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Definition of "Channel Service Unit" |
Channel Service Unit is an equipment that performs one or more of the following functions: termination of a digital facility; regeneration of digital signals; detection and/or correction of signal format error; and remote loopback. / In telecommunications, a channel service unit (CSU) is a line bridging device for use with T-carrier that is used to perform loopback testing,may perform bit stuffing, may also provide a framing and formatting pattern compatible with the network,provides a barrier for electrical interference from either side of the unit, and is the last signal regeneration point, on the loop side, coming from the central office, before the regenerated signal reaches a multiplexer or data terminal equipment (DTE). / An L-Pad is a network composed of two impedances that typically resemble the letter capital L when drawn on a schematic. It is commonly used for attenuation and for impedance matching. |
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