Comtech EF Data SDM-300L3 Installation And Operation Manual page 218

SDM-300L3 Satellite Modem
Clocking Options
DT S
RECEIVE
TRANSMIT
F
T X C L O C K = T X T E R R E S T R IA L
SD DDI DDI
SD
DROP
MUX
DDO DDO
TRANSMIT
RECEIVE
BO P
EXTERNAL REF.
IDI
IDI
CLOCK
RECOVERY
IN SERT
M U X
IDO IDO
RD
RX CLO CK = INSERT
M ASTER
R X CLO CK = IN SERT
D A T A
C L O C K
B U F F E R
R E C O V E R Y
C L O C K
S A T E L L IT E INSERT
RECOVERY
EXTERNAL REF.
TX
TERRESTRIAL
IN T E R N A L
O S C I L L AT O R
C L O C K
R E C O V E R Y
C L O C K
S E N D D A T A
T X C L O C K = T X T E R R E S T R IA L
MASTER
6-5. D&I G.703 M
IGURE
S E N D D A T A
C L O C K
C L O C K
R E C O V E R Y
TX
TERRESTRIAL
IN T E R N A L
O S C I L L AT O R
INSERT
S A T E L L IT E
CLOCK
CLOCK
B U F F E R
RECOVERY
D A T A
RD
IDO IDO
INSERT
MUX
CLOCK
IDI
IDI
BO P
DDO DDO
DROP
MUX
SD
DDI DDI
/M C
ASTER ASTER LOCKING
6–8
MN/SDM300L3.IOM
D TS
N O TE : F O R M A ST ER/SL AV E
O PER ATIO N IN G .70:
SEL ECT TE RR EST RIA L
EQ U IPM EN T SL AVE -SID E.
TH E M O D EM SET TIN G S
R EM AIN A S M AST ER /MA ST
TH E U SER EQU IPM EN T W IL
N EED TO RE CO V ER T HE
TIM IN G F RO M T H E REC EIVE
D ATA IF A M A STE R/SL AVE
C LO C K AR R AN G E ME NT IS
D ESIR ED.
D
IAGRAM
Revision 1