Sagem ADR 155C Installation And User Manual page 46

2 - OPERATION
The following figures give typical synchronization examples according to equipment connections.
2 MHz external
sync input (T3):
- Quality = PRC,
- Priority = 1.
Figure 2-1 - Synchronization from the 2 MHz external sync input (T3)
2 Mbit/s port (T2):
- Quality = PRC,
- Priority = 1.
NOTE : Synchronization is applied to the 2 Mbit/s port of the ADR155C which is enabled first
(local ADR155C in the example).
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STM-1port (T1-C):
- Quality = DNU
- Priority = 2.
ADR155C 1
T1-C = T0 = T3
Internal
synchronization
T0 = T3
STM-1port (T1-C):
- Quality = DNU
- Priority = 2.
ADR155C 1
T1-C = T0 = T2
Internal
synchronization
T0 = T2
Figure 2-2 - Synchronization from a 2 Mbit/s port
SSM = PRC
2 MHz clock output
T4= T0 = T3 (ADR155C1)
ADR155C 3
of other equipments
SSM = PRC
T0 = T1-c
2 MHz clock output
T4= T1-N
Synchronization
of other equipments
SSM = SEC
T0 = T1-C West
2 MHz clock output
T4= T0 = T1c West
ADR155C 3
of other equipments
SSM = SEC
T0 = T1-c
2 MHz clock output
T4= T1-N
Synchronization
of other equipments
STM-1port (T1-C):
- Quality = DNU
- Priority = 2.
ADR155C 2
T1-C = T0 = T3 (ADR155C1)
T0 = T1-C
Synchronization
STM-1port (T1-C):
- Quality = DNU
- Priority = 2.
ADR155C 2
T1-C = T0 - T1-c (West)
or T2 (ADR155C1)
Synchronization