News
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How about a 4G wireless router? Which brand of 4G router is good?
The 4G router has built-in 4G communication module, plug in card and use, received 4G signal of the base station and converted into shared WiFi, up to 50Mbps uplink and 150Mbps downlink, and has the advantages of much traffic, fast network speed, good signal, less cost, full network and strong ne...Read more -
CF FIBERLINK Participated in the compilation of the Technical Requirements of Internet of Things System for Fire Protection Facilities in Shenzhen city
【https://www.cffiberlink.com/ethernet-switch-products/】 In recent years, with the construction of smart city, the development of fire protection industry has entered a new stage of development. Among them, the construction of the Internet of Things system for fire fighting facilities is the bas...Read more -
How does a PoE switch provide PoE power
How does a PoE switch provide PoE power? PoE power supply principle overview The principle of PoE power supply is actually very simple. The following takes a PoE switch as an example to explain in detail the working principle of a PoE switch, the PoE power supply method and its transmission dista...Read more -
CF Fiberlink Gigabit 2 light 4 electric weak three-layer network tube type industrial switch CF-HY2004GV-SFP strong attack!!
CF-HY2004GV-SFP switch is a new generation of weak three-layer network tube industrial switch independently developed by Changfei Optoelectronics Technology Co., LTD. (hereinafter referred to as Changyou Optoelectronics). Suitable for large projects such as power grid, chemical industry and oil. ...Read more -
Which power supply is 1236 and 4578 in the POE switch? And the choice of power supply distance!
A friend asked whether you can use the telephone line to connect the POE or use the four cores of the network wire to do the crystal head, many friends are confused is the network cable 1236 and 4578 which power supply? We have also sent a similar article on this question, today we come again to ...Read more -
CF Fiberlink’s new CF-HY8008G-SFP Gigabit industrial-grade managed switch is coming
[https://www.cffiberlink.com/cf-hy808gw-sfp-management-industrial-switch-product/] Hello everyone, today,let take you to understand how good the new CF-HY8008G-SFP industrial management switch is, whether in the HY8000 series belongs to the first brother!ha-ha! So nonsense not to say, immediately...Read more -
Today,CF Fiberlink will talk about the four major indicators for measuring network performance: bandwidth, delay, jitter, and packet loss.
How do customers need us to evaluate the performance of a network, and we can evaluate it from these four aspects. 1. Bandwidth : Bandwidth is defined in Baidu Encyclopedia: the “highest data rate” that can pass from one point in the network to another point per unit of time. The ba...Read more -
The role of fiber optic transceivers
[https://www.cffiberlink.com/fiber-transceiver/] ①The optical fiber transceiver can extend the Ethernet transmission distance and expand the Ethernet coverage radius. ②The optical fiber transceiver can convert between 10M, 100M or 1000M Ethernet electrical interface and optical interface. ③ The u...Read more -
7 common problems of POE power supply, it is no longer difficult to figure out poe
【https://www.cffiberlink.com/poe-switch/】 In recent years, the development of PoE power supply technology, from 100M to Gigabit, to full Gigabit, the development momentum of PoE power supply technology is getting stronger and stronger. With a series of advantages such as simplifying the install...Read more -
How to solve these six major problems encountered in the process of optical fiber fusion?
In this issue, we talk about several common problems in the process of splicing optical fibers, hoping to help you a little. 【https://www.cffiberlink.com/fiber-transceiver/】 1. There are bubbles or cracks in the contacts during welding In this case, the fiber may be poorly cut, such as the end...Read more -
Summary of the five advantages of PoE power supply switch
（https://www.cffiberlink.com/poe-switch) As we all know, electrical equipment can only work after power supply, and some various equipment based on IP network also need power supply, such as routers, cameras, etc., of course, since the PoE power supply technology, IP network equipment has anoth...Read more -
What does 4K Ultra HD mean How to distinguish between pixels and 720P, 1080P resolution
Friends who are engaged in cctv complain that today’s customers are spoiled by advertisements, saying whether the monitors and splicing screens are 4K, do you have 1080P resolution for the monitoring images? Friends will frown and tell each other: Yes, but expensive, do you want it? Of cour...Read more
