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Reflector and is abbreviated to OTDR (optical time domain reflectometer). A representative measurement curve is shown in Figure 4. A and D two strong echoes on the curve correspond to the reflection caused by the input and output faces of the fiber. The curve b point corresponds to a scattering echo caused by a fiber optic
, to meet the needs of Gigabit Ethernet applications. XG Fiber has a variety of types, including indoor, indoor/outdoor versatility, insect-resistant, etc., the core number of optical fiber from 4 to 48 cores. It also supports all applications based on the old multimode 50/125 micron Fiber, including supporting LED light sources and laser light sources. AMP XG Op
A Broadband Router is one of the most commonly used routes and has a large market demand. Here we will mainly explain that FTTH is the best choice for fiber-optic direct access to the home, including the current broadband routers that can perfectly support FTTH access solutions. As copper prices keep rising and the cost of optical cables keep decreasing, fiber-to
Because the network monitors the long-distance widespread need to use the optical fiber equipment, considers the customer to have the understanding optical fiber connection method The need, therefore below will briefly introduce the fiber optic cable, the terminal box, the tail fib
jack (RJ) latch mechanism. (Common routers) ⑤mt-rj Optical fiber jumper: Send and receive one square fiber connector, one double fiber transceiver ST, SC Connector connectors are commonly used in general networks. St head inserted after the rotation half a week has a card mouth fixed, the disadvantage is easy to break; SC connector plug directly, the use is
-optic access and ADSL access are the problems that must be considered by Internet cafes, ADSL is a little slower than optical fiber, but it is more stable. Therefore, the access method of ADSL is a suitable choice for Internet cafes. From the perspective of the cost and fee level of the access method: The initial cost of optical fiber access is relatively high.
and limited space; 2. Expensive melting machine and high construction costs; 3. Active construction, limited battery endurance; 4. Large Size and inconvenient carrying of Hot-melt equipment; 5. It takes a long time to separately connect FTTH terminals. Advantages of the quick connector: 1. simple operation, only one time for optical fiber stripping, fast constru
Now, the position of Optical Fiber Ethernet switches in the switching industry is becoming more and more important. Here we mainly introduce the comprehensive performance of Optical Fiber Ethernet switches. Because Fiber Optic Ethernet switches can provide high-speed and low-cost f
1. FTTH development at home and abroad The narrow-sense FTTH cable refers to the further extension of fiber to the user side, ITU believes that FTTH from the fiber-optic end of the photoelectric converter to the user no more than 200 meters, thereby eliminating the need to install an electronic access system in the metal, but not excluding photoelectric converte
During the establishment of a LAN, according to the general standards of Integrated Wiring, the construction should use a network cable with a "meter" or a special "shaped number tube" at the crystal head on both sides ", the computer identification records corresponding to the "meter mark" or "number tube" are recorded in the cabinet. Many units have a small number of computers. Later, some computers were added to form an inevitable lan. However, when the network was originally set up, the netw
can be done with the principle of tolerance, the complexity of up to 2 ^ 6; So the DP once complexity is probably the 50000 * (log50000 + 2^6);If you want to count 50 points, it will still time out;But this is a tree, for each point is DP once a lot of repetitive things, so we do not go to all DP once, for example, to calculate the I point, to calculate the J point, assuming I j adjacent, then in the DP array only the values of I and J have chan
Whether in Wuzhou set up optical fiber or in the Taiping set up ADSL dial-up internet every time you set up the Internet all the time is encountered various troubles ... This time again to get n long, each problem is different. Summary of the operation process, easy to later encounter problems back to query from a micr
If your home is dial-up Internet users, even if the new fiber-optic households, you must remember to dial the Internet account and password Oh. Fiber-optic Connection router specific steps: First, the household fiber connectivity, using a network cable will
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