QNAP VioStor CMS User Manual
QNAP VioStor CMS User Manual

QNAP VioStor CMS User Manual

Central management system
Table of Contents

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VioStor CMS
Central Management System
User Manual (Version: 1.0.1)
© 2013. QNAP Systems, Inc. All Rights Reserved.

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Table of Contents
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Summary of Contents for QNAP VioStor CMS

  • Page 1 VioStor CMS Central Management System User Manual (Version: 1.0.1) © 2013. QNAP Systems, Inc. All Rights Reserved.
  • Page 2 Limited Warranty In no event shall the liability of QNAP Systems, Inc. (QNAP) exceed the price paid for the product from direct, indirect, special, incidental, or consequential damages resulting from the use of the product, its accompanying software, or its documentation. QNAP makes no...
  • Page 3 Note:  Back up the system periodically to avoid any potential data loss. QNAP disclaims any responsibility of all sorts of data loss or recovery.  Should you return any components of the product package for refund or maintenance, make sure they are carefully packed for shipping. Any form of damages due to improper packaging will not be compensated.
  • Page 4 Connect the equipment into an outlet on a circuit different from that to which the • receiver is connected. Consult the dealer or an experienced radio/television technician for help. • Modifications: Any modifications made to this device not approved by QNAP Systems, Inc.
  • Page 5 may void the authority granted to the user by the FCC to operate this equipment. CE NOTICE Class B only.
  • Page 6 Symbols in this document This icon indicates the instructions must be strictly followed. Failure to do so could result in injury to human body or death. Warning This icon indicates the action may lead to disk clearance or loss OR failure to follow the instructions could result in data damage, disk Caution damage, or product damage.
  • Page 7: Table Of Contents

    Table of Contents TABLE OF CONTENTS ............................7 SAFETY WARNING ............................10 CHAPTER 1 INTRODUCTION ........................11 ............................11 VERVIEW ........................12 ARDWARE LLUSTRATION ........................14 ARDWARE PECIFICATION CHAPTER 2 INSTALLING CMS SERVER ....................16 CD-ROM ........................... 16 ROWSING ....................17 RIVE OMPATIBILITY IP C...
  • Page 8 3.12.1 A ..........................80 DDING 3.12.2 E ......................83 DITING AN 3.12.3 D .......................... 83 ELETING 3.12.4 E IP C ....................84 DITING AMERA ON 3.13 ..........................85 ANAGEMENT 3.13.1 R ........................86 ANAGEMENT 3.13.2 G ......................... 100 ROUP ANAGEMENT 3.13.3 U ............................
  • Page 9 5.5.3 O ..........................167 LINE ..........................167 IRMWARE PDATE 5.6.1 U ..............167 PDATE IRMWARE BY DMINISTRATION 5.6.2 U QNAP F .................... 169 PDATE IRMWARE BY INDER ..................... 171 ESTORING TO ACTORY EFAULT ........................... 171 ANAGEMENT 5.8.1 V ........................171...
  • Page 10: Safety Warning

    Safety Warning This product can operate normally in the temperature of 0ºC–40ºC and relative humidity of 0%–90%. Please make sure the environment is well-ventilated. The power cord and devices connected to this product must provide correct supply voltage. Do not place this product in direct sunlight or near chemicals. Make sure the temperature and humidity of the environment are in optimized level.
  • Page 11: Chapter 1 Introduction

    64 channels per screen. Concurrent independent playbacks and display controls in four screens are also supported. The CMS Server has the highest compatibility with the QNAP VioStor NVR series and also supports a variety of brand name IP cameras. For detailed compatibility list, please refer to:...
  • Page 12: Hardware Illustration

    Hardware Illustration CMS-2000: One Touch Copy button USB 2.0 (reserved) LED indicators: HDD1, HDD2, LAN, eSATA Power button Power connector Gigabit LAN x 2 USB 2.0 x 2 (reserved) Password & network settings reset button K-Lock security slot eSATA(reserved) USB 3.0 x 2 (reserved)
  • Page 13 CMS-4000U-RP: USB 2.0 (reserved) One Touch Copy button LED indicators: HDD1-4, LAN, eSATA Power button Password & network settings reset button Gigabit LAN x 2 USB 2.0 x 4 (reserved) USB 3.0 x 2 (reserved) eSATA (reserved) Power Connector...
  • Page 14: Hardware Specification

    Hardware Specification CMS-2000: CMS-2000 Model Name Base: 64, Maximum:1,024 Number of License 2 x 3.5” or 2.5” SATA (Hot-swappable and lockable tray) Intel 2.13GHz dual-core processor Linux Embedded Operating System Gigabit Rj-45 Ethernet port x 2 Ethernet Port 150 (H) x 102 (W) x 216 (D) mm Dimensions 5.91 (H) x 4.02 (W) x 8.5 (D) inch 1.74 Kg (3.84 lb)
  • Page 15 CMS-4000U-RP: CMS-4000U-RP Model Name Base: 64, Maximum:1,024 Number of License 4 x 3.5” or 2.5” SATA (Hot-swappable and lockable tray) Intel 2.13GHz dual-core processor Linux Embedded Operating System Gigabit Rj-45 Ethernet port x 2 Ethernet Port 44 (H) x 439 (W) x 499 (D) mm Dimensions 1.73 (H) x 17.28 (W) x 19.65 (D) inch 7.63 Kg (16.82 lb)
  • Page 16: Chapter 2 Installing Cms Server

    For details on product hardware installation, please refer to the “Quick Installation Guide” (QIG) in the product package. Browsing CD-ROM The CMS installation CD-ROM contains the Quick Start Guide, CMS Client, QNAP Finder, and the user manual. Browse the CD-ROM and access the following contents: ...
  • Page 17: Hard Disk Drive Compatibility List

    Note: QNAP disclaims any responsibility for product damage/malfunction or data loss/recovery due to misuse or improper installation of hard disks in any occasions for any reasons. IP Camera Compatibility List For information on supported IP Camera models, please visit the QNAP Security website: http://www.qnapsecurity.com/pro_compatibility_camera.asp...
  • Page 18: Checking System Status

    Checking System Status LED Display & System Status Overview Color LED Status Description 1) A hard drive on the system is being formatted/initialized. Flashes green 2) The system firmware is being updated. and red 3) RAID rebuilding is in process. alternately 4) Online RAID Capacity Expansion is in every 0.5 sec...
  • Page 19 1) A USB device is detected. 2) A USB device is being removed from the system. Flashes blue 3) The USB device connected to the front every 0.5 sec USB port of the system is being accessed. 4) The system data is being copied to the external USB device.
  • Page 20: System Configuration

    Follow the steps below to install the software of the CMS Server. The following example is based on the Windows OS. 1. Install the QNAP Finder from the product CD. 2. Run the QNAP Finder. If the QNAP Finder is blocked by the firewall or anti-virus software, unblock them.
  • Page 21 3. The QNAP Finder will scan for CMS Server(s) that have not been configured on the local network. The CMS Server can be identified by the model number. Click “Yes” to start setting up the CMS Server.
  • Page 22 4. Click “OK” to proceed. 5. The default web browser will be opened. Follow the onscreen instructions to configure the CMS Server.
  • Page 23 6. Click “START INSTALLATION” in the last step. 7. All the installed hard disk drives will be formatted, and all the data will be cleared. Click “OK” to proceed.
  • Page 24 8. When finished, click “Return to system administration page” to complete the initialization process for the CMS Server.
  • Page 25: Chapter 3 Installing Cms Client

    Chapter 3 Installing CMS Client After network settings of the CMS Server are configured, please connect the CMS Server to the network and set up the CMS Client. Important : Before using the CMS Client, make sure the hard disk drives on the CMS Server have been properly installed and configured.
  • Page 26: Installing Cms Client

    Installing CMS Client Follow the steps below to install the CMS Client: 1. Run the CMS Client installer from the product CD and click “Next”.
  • Page 27 2. Choose the shortcuts to create and click “Next”. 3. Select the installation directory and click “Install”.
  • Page 28: Connecting Cms Client To Cms Server

    4. After finishing the installation process, click “Finish”. Connecting CMS Client to CMS Server Follow the steps below to connect the CMS Client to the CMS Server:...
  • Page 29 1. Run the CMS Client. Enter the IP address of the CMS Server, the username, password and domain (please select the domain from the “Login to” field) and click “OK”. Or, click “Auto Find” to search for CMS Servers on the local network. Double click a CMS Server from the list to connect to it or click “Connect”...
  • Page 30: Quick Configuration Wizard

    2. Enter the administrator username and password to login and start using the CMS Client. Default administrator credentials: username: admin Password: admin Quick Configuration Wizard If this is the first time the CMS Client is configured, the Quick Configuration Wizard will start automatically.
  • Page 31 License Activation Activate your license on this page. License activation is required before cameras can be added. For details, please refer to Chapter 3.6.
  • Page 32 Adding NVR(s) Click “Auto Detect” to search for the NVR(s) on the LAN automatically, or enter the NVR IP address manually. Click > to move the NVR to be added to the box on the right and click “Confirm” to add the NVR. Tip: Use the “Shift”...
  • Page 33 Set up Display Mode The administrator can select the display mode and assign the channels manually to use the sequential mode or have the all the channels assigned by the NVRs instead. When “Sequential mode” is selected, cameras channels will be assigned sequentially to each channel window in the display mode.
  • Page 36 Uploading E-map(s) Select the E-map files or directories on the right, click “Confirm” to upload the E-maps and then click “Finish” to finish the wizard.
  • Page 37: Configuring Cms Client

    Configuring CMS Client To enter the system settings page on the CMS Client, login the live view page as an administrator and then click...
  • Page 38 The system overview page will be opened. Select the overview period from the drop-down menu on the top right corner. The system can display system details for up to seven days. Click “Learn more” under each item to view the details. The system overview page contains the following information: Alarm: Alarm input, dynamic motion event information, and charts.
  • Page 39 The configuration settings are available on the left: License  Server  Camera  Event management  View  E-map  User management  Server logs  CMS Server Settings ...
  • Page 40: License

    License Please activate your license on this page if you have not already done so using the Quick Configuration Wizard. License activation is required before cameras can be added. A 64-channel license is provided for each CMS Server and you can choose to activate or deactivate your license online of offline.
  • Page 41: Activating License Online

    Activating License Online Please follow the steps below to activate your license online: 1. Click “Activate License Online” 2. Enter the product authorization key and click “Activate” and “Finish”.
  • Page 42: Activating License Offline

    3. After the license is activated online, the license detail will appear. 3.7.1 Activating License Offline If the Internet is unavailable, please follow the steps below to activate your license offline. 1. Click the “Activate License Offline” button. A prompt window will appear to remind you to use another PC that can go online to bind the PAK and UDI.
  • Page 43 2. Click “Offline Activation” after entering the License Store (http://license.qnap.com).
  • Page 44 3. After membership registration, please fill out the PAK provided, the device UDI and verification code from the license activation page to download the physical permission file. Tip: Use the “Copy UDI” function to copy UDI and paste in the field of QNAP license store.
  • Page 45 4. Upload the license file. After the license is activated, its details will appear.
  • Page 46: Transferring/Deleting Authorization

    3.7.2 Transferring/Deleting Authorization To transfer and delete your license, please deactivate it first either online or offline.  Online License Deactivation: If Internet access is available for the CMS Server, please click the license to be deactivated and then “Deactivate License Online“. The CMS Server will connect to the License Store to deactivate the selected license.
  • Page 47 The license will be deactivated and removed from the list. Offline License Deactivation: If Internet connection is unavailable for the CMS Server, please click “Deactivate License Offline“. The CMS Client will generate a deactivation ticket (a physical file). Please upload this ticket to the License Store using another device that can connect to the Internet.
  • Page 48 2. Go to the License Store using another computer that can connect to the Internet and click “Offline Deactivation“.
  • Page 50: Server

    3. Upload the deactivation ticket generated in Step 1, fill in the verification code and click “Apply“. Server After license management (activation and deactivation), the next step is to add NVR servers and cameras. Add, delete, and edit any server types supported by the CMS on the “Server” page. You can manage the cameras connected to the server.
  • Page 51: Adding Nvr

    The CMS client can apply the same system time, alert notification and SMSC settings to a number of NVRs (only limited to the same models) to save the system setup time. 3.8.1 Adding NVR To add one or more NVR servers, click...
  • Page 52 You can use the auto-find function to search for the NVR server(s) on the LAN, or enter the NVR IP address manually. When adding more than one server, you can enter a pair of username and password and apply to all of them. When the “Add all the cameras” option is checked, all the cameras configured on the NVR will be added.
  • Page 54 The NVR in another subnet will be added. After adding all required NVR(s), click “OK” and the “Add Server in Progress” message box will appear and the status will be shown in the box. Click “Confirmation”. The system will add the servers one by one. There are four kinds of status: Retrieving NVR Data, Add Channel (channel number) to CMS, Done and Connection Error.
  • Page 55: Deleting/Editing Nvr

    Note: For the “Connection Error” error message, please check your user ID/password, firewall and network settings. 3.8.2 Deleting/Editing NVR To delete an NVR, select the NVR on the list and click . To edit the NVR details (server . Click “OK” name, IP address, port, user name, or password), select the NVR and click after all fields are completed.
  • Page 56: Adding/Removing Camera

    3.8.3 Adding/Removing Camera Select an NVR from the list and a list of available cameras will be shown below. Use the left and right arrows to add or remove the cameras to be controlled and monitored by the CMS Client. After applying the settings, the number of cameras connected to the NVR will appear next to the NVR name on the left list.
  • Page 57 2. Browse and select the firmware image file (*.img) from the local computer.
  • Page 58: Tcp/Ip Configuration

    Tip: You can select to update the firmware of multiple NVR servers at the same time if they are the same model. 3.8.5 TCP/IP Configuration The CMS Server supports static IP assignment for all NVRs, and for each NVR, the number of LAN ports can be different.
  • Page 59 Configuring NVR with a Single LAN Port If the NVR supports a single LAN port, select one of the following options to configure the TCP/IP settings of the NVR.  Use static IP address: To assign a fixed IP to the NVR, enter the IP address, the subnet mask, and the default gateway.
  • Page 60 Configuring NVR with Dual LAN Ports If the NVR supports two LAN ports, select to use failover, load balancing, or standalone setting. To use these features, make sure both LAN ports are connected to the network.  Failover (Default settings for dual LAN NVR models): Failover refers to the capability of switching over the network transfer port to the redundant port automatically when the primary one fails to avoid network disconnection.
  • Page 61 Note: To optimize the network transfer speed of the NVR in the load balancing mode, use an Ethernet switch and enable 802.3ad (or link aggregation) on the switch ports that the NVR’s Gigabit LAN ports are connected to.
  • Page 62  Standalone: Assign different IP settings for each network port. The NVR can be accessed by different workgroups on two subnets. When load balancing is enabled, failover will not work. The DHCP server can only be enabled for the primary network port (LAN 1).
  • Page 63: System Time

    3.8.6 System Time Set the date, time, and time zone. If the settings are incorrect, the following problems may occur: Incorrect time stamps on the video files.  Incorrect time stamps on the event logs.  Synchronize with an Internet time server automatically Enable this option to update the date and time of the NVR automatically with an NTP (Network Time Protocol) server Enter the IP address or the domain name of the NTP server (for example, time.nist.gov or time.windows.com.)
  • Page 64: Smsc Settings

    To configure this feature, please set the alert level and specify SMTP server address, SMTP authorization credentials and email addresses of the recipients. To view the details of all the errors and warnings, go to “Logs & Statistics” > “System Event Logs”. Note: It is recommended to send a test email to make sure the mail server settings are configured correctly.
  • Page 65 After “Add SMS service provider” is selected, enter the name of the SMS provider and the URL template text. Note:  Please always follow the standard published by the SMS service provider to configure the SMS settings.  Please send a test SMS to verify that the settings are correct. Go to “Camera Settings”...
  • Page 66: Camera

    Camera Information of the cameras being controlled by the CMS is shown on this page. The information shown on this page includes the camera name, the NVR that the camera belongs to, IP address, model, and the live video. Recording settings and schedules of the cameras can also be managed on this page.
  • Page 67  Video compression: Select the compression format of the recording files.  Resolution: Select the recording resolution of the camera. The higher the resolution, the clearer the video will be, but the larger the hard disk space will be used. ...
  • Page 68 To create a recording schedule under the “Schedule” tab, specify the days and duration for recording and click “Add”. Note: When any changes have been made, an asterisk will appear on the tab. You will be prompted to save the changes when switching to a different tab. Note: By clicking “Apply to all”, the changes made will be applied to all cameras.
  • Page 69: Event Management

    3.10 Event Management The CMS Server can be set to receive NVR alerts (such as motion detection events or events triggered by alarm inputs). After checking these options, click “Save” to save the settings or “Undo” to go back to the previous step. Note: The alarm settings must be configured on the NVR first.
  • Page 71: View

    3.11 View The administrator can define the view layout in view configuration. After choosing a view layout, enter the name and description of the view. Click “OK” to confirm.
  • Page 73 Then, drag the cameras in the NVR list on the left to the channel window on the right. The E-map(s) can also be inserted.
  • Page 74 Double click the window to adjust the carousel order and interval, and edit the camera to be viewed. The live view supports the carousel function. In the description field of each layout, Server name and the order of each placed camera will be listed. Adjust the carousel order and interval, and preview the live video.
  • Page 75 Note: Drag an NVR to the blank channel window, and all the cameras of the chosen NVR will be played in the sequential mode in that channel window.
  • Page 76 Tip: Press and hold the “Shift” key and drag an NVR to a channel window, and its cameras will be inserted to each channel window one by one. If the number of the remaining channel window is less than the total number of cameras from the NVR, those additional cameras will not be added.
  • Page 77: E-Map

    3.12 E-map The E-map feature of the NVR is provided for users to upload electronic maps to the system to indicate the locations of the IP cameras. Users can drag and drop the camera icons* to the E-map and enable event alert to receive instant notification when an event occurs to the IP camera.
  • Page 78 Icons and Description Icon Description Add an E-map. Remove an E-map. Edit the name of an E-map. Batch-upload E-maps. Icon for a set of E-maps. Single-layer E-map: Click to select a single-layer E-map. When an E-map is selected, the icon will become An E-map symbol on the E-map.
  • Page 80: Adding E-Map

    3.12.1 Adding E-map To add an E-map to indicate the location of an IP camera, click to enable the Edit mode and enter the map name and description. Browse and select the image file for the map and click “OK”.
  • Page 81 To add an E-map under another E-map, e.g. 1F-1, click the E-map icon at the upper layer, e.g. 1F1029, and click . After adding a lower layer E-map, the E-map icon at the upper layer will change to Note: After a lower layer E-map is added, you will be automatically directed back to the upper layer E-map icon to add multiple E-maps for the same upper layer.
  • Page 82 Batch-uploading E-maps Click to batch-upload multiple E-maps to the CMS Server. Select the image files or directory on the left and click “OK” to upload the E-maps.
  • Page 83: Editing An E-Map Name

    3.12.2 Editing an E-map Name To edit an E-map name, select the E-map and click . Enter the new name and description, and click “OK”. To change the picutre of the E-map, re-upload the picture and then click “OK”. 3.12.3 Deleting E-map To delete an E-map, select the map icon , and click .
  • Page 84: Editing Ip Camera On E-Map

    3.12.4 Editing IP Camera on E-map After uploading the E-map and adding the cameras to the map, double click the IP camera icon to configure the cameras. The icon style and name, font color, background color, description, etc. can be set. Please use the “Remove”...
  • Page 85: User Management

    The following is the icon and description of the camera alert icon displayed on the E-map: Icon Description Camera alert. 3.13 User Management The CMS system provides secure user permission management. Two user categories are supported for this feature: role and group. For the role, appropriate permissions can be assigned for monitoring, playback, and system management functions, based on its positions and responsibilities.
  • Page 86: Role Management

    Note: To delete a user under Role/Group, please do so in the user list under each role/group and not on the user information page. 3.13.1 Role Management Assign users to their role based on their responsibility and specify permissions for their role on this page.
  • Page 87 Creating a new role To create a new role, click Enter a name for the role and copy the permission attributes, such as accessing/editing the NVR, camera, display mode and E-map permissions, of the existing roles. Click “Finish” to save the changes. Deleting a role To delete a role, select the role on the list to the left and click Note: A role cannot be deleted unless all users under that role are deleted.
  • Page 88 Creating new user(s) under the role Select a role and click “Add User”.
  • Page 89 Enter all the fields in the User Management Wizard and the new user will appear under its perspective role.  Username: The user name must be 1 to 32 characters in length. It supports alphabets (A-Z), numbers (0-9), and underscores (_). It is case-insensitive and supports double-byte characters, such as Chinese, Japanese, and Korean but cannot be a pure number or contain the following characters: "...
  • Page 90 Adding an existing user to the role To quickly add existing users to a different role, simply choose a role, click “Add User to Role” and click “OK”. Newly added users will be listed in the User Management Wizard. Click “Finish” to save the changes.
  • Page 91 Editing an user Select a user and click “Edit User”.
  • Page 92 Edit user information and click “Finish”. Note: Due to security and safety concerns, the Password and Retype Password fields will be cleared each time the user password is edited.
  • Page 93 Deleting an user/remove an user from a role To delete a user, please select the role first. Select the user from the list to the right and click “Delete User”. The chosen user account under the role will be deleted permanently from the system. Please note that the “Remove User from Role”...
  • Page 94 Configuring role permissions Select “Role" and the information of all users under that role will be shown. You can set the access rights of the role under the “Access” tab. Access right (Administrator) Description Ability to configure License, Server, Camera, Event System Operation Management.
  • Page 95 Access right (Client) Description Ability to see the camera live view and Input Device Live View/Information list. Live View/Camera Control Ability to control camera panels. Ability to use quick/detail bookmarks on the live view Live View/Bookmark page. Ability to watch view and control event logs on live Live View/Event Log view page.
  • Page 96 Access This page includes two categories: administrator and client access. Each category is organized and presented in a treeview (click the “+” sign or “-” sign before an item to collapse or expand for more items.) Also, the access right for each application can be configured for the role..
  • Page 97 Device Configure the access rights of the NVRs or the cameras for each role on this page. The available options include sound output/input, recording, PTZ control, manual recording and snapshot. Click “Save” to apply the changes or select “Undo” to return to the previous step.
  • Page 98 View Configure the view layouts for each role on this page (this feature is for administrators only.) Click “Save” to apply the changes made on this page or select “Undo” to return to the previous step.
  • Page 99 E-map Assign the rights of each right to edit and use E-maps on this page (this feature is for administrators only). Click “Save” to save the changes made on this page or select “Undo” to return to the previous step.
  • Page 100: Group Management

    3.13.2 Group Management This feature is used to classify the users for efficient user management. Note: The same CMS users can be assigned both to a Role and Group. Therefore, one user can have both role and group properties. Adding a group .
  • Page 101 After all the fields in the User Management Wizard are complete, the newly created user will be listed under its perspective group under the “Group” tab.  Username: The user name must be 1 to 32 characters in length. It supports alphabets (A-Z), numbers (0-9), and underscores (_).
  • Page 102 Deleting a group To delete a group, select the group on the left, and click Adding the existing user(s) to a group To quickly add the existing users to the different groups, click “Add User to group”.
  • Page 103 Users already created for the group will be listed. Click “Finish” after making your selection. Editing an user Select a user and click “Edit User”.
  • Page 104 Modify user information and click “Finish”. Note: Due to security and safety concerns, the Password and Retype Password fields will be cleared each time the user password is edited.
  • Page 105 Deleting an user To delete a user, select the role and the user, then click “Delete User”. The account will be permanently deleted from the system after the user is deleted. Removing an user from a group To remove a user from a group, select the user and click “Remove User from Group”. Note: The “Removing User from Group”...
  • Page 106: User List

    3.13.3 User List To check the users within a group or role, please click the role or group under the “Role” or “Group” tab and all user accounts and their details, including the name, role/group that it belongs to, phone number, email, and description, will be listed on the right side of the page.
  • Page 107: Cms Server Settings

    3.14 CMS Server Settings 3.14.1 Domain Security The domain security feature is designed for the CMS Server to join the Active Directory (AD) and Lightweight Directory Access Protocol (LDAP) directory and for AD and LDAP users to access the CMS Server. Go to the “CMS Server Settings” page to set up the domain security. There are three options available: ...
  • Page 108  Active Directory authentication (domain member): Select this option to join the CMS Server to an AD domain. Enter all fields and choose to enable the RADIUS service. After joining the CMS Server to an AD domain, the AD users can log into the CMS Server.
  • Page 109  LDAP authentication (LDAP client): Select this option to connect the CMS Server to an LDAP directory. Enter all fields (refer to the following table for explanations on each field) and choose to enable the RADIUS service. After the CMS Server is connected to the LDAP directory, either the local users or the LDAP users can be authenticated to access the CMS Server.
  • Page 110 applied, users will be prompted to choose between “Local” and “LDAP Domain Name” in the “login to” field on the of login screen. Field Description Select the type of Choose the LDAP server domain you want to access.
  • Page 111: Live View

    LDAP Server LDAP Server Host The LDAP server host or IP. LDAP Security Specify how the NAS will communicate with the LDAP server: - ldap:// = Use a standard LDAP connection (default port: 389). - ldap:// (ldap + SSL) = Use an encrypted connection with SSL (default port: 686).
  • Page 112 Pause Sequential Configuration Playback Logout About Mode Reload Multi-monitor Mode Monitoring Window Input Device list (cameras, E-maps, or views) PTZ Camera Control Panel (PTZ, bookmarks, and other camera related functions) Client PC Status Panel Note: The Client PC Status Panel at the bottom left shows the date and time, and the memory and CPU usage of the client PC.
  • Page 113 When an alarm is triggered by a camera and the CMS will enter the alert mode. There are two kinds of alert presentations in the alert mode: 1) if the live view is displayed on the Monitoring Window, the alarm button on the top right corner of the screen will start to flash. When this happens, users can click this alarm button to view the system logs;...
  • Page 115 Pause all cameras running in the sequential mode at any time in order not to miss any event. Reload the page. Shows the CMS Client version and website address of QNAP Security. Logout the CMS Client. When an alarm is triggered, this icon will flash, and users can click this button to enter the alarm mode.
  • Page 116 Note:  Enabling or disabling manual recording will not affect scheduled or alarm recording. They are independent processes. By default, the snapshots are saved in “My Documents” or “Documents”> “Snapshots”  (in Windows.)  If the snapshot time is inconsistent with the actual time that the snapshot is taken, it is caused by the network environment and not a system error.
  • Page 117: Live View Page

    3.15.1 Live View Page After correctly setting the channel layout, the live videos of the IP camera will be shown on the live view page. Click the monitoring page to use the features supported. Please note that the PTZ camera control panel at bottom left side of the screen can only be used after a channel is selected from the monitoring page (The frame of the channel will turn into the orange color, and the channel selected will become an active channel.) Camera Status...
  • Page 118 The frequently viewed channels can be dragged to the main toolbar as shortcuts. To delete a shortcut, right click the shortcut and select “Delete Shortcut”. Note: A maximum of five shortcuts are supported on the main toolbar (including camera live view and E-maps.)
  • Page 119 Icons and description of main toolbar: ICON Description Single-channel view 4-channel view (2x2) 6-channel view (1+1+4) 6 channel view (1+5) 8-channel view (1+7) 9-channel view (3x3) 10-channel view (2+8) 12 channel view 13-channel view (1+12) 16-channel view (4x4) 25-channels view (5x5) 36-channels view (6x6) 49-channels view (7x7) 64-channels view (8x8)
  • Page 120: Bookmark

    3.15.2 Bookmark The CMS Client provides quick and detailed bookmarks to review the snapshot of a channel on the live video page.  Quick bookmark : Select a live view channel and click...
  • Page 121  Detailed bookmark : To edit the content of a bookmark, select a live view channel and click . Enter the title and description. To review bookmarks, follow the steps below: Click the playback button on the monitoring or management page. Click the bookmark to view the content.
  • Page 122 Note: When several bookmarks are set in less than two minutes, they will be grouped and sorted by time for easy search.
  • Page 123: Ptz Camera Control

    3.15.3 PTZ Camera Control The term “PTZ” stands for “Pan/Tilt/Zoom”. Use the PTZ Camera Control Panel in the CMS to adjust the viewing angle of an IP camera that supports PTZ controls. Support for PTZ controls vary depending on the camera models. Please refer to the user manual of your IP cameras for more information.
  • Page 124: Auto Cruising

    Fit image to window/Keep the aspect ratio (Apply to all): Fit the live view channel to its window or keep the aspect ratio for all channels on the Live View Screen. Digital Zoom: Select an IP camera and click this button to enable digital zoom.
  • Page 125 To use the auto cruising feature, follow the steps below: 1. Right click the PTZ camera channel on the live view page. Select “Auto Cruising” > “Settings”.
  • Page 126 View the preset position of a camera: 3. Add a preset point: To add a preset position for auto cruising, select a “Preset Name” from the drop-down menu and enter the staying time (interval, in seconds). Click “Add”.
  • Page 127 4. Update a preset position: To change a setting on the list, highlight the selection. Select another preset position from the drop-down menu and change the staying time (interval). Click “Update”. 5. Delete: To delete a setting, highlight a selection on the list and click “Delete”. To delete more than one settings, press and hold the Ctrl key on your keyboard and select the settings.
  • Page 128: Alarm Mode (Alarm List & Event Logs)

    Note:  The default staying time (interval) of the preset position is 5 seconds. Enter 5–9999 seconds for this setting.  The system supports up to 10 preset positions (the first 10) configured on the PTZ cameras. Up to 20 auto cruising settings can be configured. In other words, a maximum of 10 selections on the drop-down menu and 20 settings on the auto cruising list are supported.
  • Page 129 When an alarm is triggered, move the mouse cursor to the icon and the alarm information will be displayed. Double click the camera symbol to open the Instant Camera Viewing Popup Window and click the stop symbol to clear the alarm record. Double click the camera icon and a live window for the camera will pop up.
  • Page 130: E-Map

    The content of an event log inludes the alarm event level, device (NVR) name, camera name, date and time an event occurs, and alarm details. Note: The alarm list can be turned off, and so, to review an event, it is advised to check its recording files for more details...
  • Page 131 Note: For more information on uploading E-maps, E-map related settings, and the camera icon settings on the E-map, please refer to Chapter 5.8. An E-map provides the tooltip on camera information. Double click the camera icon to open the live view popup window, drag and move the window, or adjust the screen size. Note: A maximum of 5 live view popup windows can be opened on the E-map at the same time.
  • Page 132 In addition to the live view popup window feature, multiple E-maps can be linked and grouped together. Double click an E-map icon on the E-map to open another E-map. Please note that the E-map icon serves as a link. So, users can inter-link different E-maps to quickly switch between them.
  • Page 133: Multi-Monitor Mode

    After a camera alarm is triggered on the NVR, the alarm information will be shown. E-map icons and description: Icon Description Multi-layer E-map: This icon shows that there are several layers in the E-map. Click the icon to enter the next layer in the E-map group. Single-layer E-map: Click to select a single-layer E-map.
  • Page 134 The system will automatically retrieve the screen settings of the operating system. To identify the screen, click “Identify”. Next, specify the screen function from the drop-down menu and the options include: None (do not display), Live view, and E-map. The following shows an example of the Multi-monitor mode (Live View screen on the first monitor and E-map on the second monitor.)
  • Page 135: Playback

    3.16 Playback Using the CMS Client, you can playback recording files of a NVR on the playback page. 3.16.1 Video Playback Page To switch to the Video Playback page, click the playback button on the monitoring or management page. You can search and play the recording files on multiple NVR servers. To return to the live view page, click .
  • Page 136 The icons and description of the video playback page are shown as below: Icon Description Single channel playback view. 4-channel playback view. 9-channel playback view. 16-channel playback view. Export video: Export a video clip by entering the time interval of the playback. Audio (optional): Enable or disable the audio function.
  • Page 137 Detailed bookmark: Enter the bookmark details of an instant image of the camera. Play/pause a video. Stop. Reverse playback. Decelerate/Accelerate. Previous frame/Next frame.
  • Page 138 Playing recording files: Follow the steps below to play the recording files on a remote NVR server: 1. Select single-view or multi-view playback from the top. 2. Drag and drop a camera to the playback window.
  • Page 139 3. Set the playback interval. The interval cannot exceed 24 hours. 4. After setting the start and end time, the green bar(s), representing normal recording files, and the red bar(s), representing alarm recording files, will be shown on the timeline.
  • Page 140 5. Click or directly click on the timeline to playback the video. The NVR time for each channel is displayed on its respective screen. By default, the aspect ratio is kept for each camera. 6. Click the green parts of a timeline to view the camera image at the corresponding time point.
  • Page 141 Note:  The green parts on the timeline represent the intervals for round-the-clock recording files.  After a camera is dragged to the screen and its recording files are being played, that channel window is reserved only for that camera until the current playback process is stopped and the camera status light turns red.
  • Page 143: Multi-View Playback

    3.16.2 Multi-view Playback Playback recording files of a maximum of 16 IP cameras concurrently. By default, the multi-view playback time is synchronized.
  • Page 144 To playback each channel independently using the multi-view mode, click the synchronize button to cancel synchronization first. In asynchronous playback, the timeline can be adjusted to playback at different time for each channel respectively. Note: While switching to the asynchronous mode, you can independently playback each channel, but only within the same time interval.
  • Page 145 Note: Click to align the time stamps of all channels according to that of the active channel (the channel that is being selected). For instance, the time stamps of all channels played back are different in the figure above. After is clicked, the time stamps of all channels in the figure below will be aligned and played based on the channel four (the active channel.)
  • Page 146: Exporting Video File

    3.16.3 Exporting Video File Follow the instructions below to convert the NVR recording files to the AVI format and save them to the local computer. Note: The playback access rights of the IP camera need to be set before this feature can be used.
  • Page 147 3. Select the channel that you would like to export video files for and click (Export video file) on the panel. Note: Only green and red parts on the timeline can be selected to export video files.
  • Page 148 4. Enter the storage path and file name of the video file and click “Export”. You can watch the video in the preview window. The time it takes to export the files varies depending on computer performance.
  • Page 149: Chapter 4 Server Log

    Chapter 4 Server Log The CMS logs are divided into event logs, service logs, and system logs. Among them, the event logs are shown on the main monitoring page, and the remaining two types of logs are in the server logs/ configuration. Besides the logs on the main monitoring page, you can switch to the previous or next page and refresh the page to check other available logs.
  • Page 150: Service Log

    Service Log Click “Server Log” on the configuration page and then the “System Event” tab to list all service logs. Each record listed is recorded from the last login to the current login. The log content is the communications, including messages, warnings, and errors, between the CMS system applications and the PC, CMS Server, or other NVR devices For each record, its date and time, event level, username, IP address, device name, the log content and status are displayed from left the right.
  • Page 151: System Log

    System Log The second item of the system configuration is system logs. The recording range is the interval from the last login to the current login. The content is the content of the events occurring at the bottom level of the CMS system, or the problems occurring between the underlying system and other devices, such as system malfunctions.
  • Page 152: Nvr Event Log

    NVR Event Log As the name implies, NVR event logs are event logs associated with an NVR or IP cameras. Click “Server Log” on the configuration page and then the “NVR Event” tab to list all NVR event logs. Each record listed is recorded from the last login to the current login. For each record, its date and time, event level, username, IP address, device name (for now, the name will only be NVR or camera), the content of the event and status are displayed from left the right.
  • Page 153: Online User

    Online User To check on current online users, click “Server Log” on the configuration page and then the “ON-Line Users” tab. Click the “Previous”, “Next” and “Refresh” buttons at bottom right side of the screen to list other online users.
  • Page 154: Chapter 5 Cms Server Management

    Chapter 5 CMS Server Management General Setting 5.1.1 System Administration Enter the name of the CMS server. The system name supports a maximum of 14 characters and can be a combination of alphabets (a-z, A-Z), numbers (0-9), and dash (-). Space ( ), period (.), or pure number are not allowed.
  • Page 155 Synchronize with the time of your computer To synchronize the time of the CMS Server with the time of your computer, click “Update Now”. Synchronize with an Internet time server automatically Turn on this option to synchronize the date and time of the NAS automatically with an NTP (Network Time Protocol) server.
  • Page 156: Daylight Saving Time

    5.1.3 Daylight Saving Time If your region adopts daylight saving time (DST), turn on the option “Adjust system clock automatically for daylight saving time” and click “Apply”. The latest DST schedule of the time zone specified in the “Date and Time” section will be shown. The system time will be adjusted automatically according to the DST.
  • Page 157: Language

    5.1.4 Language Select the language the CMS uses to display the files and directories. Note: All the files and directories on the CMS will be created using Unicode encoding. If your PC does not support Unicode, select the language which is the same as the OS language of your PC in order to view the files and directories on the system properly.
  • Page 158: Network Setting

    This is known as multi-IP settings. When using the QNAP Finder to detect the CMS IP, the IP of the Ethernet 1 will be shown in LAN 1 only and the IP of the Ethernet 2 will be shown in LAN 2 only.
  • Page 159 Network Speed Select the network transfer rate according to the network environment to which the CMS Server is connected. Select auto negotiation and the system will adjust the transfer rate automatically. Obtain the IP address settings automatically via DHCP If the network supports DHCP, select this option and the CMS Server will obtain the IP address and network settings automatically.
  • Page 160: Ddns

    Note:  Do not enable DHCP server if there is already one on the local network to avoid IP address conflicts or network access errors.  The DHCP server option is available to Ethernet 1 only when both LAN ports of a dual LAN CMS Server are connected to the network and configured as standalone IP settings.
  • Page 161 The CMS supports the following DDNS providers: http://www.dyndns.com, http://update.ods.org, http://www.dhs.org, http://www.dyns.c x, http://www.3322.org, http://www.no-ip.com。...
  • Page 162: Ipv

    5.2.3 IPv6 The CMS supports IPv6 connectivity with “stateless” address configurations and RADVD (Router Advertisement Daemon) for IPv6, RFC 2461 to allow the hosts on the same subnet to acquire IPv6 addresses from the CMS automatically. To use this function, select the option “Enable IPv6” and click “Apply”. The CMS will restart. After the system restarts, login the IPv6 page again.
  • Page 163 IPv6 Auto Configuration If an IPv6 enabled router is available on the network, select this option to allow the CMS Server to acquire the IPv6 address and the configurations automatically. Use static IP address To use a static IP address, enter the IP address (e.g. 2001:bc95:1234:5678), prefix length (e.g.
  • Page 164: Power Management

    Power Management You can restart or shut down the CMS Server and specify the behavior of the CMS Server after a power recovery. Restart/Shutdown Restart or shut down the CMS Server immediately. If you try to restart or turn off the CMS Server from the web-based interface or the LCD panel (if available) when a remote replication job is in process, the CMS Server will prompt you to ignore the running replication job or not.
  • Page 165: Backup/Restore Settings

    When EuP is disabled, the power consumption of the CMS Server is slightly higher than 1W when the CMS Server is powered off. EuP is disabled by default so that you can use the functions Wake on LAN, AC power resumption settings properly. This feature is only supported by certain CMS Server models, please visit http://www.qnapsecurity.com/pro_detail_featurecms.asp?p_id=273 for details...
  • Page 166: System Log

    “Restore”. System Log 5.5.1 System Event Log The CMS Server can store 32,768 recent event logs, including warnings, errors, and information messages. If the CMS Server does not function correctly, refer to the event logs for troubleshooting. Tip: Right click a log to delete the record. To clear all the logs, click “Clear”. 5.5.2 System Connection Log The CMS Server can store 32,768 recent event logs, including warnings, errors, and information messages.
  • Page 167: On-Line User

    5.5.3 On-line User The information of the on-line users connecting to the CMS Server by networking services is shown on this page. Tip: Right click a log to disconnect the IP connection and block the IP. Firmware Update 5.6.1 Update Firmware by Web Administration Page...
  • Page 168 Follow the steps below to update firmware: Download the release notes of the firmware from the QNAP Security website http://www.qnapsecurity.com. Read the release notes carefully to make sure it is required to update the firmware.
  • Page 169: Update Firmware By Qnap Finder

    5.6.2 Update Firmware by QNAP Finder The CMS Server firmware can be updated by the QNAP Finder. Select a CMS Server model and choose “Update Firmware” from the “Tools” menu.
  • Page 170 Browse and select the firmware for the CMS Server. Click “Start” to update the system. Note: The CMS servers of the same model on the same LAN can be updated by the QNAP Finder at the same time. Administrator access is required for system update.
  • Page 171: Restoring To Factory Default

    Restoring to Factory Default To reset all the system settings to default, click “RESET” and then click “OK”. Caution: When “RESET” is pressed on this page, all the disk data, user accounts, network shares, and system settings will be cleared and restored to default. Always back up all the important data and system settings before resetting the CMS Server.
  • Page 172 Disk Configuration Single Disk Volume Each hard drive is used as a standalone disk. If a hard drive is damaged, all the data will be lost. RAID 0 Striping Disk Volume RAID 0 (striping disk) combines 2 or more hard drives into one larger volume.
  • Page 173 RAID 5 Disk Volume The data are striped across all the hard drives in a RAID 5 array. The parity information is distributed and stored across each hard drive. If a member hard drive fails, the array enters degraded mode. After installing a new hard drive to replace the failed one, the data can be rebuilt from other member drives that contain the parity...
  • Page 174: Raid Management

    RAID 10 Disk Volume RAID 10 combines four or more disks in a way that protects data against loss of non-adjacent disks. It provides security by mirroring all data on a secondary set of disks while using striping across each set of disks to speed up data transfers.
  • Page 175 The CMS Server supports HDD hot swapping. When a hard drive of a RAID configuration fails, the failed hard drive can be replaced by a new one immediately without shutting down the server, and the recording data can still be retained. However, if the hard drives are working properly and the recording is in process, do not swap the hard drives to avoid damages to the hard drives or the recording files.
  • Page 176: Hdd Smart

    5.8.3 HDD SMART Monitor the hard disk drives (HDD) health, temperature, and the usage status by HDD S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology). The following information of each hard drive on the CMS Server is available. Field Description Summary Display the hard drive S.M.A.R.T. summary and the latest test result. Hard disk Display the hard drive details, for example, model, serial number, HDD capacity.
  • Page 177  Encryption Key File: Upload the encryption file to the CMS Server to unlock the disk volume. The key can be downloaded from “Encryption Key Management” page after the disk volume has been unlocked successfully. Please note that the data encryption functions may not be available in accordance to the legislative restrictions of some countries.
  • Page 178 Select the hard drive(s) for creating the disk volume. In this example, we select to create a single drive. The procedure applies also to a RAID configuration. Select “Yes” for the “Encryption” option and enter the encryption settings. Then click “CREATE” to create the newly encrypted volume. Note that all the data on the selected drives will be DELETED! Please back up the data before creating the encrypted volume.
  • Page 179: System Status

    System Status 5.9.1 System Information You can view the system information such as CPU usage and memory on this page 5.9.2 Resource Monitor You can view the CPU usage, disk usage, and bandwidth transfer statistics of the CMS Server on this page.
  • Page 180 CPU Usage: This tab shows the CPU usage of the CMS Server. Memory Usage: This tab shows the memory usage of the CMS Server by real-time dynamic graph.
  • Page 181 Disk Usage: This tab shows the disk space usage of each disk volume and its network shares. Bandwidth Usage: This tab provides information about bandwidth transfer of each available LAN port of the CMS Server.
  • Page 182 Process: This tab shows information about the processes running on the CMS Server.
  • Page 183: Chapter 6 Troubleshooting

    Chapter 6 Troubleshooting 1. After quick installation of the CMS-2000 (CMS Server) and having entered the correct user name and password, the system showed the warning message “Network Failure: the server is not found on the network. Please check the server status.” Solution Please check the following: a) The hard drives are empty and do not contain any data.
  • Page 184 2. The CMS Client interface displays abnormally and does not show complete contents. Solution Please go to “Display” on Windows (“Control Panel” > “Appearance and Personalization” > “Display” > “Make it easier to read what’s on your screen”) and change the setting from “Medium - 125 %”...
  • Page 185 3. The live view page did not display. Solution Please check the following: a) The NVR and the IP camera are turned on and correctly connected to the network. b) The IP addresses of the CMS Server and NVR do not conflict with other devices on the same subnet.
  • Page 186 4. The live video is not clear or smooth sometimes. Solution The image quality may be restricted or interfered by the network traffic. Please use independent connections or avoid sharing the same connection with other network devices. 5. After login, the GUI (Graphic User Interface) looks abnormal in crushed shape (as the figure below).
  • Page 187 6. The E-map cannot be displayed correctly. Solution Please check the format of the uploading image files. Currently the CMS supports E-maps in JPEG, BMP, and PNG (not including translucent images) only.
  • Page 188 CMS Client to the list of allowed programs in the firewall.  Please check if the QNAP Finder program is closed. If the CMS Server and NVR are not found, click the “Auto Search” button to try again. ...
  • Page 189 8. Unable to find the CMS Server or any NVR by the CMS Client, but able to find by QNAP Finder. Solution Please close the QNAP Finder and run the CMS Client. The search function of the QNAP Finder is mutually exclusive with that of the CMS Client.
  • Page 190 9. The changes to the system configuration did not take effect. Solution After changing the settings on the configuration page, click “Apply” to save the changes; otherwise the settings will not be saved and will not take effect. 10. The CMS Client does not show the alarm information. Solution You have to configure the alarm settings in the NVR, and check the event management page in the CMS Client.
  • Page 191: Technical Support

    Technical Support QNAP Security provides dedicated online support and customer service via instant messenger. Please contact us by the following means: Online Support: http://www.qnapsecurity.com/onlinesupport.asp Forum: http://forum.qnapsecurity.com Technical Support in the USA and Canada: Email: q_supportus@qnap.com TEL: 909-595-2819 Address: 168 University Parkway Pomona, CA 91768-4300...
  • Page 192: Gnu - General Public License

    GNU - GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright © 2007 Free Software Foundation, Inc. <http://fsf.org/> Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The GNU General Public License is a free, copyleft license for software and other kinds of works.
  • Page 193 For the developers' and authors' protection, the GPL clearly explains that there is no warranty for this free software. For both users' and authors' sake, the GPL requires that modified versions be marked as changed, so that their problems will not be attributed erroneously to authors of previous versions.
  • Page 194 To “propagate” a work means to do anything with it that, without permission, would make you directly or secondarily liable for infringement under applicable copyright law, except executing it on a computer or modifying a private copy. Propagation includes copying, distribution (with or without modification), making available to the public, and in some countries other activities as well.
  • Page 195 work's System Libraries, or general-purpose tools or generally available free programs which are used unmodified in performing those activities but which are not part of the work. For example, Corresponding Source includes interface definition files associated with source files for the work, and the source code for shared libraries and dynamically linked subprograms that the work is specifically designed to require, such as by intimate data communication or control flow between those subprograms and other parts of the work.
  • Page 196 When you convey a covered work, you waive any legal power to forbid circumvention of technological measures to the extent such circumvention is effected by exercising rights under this License with respect to the covered work, and you disclaim any intention to limit operation or modification of the work as a means of enforcing, against the work's users, your or third parties' legal rights to forbid circumvention of technological measures.
  • Page 197 “aggregate” if the compilation and its resulting copyright are not used to limit the access or legal rights of the compilation's users beyond what the individual works permit. Inclusion of a covered work in an aggregate does not cause this License to apply to the other parts of the aggregate.
  • Page 198 code work. A “User Product” is either (1) a “consumer product”, which means any tangible personal property which is normally used for personal, family, or household purposes, or (2) anything designed or sold for incorporation into a dwelling. In determining whether a product is a consumer product, doubtful cases shall be resolved in favor of coverage.
  • Page 199 available to the public in source code form), and must require no special password or key for unpacking, reading or copying. 7. Additional Terms. “Additional permissions” are terms that supplement the terms of this License by making exceptions from one or more of its conditions. Additional permissions that are applicable to the entire Program shall be treated as though they were included in this License, to the extent that they are valid under applicable law.
  • Page 200 stating that it is governed by this License along with a term that is a further restriction, you may remove that term. If a license document contains a further restriction but permits relicensing or conveying under this License, you may add to a covered work material governed by the terms of that license document, provided that the further restriction does not survive such relicensing or conveying.
  • Page 201 peer-to-peer transmission to receive a copy likewise does not require acceptance. However, nothing other than this License grants you permission to propagate or modify any covered work. These actions infringe copyright if you do not accept this License. Therefore, by modifying or propagating a covered work, you indicate your acceptance of this License to do so.
  • Page 202 Each contributor grants you a non-exclusive, worldwide, royalty-free patent license under the contributor's essential patent claims, to make, use, sell, offer for sale, import and otherwise run, modify and propagate the contents of its contributor version. In the following three paragraphs, a “patent license” is any express agreement or commitment, however denominated, not to enforce a patent (such as an express permission to practice a patent or covenant not to sue for patent infringement).
  • Page 203 was granted, prior to 28 March 2007. Nothing in this License shall be construed as excluding or limiting any implied license or other defenses to infringement that may otherwise be available to you under applicable patent law. 12. No Surrender of Others' Freedom. If conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License.
  • Page 204 permanently authorizes you to choose that version for the Program. Later license versions may give you additional or different permissions. However, no additional obligations are imposed on any author or copyright holder as a result of your choosing to follow a later version. 15.

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