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Chapter 5. Configuration Menu
61202129L1-1 TSU 120 User Manual
5-7
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.
Figure 5-3. DSX-1 Timed Clock Source
DTE
OSC
(OPTION)
Network
Interface
T1 XMIT
T1 Receive
(DS1)
Nx56/64
DTE CLOCK
DSX-1
PBX