data service unit/channel service unit

Definitions

Electronics

  • A device which combines a data service unit and a channel service unit. The data service unit converts data transmitted or received through an external digital circuit, such as a T1, into the proper format, while the channel service unit terminates the external digital circuit at the premises of a customer. Its abbreviation is DSU/CSU. Also called digital service unit/channel service unit.
  • synonymdigital service unit/channel service unit
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