ADTRAN TSU 120e user manual TSU 120 Clock Sources

Chapter 5. Configuration Menu

TSU 120 Clock Sources

The TSU 120 is operable from various clock sources permitting it to perform properly in many different applications. Set the network interface clocking options with the clocking options set by the Network (NI) Configuration menu options.

The following clock source options are available:

•Network

•Base DSX-1 Timing

•DTE Timing

•Internal Timing

•Secondary Timing

•Normal (CSU) Timing

•U-BR1TE

The selected clock option always designates the clock source for transmission. Clocking necessary for receiving data is always re- covered from incoming data.

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