With the development of 40g / 100g network, data center must meet the demand of high-speed and high-density. As one of the common MPO / MTP components, 12 core / 24 core optical fiber distribution box can meet the requirements of high-density wiring to a certain extent and is widely used in data center. So what is 12 core / 24 core optical fiber distribution box? What are the advantages of 12 core / 24 core optical fiber distribution box? How to realize 40g / 100g network connection with 12 core / 24 core optical fiber distribution box?
What is 12 core / 24 core optical fiber distribution box?
The 12 core / 24 core optical fiber distribution box is a modular pre terminated optical fiber distribution box. Its front end is equipped with 6 / 12 LC duplex adapter connectors or other types of SC connectors, and its back end is equipped with one MPO / MTP adapter connector. In the box, MPO / MTP to LC / SC branch optical fiber jumpers are placed. The 12 core / 24 core optical fiber distribution box is mainly used to realize the safe conversion between MPO / MTP connector and LC or SC connector. It is generally used in the optical fiber backbone connection and distribution management of Internet Data Center (IDC), main distribution area (MDA) or equipment distribution area (EDA).
Challenges of 40G / 100G Technology
As a new technology, 40g / 100g will involve breakthrough and innovation of some key technologies in its R & D and deployment, which also brings a series of new challenges and problems to chip developers, device manufacturers and end users.
1. Router / switch processing capacity (including overall capacity, port density, high-speed table lookup, traffic management, thermal design and energy-saving design);
2. High speed interface of special message processing chip, including high speed SerDes, high speed large capacity cache, etc;
3. In the (ultra) long distance transmission, the existing infrastructure such as optical fiber is used to realize the single wavelength 40g / 100g ultra long distance transmission.
The current mainstream data center is upgraded from 10g to 40G / 100G solution.
MTP / MPO connection standard is a miniaturized high-density optical fiber connector standard. A single connector is equipped with multi-core ribbon optical fiber, with high density and stable and reliable connection. MTP / MPO distribution system includes trunk optical cable, MTP / MPO module plug-in box, optical fiber distribution box and various jumpers. MTP / MPO high density distribution system is an ideal solution under the background of the increasing demand for high-capacity distribution in data center, which completes the termination and test of high-density optical fiber connector and ribbon cable in the factory, and plug and play with equipment on site. Two 12 core MPO backbone optical cables are used for transmission. One end is connected to the module box with two 12 core mpo-lc jumpers, and then connected to 12 10g (SFP +) optical modules through LC duplex jumpers; the other end is connected to 2-to-3 MPO conversion jumpers, which converts 2x12 core optical channel into 3x8 core optical channel, and then connected to three 40g (qsfp +) optical modules, so as to complete the transmission of 40g signal.
What are the advantages of 12 core / 24 core optical fiber distribution box?
What's the magic of 12 core / 24 core optical fiber distribution box that makes it widely used in high-density data center? Let's take a look at the advantages of 12 core / 24 core fiber distribution box.
1. High density
As MTP / MPO connector supports 12 / 24 core optical fiber, it can provide higher density connection compared with LC and other types of connectors. Therefore, 12 core / 24 core optical fiber distribution box uses MPO / MTP connector to achieve high density wiring requirements and effectively save wiring space.
2. Convenient management / maintenance
As mentioned above, the high density of 12 core / 24 core optical fiber distribution box can effectively reduce the use of optical fiber, and less cables can be conducive to space management. In addition, if the connector changes (for example, 10g to 40g network, the connector changes from LC duplex to MPO / MTP), the 12 core / 24 core optical fiber distribution box only needs to replace the cables, and other equipment can remain unchanged, making management and maintenance more convenient.
3. Simple installation / less deployment time
The 12 core / 24 core optical fiber distribution box is a pre terminated product. It adopts push-pull connector, which is easy to plug and install. Compared with the traditional optical fiber wiring system, the installation time of 12 core / 24 core optical fiber distribution box can effectively reduce the wiring time by 75%.
4. Good expansibility
The 12 core / 24 core optical fiber distribution box adopts modular design, which can be quickly connected to 40g / 100g network equipment without the trouble of reconfiguration of switches and other equipment.
5. Low cost
The 12 core / 24 core optical fiber distribution box is easy to install, which can avoid the installation cost of professional installation personnel and reduce the wiring cost.
How to use 12 core / 24 core fiber distribution box to realize 40g / 100g network connection?
The 40g / 100g network uses 40g / 100g optical module, and the connector of 40g / 100g optical module is MPO / MTP connector. We only need to use MPO / MTP fiber jumper to connect 40g / 100g optical module with 12 core / 24 core optical fiber distribution box, then put four 12 core / 24 core optical fiber distribution boxes in 1U optical fiber distribution box, and finally use LC fiber jumper to connect 12 core / 24 core optical fiber Distribution box or other equipment.
With the advent of 40g / 100g network, 12 core / 24 core optical fiber distribution box plays an increasingly important role in optical fiber network, and has become a necessity of high-density cabling environment such as telecommunication network, WDM application and data center cabling.
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