Control, Transmission, and Synchronization Interfaces
Issue 8.0 July 2002
5-33
Figure 5-20. Example of a Ring Application with Two Nodes
Provisioned Externally Timed and All Other Nodes
Provisioned Through Timed or Externally Timed (Without
Timing Drops)
FT-2000
Through Timed
Through Timed
FT-2000
FT-2000
FT-2000
DS3/EC-1/OC-3
DS3/EC-1/OC-3
DS3/EC-1/OC-3
DS3/EC-1/OC-3
BITS
S
P
BITS
S
P
Externally Timed
Externally Timed
P = TIMING IN PRI to TG3-1
S = TIMING IN SECY to TG3-2