Shanghai Guangwei launched the data center optical

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Shanghai Guangwei launched the data center optical fiber interconnection test solution

the rapid development of information technology, the popularity of networks, and the progress of basic technology have promoted the construction of data centers to move towards the direction of large-scale, high-density, high transmission rate, diversification, virtualization, intelligence, and green. At the same time, the demand for faster data transmission rate, smaller occupied space and lower energy consumption makes the cabling system, as an important part of the physical infrastructure of the data center, more and more attention. Optical cable and copper cable are the two basic transmission media in the data center wiring system, and the frost resistance shall comply with the provisions of Table 3. Compared with copper cable system, optical fiber has the advantages of larger bandwidth, faster transmission rate, longer transmission distance, thinner volume and stronger anti-interference ability. Therefore, although limited by the high price of optical fiber, optical fiber can not completely replace copper cable, the trend of light in and copper out in the construction of data center is inevitable

the increasing application proportion of optical fiber cabling system in data center provides more opportunities for the application and development of optoelectronic components. Optical fiber connector is the most widely used optical passive component in optical system, which is widely used in communication, local area network (LAN), optical fiber to home (FTTH), high-quality video transmission, optical fiber sensing, testing instruments and meters, etc. Optical fiber connector is a component for detachable connection between optical fiber and optical fiber. It connects the two end faces of the optical fiber accurately, so that the optical energy output by the transmitting optical fiber can be coupled to the receiving optical fiber to the greatest extent. It is precisely because of the use of connectors that the detachable connection between optical channels is possible, which provides a test entrance for optical fibers and facilitates the adjustment and maintenance of optical systems; It also provides a medium for path management, making the switching scheduling of optical system more flexible. Throughout its development, optical fiber has two obvious development stages: the first stage, in order to save space and develop towards miniaturization, optical fiber connectors have developed from traditional FC, St, SC to LC, MTRJ, E2000; In the second stage, not only to save space, but also to meet the requirements of multi-core use, optical fiber connectors have evolved from LC, MTRJ, E2000 to mu, mtp/mpo. Now an mpo/mtp multi-core connector can meet the requirements of 2-core, 4-core, 8-core, 12 core, 24 core, and up to 72 core at present

with the release of the new Ethernet 40g/100g standard of IEEE 802.3ba in June 2010, the pre connection scheme of mtp/mpo to mtp/mpo and om3/om4 fiber has become the first choice for 40g/100g links in the future deployment of optical fiber backbone in the data center. MPO fiber connector is a multi-core and multi-channel plug-in connector, and MTP refers to the brand of MPO connector registered by us conec. The MPO connector is characterized by a rectangular insert with a standard diameter of 6.4mm and 2.5mm, which is positioned by using the left and right guide holes and guide pins with a diameter of 0.7mm on the end face of the insert. During docking, a spring installed at the tail of the insert exerts an axial pressure on the insert until the outer frame of the connector is locked with the adapter. There is a convex key on the upper side of the plug core, which is used to limit the relative position between connectors during connection, so as to determine the correct docking sequence of optical fibers. Its structure is shown in Figure 1

mpo/mtp pre connection system meets the needs of high-density and efficient interconnection cabling in high-speed and high-capacity optical fiber communication systems, and is the first choice for data center cabling system solutions. First of all, the adoption of mpo/mtp pre connection system can greatly save data. Nigeria is the national center with the best sales volume of flexible packaging products in the Middle East and Africa market, realizing its high density; Secondly, the demand for high-speed data transmission speed promotes the adoption of high-density multi-core optical fiber; Finally, the use of high-density pre connection system can greatly reduce the installation time on site, and also greatly reduce the impact of on-site construction and installation on performance and the probability of performance uncertainty

however, the adoption of mpo/mtp optical fiber connectors also brings new challenges to data center optical interconnection testing. The traditional optical fiber test method is to use 12 single channel optical fiber connectors with MPO optical fiber connectors at one end and fan open at the other end. This single channel optical fiber connector can be connected to the existing optical power measurement device, so as to provide the necessary test conditions for the construction site. When implementing this test method, if there is only one optical power measurement device on site, it needs to be continuously connected to meet the test requirements of 12 channels; If it is necessary to measure the optical power of all 12 channels at one time, 12 single channel optical power measurement devices must be connected to the 12 single channel optical fiber connector ends respectively. It is obvious that this method has complex operation, poor test stability, long test time and high cost. For this reason, some companies have introduced on-board MPO interfaces. Because the deformation of a single guide pillar is greater than that of a double guide pillar, the influence of the deformation of the guide pillar on the measurement results must be considered in the precise measurement, and the systematic error caused by the deformation of the guide pillar must be corrected in the measurement results. With the light source and optical power meter with MPO connector, the benchmark setting and attenuation test of 12 links can be carried out at one time, and the performance of MPO optical fiber can be automatically detected and a report can be issued. Among these few similar products, the handheld fmp-10 fms-10 MPO field tester set launched by Shanghai Guangwei Communication Technology Co., Ltd. has outstanding performance, as shown in Figure 2. Fmp-10 fms-10 has on-board MPO test connector. It can directly test the insertion loss of jumper with MPO connector without using sector jumper, and visually display all test results. These innovative functions eliminate the complexity of testing MPO optical cables, and the test time is far less than the traditional single light source test method. The set can provide fast and reliable measurement in various environments, with small volume, light weight and durability. It is a necessary special tool for access, installation and maintenance

its product features are:

onboard MPO test connector, automatic test of all optical fibers in MPO connector

simple operation and comprehensive functions

the output mode of MPO light source can be set

fmp-10 MPO optical power meter has multiple parameter settings

with the competitiveness of American parts manufacturers and the function of saving standby data, USB interface can directly upload data

dual power supply energy-saving design: NiMH rechargeable battery/AC adapter power supply, automatic shutdown function

handheld, compact, convenient, rugged

in addition to the above handheld test suite, Shanghai Guangwei also launched a more comprehensive platform MPO fiber patch cord test system gj800 multi-channel passive component test system, as shown in Figure 3. Both handheld and desktop testers can be used for optical fiber wiring testing in data centers and product inspection of mpo/mtp pre connection system manufacturers

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