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May 01, 2009
How do you connect?
Circuits interface to locations in various capacities. Some of the levels which a circuit can interface at are OC, DS3, DS1, DS0, and collocated level. The level of the interface determines what types of charges can be billed. The NCI (Network Channel Interface) code indicates at what level the circuit interfaces. If a DS1 has a DS3 for a CFA, then at those locations of the DS3, the DS1 would have an NCI code equivalent to that of a DS3. Get to know your NCI codes. They will help you spot errors in your billing.
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