For the purpose of this section, the term circuit equipment, category 4, encompasses the radio systems and circuit equipment contained in accounts 2230, 2231, and 2232. It includes central office equipment, other than switching equipment and automatic message recording equipment, which is used to derive communications transmission channels or which is used for the amplification, modulation, regeneration, testing, or balancing of control of signals transmitted over communications transmission channels. Circuit equipment in general use includes the following:
S.D. Admin. R. 20:10:28:36
General Authority: SDCL 49-1-11, 49-31-5, 49-31-18.
Law Implemented: SDCL 49-31-18.
Note: A channel may be furnished by wire, fiber optics, radio, or any other means of transmission, or any combination.
Categories, § 20:10:28:20. Central office - transmission, 47 C.F.R. § 32.2230 (1991). Radio systems, 47 C.F.R. § 32.2231 (1991). Circuit equipment, 47 C.F.R. § 32.2232 (1991). Circuit equipment - category 4, 47 C.F.R. § 36.126(a) (1991).