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DVR
2. Audio parameters
9. Serial interface: Support RS485 (half-duplex/full-duplex), support network transparent connection, support serial keyboard
10. Operation method: Multi-function IR remote control (Can also control though Front-panel), USB mouse, COM keyboard
11. Backup interface: USB2.0 interface
12. Network port: RJ45 10M/100M/1000M Ethernet Interface
13. Power supply: 220
±
30% V, 50
±
3% HZ, 110
±
20% V, 60
±
3% HZ
Alarm input: Alarm input support normal on/off
Alarm output: Normal on, relay output
3. Video compression: Compression arithmetic H.264, support the maximum resolution 720p: 1280*720 30 fps/ch
4. Audio compression: Compression arithmetic G.711A, Audio sampling rate 8K sample/sec., 16 bit/sample
5. Code stream type: VBR/CBR
6. Operation System: Linux
7. HDD interface: support 48bit LBA working mode
8. Alarm interface
Analog audio input: RCA interface port, input resistance: 10K , input extent: Vp-p=2.0V LINE
Audio output: RCA interface, input resistance: 10K , input extent: Vp-p=2.0V LINE
Voice chat: Input multiplexes with 1st audio input channel, (RCA interface port, input resistance: 10K , input extent: Vp-p=2.0V LINE)
Ω
Ω
Ω