Jump to content

CSU/DSU

From Wikipedia, the free encyclopedia

This is an old revision of this page, as edited by ClueBot NG (talk | contribs) at 16:50, 29 April 2016 (Reverting possible vandalism by 66.228.61.41 to version by David.moreno72. Report False Positive? Thanks, ClueBot NG. (2639765) (Bot)). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

A CSU/DSU is a digital-interface device used to connect a data terminal equipment (DTE), such as a router, to a digital circuit, such as a Digital Signal 1 (T1) line. The CSU/DSU implements two different functions. The channel service unit (CSU) is responsible for the connection to the telecommunication network, while the data service unit (DSU) is responsible for managing the interface with the DTE.

DSL and cable modems are CSU/DSUs because they convert from one type of digital signal to another. A CSU/DSU is the equivalent of the modem for an entire LAN.[1]

WAN interface

The WAN Interface Card (WIC) may contain an integrated CSU/DSU that can be inserted into a router slot. An example of a WIC is the 1-port 56/64-kbit/s DSU/CSU WIC (WIC-1DSU-56K4) by Cisco Systems.

References

  1. ^ Microsoft Official Academic Course (2012). 98-366: MTA Networking Fundamentals. Hoboken, NJ: John Wiley & Sons. p. 151. ISBN 978-0-470-90183-0.
Stub icon

This article related to telecommunications is a stub. You can help Wikipedia by expanding it.

Retrieved from "https://en.wikipedia.org/w/index.php?title=CSU/DSU&oldid=717773382"