ADTRAN TSU 120e user manual Base DSX-1 Timing, DSX-1 Timed Clock Source

Chapter 5. Configuration Menu

Base DSX-1 Timing

The PBX is the source of timing. The TSU 120 uses the clock derived by the Base DSX-1 interface for transmission timing. See Figure 5-3.

T1 XMIT

( D S 1 )

T1 Receive

		OSC
Network
Interface			( O P T I O N )
		Nx56/64	DSX-1
	DTE CLOCK

DTEPBX

Figure 5-3. DSX-1 Timed Clock Source

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