User Manual
Table Of Contents
- Chapter 1 Introduction
- Chapter 2 Getting Started
- 2.1 Device Startup and Activation
- 2.2 Using Wizard for Basic Configuration
- 2.3 Adding and Connecting the IP Cameras
- Chapter 3 Live View
- Chapter 4 PTZ Controls
- Chapter 5 Recording and Capture Settings
- 5.1 Configuring Parameters
- 5.2 Configuring Recording and Capture Schedule
- 5.3 Configuring Motion Detection Recording and Capture
- 5.4 Configuring Alarm Triggered Recording and Capture
- 5.5 Configuring VCA Event Recording
- 5.6 Manual Recording and Continuous Capture
- 5.7 Configuring Holiday Recording and Capture
- 5.8 Configuring Redundant Recording and Capture
- 5.9 Configuring HDD Group for Recording and Capture
- 5.10 Files Protection
- Chapter 6 Playback
- 6.1 Playing Back Record Files
- 6.2 Auxiliary Functions of Playback
- Chapter 7 Backup
- Chapter 8 Alarm Settings
- Chapter 9 POS Configuration
- Chapter 10 VCA Alarm
- 10.1 Face Detection
- 10.2 Vehicle Detection
- 10.3 Line Crossing Detection
- 10.4 Intrusion Detection
- 10.5 Region Entrance Detection
- 10.6 Region Exiting Detection
- 10.7 Unattended Baggage Detection
- 10.8 Object Removal Detection
- 10.9 Audio Exception Detection
- 10.10 Sudden Scene Change Detection
- 10.11 Defocus Detection
- 10.12 PIR Alarm
- Chapter 11 VCA Search
- Chapter 12 Network Settings
- Chapter 13 RAID
- Chapter 14 HDD Management
- Chapter 15 Camera Settings
- Chapter 16 NVR Management and Maintenance
- Chapter 17 Others
- Chapter 18 Appendix
Network Video Recorder User Manual
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7.3 Hot Spare Device Backup
Purpose:
The device can form an N+1 hot spare system. The system consists of several working devices and a
hot spare device; when the working device fails, the hot spare device switches into operation, thus
increasing the reliability of the system.
Please contact dealer for details of models which support the hot spare function.
Before you start:
At least 2 devices are online.
A bidirectional connection shown in the figure below is required to be built between the hot spare
device and each working device.
Set a hot spare
device
Add a hot spare
device on normal
device
Add the normal
device on the hot
spare device
Start Finish
Figure 7-13 Building Hot Spare System
7.3.2 Setting Hot Spare Device
The camera connection will be disabled when the device works in the hot spare mode.
It’s highly recommended to restore the defaults of the device after switching the working
mode of the hot spare device to normal mode to ensure the normal operation afterwards.
Step 1 Enter the Hot Spare settings interface.
Menu > Configuration > Hot Spare
Step 2 Set the Work Mode as Hot Spare Mode and click the Apply button to confirm the settings.
Step 3 Reboot the device to make the change take effect.