Nowadays, video surveillance systems have become one of the indispensable infrastructures in all walks of life. With the popularization of high-definition and intelligent applications of video surveillance cameras, the requirements for video transmission signal quality, stream bandwidth and transmission distance have been improved.
Walsun will introduce to you today the use of PoE media converter and related equipment to build a remote fiber optic monitoring system.
Before introducing the video surveillance system, we must first understand the PoE media converter. It is mainly used in two types of networks: Gigabit Ethernet and 100M Ethernet, which can support two power supply modes: PoE (15.4 Watts) and PoE+ (25.5 Watts).
Common PoE media converter on the market are usually configured with 1 RJ45 interface and 1 SFP interface, and other PoE media converter will be equipped with duplex RJ45 interfaces and duplex optical interfaces, supporting the use of fixed optical connectors or SFP optical modules.
PoE media converter meet the needs of long-distance, high-speed, high-bandwidth Gigabit Ethernet and 100M Ethernet working group users, and can be widely used in various data communication fields such as security monitoring, conference systems, and intelligent building projects.
Next, Walsun will introduce the network video surveillance system construction solution. First, we need to prepare cameras, POE network cables, PoE media converter, SFP optical modules, optical fiber jumpers, switches, Cat5e network cables, Monitor hard disk video recorder, VGA data cable, video monitor. The specific connection method is shown in the following diagram of the monitoring system.
In order to remove everyone’s blind spot on the equipment, the following is a simple introduction to the use of related equipment.
1. The NVR hard disk video recorder mainly plays the role of video storage;
2. The switch plays the role of connecting multiple terminal devices and realizing network intercommunication;
3. The function of the optical module is to convert the photoelectric signal, and the optical fiber patch cord is to transmit the optical signal.
4. The PoE optical fiber transceiver has the function of power over Ethernet (PoE), which acts as a transmission relay. The optical port can be connected to a remote switch with an optical module and an optical fiber patch cord, and the network port can be connected to the camera through a network cable, which can be used for both data transmission and power supply, saving the trouble of installing a power cord separately;
5. The main function of surveillance cameras is video recording.
The use of media converter in the network video surveillance system can extend the signal transmission distance while ensuring high-quality images, which will save more manpower, time and costs for network upgrades.
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