Transmission distance Network Camera

Transmission distance Network Camera
Most of the works in the IP Camera wiring installation process will encounter the problem of the transmission distance of a Network Camera, IP Camera can be used in the more recent transmission easiest cable transmission, but, if the distance is relatively distant Network Cameras should how to solve the transmission problem for everyone by the the Weishi dotcom technical staff made a detailed analysis.
IP Camera, and are based on the network cable (twisted pair) transmission mode, currently on the market the most common network cable over Category 5 twisted-pair, the following are to informal vendors GB ultra Category 5 twisted pair as the discussion (AMP , a Dan, the Far East, Southeast Asia and other brands).
Due to the limitations of the network cable (twisted pair), the specification requirements twisted pair transmission distance of 100 meters. Therefore, in the actual use of network cable connection, cable line transmission distance should not exceed 100 meters.
The cable can be conducted through the switch, such as expansion of the transmission distance, network transmission can also use optical fiber, such as long-distance transmission. For Network Camera, the transmission distance is no limit, theoretically infinite distance transmission can be done.
100 meters above the network transmission scheme
However, in actual use, often encounter a distance of over 100 meters, cable transmission, what solution it? Fiber transmission can solve the problem of direct long-distance transmission, but because of its high cost, high technical requirements, is not practical, the following will not be discussed.
1, the use of switches to extend
Add a switch in the middle of the transferred every 90-100 meters, cable transmission distance increases. Here refers to the switch with network relay switches, switches available in the market below $ 50 regular manufacturers generally without this network repeater function can not be used to achieve a transmission distance increases.
This method is generally 3-4 switches can increase network transmission distance to 400 meters.
But this way, due to the increase in the middle of the switch, and the switch requires power, might cause the construction inconvenience.
2, using the Network Extender to extend.
Network Extender, also known as cable extender. One can extend the transmission distance of the cable equipment, transmitting and receiving ends.
Using the network extender cable transmission distance can be increased to 300-700 meters.
The network extends the transmission and reception are at both ends of the network cable, and both ends of the normal circumstances has a power, and thus in this way under certain conditions than the use of the switch is more practical.
3, using a wireless bridge to connect
Using a wireless connection (general said wireless bridge, wireless microwave belong to this), how far transmission distance depends on the selection of equipment, wireless bridge device is supported by more than 4-5 km.
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