High Density Fiber Management is Faced with Two Difficulties of Protection and Maintenance
Publish：Box Optronics  Time：2022-06-27  Views:1094
With the rapid growth of data services, people have higher requirements for the number and capacity of data transmission, the construction of large data centers is also increasing, and 10G transmission is gradually used. It is understood that the realization of 10G transmission includes 10G optical fiber and 10G copper cable. Take twisted pair as an example, the current mainstream Cat6A and Category 7 cables can support up to 100 meters of 10,000 Mega transmission. The power consumption per port is about 10W and the delay time is about 4 microseconds.
The 10GBase-SR short-wavelength optical fiber module is usually used to optimize multimode optical fibers by OM3 laser, which can support up to 3 million Mega transmission. The power consumption of each device is about 3W, and the delay time is less than 1 microsecond. In contrast, optical fiber networks have the advantages of low latency, long distance and low power consumption.
Firstly, the physical protection of optical fiber cable. Overbending is the main cause of extra loss of optical signal in optical fiber transmission. The optical loss caused by bending of visible optical fiber becomes Macrobending loss, so protecting bending radius is an important factor to ensure the performance of optical fiber. In general, the bending radius of optical fibers is required to be at least 20 times the diameter of cables when installed, and at least 10 times when fixed. Most of the time, the excess jumpers fail to meet the bending radius requirements when winding.
Fiber optic cables, especially fiber jumpers, are relatively fragile. Physical protection should be paid attention to, especially the protection of the transition part of fiber-tail fusion point and jumper root. High-density fiber management system should have special protection function of fusion node and redundant storage function of tail fibers.
Second, data center maintenance. Usually, the life cycle of data center wiring system is about 5-10 years. In this period, the integrated wiring system will undergo a lot of maintenance work, including increase and change. If the jumper is neat and beautiful when the wiring system is completed, and then becomes messy, then it is lack of planning and design for cable routing, lack of routing channels, jumpers have nowhere to go and can only be piled up in disorder, which will lead to many problems, such as the bending radius can not be protected, the location of the opposite end of the jumper can not be found, only a lot of time can be wasted to find, and idle ports lead to waste of resources, etc. 。
Thirdly, the high density optical fiber cabling system should be considerate. A well-designed high-density optical fiber cabling system can maximize the reduction of system maintenance time and improve reliability, thus allowing the cabling system to provide the maximum available capacity throughout its life cycle.
To this end, we first need to provide an optimized cable path. The optimal design of the channel should include the protection of the jumper bending radius, sufficient cable capacity, and easy to increase and remove. In addition, the size of fiber plugs in high density optical fiber management system is compact and closely arranged, so the pull-out operation of a certain fiber port can not affect the adjacent fiber ports.
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