China Unicom has activated a new optical cable linking China, Mongolia and Russia. The SDH network spans 7,500 km and is said to be the shortest terrestrial cable link between mainland Europe and Asia. Initial capacity is 622 Mbps. http://www.chinaunicom.com.cn/
China Unicom Activates Cable Linking Mongolia and Russia
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From the Technology Graveyard
You just read about Cable. Here is what it replaced:
Open-wire lines served 1880–1980. What ultimately replaced it?
Open-wire lines bare copper conductors bolted to glass insulators on wooden crossarms; wires were periodically transposed (crossed over) to cancel crosstalk and interference. Weather-exposed and very low capacity. Its job passed to Cable — but the problem it solved, and the ideas it proved, live on in what replaced it. The standard rests here in the archive. One of 198 technologies here that opened a door and then held it for the next.
On this day
April 15From 25 years of the Converge Digest archive.