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Originally Posted by SMHarman
Read in another thread that the CLI is a simple modem signal sent down the copper, it cannot be sent down the fibre in that manner so the equipment in big green cabs had to be capable of creating CLI signals. Some Cable infrastructure builders cut corners and bought cheap equipment that did not do this.
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I don't really know enough so I can't argue with you, it just doesn't sound right to me. I've been inside nodal cabs many times, even installed HDSL units and business fibre in some and I have never seed a special piece of hardware specifically for CLI.
Perhaps a current ntl engineer can explain.