Lucent Technologies FT-2000 OC-48 - Example of a Timing Loop Resulting from Incorrect Provisioning

Control, Transmission, and Synchronization Interfaces
5-40 Issue 8.0 July 2002
Figure 5-26. Example of a Timing Loop Resulting from Incorrect
Provisioning
FT-2000
FT-2000
FT-2000
FT-2000
BITS
DS3/EC-1/OC-3
DS3/EC-1/OC-3
BITS
Independent
Clock
S
P
Externally Timed
S
P = TIMING IN PRI to TG3-1
S = TIMING IN SECY to TG3-2
1 = TIMING OUT 1 from TG3-1
2 = TIMING OUT 2 from TG3-2
Externally
Timed
Externally
Timed
P
1
BITS
S
P
1
DS3/EC-1/OC-3
Through Timed
Fiber Cut