User Manual
Table Of Contents
- Chapter 1 Product overview
- Chapter 2 Installation
- Chapter 3 Getting started
- Chapter 4 Operating instructions
- Chapter 5 Live view
- Chapter 6 Controlling a PTZ camera
- Chapter 7 Playing back a recording
- Overview of the playback window
- Playback pop-up menu
- Instant playback
- All-day playback
- Playback skip time
- Searching recorded video
- Playing back recordings by time and video type
- Playing back recordings by event
- Creating and playing back bookmarked recordings
- Slideshow of snapshots
- Playing back recordings from the system log
- Playing back frame-by-frame
- Digital zoom in playback
- Chapter 8 Archiving recorded files
- Chapter 9 Using the web browser
- Windows 7 and 8 users
- Accessing the web browser
- Web browser overview
- Using the web browser to configure the device
- Searching and playing back recorded video
- Searching for event logs
- Recording from the browser
- Dual stream recording
- Controlling a PTZ dome camera in the web browser
- Capturing text insertions
- Text overlay
- Using a network storage system
- Chapter 10 Recording
- Chapter 11 Alarm settings
- Chapter 12 Network settings
- Configuring general network settings
- Configuring an NTP server
- Configuring e-mail
- Configuring SNMP
- Configuring UPnP
- Configuring an FTP server to store snapshots
- Configuring a remote alarm host
- Configuring multicast
- Configuring the server and HTTP ports
- Configuring the RTSP service port
- Telnet set up
- Checking network status
- Exporting network packet data
- Port forwarding
- Chapter 13 Storage management
- Chapter 14 Camera settings
- Chapter 15 Recorder management
- Chapter 16 User management
- Appendix A Specifications
- Appendix B PTZ protocols
- Appendix C Port forwarding information
- Appendix D KTD-405 keypad
- Appendix E Maximum pre-recording times
- Appendix F Supported PTZ commands
- Appendix G Default menu settings
- Index
Chapter 2: Installation
TruVision NVR 21(S/P) User Manual 7
Figure 3: Star wiring with RS-485 signal distributor
Correct:
1. Keypad
2. I/O box
3. RS-485 distributor
4. See section “RS-485 ports” on page 8
Incorrect:
1. Keypad
2. I/O box
3. See section “RS-485 ports” on page 8
Use an RS-485 signal distributor to increase the maximum number of devices on the
bus as well as the total range. Each distributor output provides another RS-485 bus,
extending the output an additional 1200 m. Up to 31 recorders can be connected to
each output. See Figure 4 below.
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