ADTRAN ESU 120e Network Card User Manual


 
Chapter 5. Configuration Menu
5-8 ESU 120e User Manual 61200420L1-1
Base D TE Timed
The DTE is the source of timing. The ESU 120e uses the incoming
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. Network Timed Clock Source
DTE
OSC
(OPTION)
Network
Interface
E1 XMIT
E1 Receive
Nx56/64
DTE CLOCK
Drop Port
PBX