Five common problems of high-definition network cameras and corresponding solutions

Surveillance equipment is now widespread, and surveillance cameras are installed in roads, public squares and other places. With a wide range and quantity, there will naturally be more problems. Among them, high-definition cameras often have uncertain drop-off problems, which brings a lot of trouble to users. The following is a detailed analysis of the five reasons for this problem and the corresponding solutions.

Reason 1: The centralized power supply method is adopted. The high-definition network camera has relatively higher requirements for the power adapter than the analog machine, and requires a more stable voltage and current. However, the centralized power supply will cause the voltage and current instability, which will cause some high-definition The network camera restarts or fails to start.

Solution: Change to a separate power supply mode and use a better power supply

Reason 2: The quality of the network cable is poor, and the high-definition video requires relatively high network transmission rate, so network packet loss will be very obvious, such as frequent disconnection, and severely no image at all.

Solution: Use national standard pure copper wire

Reason 3: The network cable distance between the HD network camera and the switch/or between the switch and the switch/or between the switch and the PC/NVR exceeds 100 meters.

Solution: You can add a switch with relay function in the middle of no more than 100 meters, or use optical fiber transmission.

Reason 4: There is a conflict between the IP addresses of the HD network camera and other network devices in the LAN.

Solution: Modify the IP address of the high-definition network camera or other network equipment to ensure that there is no conflict.

Reason 5: The bandwidth of the network switch is insufficient

Solution: If the number of high-definition network cameras is relatively large, it is recommended to use H3C's full Gigabit switch. Note: It is not only the central switch that uses Gigabit, that is, if the number of cameras involved in the front-end switch exceeds 7, it is also recommended to use Gigabit. of.