriminates smaller objects 12 Clicking on Save enables the activity display Green means the motion in the window is under the watermark set by the Administrator ...

Page 31: ... 27 preferred 16 Check Send snapshots by email 17 Click on Save to validate ...

Page 32: ...or may type the URL below the figure to directly enter the frame page of configuration If the Administrator also wants to set certain options through the URL read the reference appendix for details url http Network Camera setup config html Network Camera is the domain name or original IP address of the Network Camera url http Network Camera setup system vspx Network Camera is the domain name or or...

Page 33: ...PC is displayed as updated Manual Adjust the date and time according to what is entered by the Administrator Notice the format in the related fields while doing the entry Automatic Synchronize with the NTP server over the Internet whenever the Network Camera starts up It will fail if the assigned time server cannot be reached NTP server Assign the IP address or domain name of the time server Leavi...

Page 34: ...password and press to insert the new entry The new user will be displayed in the user name list There is a maximum of twenty user accounts Each user can have four privileges I O access Talk and Listen I O access Allows user to control the DO and get status of the DI Talk Allows user to talk to the server Listen Allows user to listen from the server Delete user Pull down the user list to find the u...

Page 35: ... 31 url http Network Camera setup security vspx Network Camera is the domain name or original IP address of the Network Camera ...

Page 36: ...dit User Type the new password change the privilege and press to modify the account url http Network Camera setup edituser vspx Network Camera is the domain name or original IP address of the Network Camera ...

Page 37: ...IP address assigned to the Network Camera if the IP address is forgotten or using the UPnP function provided by the Network Camera MS Windows XP provides UPnP function at My Network Place As for how to get IP address automatically please refer to the section of Software Installation General IP address This is necessary for network identification Subnet mask It is used to determine if the destinati...

Page 38: ...ttp 192 168 0 100 8080 instead of http 192 168 0 100 Streaming UDP audio channel port This can be something other than the default port 5002 in order to work with the port opened by the firewall UDP video channel port This can be something other than the default port 5003 in order to work with the port opened by the firewall url http Network Camera setup network vspx Network Camera is the domain n...

Page 39: ...he following field must be input as Password Password Key Please input the password or key to get the DDNS service Enable UPnP This turns on or off the UPnP function When UPnP is turned off the camera cannot be found through network neighbors in MS Windows XP If the UPnP network component is installed in Windows XP the hostname of the Network Camera will be shown with bracketed IP address in the N...

Page 40: ... 36 url http Network Camera setup ddnsupnp vspx Network Camera is the domain name or original IP address of the Network Camera ...

Page 41: ... email address The return email address used in the event the mails fail to send out FTP Built in FTP server port This can be other than the default Port 21 The User can change this value from 1 to 65535 After the change the external FTP client program must change the server port of connection accordingly 1st FTP server The domain name or IP address of the external FTP server The following user se...

Page 42: ... passive mode is selected the Network Camera can automatically attempt for active mode if the external FTP server does not support passive mode 2nd FTP server The domain name or IP address of the backup FTP server 2nd FTP server port The port to access the backup FTP server 2nd FTP user name Granted user name on the backup FTP server 2nd FTP password Granted password on the backup FTP server 2nd F...

Page 43: ... 39 url http Network Camera setup mailftp vspx Network Camera is the domain name or original IP address of the Network Camera ...

Page 44: ...d with the Video quality control to optimize the bandwidth utilization and video quality If the User wants to fix the bandwidth utilization regardless of the video quality choose Fix bit rate and select the desired bandwidth MPEG4 video are composed by I frames and P frames as the following sequence IPPPPPIPPPPPIPPPP Key frame interval determines how many repeated P frames will appear after one I ...

Page 45: ...lished Time stamp on video When selected the time stamp format is a Size becomes Normal or Double Text on video hh mm ss yyyy mm dd b Size becomes half hh mm ss yyyy mm dd url http Network Camera setup video vspx Network Camera is the domain name or original IP address of the Network Camera ...

Page 46: ... Contrast Hue and Saturation for video compensation Each field has eleven levels ranged from 5 to 5 The User may press Preview to fine tune the image When the image is O K press Save to set the image settings Click on Restore to recall the original settings without incorporating the changes ...

Page 47: ...is when auto iris lens is attached BLC back light compensation enable this will help to identify objects in front of light source AGC automatic gain control enable this to do MAX AGC otherwise NORMAL AGC is done Flickless enable this to fix the electronic shutter to 1 100 NTSC 1 120 PAL Both IRIS mode and IRIS level work only when auto iris lens is attached In the CCD settings window click on Prev...

Page 48: ...tion to talk to the server and broadcast your voice to all the other clients Improve audio quality in low bandwidth environment If the Network Camera works in versatile or low network bandwidth environment the User can check this option to improving audio quality by sacrificing some real time synchronization Audio source Select source from external or built in microphone Acoustic echo cancellation...

Page 49: ... 45 url http Network Camera setup audio vspx Network Camera is the domain name or original IP address of the Network Camera ...

Page 50: ...ns A green bar means the image variation is under monitoring level and a red bar means the image variation is over monitoring level When the bar goes red the detected window will also be outlined in red Going back to the homepage the monitored window is hidden but the red frame shows when motion is detected Window Name The text will show at the top of the window Sensitivity This sets the endurable...

Page 51: ...ccurs Specify how many pre event snapshot will be sent if events happen Trigger condition There are four conditions relative to the digital input and three windows for motion detection More than one condition can be selected at once Select the appropriate digital input condition that suits the characteristics of the external device high low selects level triggering via external voltage input risin...

Page 52: ... snapshots by email This selects the uploading method following the intervals set above The snapshot will be attached in the email with the subject title Periodic snapshots Send snapshots by FTP The snapshots will be uploaded to the external FTP server with the file name defined in the next option This can also be used to refresh the captured images stored in the external web server to build creat...

Page 53: ...jpg prefix _2_pre jpg prefix _3_pre jpg prefix _4_trg jpg prefix _5_pos jpg according to the sending order Email N A prefix jpg Example Periodic snapshots From http 192 168 1 53 prefix jpg 2005 01 07 17 59 45 Note Network Camera prefix _1_pre jpg prefix _2_pre jpg prefix _3_pre jpg prefix _4_trg jpg prefix _5_pos jpg Example Event snapshots Motion detected From http 192 168 1 53 prefix _1_pre jpg ...

Page 54: ... 50 url http Network Camera setup app vspx Network Camera is the domain name or original IP address of the Network Camera ...

Page 55: ...figuration page to view the entire system s parameter set The content is the same as those in CONFIG INI Factory Default Factory default Click on this link on the configuration page to restore factory default settings Any changes made so far will be lost and the system will be reset to the initial factory settings After clicking on the Restore button and make confirmation the system will restart a...

Page 56: ... duplex half duplex Green is flash every 0 5 sec Reset and Restore At the left side of the camera there is a button hidden in the pinhole as shown in the picture It is used to reset the system or restore the factory default settings Sometimes resetting the system sets the system back to normal state If the system problems remain after reset restore the factory settings and install again RESET Poke...

Page 57: ...t Explorer adjust the security level of Internet Explorer to allow installation of plug ins 3 If the problem still exists after adjusting and the message over the image window is showing connecting the network traffic may be too crowded 4 It there is only A shown below the image check the media options in client settings containing video Q What is the plug in for A The plug in provided by the Netw...

Page 58: ...TP mode of Network Camera If the network allows only HTTP mode disable the web filtering function of the anti virus program temporarily During this period the User should be aware of the risk of malicious network activity Q I have opened motion detection windows but it cannot work A If the motion detection windows are set up and names are given check to see if the function is checked on the first ...

Page 59: ...ytes per second and approximately 10 to 20 pictures per second from a regular environment Q How can I keep the Network Camera as private as possible A The Network Camera is designed for surveillance purposes and has many flexible interfaces The user authentication and special confirmation in installation can keep the Network Camera from unauthorized access You may also change the HTTP port to a no...

Page 60: ...ameters a text in italic within angle brackets denotes a content that is to be replaced with either a value or a string When replacing the text string also the angle brackets shall be replaced An example of this is the description of the name for the server denoted with servername in the URL syntax description below that is replaced with the string myserver in the URL syntax example also below URL...

Page 61: ...in lower case and as one word without any underscores or other separators When the CGI request includes internal camera parameters the internal parameters must be written exactly as they are named in the camera or video server The CGIs are organized in function related directories under the cgi bin directory The file extension of the CGI is required Syntax http servername cgi bin subdir subdir cgi...

Page 62: ... paramter pairs as follows Return HTTP 1 0 200 OK r n Content Type text html r n Context Length length r n r n parameter pair where parameter pair is parameter value r n parameter pair length is the actual length of content Example request IP address and it s response Request http 192 168 0 123 cgi bin admin getparam cgi network_ipaddress Response HTTP 1 0 200 OK r n Content Type text html r n Con...

Page 63: ...e to assigned Assign value to the parameter group _ name return return page Redirect to the page return page after the parameter is assigned The return page can be a full URL path or relative path according the the current path If you omit this parameter it will redirect to an empty page note The return page can be a general HTML file htm html or a video server script executable vspx file It can n...

Page 64: ...etwork ipaddress 192 168 0 123 r n Available parameters on the server NOTE The bold characters in table are the default value of each parameter Group System NAME VALUE DESCRIPTION hostname r w text string shorter than 40 characters host name of server Wireless Network Camera with Pan Tilt Zoom 0 Do not turn off the led indicator ledoff r w 1 Turn off the led indicator yyyy mm dd year month and dat...

Page 65: ...cters The version of firmware including model company and version number 0 Restore the system parameters to default value restore w Positive integer Restore the system parameters to default value and restart the server after value seconds 0 65535 Restart the server after value seconds reset w 1 Not restart the server H NC connected with COMMON do 1 4 w state L NO connected with COMMON H NC connect...

Page 66: ...er name blank userpass_ 0 20 r w text string shorter than 14 characters change user s password The UserPass_0 is root s password blank userattr_ 1 20 r w dido talk listen conf change user s privilege The privilege can be the combination of dido Permit I O access talk Permit to talk to server listen Permit to listen from server conf Permit to change server s configuration blank usercount r 1 21 The...

Page 67: ...ss blank mailuser1 r w text string shorter than 63 characters User name of primary smtp server blank mailpass1 r w text string shorter than 15 characters Password of primary smtp server blank smtp2 r w domain name or IP address string shorter than 40 characters secondary SMTP server blank mailto2 r w text string shorter than 80 characters mail recipient address blank mailuser2 r w text string shor...

Page 68: ...me or IP address string shorter than 40 characters secondary FTP server ftpport2 r w positive number less than 65535 secondary FTP port 21 ftpuser2 r w text string shorter than 63 characters user name for secondary FTP server blank ftppass2 r w text string shorter than 15 characters password for secondary FTP server blank ftpfolder2 r w text string shorter than 40 characters upload folder in secon...

Page 69: ... r w 1 fix quantization 1 lowest quality of video 2 lower quality of video 3 normal quality of video 4 higher quality of video quant r w 5 highest quality of video 64000 set bit rate to 64K bps 128000 set bit rate to 128K bps 256000 set bit rate to 256K bps 384000 set bit rate to 384K bps 512000 set bit rate to 512K bps 768000 set bit rate to 768K bps 1000000 set bit rate to 1000K bps bitrate r w ...

Page 70: ...actualmodulation r in built in CCD version only 1 PAL 1 flip image flip r w 0 normal image 1 mirror image mirror r w 0 normal image 1 Overlay time stamp on video imprinttimestamp r w 0 Do not overlay time stamp on video 1 Enable udp slow start udpslowstart 0 Disable udp slow start Group Audio NAME VALUE DESCRIPTION 8000 set bitrate to 8K bps 24000 set bitrate to 24K bps bitrate r w 32000 set bitra...

Page 71: ...ent 0 Disable enableaec r w 1 Enable Group Image NAME VALUE DESCRIPTION brightness r w 5 5 Adjust brightness of image according to mode settings 0 saturation r w 5 5 Adjust saturation of image according to mode settings 0 contrast r w 5 5 Adjust contrast of image according to mode settings 0 hue r w 5 5 Adjust hue of image according to mode settings 0 Preview Apply the parameter of image but not s...

Page 72: ...r w 1 Turn on flickless 1 100 NTSC 1 120 PAL update w 1 Update the above settings Preview Apply the parameter of image but not save Restore Restore the last saved image parameters mode w Save Directly save the adjust image parameters Group Motion NAME VALUE DESCRIPTION 0 disable motion detection enabled r w 1 enable motion detection 0 disable motion window 1 winenabled_ 1 3 r w 1 enable motion win...

Page 73: ...ty of motion detection window 0 update w 1 Update the above motion detection settings to take effect Group DDNS NAME VALUE DESCRIPTION enable r w 0 1 Enable or disable the dynamic dns 0 provider r w 1 4 dyndns org dynamic dyndns org custom tzo com dhs org 1 hostname r w Text string shorter than 127 characters Your dynamic hostname blank usernameemail r w Text string shorter than 63 characters Your...

Page 74: ...cript vssx 0 Disable script enablescript r w 1 Enable script Group Feature NAME VALUE DESCRIPTION 0 event r w 1 support motion detection dido video loss information in video bitstream Application page CGI command Note This request requires administrator privilege Method GET POST Syntax http servername setup app vspx method value sun value mon value tue value wed value thu value fri value sat value...

Page 75: ...etdo value Return HTTP 1 0 200 OK r n Content Type text plain r n Content Length length r n r n depends on method value If method get method set tue value r n wed value r n Else if method normal Application page contents parameter Value description get Get parameters if no parameter followed all the parameters value will be listed Otherwise it will list followed parameter value set Set parameters ...

Page 76: ...schedule check box eventop 0 1 Disable Enable Event operation delay 1 999 Delay seconds before detect next event prevnum 0 6 Number of pre trigger event images ssfprefix text string shorter than 60 characters Snapshot file name prefix for both event and sequential operation dihigh 0 1 Enable Disable trigger when input is high dilow 0 1 Enable Disable trigger when input is low dirise 0 1 Enable Dis...

Page 77: ... 1 Enable Disable FTP put snapshots with date and time suffix resetdo 0 1 Reset No reset DO when click save button Example Enable sequential send snapshot by every 1 second with email http myserver setup app vspx method set exclude 1 eventop 0 seqop 1 smethod mail sinter 1 Drive the digital output Note This request requires the privilege of I O access control Method GET POST Syntax http servername...

Page 78: ...redirect to an empty page Example Drive the digital output 1 to high and redirect to an empty page http myserver cgi bin setdo cgi do1 H Query status of the digital input Note This request requires the privilege of I O access control Method GET POST Syntax http servername cgi bin getdi cgi di1 di2 di3 di4 If no parameter is specified all the status of digital input will be returned Return HTTP 1 0...

Page 79: ...ery status of the digital output Note This request requires the privilege of I O access control Method GET POST Syntax http servername cgi bin getdo cgi do1 do2 do3 do4 If no parameter is specified all the status of digital output will be returned Return HTTP 1 0 200 OK r n Content Type text plain r n Content Length length r n r n do1 state r n do2 state r n do3 state r n do4 state r n where state...

Page 80: ...equire normal user privilege Method GET POST Syntax http servername cgi bin video jpg Server will return the most up to date snapshot in JPEG format The size and quality of image will be set according to the JPEG settings on the server Return HTTP 1 0 200 OK r n Content Type image jpeg r n Content Length image size r n binary JPEG image data Account management Note This request requires administra...

Page 81: ...When using this method username field is necessary and other fields are optional If not specified it will keep original settings username name The name of user to add delete or edit userpass value The password of new user to add or that of old user to modify The default value is an empty string value The privilege of user to add or to modify The privilege can be the addition of the following value...

Page 82: ...page System logs Note This request require administrator privilege Method GET POST Syntax http servername cgi bin admin syslog cgi Server will return the up to date system log Return HTTP 1 0 200 OK r n Content Type text plain r n Content Length syslog length r n r n system log information r n Configuration file Note This request requires administrator privilege Method GET POST Syntax http servern...

Page 83: ...res normal user privilege Method GET POST Syntax http servername cgi bin sysinfo cgi Server will return the system information Return HTTP 1 0 200 OK r n Content Type text plain r n Content Length system information length r n r n Model model name of server r n HostName host name of server r n Location video on text of server r n Preset 0 first preset location r n Preset 1 second preset location r...

Page 84: ... control function 0 not support 1 support Bit 1 Build in or external camera 0 external 1 build in Bit 2 Support pan operation 0 not support 1 support Bit 3 Support tilt operation 0 not support 1 support Bit 4 Support zoom operation 0 not support 1 support Bit 5 Support focus operation 0 not support 1 support ...

Page 85: ...fication 1 3 inch color CCD sensor Typical 0 5 Lux F2 0 AGC AWB AES Electronic shutter 1 60 1 50 to 1 100 000 sec Lens CS mount F2 0 f 6 0mm Audio 32Kbps 24Kbps 8Kbps Acoustic echo cancellation Full duplex audio communication Microphone Omni directional Frequency 20 20 000Hz S N ratio more than 58dB General I O 1 sensor input max 12VDC 50mA 1 relay output max 24VDC 1A 125VAC 0 5A LED indicator Dua...

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