On Fri, 02 Jun 2017 15:11:36 -0000, Rod Beck said: > Landing stations can be 10 to 30 kilometers from the beach manhole. I don't > think it is big concern. Hibernia Atlantic dublin landing station is a good > example.
So 100% of those beach manholes are watertight and safe from flooding, and don't contain any gear that will get upset if it does in fact end up with salt water in there? This listing for landing points in Japan seems to call out a hell of a lot of specific buildings that are nowhere near 10 to 30 km inland: https://www.google.com/maps/d/viewer?mid=1Siy5qBMoFyBUlSFNHdHDpGAkIR0 Singapore: Right on the water. http://www.streetdirectory.com/sg/singapore-cable-landing-station/1-changi-north-rise-498817/8118_79569.html Hong Kong: More of same (though with its hills, some of the 8 sites may actually be a bit above sea level even though they're 2 blocks from water) http://www.ofca.gov.hk/en/industry_focus/telecommunications/facility_based/infrastructures/submarine_cables/index.html Cryptome has a bunch of older images that tend to indicate that a lot of buildings right on the water in New Jersey and Long Island are involved: https://cryptome.org/eyeball/cable/cable-eyeball.htm And that's just in the first 3 pages returned by Google for "cable landing station map". The experience of the Manhattan phone system when the conduits and basements flooded during Sandy tends to indicate that we *are* in for similar surprises over the coming decades.
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