Figure 3-30. Idr/Ibs G.703 Master/Slave Clocking Diagram - Comtech EF Data SDM-300A Installation And Operation Manual

SDM-300A Satellite Modem
D T S
R E C EIV E
T R A N S M IT
T X C L O C K = T X T E R R E S T R I A L
SL AVE

Figure 3-30. IDR/IBS G.703 Master/Slave Clocking Diagram

Rev. 4
T X C L O C K + T X T E R R E S T R IA L
SD
C L O C K
R E C O V E R Y
H IG H
S T A B IL I T Y
O S C I L L AT O R
T E R R E S T R IA L
B O P
T R A N S M IT
R E C EIV E
T X
T E R R E S T R IA L
R D
D A TA
C L O C K
B U F F E R C L O C K = T X T E R R E S T R IA L
M A S T E R
B U F F E R C L O C K = R X (S AT E L L IT E C L O C K )
C L O C K
B U F F E R
R E C O V E R Y
S A T E L L IT E
T X
T E R R E S T R IA L
IN T E R N A L
O S C I L L AT O R
D ATA
C LO C K
T X
IN T E R N A L
O S C I L L AT O R
S A T E L L IT E
D ATA
C L O C K
B U F F E R
R E C O V E R Y
C LO C K
R D
B O P
H IG H
S T A B IL I T Y
O S C I L L AT O R
SD
C LO C K
R E C O V ER Y
D T S
N O T E : T E R R E S T R IA L
E Q U I P M E N T M U S T
R E C O V E R T H E C L O C K
F R O M R E C E IV E D D A T A .
Operation
3–91