Kevin P. Fleming wrote:
Andrew Kohlsmith wrote:
Insulation (especially such thin insulation) does not prevent crosstalk.
Distance, shielding and tighter twists do.
Ever looked at the underground cable in the street outside your
building? If it's more than 20 years old, it's probably paper-insulated
gel-filled cable, with an _extremely_ thin amount of insulation between
the conductors and _zero_ insulation between the pairs. T1s seem to work
just fine on it, unless it's very old or they try to put more than 6-8
spans in a single 100-pair bundle :-(
Those paper insulated cables are still the best. The ones laid in the
1930s are still like new.
Steve
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