Appearance: 1310nm curve: smooth, attenuation slope and index is normal, 1550nm curve: attenuation slope is bad, index is seriously high, Problem: Bending radius is too small, Solution: Increase rest length of fiber tube

December 18, 2017, "a new generation of optical transport network Development Forum," the establishment of a conference in Beijing, announced the first optical transmission network of the whole industry chain Cooperation Organization of the birth. "New Generation Optical transport network Development Forum" by China Telecom Group, China United Network Communications Group Limited, China Institute of Information and Communication, Huawei Technology Co., Ltd., ZTE

Corning (NYSE: GLW) has recently announced an agreement with 3M to fully acquire 3M's communications marketing department with a cash transaction of about 900 million dollars. The acquisition will end in 2018, depending on customer settlement conditions and regulatory approvals.

Paul Lambert, a senior European analyst at Ovum, said Vodafone's first major step towards consumer networking was the most consistent and targeted service that European operators have so far been outside the smart home and automotive sectors. Despite the lack of innovation in the types of equipment and services provided, Vodafone has demonstrated a coherent approach to designing and developing new consumer services that take advantage of Vodafone's mobility advantage, thanks to its latest consumer-connectivity strategy.

In order to improve the network quality of the transportation hub area, to build a stable, flexible, high-capacity maintenance capacity of mobile networks, China Telecom Nanjing Branch took the lead in the use of three-frequency micro-station technology, railway stations, subways and other mobile business-intensive typical scene coverage, effectively solve the traditional room system maintenance efficiency low, fault location difficulties

It is understood that in order to meet the needs of the carrier backbone network expansion, 400G will be the backbone of the network upgrade and new direction. At present, 400G related Standards Organization IEEE, ITU-T and OIF three major international standards organizations and China's CCSA in the 400G standard-setting work has made a phased progress.

Taiwan's Chinese Telecom Research Institute has signed a joint test agreement with NTT since September this year to test the application of ultra-high-speed 200G universal Optical network equipment technology to data center interconnection, according to Taiwanese media reports.

Hengtong photoelectric yesterday evening announced that the company for value evaluation considerations, to abandon the acquisition of the United States general cable.

Recently, the President of the sixth session of the Board of Directors of the 33rd meeting was held on December 4, 2017 by means of a communication vote, the meeting passed a motion on the proposed investment in the construction of fiber optic cable factory in India. According to the announcement, Hengtong photoelectric plan and wholly-owned subsidiary Aberdare European Holdings Limited (hereinafter referred to as "Aberdare Europe")

According to foreign media July 17 reported that Iranian Communications Minister Mahmoud Vaeze on 16th in the Iranian capital, Tehran, the first fiber-optic telephone network to be inaugurated. To show that the new network has been widely promoted nationwide, Vaeze has telephoned regional officials such as Bushehr, Yourzine and Tehran at the ceremony to expand the fiber-optic network.