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What is a DSU?

DSU
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What is a DSU?

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Answer – The Data Service Unit (DSU) manages line control, and converts input and output between RS-232C, RS-449, or V.xx frames from the LAN (Local Area Network) and the time-division multiplexed (TDM) DSX frames on the T-1 line. The DSU manages timing errors and signal regeneration. The DSU provides a modem-like interface between the computer as Data Terminal Equipment (DTE) and the CSU. Often a CSU and DSU are combined into a single piece of equipment called a CSU/DSU.

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