asterisk users - Apr 2006 - Re: Shielding of T1/E1 cables WAS RE: Pinoutsfor T1/E1 crossover

> 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 :-(
6-8 spans? That's the number that I have been trying to get, and why the
limit. Is it X-talk?

Alexander Lopez wrote:
> 6-8 spans? That's the number that I have been trying to get, and why
the
> limit. Is it X-talk?
I think so. I've had clients before who had to have spans brought in via
different routes even though the pairs in the underground cable were in
otherwise acceptable condition.