Ethernet power supply system is referred to as POE power supply, which consists of Ethernet power supply equipment and Ethernet power equipment. It can transmit data and provide DC power supply to client equipment only through one Ethernet cable, without the need for additional wiring.Gigabit POE Switches are divided into managed and non-managed POE switches ,non-standard POE switches which do not meet the IEEE802.3af/at. and also it has indoor series and outdoor series with 10/100/1000M input and output port.
Features:
1. Can recognize the impedance of the signal. When an input voltage is applied to the device, it must be roughly identified within the defined voltage range. When an ethernet power device pleads for power supply, it first sends out the voltage signal of 2.5V~10V to Ethernet. After detecting the voltage signal, the power facility puts a 23750 ohmic resistor on the power supply circuit, and the current changes with the input voltage. By detecting the current, it is confirmed that there is an effective Ethernet power supply at the Ethernet cable terminal. If the arranged resistance value is in the area of 26250 / 45000 ohms, it is considered that the ethernet equipment is effective but does not need to supply power. Resistive values of other sizes mean that the detected ethernet equipment is useful.
2. Type. Electricity is equipped with a type of gap, each type corresponding to not a certain current. Analogy, the "0" class of electricity is equipped with a current of 0.5 Ma 4 Ma. When an effective signal is detected by a power supply, it is classified. The specific method is to lift the voltage to 15.5V or 20.5V on the Internet link, so that the Ethernet power equipment loses a static current, and then completes the classification of the power facilities according to the current scale.
3. Open coherent connection. There are two kinds of switches connected to Ethernet power supply (Poe power supply), one is bipolar crystal switch, which has high utility and low capital, and the other is MOSFET switch, which has extremely high power performance and can be close to 100th.
Application:
Suitable for different Ethernet devices such as: IP phone, network security camera, PDA, mobile phone charger, card reader, etc.
Product images:
POE Switches Unmanaged POE Switch,POE Switches,Smart POE Switch,Network Switch POE Guangdong Steady Technology Co.LTD , https://www.steadysmps.com
In the aforementioned equity transfer process, the transferor used 70% of the transfer amount of the 350 million yuan acquired (corresponding to 245 million yuan) to purchase the controlling shareholder and the actual controller Li Jun. Company shares.
The above acquisition is conducive to the company's national layout of the lighting sector business. After the company acquired Jinda Lighting in 2014, the Liede Group's market share in the LED lighting engineering sector has achieved explosive growth. Jinda Lighting has won the bid and is implementing the target amount of 277 million yuan. The Shore City Light Show has become a new benchmark for urban landscape lighting.
At present, the national urban landscape lighting industry is expected to be in the high-speed growth period in the past three to five years, the overall market size will exceed 100 billion yuan, and the company has formed a considerable market first-mover advantage in this field, and the urban tourism of the Liard Group. The business sector formed a good synergy.
However, the industry is currently strong in regional and business scattered. Jinda Lighting currently has a certain market share only in the South. However, Zhongtian Lighting is the leading enterprise in the landscape lighting business in Shanghai.
The company's acquisition of 100% equity of Zhongtian Lighting can optimize the company's business layout in urban landscape lighting. Based on Shanghai, it will greatly enhance the market share of the company's lighting engineering business in East China, which is beneficial to the company's lighting engineering business. National integration will enhance the overall competitiveness of the business segment and form an absolute competitive advantage, further enhancing the revenue scale and net profit level of the company's lighting segment.
At the same time, the company said that the acquisition is also conducive to the comprehensive development of the Liard Group's business in the East China region. Prior to this acquisition, the company implemented a number of strategic cooperation in the integration of culture and technology, and formed a large advantage in audio-visual product development, production and customer resources.
After the completion of the acquisition, Liard is based on Zhongtian Lighting, which can help the company gradually realize the layout of the grid format market in East China, and then build the Liede Group East China Comprehensive Base, which integrates the members of the Liard Group in the East China region. Sales, procurement, production, and R&D resources have boosted the existing business of the Group's member companies. 
Liard: plans to acquire 350% of Zhongtian Lighting's 100% stake
On June 29, Liard (300296) announced in the evening that the company intends to acquire 100% equity of Zhongtian Lighting held by Jingsheng Business and Runying Business in cash of RMB 350 million.