What is the full form of CSU/DSU?

Full form of CSU/DSU: Here, we are going to learn what does CSU/DSU stands for? CSU/DSU – which is an abbreviation of "Channel Service Unit/Data Service Unit" in Computer Acronyms/Abbreviations, etc.
Submitted by Anushree Goswami, on October 14, 2020

CSU/DSU: Channel Service Unit/Data Service Unit

CSU/DSU is an abbreviation of the "channel service unit/data service unit". It is digital communication-based hardware, which is used as a modem to change and transform the user data from the data terminal equipment (DTE) into a type, which is up to the standard to the WAN service provider broadcast connection. It merges the job role’s of both the Channel Service Unit (CSU) and the Data Service Unit (DSU), in which the channel service unit (CSU) is in charge of the association link to the telecommunication network, at the same time as the data service unit (DSU) is in charge for supervising and handling the communication with the DTE.


  • Line rate: Line rate is the network broadcast communication speed in the format of bits/second.
  • Data Framing: It is described as a common configuration of a data packet or frame, some of the components comprises:
    1. One or more sub frames
    2. Error checking information
    3. Data link information
    4. Framing preferences such as SF/D4, ESF, SF/ESF
    5. Auto detection
  • Line code: Line code, which is also known as encoding formats alludes to the system of processes used to correspond to the zeros and ones in the configuration of digital arrangements for broadcasting connection. In the form of two different voltage levels, the zeros and ones are puts out and broadcasted, in which a zero signify a space and one signify a mark.
  • Power requisite: preferences of power requisite comprise 230 VAC, 115 VAC, 48 VDC, and 24 VDC.

Algo tagged in: Dictionary – 'C'

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