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CNB KNU series User Manual

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Network Video Recorders
KNU series
3810-UT02A (v101216E)

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  • Page 1 Network Video Recorders KNU series 3810-UT02A (v101216E)

  • Page 2: Environmental Protection

    Thank you for purchasing our product. Contact your local dealer if you have any questions or feedback. No part of this manual may be copied, reproduced, translated, or distributed in any form or by any means without prior consent in writing from our company. Disclaimer CAUTION! The default password is intended only for your first login and should be changed to a strong one...
  • Page 3 Symbols The symbols in the following table may be found in this manual. Carefully follow the instructions indicated by the symbols to avoid hazardous situations and use the product properly. Symbol Description Indicates a hazardous situation which, if not avoided, could result in bodily injury WARNING! or death.

  • Page 4: Table Of Contents

    Contents Preface ················································································································································ 1 Part I Local Operations ························································································································ 1 1 Before You Begin ······························································································································ 1 Login ··························································································································································· 1 Local Operations ········································································································································ 2 2 Initial Configuration ························································································································· 5 Preparation ················································································································································ 5 Wizard ························································································································································ 5 3 Preview ············································································································································· 8 Preview Status ··········································································································································· 8 Window Toolbar ········································································································································...
  • Page 5 7 Playback ········································································································································· 39 Instant Playback ······································································································································· 39 Playback Toolbar ······································································································································ 39 Playback by Camera and Date ·················································································································· 40 Playback in Corridor Mode ······················································································································ 41 Playback by Tag ········································································································································ 42 Playback by Event ···································································································································· 43 Playback by Smart Search ························································································································ 44 Playback by External File ··························································································································...
  • Page 6 Log Query ················································································································································· 73 Import/Export ·········································································································································· 74 System Restoration ·································································································································· 75 Automatic Maintenance ·························································································································· 75 System Upgrade ······································································································································· 75 Hard Disk Detection ································································································································· 75 14 Shutdown ····································································································································· 77 Part II Web-Based Operations ·········································································································· 78 1 Before You Begin ···························································································································· 78 2 Login ···············································································································································...

  • Page 7: Preface

    Preface This manual describes how to use your NVR locally or on the Web interface. In this manual, the terms IP camera and IPC refer to the same thing: network camera, which requires a connection to the network. And the IP device mentioned in this manual refers to an IP camera (also known as network camera) or a Digital Video Server (DVS).

  • Page 8: Local Operations

    Local Operations You can refer to Initial Configuration and complete a quick configuration. NOTE! Unless otherwise specified, all operations described in this manual are performed with a mouse by the right hand. See Mouse Operations for details. Mouse Operations Table 1-1 Mouse Operations Name Action Description...
  • Page 9 Front Panel Buttons The front panel buttons may vary with NVR model. Table 1-2 Front Panel Buttons Button Description Enter 1 Enter 2, A, B, or C; or start instant playback Enter 3, D, E, or F; or start manual recording Enter 4, G, H, or I;...

  • Page 10: Remote Control

    Button Description Delete Auxiliary function button Switch input methods  Direction buttons: Control rotation directions of the PTZ camera when the PTZ toolbar is closed; in preview mode, press to switch views, including the number of windows on the screen and the layout, press for playback, or press to view the previous or...

  • Page 11: Initial Configuration

    Button Function Menu Press this button to display the main menu. Iris+/Iris- Focus+/Focus- Adjust the iris, focus and zoom of the PTZ camera in PTZ control mode. Zoom+/Zoom- Press UP, DOWN, LEFT and RIGHT to navigate between menu items or shift ...
  • Page 12 NOTE! The wizard may vary with device model and other factors. The following shows an example. 1. Enable or disable the wizard as needed and then click Next. NOTE! You may change the setting under Menu > System > Basic. ...
  • Page 13 3. Complete time information and then click Next. 4. Set the IP address, subnet mask, and default gateway. Use the default settings for other parameters unless modification is necessary. Review the settings and then click Next. NOTE! If your NVR has more than one Network Interface Card (NIC), you may configure the NICs and choose ...

  • Page 14: Preview

    NOTE! You may also edit wizard settings by clicking Wizard under Menu > System > Basic. Preview Preview Status The following icons are used to indicate alarms, recording status, and audio status in a preview window. Table 3-1 Preview Window Icons Icon Description Tampering alarm...

  • Page 15: Window Toolbar

    Normally, live video is displayed in a preview window, but other situations are also possible. Description The IP device is online, and live video is displayed. The IP device is online, but the NVR has insufficient capacity to decode streams from the IP device.

  • Page 16: Screen Toolbar

    Icon Description Rest your mouse pointer on the icon to view live video information. Or click it to view the channel number, camera name, IP address, connection status and recording status. Two-way audio with the front-end device. Clicking stops two-way audio. The sound volume is adjustable using Click to turn on audio.

  • Page 17: Shortcut Menu

    Icon Description Click to automatically hide or lock the toolbar. Shortcut Menu A shortcut menu as shown below appears when you right-click in a preview window. Some of the menus are described in Shortcut Menu Description. Table 3-2 Shortcut Menu Table 3-3 Shortcut Menu Description Menu Description...

  • Page 18: Zoom

    NOTE! The number of windows that can be displayed may vary with NVR model. 2. Click Start Sequence on the screen toolbar. Sequence starts by displaying four windows on the first screen and then the fifth on the second screen at the set interval. NOTE! The default sequence interval is eight seconds and can be set under Menu >...

  • Page 19: Image Configuration

    NOTE! The area will be adjusted automatically according to the window size and its aspect ratio. Also, a minimum size is specified for the area to ensure zoom effects. Image Configuration Adjust image settings to get optimal images from a camera. 1.
  • Page 20 Preview Configuration Each preview window links to a camera, and by default, the first window links to camera D1, the second window links to camera D2, and so on (see the figure below). You may drag a window to the desired position on the screen so the window links to the camera that the previous window links to and then check the link under System >...

  • Page 21: Channel Configuration

    Advanced Configuration Click the Advanced tab and then select Sub Stream First so the NVR uses the sub stream to establish live video from multiple cameras simultaneously. This function is disabled by default. Channel Configuration Channel Management This chapter describes how to manage IP devices added in your NVR. Before you start, make sure the IP devices are connected to your NVR via network.
  • Page 22 1. Click Menu > Camera > Camera > Camera. The system searches for IP devices automatically and lists the devices discovered. NOTE! Idle Receive Bandwidth indicates network bandwidth currently available for receiving streams. For more details, see Network Statistics. 2. (Optional) To search a specified network segment, click Search and then set the address range. 3.
  • Page 23 NOTE! For a multi-channel DVS, a window appears when you click Add, and you need to select the desired channels to add the connected cameras. Option 2 This option is not applicable to NVRs with PoE ports or switching ports. 1.

  • Page 24: Osd Configuration

    Click to edit settings of an IP device, including the access protocol, IP address, port number,  username and password. The Camera IP field displays the IP address that the current channel links to, and you may change the address so the channel links to another device. The username and password must be consistent with that of the IP camera.
  • Page 25 3. Adjust settings on the tabs as needed to achieve optimal images. See the following sections for detailed information. NOTE! A scene can be selected only when it is supported by the IP camera.  To restore default image settings, click Default in the lower right corner. This function is available ...
  • Page 26 Exposure 1. Click the Exposure tab. 2. Adjust the settings as needed. Some important parameters are described in the table below. Parameter Description Exposure Mode Select the correct exposure mode to achieve the desired exposure effect. Shutter is used to control the light that comes into the lens. A fast shutter speed Shutter(s) is ideal for scenes in quick motion.
  • Page 27 Parameter Description Switching(s) Mode after the switching conditions are met. Enable WDR to ensure clear images in high contrast conditions. WDR Level After enabling WDR, you can improve image quality by adjusting the WDR level. White balance 1. Click the White Balance tab. 2.

  • Page 28: Privacy Mask Configuration

    Privacy Mask Configuration A privacy mask is an area of solid color covering certain parts of the monitored area. Privacy mask protects specified areas of images from being viewed and recorded. Multiple mask areas are allowed. 1. Click Menu > Camera > Privacy Mask. 2.
  • Page 29 2. Click the Set button. The PTZ Management window appears. See the figure below. The PTZ Management window can also be opened by clicking Menu > Camera > PTZ. Table 5-1 PTZ Control Window Buttons Button Description Control the rotation direction of the PTZ camera or stop rotation. Adjust the zoom, focus, and iris of the PTZ camera.

  • Page 30: Setting And Calling A Preset

    Button Description Control the rotation speed of the camera. 1 means the slowest, and 9 means the fastest. Click to display the PTZ Management window. Turn on/off the light.  Turn on/off the wiper.  Use 3D positioning.  Turn on/off the heater. ...

  • Page 31: Setting A Preset Patrol

    2. Add presets. a. Click the directional buttons to steer the PTZ camera to the desired position. b. Adjust the zoom, focus, and iris as needed. Select a preset number not in use, and then click under Save. d. Repeat the above steps to add all the presets. 3.

  • Page 32: Setting A Recorded Patrol

    2. Select a preset from the drop-down list, set the duration (time the camera stays at the preset, unit: second), and then set the rotation speed (1: slowest, 9: fastest). Click OK to save the settings. The preset is added as a keypoint, as shown in the figure below. 3.

  • Page 33: Recording And Snapshot

    3. Click to stop recording. All the patrol actions have been recorded. 4. To start the recorded patrol, click . Click to stop. NOTE! This function requires the camera's support. The drop-down list and the buttons on the right are hidden if this function is not supported by the camera.
  • Page 34 Parameter Description Note: This parameter is effective only when the camera is connected to the NVR via the private protocol. Normal: main stream that is intended for scheduled recording.  Event: main stream that is intended for recording triggered by events ...

  • Page 35: Scheduled Recording And Snapshot

    Snapshot 1. Click Menu > Camera > Snapshot. 2. Set the parameters as needed. NOTE! Scheduled snapshot uses the normal type of schedule. Event-triggered snapshot is triggered by an  event such as an alarm input and a motion detection alarm. Settings effective to event-triggered snapshot also apply to manual snapshot.
  • Page 36 NOTE! All Day is selected by default. You may clear the check box and set up to eight different periods for  each day. Scheduled recording (Normal) is the default recording type. To change the recording type, make  sure you have enabled the corresponding alarm function and have configured alarm-triggered recording.

  • Page 37: Motion Detection Recording And Snapshot

    Motion Detection Recording and Snapshot When enabled, a motion detection alarm occurs if an object inside the detection area moves to certain extent. Motion detection alarms can trigger actions including recording and snapshot. Motion Detection Recording 1. Click Menu > Alarm > Motion. 2.

  • Page 38: Alarm Triggered Recording And Snapshot

    Motion Detection Snapshot Motion detection snapshot is similar to motion detection recording. You need to enable and configure motion detection alarm first (see steps 1 to 3 in Motion Detection Recording for details), and then proceed with the following steps. 1.
  • Page 39 NOTE! To apply the same settings to other camera(s), click Copy and then select the desired camera(s). 3. Set alarm triggered recording: click in the Trigger Actions column. In the window displayed, click the Recording tab, select the desired camera, and then click OK. 4.

  • Page 40: Manual Recording And Snapshot

    1. Set alarm triggered snapshot: Click in the Trigger Actions column. In the window displayed, click the Snapshot tab, select the desired camera, and then click OK. 2. Set a snapshot schedule under Menu > Storage > Snapshot. For the detailed steps, see Scheduled Recording.

  • Page 41: Holiday Recording And Snapshot

    Manual Snapshot Manual snapshot is similar to manual recording. Click Menu > Manual > Snapshot, select the desired camera, and then click Start. To stop manual snapshot, select the camera and then click Stop. Holiday Recording and Snapshot Holiday recording and snapshot allows you to specify certain time periods as holidays for scheduled recording and snapshot.

  • Page 42: Other Recording And Snapshot Types

    4. Click Menu > Storage > Recording, and set a recording schedule as described in Scheduled Recording. Make sure Holiday is selected in the Select Day drop-down list. In the following example, motion detection recording is enabled on the set holiday. Holiday Snapshot Holiday snapshot is similar to holiday recording.

  • Page 43: Advanced Configuration

    2. Select the desired camera from the drop-down list and then set the maximum recording space and maximum image space. You can select a disk group only when disk group is enabled under Menu > Storage > Disk Group. For more information, see Advanced Configuration.

  • Page 44: Disk Management

    Disk Management View total and used disk space, edit disk property, and format disks. Make sure the disks are correctly installed before you start. Only admin can edit disk property and format a disk. 1. Click Menu > Storage > Hard Disk. 2.

  • Page 45: Playback

    3. Click Apply. Playback Instant Playback Instant playback plays the video recorded during the last 5 minutes and 30 seconds. If no recording is found, it means there is no recording during this period. 1. Click the desired preview window, and then click on the toolbar to start instant playback.

  • Page 46: Playback By Camera And Date

    Table 7-1 Playback Toolbar Button Description Show playback progress. Note: A small window displaying video appears when you drag the slider, helping you locate the part you want to view. Timeline. Zoom in or out on the timeline. Note: Alternatively, scroll your mouse wheel. Play, pause, stop.

  • Page 47: Playback In Corridor Mode

    3. Select the desired date on the calendar and then click to start playback. Double-clicking the date will start playback directly. NOTE! The calendar uses different flags to indicate different recording types. No flag means no recording.  The blue flag means normal recording. The red flag means event-triggered recording. The first progress bar indicates playback progress of the video playing in the highlighted window.

  • Page 48: Playback By Tag

    Playback by Tag Tags are used to mark time points with useful information such as an event name or a location. With tags you can locate time points quickly and search for the related recordings. Adding a Tag 1. Right-click and then click choose Playback. 2.

  • Page 49: Playback By Event

    Playback by Event You can specify an event type to search for and play videos recorded for one or more cameras during a specified time period. 1. In the playback window, select Event from the drop-down list in the upper left corner. 2.

  • Page 50: Playback By Smart Search

    Playback by Smart Search This function provides an efficient way to review recordings containing smart search results such as detected motions. In smart playback mode, the system analyzes recordings for smart search results. If such results are detected, the progress bar is highlighted in green, and the video plays at the normal speed, allowing you enough time to catch details.

  • Page 51: Playback By Image

    1. In the playback window, select External File from the drop-down list in the upper left corner. 2. Click Refresh and then wait for the NVR to read the external storage device. 3. Select the desired recording file and then click to start playback.
  • Page 52 NOTE! The image resolution depends on the resolution from the output interface and the number of windows displayed when the snapshot is taken. 2. Lock files. Use this function to lock a recording file so it will not be overwritten. a.

  • Page 53: Backup

    Backup Recording Backup Backup, also known as recording backup, is the process of querying video stored on a hard disk of the NVR and then saving the recording to a USB storage device as a file. Recording backup has the following conditions: The USB storage device has a FAT32 or an NTFS file system and is correctly connected to the ...
  • Page 54 NOTE! You can lock/unlock and play recording files in this window. 3. Select the desired recording(s) and then click Backup. 4. Select a destination in the USB storage device and then click Backup. The recording(s) will be saved to the specified directory. NOTE! You may want to create a new folder for the recording(s) by clicking New Folder.

  • Page 55: Image Backup

    4. Select the desired video clip(s) and then click Backup. 5. Select a destination in the USB storage device and then click Backup. The selected video clips are saved to the specified directory. Image Backup NOTE! The default format of image backup is JPEG. 1.

  • Page 56: Alarm

    NOTE! The image resolution depends on the resolution from the output interface and the number of windows displayed when the snapshot is taken. 3. Select the desired file(s) and then click Backup. 4. Select a destination in the USB storage device and then click Backup. The selected files are saved to the specified directory.

  • Page 57: Alarm Output

    3. Click in the Trigger Actions column and then set action(s) to trigger. For more details, see Alarm-Triggered Actions. NOTE! The number of cameras that can be connected may vary with NVR model.  Actions that can be triggered may vary with alarm type. ...

  • Page 58: Motion Detection

    2. Click for the desired camera, and then set the default status and duration. After you have completed the settings, click OK. NOTE! To apply the same settings to other cameras, click Copy, select the desired cameras, and then click Motion Detection When enabled, a motion detection alarm occurs if an object inside the detection area moves to certain extent.

  • Page 59: Tampering Detection

    NOTE! The number of cameras that can be connected may vary with NVR model.  Actions that can be triggered may vary with alarm type.  5. (Optional) Click right to Arming Schedule and then set the time when motion detection is enabled.

  • Page 60: Audio Detection

    3. Click right to Trigger Actions and set action(s) to trigger. For more details, see Alarm- Triggered Actions. 4. (Optional) Click right to Arming Schedule and then set the time when tampering detection is enabled. 5. Click Apply to save the settings. Audio Detection An audio detection alarm occurs when a camera detects a sudden change in sound volume.

  • Page 61: Video Loss

    Detection Type Description Threshold An alarm occurs when the volume exceeds the set value. 6. Click Apply to save the settings. Video Loss A video loss alarm occurs when the NVR loses video signals from a camera. 1. Click Menu > Alarm > Video Loss. 2.

  • Page 62: Buzzer

    Illegal Access: The username does not exist or the password is incorrect.  Network Disconnected: Network connection is lost.  IP Conflict: Devices on the network use the same IP address.  Perform the following steps to configure an alert: 1.

  • Page 63: Manual Alarm

    Alarm-Triggered Snapshot The NVR takes a snapshot when an alarm occurs. Alarm-Triggered Preset A PTZ camera rotates to a preset position when an alarm occurs. Alarm-Triggered Preview The NVR plays live video in full screen when an alarm occurs. Alarm-Triggered Alarm Output The NVR outputs an alarm to trigger actions by a third-party device when an alarm occurs.

  • Page 64: Basic Configuration

    Basic Configuration 1. Click Menu > System > Network > Basic. 2. Set the network parameters as needed. For some models, DHCP is enabled by default. You can choose a working mode if your NVR has two NICs: Multi-address mode: The two NICs work independently and can be configured separately. Either ...

  • Page 65: Ezcloud

    2. Select PPPoE, and then enter the username and password provided by your Internet Service Provider (ISP). The network information appears under IP Info when dial-up succeeds. NOTE! You need to disable UNP client first.  If your NVR has multiple NICs, PPPoE dial-up will be implemented through the NIC specified as the ...

  • Page 66: Ddns

    DDNS If your NVR is connected to the Internet through PPPoE, the IP address of the network changes every time it connects to the ISP server without your awareness. This is inconvenient when you remotely access your NVR with an IP address. To avoid this issue, you can register with an DDNS server to obtain a domain name for your NVR and then access your NVR by visiting the domain name instead of an IP address (http://DDNS server address/NVR's domain name) using a web browser.

  • Page 67: Port Mapping

    NOTE! A valid port number ranges from 1 to 65535, among which 21, 23, 2000, 3702 and 60000 are reserved for other purposes. Make sure each port number configured is unique. 3. Click Apply to save the settings. Port Mapping Two port mapping methods are available: Universal Plug and Play (UPnP) ...
  • Page 68 Internal and External Port Mapping If your router does not support UPnP, then you need to configure internal and external ports manually. NOTE! The principle of port mapping is that the internal and external ports of the NVR are consistent with ...

  • Page 69: Email

    Email The NVR can be set to send an email notification to specified email addresses when an alarm occurs. The email contains basic alarm information such as alarm type, alarm time, camera ID, and camera name, etc. Before using this function, make sure the NVR has a functional connection to an SMTP server with which you have a valid email account.

  • Page 70: Ftp

    NOTE! Only some device models support FTP.  An FTP tool is required for this function.  With this function enabled, images will be automatically uploaded to the FTP server.  1. Click Menu > System > Network > FTP. 2.

  • Page 71: Array Configuration

    NOTE! To apply the same settings to other days in a week, select the desired days right to Copy To. 5. Click Apply to save the settings. NOTE! To apply the same settings to other cameras, click right to Copy, select the desired cameras and then click OK.

  • Page 72: Rebuilding An Array

    3. To create an array manually, select the desired disks and then click Create. In the window displayed, enter the array name, select the array type, and select local disks. Click OK to complete the setup. Note that no hot spare disk will be created automatically. Rebuilding an Array By checking array status you can determine whether maintenance is necessary.

  • Page 73: Time Configuration

    3. Click Apply to save the settings. NOTE! Only admin can set Enable Password.  If Enable Password is not selected, no password is required for local login at system startup.  However, a username and password are still required when you log in after a logout. You may also set startup Wizard here by clicking Wizard.

  • Page 74: Serial Port Configuration

    3. Click Apply to save the settings. Time Synchronization Use this function to synchronize camera time with the NVR. Time sync is enabled by default, and cameras will synchronize time once when they get online, and then synchronize once every 30 minutes.

  • Page 75: Security Configuration

    2. To add a user, click Add, and then set the username, user group, password and permissions as needed. Click OK to save the settings. 3. To edit or delete a user, click as needed. If you change the password for a user, the new password takes effect at the user's next login.

  • Page 76: System Maintenance

    ONVIF Authentication Enable ONVIF authentication under Menu > System > Security > ONVIF Auth so a username and password will be required for ONVIF-based device access. Select the check box and then click Apply. ARP Protection Prevent APR attacks by verifying the gateway's MAC address in access requests. If you switch the NIC working mode, the enabled ARP protection will be disabled automatically.
  • Page 77 Camera status Click the Camera tab to view camera status. The Status column indicates whether a camera is online or offline and the cause of offline. The On or Off means whether the alarm is enabled or disabled. Recording status Click the Recording tab to view recording status and stream settings.

  • Page 78: Network Information

    Decoding card status Click the Slot Status tab to view the decoding card status. This function is available to some models only. Network Information Traffic Click Menu > Maintain > Network Info > Traffic to view network traffic information. Network Detection Click Menu >...

  • Page 79: Log Query

    Network Statistics Click Menu > Maintain > Network Info > Network Statistics. Bandwidth usage statistics are displayed. NOTE! Insufficient receiving bandwidth (Idle Receive Bandwidth) may cause the connected cameras to be  offline. When the sending bandwidth (Idle Send Bandwidth) is sufficient, remote live view, playback or ...

  • Page 80: Import/Export

    4. If is displayed under Play, you may click to view the recording that started one minute before the alarm time and ended ten minutes after the alarm time. means this functions is not available. 5. To export logs to an external storage device, click Export, set the export destination and format, and then click Backup.

  • Page 81: System Restoration

    System Restoration Use this function to restore some or all factory default settings. The NVR will restart automatically to complete this operation. Recordings and operation logs will not be deleted. 1. Click Menu > Maintain > Restore. 2. Click Default to restore factory default settings except network and user settings, or click Factory Default to restore all factory default settings.

  • Page 82: Bad Sector Detection

    NOTE! Some hard disks only support some of the test items.  Evaluation status includes Healthy, Failure, and Bad Sectors. It is recommended to replace the disk  immediately if the status is Failure. For further information about hard disks, contact your local dealer.

  • Page 83: Shutdown

    2. Select the desired disk and detection type, and then click Detect to start detection. Click Stop if you want to stop. CAUTION! The detection stops automatically when the error count reaches 100. Shutdown Click Menu > Shutdown and then log out, restart or shut down as needed. To shut down the NVR, you may also long-press the power button on the front panel (if available) for around three seconds till an on-screen message appears, and then click Yes.

  • Page 84: Part Ii Web-Based Operations

    CAUTION! Unsaved settings will be lost if the NVR is shut down unexpectedly, for example, due to a power failure. An incorrect shutdown during a system upgrade may cause startup failures. Part II Web-Based Operations Before You Begin You may access and manage your NVR remotely through the Web interface. Check the following before you begin: Access will be authenticated during login, and operation permissions will be required.

  • Page 85: Live View

    Live View The Live View page is displayed when you are logged in. The following figure shows an example. Table 3-1 Live View Window Control Buttons Button Description Button Description Two-way audio Main/Sub stream Start or stop live view in Previous and next screen all windows Switch screen layout...

  • Page 86: Playback

    NOTE! A snapshot file is named in this format: IP camera ID snapshot time. For example,  192.168.1.30_D1_20150711102123239.jpg. The snapshot time is in YYYYMMDDHHMMSSMS format. By default, snapshots are saved in this directory: C:\Users\username\Surveillance\Snap\system date.  The system date is in yyyy-mm-dd format. A local recording is named in this format: IP camera ID_S recording start time E recording end time.

  • Page 87: Configuration

    Button Description Button Description Adjust sound volume; Zoom turn on or off sound Configuration Click Settings on the top, and then click the menus on the left to configure parameters.

  • Page 88: Appendix A Typical Applications

    Appendix A Typical Applications Typical Application 1 The NVR, IP cameras, and PC are connected on a private network (or LAN). The IP cameras can be connected to the NVR directly or via a switch. And you manage the NVR and the connected IP cameras through the monitor or using a web browser on the PC.

  • Page 89: Typical Application 3

    software. You can manage the NVR and the connected IP cameras using the surveillance software or through the monitor. Typical Application 3 The NVR and the connected IP cameras are located on a private network (or LAN), and you manage these devices through the cloud server, a cloud solution for device management over Internet.

  • Page 90: Appendix C Faqs

    Acronym Description Network Time Protocol Network Video Recorder ONVIF Open Network Video Interface Forum Power over Ethernet PPPoE Point-to-Point Protocol over Ethernet Pan, Tilt, Zoom RTSP Real-Time Streaming Protocol Software Development Kit S.M.A.R.T. Self-Monitoring, Analysis and Reporting Technology UPnP Universal Plug-and-Play Universal Serial Bus Video Graphics Array Variable Bit Rate...
  • Page 91 Problem Possible Cause and Solution Click Menu > Maintain > System Info > Camera. The cause is displayed in the Status column. Common causes include disconnected network, incorrect username or password, weak password, insufficient bandwidth.  Check network connection and network configurations. A camera is offline, and No ...

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