▶
中文
▶
English
Time：
2019-05-31
On May 30th, China Telecom and the Shanghai Municipal Government jointly launched the construction of “Building a Double Gigabit Demonstration City” in Shanghai on the 30th, which marked Shanghai as the first 5G trial city of China Telecom. In the next three years, China Telecom will invest 18 billion yuan to build Shanghai into a world-leading “5G+ optical network” dual-gigabit demonstration city.
Time：
2019-06-06
The optical fiber in the fiber jumper mainly includes OM1, OM2, OM3, OM4 multimode and OS2 single mode. The connector type of the fiber jumper also includes SC, ST, FC, LC, MTRJ and E2000. These have no fixed choices in practical applications, so how to choose the right fiber jumper for the network? Follow these 6 steps.
Time：
2019-07-10
The cable tray construction sequence is as follows: measurement positioning → support hanger installation → bridge installation → grounding treatment