Explanation of four common problems in network monitoring engineering
1. How to solve the network monitoring project distance of more than 100 meters, is it possible to add a switch in the middle? The distance is not particularly far, I feel it is not cost-effective to use optical fiber!
Answer: The network monitoring system is more than 100 meters. It is possible to add a switch in the middle. However, it is recommended to use optical fiber in practice. The customer wants stability. There is nothing cost-effective!
2. I would like to inquire. The coaxial cable of the video output of the analog camera and the power cable are laid together. The video signal jumps and there are streaks. Is it because of electromagnetic interference? How to deal with such problems, thank you!
Answer: Yes, if the interference is not very strong, you can change the power supply with a filter to try, and then ground the video recorder end can usually solve the interference.
3. Hello, how do the surveillance camera and the monitoring room be 300 to 400 meters away?
Answer: It is recommended to add a fiber optic transceiver; you can also add a switch in the middle, but if you have a large number of probes, I do n’t think you are willing to add a switch. The level-one connection is not only troublesome, the cost is high, but also the maintenance and troubleshooting It's more complicated.
4. What is the daily storage space of a 1080P webcam?
A: 1080p high-definition video, the general code stream is set to 4M, the hard disk is 1800M per hour, and 1800X24 = 43G is required every day
5. Please ask: Only one core of the two-end optical cable is available. Can I use an optical splitter to divide into multiple cores and connect multiple optical transceivers?
- Explanation of four common problems in network monitoring engineering
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