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287:" (distribution side), and from the PCP back to the MDF as the "E-side" (exchange side). In the United States, the connection back to the MDF is known as the F2 (secondary distribution cable) and/or the F1 (main feeder cable) pairs.
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SAIs are used in suburban and low-density urban areas, serving some of the same purposes that
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do in high-density urban areas. Besides a cross connect point, they sometimes contain a
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In the United
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or metal box that allows access to telecommunications wiring.
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370:This article related to
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302:or both.
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