Sagem ADR 155C - Page 46

2 - OPERATION
Installation and User Guide - N56717020101
Page A2-10
No reproduction or communication without the written consent of
SAGEM SA
The following figures give typical synchronization examples according to equipment connections.
SSM = PRC
ADR155C 1
SSM = PRC
T1-C = T0 = T3 (ADR155C1)
T1-C = T0 = T3
ADR155C 2
T0 = T1-C
ADR155C 3
T0 = T1-c
2 MHz external
sync input (T3):
- Quality = PRC,
- Priority = 1.
STM-1port (T1-C):
- Quality = DNU
- Priority = 2.
2 MHz clock output
T4= T0 = T3 (ADR155C1)
Internal
synchronization
T0 = T3
STM-1port (T1-C):
- Quality = DNU
- Priority = 2.
2 MHz clock output
T4= T1-N
Synchronization
of other e
q
uipments
Synchronization
of other equipments
Figure 2-1 - Synchronization from the 2 MHz external sync input (T3)
SSM = SEC
ADR155C 1
SSM = SEC
T1-C = T0 = T2
ADR155C 2
ADR155C 3
T0 = T1-c
2 Mbit/s port (T2):
- Quality = PRC,
- Priority = 1.
STM-1port (T1-C):
- Quality = DNU
- Priority = 2.
2 MHz clock output
T4= T0 = T1c West
Internal
synchronization
T0 = T2
STM-1port (T1-C):
- Quality = DNU
- Priority = 2.
2 MHz clock output
T4= T1-N
Synchronization
of other e
q
uipments
Synchronization
of other equipments
or T2 (ADR155C1)
T1-C = T0 - T1-c (West)
T0 = T1-C West
NOTE : Synchronization is applied to the 2 Mbit/s port of the ADR155C which is enabled first
(local ADR155C in the example).
Figure 2-2 - Synchronization from a 2 Mbit/s port