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 CHANNEL SERVICE UNIT/DATA SERVICE UNIT Definition
We define CHANNEL SERVICE UNIT/DATA SERVICE UNIT |
CHANNEL SERVICE UNIT/DATA SERVICE UNIT - A piece of hardware that you use to translate the digital data frames of a T1 line into a 10BaseT connection where Internet connectivity is concerned. If the T1 lines are used for voice connections, a CSU/DSU is required to translate the digital frames into signals that your office phone switch can interpret. Basically, the phone network/Internet consists of a bunch of CSU/DSUs talking to one another. When you lease a T1 line, your provider typically supplies you with a CSU/DSU, often with a setup cost. A synonym for CSU/DSU is DSU/CSU. |
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