In CSU/DSU configurations, which option correctly describes the interface roles?

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Multiple Choice

In CSU/DSU configurations, which option correctly describes the interface roles?

In CSU/DSU setups, the two parts divide the job of connecting your equipment to the carrier’s digital service. The CSU is the side that interfaces with the telecom network, providing timing and line termination as it enters the carrier’s side. The DSU is the side that interfaces with your customer equipment (the DTE), such as a router, delivering the data to and from your device. So the correct description is that the CSU connects to the network while the DSU handles the DTE interface. Note that these devices are used with wired digital circuits (like T1/T3) and are not limited to wireless networks. Sometimes a single unit can combine both CSU and DSU functions, but the distinctive roles remain.

In CSU/DSU setups, the two parts divide the job of connecting your equipment to the carrier’s digital service. The CSU is the side that interfaces with the telecom network, providing timing and line termination as it enters the carrier’s side. The DSU is the side that interfaces with your customer equipment (the DTE), such as a router, delivering the data to and from your device. So the correct description is that the CSU connects to the network while the DSU handles the DTE interface. Note that these devices are used with wired digital circuits (like T1/T3) and are not limited to wireless networks. Sometimes a single unit can combine both CSU and DSU functions, but the distinctive roles remain.

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