ADTRAN 1202076L2 - Manual (Page 67)

Chapter 5. Configuration Menu
61202076L1-1 TSU 600 User Manual 5-7
Secondary Timing
The secondary interface is the source of timing. The TSU 600 uses the
clock derived by the secondary interface for transmission timing. See
Figure 5-5.
Figure 5-5. Secondary Clock Source
1 2 3
OPTION SLOTS
NETWORK
INTERFACE
SECONDARY
INTERFACE
(Option)
OSC
4 5 6
PBX or
Second Network
TIMING SOURCE