
To help users understand Qihan' products and its benefits, we have provided a technology backgrounder covering a wide range of topics.
• Resolutions
• NTSC and PAL resolutions
• Megapixel resolutions
• HDTV
• About audio
• Audio applications
• Audio support and equipment
• Audio modes
• Audio detection alarm
• Audio compression
• Audio and video synchronization
• Local area network and Ethernet
• Types of Ethernet networks
• Switch
• Power over Ethernet
• Internet communication
• VLANs
• Quality of service
• Network security
• Wireless technologies
• 802.11 WLAN standards
• WLAN security
• Wireless bridges
• Bandwidth and storage considerations
• Server-based storage
• NAS and SAN
• Redundant storage
• System configurations