Base Drop Timed; Figure 5-3. Drop Timed Clock Source - ADTRAN ESU 120e User Manual

Base D rop Timed
The PBX is the source of timing. The ESU 120e uses the clock
derived by the Base Drop interface for transmission timing (see Fig-
ure 5-3).
E1 XMIT
E1 Receive
61200420L1-1
OSC
Network
Interface
Nx56/64
DTE CLOCK
DTE
Figure 5-3. D rop Timed Clock Source
ESU 120e User Manual
Chapter 5. Configuration Menu
( O P T I O N )
Drop Port
PBX
5-7