: Never seen it cause resyncs, but that might happen, dunno.
It definitely causes the DSLAM port to resync sometimes.
: It is usually settable to 1,4,16 ms in each direction, so
: 25ms is not a "law of nature", it's just the default 16/4 ms
: downstream/upstream interleaving and then the added coding delay.
We have to set it high because of the OSP. It goes through jungles. Literally. 
Some areas get 25-30mph winds every day with 300-400 inches of rain a year.
http://www.nature.org/wherewework/northamerica/states/hawaii/preserves/art2363.html
http://farm5.static.flickr.com/4054/4303747828_ce95aea13d.jpg
scott