In closed loop confguration together with the PI controller, the root loci shape is similar to the open loop plant
. It can be seen that there is a limit range for the closed loop gain in Figure 5.
Then, we have discussions on the subscriber loop plant
noise, concludes with the results of the tests performed.
Seventy-six percent of survey respondents are deploying fiber in their loop plant
. Of those, 75% are deploying fiber to the DSLAM, 14% fiber to the curb and 3% fiber to the home.
One-step upgrades that transform the copper loop plant
into a high quality, high bandwidth service platform will reliably bridge the bandwidth gap at prices that bring multimegabit services within the reach of the small to mid-sized enterprise customer.
Systems designed to comply with the ANSI specification for 2B1Q can be expected to operate satisfactorily on 98% of all non-loaded subscriber loops in the North American two-wire loop plant
. Specific products' overall performance objective is to operate at a bit error rate less than 1 in 10,000,000 over most non-loaded subscriber loops.
When you install a digital switching system, you're not only modernizing the switch, but your interoffice facilities and loop plant
Zhone's SLMS network architecture allows service providers to connect copper, fiber, wireless and coaxial physical loop plants
through a single integrated infrastructure.
Annex C addresses the unique characteristics of copper loop plants
in Japan that require different technology than loops in the United States (Annex A).