CP Plus Indigo JRC-27F User Manual Download

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Button

Function

Button

Function

Play/Pause

Play Backward

Stop

Slow Playback

Reverse Fast

Fast Playback

Previous Frame

Next Frame

Previous File

Next File

Repeat Playback

Full Screen

Start Video Clipping

End Video Clipping

Download

Note:

Play under frame by frame, the playback status should be paused firstly.

【

Operation tips

】

show function of the key that cursor placed.

Special functions

：

Local zoom

: When the system is in single-window full-screen playback mode, you can drag your

mouse in the screen to select a section and then left click mouse to realize local zoom. You can right
click mouse to exit.

4.3.2.

Backup

By setting the backup device video file to an external storage device. Backup interface is shown as in

Figure 4.50

Note:

Before backup files, you need to install the files stored to accommodate storage devices.

Backup is terminated; it has been copied to a storage device files can be played back independently.

Backup middle is terminated, has been copied to a storage device files can be played back
independently.

Summary of Contents for Indigo JRC-27F

Page 1: ...DVR WITHOUT HDD User s Manual Version 1 01...

Page 2: ...ase read this instruction manual carefully and retain it for future reference As shown below precautions are divided into WARNING and CAUTION in two parts WARNING ignoring warnings could result in dea...

Page 3: ...rly ventilated location or near a heat source such as a heater or heating etc ignore this may cause a fire hazard In order to avoid damage to the camera do not have the camera set up in smoke or Steam...

Page 4: ...y type of alarm input 6 2 7 6 Alarm Input Port Description 7 2 7 7 Alarm Output Port Description 8 2 7 8 Alarm output Relay terminal parameters 8 2 7 9 Connect Line 485 9 2 8 Other Interface 9 3 Basic...

Page 5: ...4 1 Schedule 54 4 1 4 2 HDD Manage 55 4 1 5 System 56 4 1 5 1 General 56 4 1 5 2 PTZ Config 57 4 1 5 3 Auto Maintenance 58 4 1 5 4 Default 58 4 1 5 5 Import Export 59 4 2 Information 60 4 2 1 Info 60...

Page 6: ...9 3 1 2 Video Loss 102 5 9 3 1 3 Tampering 105 5 9 3 2 Abnormality 107 5 9 3 2 1 HDD Error 107 5 9 3 2 2 Network Error 109 5 9 4 Storage 109 5 9 4 1 Schedule 109 5 9 4 2 HDD Manager 112 5 9 5 System 1...

Page 7: ...urban roads airports railway stations and other surveillance applications 1 2 Main Functions Real time surveillance Spot interface Analog interface VGA interface and HDMI interface surveillance functi...

Page 8: ...calable keyboard connection to the master and connected to the computer serial port for system maintenance and upgrades and matrix control With standard Ethernet interfaces network remote access featu...

Page 9: ...s loose Front panel and rear panel Various interfaces on the front panel and the rear panel of the various key functions are described in detail in the specification Please check carefully whether the...

Page 10: ...wire cover the machine fix the cover 2 3 Shelf installation This product chassis specification is standard 1u so it can be installed in the standard shelf Installation steps and attention items Make s...

Page 11: ...d avoid high voltage current string into Lugs ensure good contact Signal and shield lines should be firm well connected avoid Weld lap welding to avoid oxidation 2 4 2 Select and Connect the Video Out...

Page 12: ...ss the DVR WITHOUT HDD or DVR WITHOUT HDD and other devices need to be isolated by relay 2 5 2 Alarm Output DVR WITHOUT HDD alarm output cannot be connected power load no more than 1A should constitut...

Page 13: ...put ground alarm output RS485 RS232 Parameters Meaning G GND R T Send and receive serial interface A B 485 communication interface 2 5 6 Alarm Input Port Description Please refer to the following shee...

Page 14: ...er T T R R are four wire double duplex RS485 port T T Output wire R R Input Wire 2 5 8 Alarm output Relay terminal parameters Model JRC 27F Shock material Silver Ratings Resistive load Rated switching...

Page 15: ...ch camera you must enable the PTZ settings first This series DVR WITHOUT HDD support multiple protocols such as Pelco D Pelco P To connect PTZ devices to the DVR WITHOUT HDD Connect RS485 A B on the D...

Page 16: ...ination Auto resume after power failure If the DVR WITHOUT HDD is shut down abnormally it can automatically backup video and resume previous working status after power failure Replace the hard disk Be...

Page 17: ...d protection If the password is continuous wrong three times the alarm will start If the password is continuous wrong five times the account will be locked See in Figure 3 2 Through Reboot or after ha...

Page 18: ...ored default setup See Please input a password and then input again to set a password See in Figure 3 3 Figure 3 3 You can set security questions here to reset the password in case you forgot System s...

Page 19: ...igure 3 5 Figure 3 5 3 4 2 Reset Password Once you forgot password you can answer the security questions you set in chapter 3 4 1 to reset the password In login interface click See Figure 3 6 Figure 3...

Page 20: ...k the box Startup button here system goes to startup wizard again when it boots up the next time Cancel the Startup button system goes to the login interface directly when it boots up the next time Fi...

Page 21: ...odify password after you first login Continuous five times login failure will result in account lock Please reboot the device or wait for 30 minutes to try again if your account has been locked After...

Page 22: ...page See Figure 3 11 Figure 3 11 Click on Next button now you will go to install mobile app See Figure 3 12 Here you will get QR code link to redirect mobile application for android and IOS base And a...

Page 23: ...on the startup wizard is complete See Figure 3 13 Figure 3 13 3 6 Preview You can right click mouse to choose the switch between the windows The system date time and channel name are shown in each vie...

Page 24: ...with left click to select a zone and then click in selected zone you can view an interface show as Figure 3 14 Figure 3 14 MIC Sound If you have connect a MIC with device and want to get the sound of...

Page 25: ...rop down menu as in Figure 3 15 The menu includes Main Menu PTZ Control Smart Add Signal Type Color Setting Output Adjust Playback Record Mode Window Split Mode and Exit Figure 3 15 3 7 1 Main Menu Se...

Page 26: ...ontrol The PTZ setup is shown as in See Figure 3 18 Here you can control PTZ Direction Speed Zoom Focus Iris Preset Tour Scan Pattern aux function Light and Wiper Rotation and Etc Note RS485 A B line...

Page 27: ...PTZ rotation 8 directions is supportive If you are using direction buttons on the front panel there are only four directions up down left right Zoom Click to adjust the zoom IN or OUT Iris Click to a...

Page 28: ...ctive location b Enter your preset no in and then click on c By above procedure you can create No of preset To Delete a Preset Procedure is as follows a Enter a preset No in which you want to delete b...

Page 29: ...add selected preset in tour It will show in Exist Preset See Figure 3 20 Figure 3 20 e To delete added preset from tour please select particular tour in Exist Preset and click on To delete a tour Pro...

Page 30: ...irable location and path c Click on button to save followed path as pattern See Figure 3 21 Figure 3 21 To delete a pattern Procedure is as follows a Enter a pattern No in which you want to delete b T...

Page 31: ...feature only goes left to right and continually scans between them it will not go from the left point to a right point that is positioned lower or higher than the initial point you set the left border...

Page 32: ...26 Figure 3 23 Flip Rotates the camera 180 Reset Resets the camera to its default point Page Switch To enter and configure PTZ camera OSD menu options See Figure 3 24 Figure 3 24...

Page 33: ...amera in network and auto add in device as per DVR WITHOUT HDD DAC mode See Figure 3 25 Figure 3 25 3 7 5 Signal Type Select signal type to get camera video according to camera signal Like AHD HDTVI a...

Page 34: ...ccording to the needs of different image parameters set in two different time periods See Figure 3 27 Figure 3 27 3 7 7 Output Adjustment Adjust output area parameters and output display interface col...

Page 35: ...n recording status See Figure 3 30 Figure 3 30 Schedule Channel records as you have set schedule time Please refer to chapter 4 1 4 1 for detailed information Manual The highest priority after manual...

Page 36: ...30 3 7 10 Exit Logout or Reboot the system You can use the desktop shortcut menu or enter Main Menu See Figure 3 31 Figure 3 31...

Page 37: ...f the secondary stream dual stream uses 1080P 1080N 720P 960H D1 HD1 CIF QCIF encoding rate of the stream all the way to high definition for local storage support all the way to low bit rate stream QC...

Page 38: ...s to 25f s It depends on channel resolution Bit Rate Type System supports two types CBR and VBR In VBR mode you can set video quality Quality There are six levels ranging from Lowest to Highest The si...

Page 39: ...HD TVI HD CVI and IPC Among all of analog channel every channel attributes mutual independence inexistence the binding relationship of any channel 4 1 1 3 Add IP Device Here you can add delete IP devi...

Page 40: ...lick it to modify IP address of Searched IP devices Note it only work with private protocol devices Delete Click it to delete existing device if the user wants to change device Select the existing dev...

Page 41: ...to add new device See Figure 4 7 Figure 4 7 Config Name Device is with default configure title user can revise it if necessary Device Type 3 types IPC DVR WITHOUT HDD And HVR User can choose as what y...

Page 42: ...you can just add the device to the network settings 4 1 1 4 Channel Status Channel status is to show the status of the entire IPC channel when there is what existing status including Max Resolution C...

Page 43: ...tal channel you can only modify the channel name of the connected network camera Figure 4 10 4 1 1 6 Channel Overlay Channel Overlay interface is shown as in Figure 4 11 Figure 4 11 Channel To select...

Page 44: ...show in dropdown list which was added through private protocol Exposure Mode To choose camera exposure as auto 0 1 millisecond 80 millisecond or manual 1 50 1 120 1 250 1 500 1 1000 1 2000 1 4000 1 10...

Page 45: ...tch video up and bottom limit This function is disabled by default Anti Flicker To enable or disable anti flicker in the fluorescent light Overturn To enable or disable overturn IR Swap To enable or d...

Page 46: ...ere only in motion detection settings and only analog channels can set its sensitivity of mixed mode full analog mode Region Click setup enter the settings area is divided into 16X12 blocks red area f...

Page 47: ...ation shortest time interval can be set between 0 and 600Sec Record channel When an alarm is triggered the camera starts recording you need to open detection recording Tour Here you can enable tour fu...

Page 48: ...g Write Log Check the box here system can record motion detect log FTP Upload Expressed alarm occurs if the selected channel or video capture channel the video file up to a FTP server Note Upload FTP...

Page 49: ...highest Setting method Please refer to chapter 4 1 2 1 4 1 2 3 Video Loss When the device cannot get channel video signal the video loss alarm and the linkage function See Figure 4 18 Same with motion...

Page 50: ...bnormal like No Disk Disk Error Disk No Space Net Disconnection IP Conflict Enable Means open the exception handling feature Show Message On the local host screen pop up dialog box prompts warning inf...

Page 51: ...consistent with the login computer default is 255 255 255 0 Default Gateway Set the default gateway of the device to be consistent with the login computer the default is 192 168 1 1 DNS Server Set th...

Page 52: ...ther DDNS client end It realizes the bonding of the domain name and the IP address Right now current DDNS server is for our own devices only It automatically refreshes the bonding relationship of the...

Page 53: ...serial no to add on mobile phone See Figure 4 22 Via the SN from scanning the QR code you can access the device in the WAN Please refer to the Instaon operation manual included in the resources CD Fig...

Page 54: ...OUT HDD will connect to internet automatically The IP in the PPPoE is the DVR WITHOUT HDD dynamic value You can access this IP to access DVR WITHOUT HDD from WAN network 4 1 3 4 2 NTP PPPoE interface...

Page 55: ...e Input the user name of sender Email Box Password Input the Password for the user name of sender Email Box Sender Input the sender EMAIL address Receiver You can set up to three e mail address separa...

Page 56: ...do not need to set the user name and password Maximum File Length Each package upload files maximum length default is 1024MB DirName To set directory name to upload files 4 1 3 4 5 Alarm Server After...

Page 57: ...ble or disable 3G service Network Type To select current wireless network signal intensity such as Auto TD SCDMA WCDMA CDMA1 x GPRS EVDO and 4G ISP To Select ISP predefine Setting for APN Dial No User...

Page 58: ...interface is shown as in Figure 4 30 Figure 4 30 4 1 3 4 8 Wifi Connect to the wireless router via the wireless module To access the device via IP provided the use of this feature is that the DVR WIT...

Page 59: ...address default 192 168 1 12 Subnet Mask Set the device subnet mask default 255 255 255 0 Default Gateway Set the device s default gateway default 192 168 1 1 4 1 3 4 9 RTSP For Real time Streaming P...

Page 60: ...nction Please note before enable this function please set at least one HDD as redundant Main Menu Storage HDD Manager Please note this function is null if there is only one HDD Rec Duration Here we ca...

Page 61: ...right function button to execute See Figure 4 35 Figure 4 35 Read Write The equipment can read and write data on HDD Read Only Disk The equipment can read data but cannot write data on HDD Redundant...

Page 62: ...DD according to device location The default is GMT 1 00 System time Set the system date and time manually Date Format Provide Year Month Day Month Day Year Day Month Year three formats Daylight Saving...

Page 63: ...g HDD is overwritten or the current HDD is full while the next HDD is no empty then system stops recording If the current HDD is full and then next HDD is not empty then system overwrites the previous...

Page 64: ...port Protocol To select the protocols e g CPPlus PelcoD Address Input corresponding PTZ address Baud rate Select baud rate Data bit Select data bit Stop bit Select stop bit Parity There are five choi...

Page 65: ...me display mode video format IP address user account will not maintain previous setup after default operation 4 1 5 5 Import Export Users can export the log info and the configure file from device to...

Page 66: ...o the config backup every time and set current directory as the root directory of the peripheral device If you go to the configuration backup interface first and then insert the peripheral device 4 2...

Page 67: ...s 1 If the corresponding disk is damaged the information will show 4 2 1 2 Device info Provide device interface info like audio in alarm in out to be conveniently used for user Device info interface i...

Page 68: ...n to look up and click the look up button The log information will display as a list One page is 128 items Press Page up or Page down button to look up and press delete button to clear all the log inf...

Page 69: ...63 4 2 5 BPS Display the code stream Kb S and hard disk capability MB H in real time It displays as the wave sketch map BPS interface is shown as in Figure 4 48 Figure 4 48...

Page 70: ...49 Note The hard disk that saves the video files must be set as read write or read only state Figure 4 49 Please refer table for Playback page reference 1 Playback control 2 Recorded files 3 Synchron...

Page 71: ...em is in single window full screen playback mode you can drag your mouse in the screen to select a section and then left click mouse to realize local zoom You can right click mouse to exit 4 3 2 Backu...

Page 72: ...Select backup device and then set channel file start time and end time Click add button system begins search All matched files are listed below System automatically calculates the capacity needed and...

Page 73: ...rn burn video will sync selected channel Instant Rec User can instantly record live stream in backup drives insert Backup drives like flash drive or external drive in DVR WITHOUT HDD when the device d...

Page 74: ...atus Transparency Resolution Tour etc Display interface is shown as in Figure 4 55 Figure 4 55 Time Display Means the selective state Display the system data and time in the live window Channel Title...

Page 75: ...le Select the channel No and click on setup button and drag the Channel title or date Time title to the corresponding position in the screen 4 3 4 Account Manage the user preview Account interface is...

Page 76: ...y User Modify the user name has been added whether reuse notes group class and permissions See Figure 4 58 Figure 4 58 Modify Group Group name has been added to modify the user group notes and permiss...

Page 77: ...ee Figure 4 60 Figure 4 60 Note The user who possess the user control purview can modify his her own or other users password Forget Password User can set security question it will help to reset passwo...

Page 78: ...missions and other information can add up to 64 user names See Figure 4 62 Figure 4 62 Add Group Set the group name new user group notes permissions and other information See Figure 4 63 Figure 4 63 D...

Page 79: ...drive and firmware upgrade file and then click on Upgrade button to start upgrade process Camera Upgrade Select the channel no of which user want to upgrade firmware and after selecting drive firmware...

Page 80: ...rowsers such as Safari fire fox browser Internet Explorer Device supports multiple channel monitor PTZ control DVR parameter setup on the Apple PC 5 2 Login Open IE and input DVR address in the addres...

Page 81: ...Figure 5 2 System pops up the following dialogue box for you to change default administrator password See Figure 5 3 Figure 5 3 For you own safety please change the default password after you first lo...

Page 82: ...k this button to enable audio talk After you enable the bidirectional talk the Start talk button becomes Stop Talk button and it becomes Red Note if audio input port from the device to the client end...

Page 83: ...sure you have properly set PTZ protocol There are eight direction keys In the middle of the eight direction keys there is a 3D intelligent positioning key Please refer to the following sheet for PTZ s...

Page 84: ...w display mode and the channel number are by default For example for the 16 channel the max window split mode is 16 Multiple channel monitor system adopts extra stream to monitor by default Double cli...

Page 85: ...m auto closes monitor or playback interface when you are searching setup in the configuration interface It is to enhance search speed 5 7 Playback Click Playback button you can see an interface is sho...

Page 86: ...o get playback Search To search Playback record according to above selection Play To Play selected file Page Up To go previous page Page Down To go Next page Please refer to the following sheet for Pl...

Page 87: ...pe and alarm sound setup Please make sure you have enabled audio function of corresponding alarm events Figure 5 9 Please refer to the following sheet for detailed information Type Parameter Function...

Page 88: ...eck the box here system can automatically pops up an alarm icon on the Alarm button in the main interface when there is an alarm Alarm Sound Play alarm sound System sends out alarm sound when an alarm...

Page 89: ...c To disable or select time synchronization mode with device and UTC Connect Mode Can be singe connect or multi ink multi link modes can connect to several devices device will be tour displayed one by...

Page 90: ...lect a device in the Added device list and then click Delete button system can disconnect the device and remove it from the Added device list Save To Save current setting of Add IP device page Manual...

Page 91: ...value is 50 The larger the number is the bright the video is When you input the value here the bright section and the dark section of the video will be adjusted accordingly You can use this function...

Page 92: ...alue has no effect on the general brightness of the whole video The video color may become too strong if the value is too high For the grey part of the video the distortion may occur if the white bala...

Page 93: ...d by default Compression Compression System supports H 264 H 264 It is the High Profile compression algorithm It has the high encode compression rate It can achieve high quality encode at low bit stre...

Page 94: ...rate you have set I Frame Here you can set the P frame amount between two I frames The value ranges from 1 to 150 Default value is 50 Recommended value is frame rate 2 Audio Video Enable You can enab...

Page 95: ...igure 5 15 5 9 1 5 Channel Type It is to set channel type Each channel supports analog camera HD Analog Network camera connection Please note DVR WITHOUT HDD needs to restart to activate new setup The...

Page 96: ...P submask gateway is null when you select the DHCP mode to auto search the IP If you select the static mode you need to set the IP submask gateway manually If you select the DHCP mode you can view the...

Page 97: ...ess the downloaded data first if you enable this function The download speed is 1 5X or 2 0X of the normal speed 5 9 2 1 2 Instaon User can use cell phone to scan the QR code to get download link of c...

Page 98: ...The value ranges from 1 to 120 The default setup is 120 TCP port The default value is 37777 You can input the actual port number if necessary UDP port The default value is 37778 You can input the act...

Page 99: ...0 Please check the box to enable WIFI function and then click the Search SSID button Now you can view all the wireless network information in the following list Double click a name to connect to it Cl...

Page 100: ...sername Password Input dial user s password WLAN Status The IP address of the dial up number to get 5 9 2 5 PPPoE The PPPoE interface is shown as in Figure 5 22 Input the PPPoE user name and password...

Page 101: ...5 9 2 6 DDNS DDNS setup interface is shown as in Figure 5 23 Figure 5 23 Please note DDNS type includes CPPlus DDNS Dyndns and NO IP DDNS All the DDNS can be valid at the same time you can select as y...

Page 102: ...automatically refreshes the bonding relationship of the domain and the IP regularly Operation Select CPPlus DDNS and click on check box to enable DDNS service User can input self defined domain name i...

Page 103: ...e is 25 You can modify it if necessary SSL To enable or disable SSL encryption User Name The user name of the sender email account Password The password of sender email account Sender Sender email add...

Page 104: ...er name and password Remote Directory To set directory name to upload files File Length Each package upload files maximum length default is 1024MB 5 9 2 9 UPnP It allows you to establish the mapping r...

Page 105: ...arm signal to the alarm server when local alarm occurs Before you use alarm server please set server IP port and etc When an alarm occurs system can send out data as the protocol defined so the client...

Page 106: ...100 Figure 5 29 Figure 5 30...

Page 107: ...record once an alarm occurs Please note you need to set motion detect record period and go to Storage Schedule to set current channel as schedule record Delay System can delay the record for specifie...

Page 108: ...eo file up to a FTP server Log Check the box here system can record motion detect event log 5 9 3 1 2 Video Loss The video loss interface is shown as in Figure 5 31 After analysis video system can gen...

Page 109: ...103 Figure 5 32 Figure 5 33...

Page 110: ...d once an alarm occurs Delay System can delay the record for specified time after alarm ended The value ranges from 10s to 300s PTZ Activation Here you can set PTZ movement when alarm occurs Such as g...

Page 111: ...1 3 Tampering The tampering interface is shown as in Figure 5 34 After analysis video system can generate a tampering alarm when the tampering signal reached the sensitivity you set here Figure 5 34 F...

Page 112: ...ing function becomes activated in the specified periods See Figure 5 35 There are six periods in one day Please draw a circle to enable corresponding period Click OK button system goes back to Tamperi...

Page 113: ...in the local host screen if you enabled this function Send Email If you enabled this function System can send out an email to alert you when an alarm occurs Alarm upload System can upload the alarm si...

Page 114: ...ere to enable selected function Show message System can pop up a message to alarm you in the local host screen if you enabled this function Alarm upload System can upload the alarm signal to the Serve...

Page 115: ...o enable selected function Show message System can pop up a message to alarm you in the local host screen if you enabled this function Buzzer Check the box here to enable this function The buzzer beep...

Page 116: ...110 Yellow color stands for the Motion Detect Record Red color stands for the Alarm Record Blue color stands for MD Alarm Record Figure 5 39 Figure 5 40...

Page 117: ...al or stop Setup Sunday to Saturday Click the Setup button you can set record period See Figure 5 40 There are six periods in one day If you do not check the date at the bottom of the interface curren...

Page 118: ...rmation Parameter Function Read Write The equipment can read and write data on HDD Read Only The equipment can read data but cannot write data on HDD Redundant Double backup the video files in the Rea...

Page 119: ...e No It is to set device No Language You can select the language from the dropdown list Please note the device needs to reboot to get the modification activated Video Standard This is to display video...

Page 120: ...ect date format from the dropdown list It includes YYYY MM DD MM DD YYYY and DD MM YYYY Time Format There are two options 24 Hour and 12 hour Date Separator Set the preview screen displays the date wh...

Page 121: ...ure 5 45 Please refer to the following sheet for detailed information Parameter Function Resolution There are four options 1920 1080 1280 1024 1280 720 and 1024 768 Default Please note the system need...

Page 122: ...nformation Parameter Function Channel Select speed dome connected channel PTZ type There are three types RS485 Coaxial All Please select RS485 mode if you are connect RS485 cable to connect to the Spe...

Page 123: ...and then set the rights for the respective user in the specified groups User management adopts group user modes The user name and the group name shall be unique One user shall be included in only one...

Page 124: ...belonging group password and rights See Figure 5 49 Modify password It is to modify the user password You need to input the old password and then input the new password twice to confirm the new setup...

Page 125: ...119 Figure 5 49 5 9 5 4 2 Group The group management interface can add remove group modify group password and etc The interface is shown as in Figure 5 50...

Page 126: ...dd group and set its corresponding rights See Figure 5 51 Please input the group name and then check the box to select the corresponding rights It includes shutdown reboot device live view record cont...

Page 127: ...ks and rights Figure 5 52 5 9 5 5 Auto Maintain The Auto Maintain interface is shown as in Figure 5 53 Here you can select auto reboot and auto delete old files interval from the dropdown list If you...

Page 128: ...Import It is to import the local setup files to the system Config Export It is to export the corresponding WEB setup to your local PC 5 9 5 7 Default The default setup interface is shown as in Figure...

Page 129: ...e 5 56 Note Please make sure power and network should not be interrupt during firmware upgrade process neither Device will be malfunctioned dead condition Improper upgrade program may also result in d...

Page 130: ...start time of the requested log End time Set the end time of the requested log Search You can select log type from the drop down list and then click search button to view the list You can click the s...

Page 131: ...stem operation logs are saved in system memory Other types of logs are saved in the HDD If there is no HDD other types of logs are saved in the system memory too The logs are safe when you format the...

Page 132: ...m which is storage of each channel needed unit Mbyte i h i D 2 In the formula Means the recording time for each day hour Means number of days for which the video shall be kept Step 3 According to For...

Page 133: ...ernal surge and internal surge The external surge The external surge mainly comes from the thunder lightning Or it comes from the voltage change during the on off operation in the electric power cable...

Page 134: ...type and portable socket according to your requirement Signal lightning arrester This device is mainly used in the PC network communication system The connection type is serial connection Once you con...

Page 135: ...nt ground mode and each cable needs to connect to the ground The length shall be less than the 1 20 of the signal wavelength Mixed ground The mix ground consists of the feature of the one point ground...

Page 136: ...object The ground cable adopts copper insulation cable or wire and its ground section shall be more than 20mm2 The ground cable of the monitor system cannot short circuit or mixed connected with the...

Page 137: ...E earth cable Turn the digital multimeter to 750V AC use your one hand to hold the metal end and then the other hand insert the pen to the E port of the socket See the following figure If the multime...

Page 138: ...le connection is not proper or it is not the live cable at all For N Neutral cable Turn the digital multimeter to 750V AC use your one hand to hold the metal end and then the other hand insert the pen...

Page 139: ...are here are subject to change without prior written notice All trademarks and registered trademarks mentioned are the properties of their respective owners If there is any uncertainty or controversy...

Page 140: ...134 Thank You for Choosing CP Plus Website www cpplusworld com Email id sales cpplusworld com support cpplusworld com...

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