fiber to the home"The current network uses optical fiber", this sentence is correct, but it is only fiber to the home. Fibers have lower losses when transmitting signals over long distances. From the optical cat in our house to the operator's control room, all network signals are transmitted by opti

What is ROHS certification? RoHS certification is also called environmental protection certification, which is in line with European and American standards. It is the English abbreviation of The import of harmful heavy metals such as cadmium Cd, mercury Hg, hexavalent chromium Cr6+, polybrominated d

A PON is introduced1. What is PONPON (passive optical network) technology (including EPON and GPON) is the development of FTTx (fiber to the home) main implementation techniques, it can save the backbone fiber resources and network level, under the condition of long distance transmission can provide

Fiber optics are flexible, transparent fibers made of extruded glass or plastic, slightly thicker than a human hair. Optical fiber is the most common means of transmitting light at both ends and is widely used in optical fiber communication. Optical fiber has a longer transmission distance and hig

There are three types of set-top boxes: 1) one is a traditional set-top box operated by various radio and television operators (Beijing Gehua, Hangzhou Huashu, etc.); 2) the other is operated by telecom operators or other third parties; 3) The recently popular network TV set-top box, similar to Tele

In network maintenance, it is found that the cleanliness of the optical fiber end face is a very important factor in order to make the optical fiber jumper and the optical fiber coupler well connected, which directly affects the communication quality of the optical network. At present, in the daily

The new coronavirus epidemic has caused a lot of challenges to our foreign trade industry. How to respond objectively, rationally and properly to the impact of the epidemic on foreign trade will test every one of us in foreign trade. The real crisis is not external, the external demand has always b

Many people have seen the modem, and many people have only one modem at home, because some modem has its own routing function, they use the modem as a wireless router, but this greatly reduces the wireless network at home, you can't. Enjoy the good internet speed you deserve. Next, let's talk abo

With the development of computer and network technology, IT facilities such as servers and network communication equipment in data centers are developing in the direction of miniaturization, networking, and racking, which has brought new changes to the construction model of data centers. , and the c

The impact of the epidemic on foreign trade is already obvious. The first is the problem of containers. It is difficult to find a single container. It can be said that the current foreign trade environment is very realistic. The second is the issue of order shipments, and the third is the issue of o