ADTRAN TSU 120e - Manual (Page 66)

Chapter 5. Configuration Menu
5-8 TSU 120 User Manual 61202129L1-1
DTE Timing
The DTE is the source of timing. The TSU 120 uses the incom-
ing DTE clock to determine the transmission timing. This is
typically used in applications where it is necessary to have the
DTE as the primary clock source, (such as limited distance line
drivers). See Figure 5-4.
Figure 5-4. DTE Timed Clock Source
DTE
OSC
( O P T I O N )
Network
Interface
T1 XMIT
T1 Receive
( D S 1 )
Nx56/64
DTE CLOCK
DSX-1
PBX