Figure 5-2. master/slave clocking block diagram – Comtech EF Data SNM-1010L User Manual
Page 154
SNM-1010L Data/Control Modem
Revision 0
Clocking Options
MN/SNM1010L.OM
TXCLOCK = TX TERRESTRIAL
SLAVE
TXCLOCK = TX TERRESTRIAL
TRANSMIT
TRANSMIT
INTERNAL
OSCILLATOR
INTERNAL
OSCILLATOR
HIGH
STABILITY
OSCILLATION
HIGH
STABILITY
OSCILLATION
SATELLITE
SATELLITE
CLOCK
RECOVERY
DATA
CLOCK
BUFFER
BUFFER
RD
RD
RT
RT
BUFFER CLOCK = TX TERRESTRIAL
BUFFER CLOCK = RX (SATELLITE CLOCK)
MASTER
BOP
BOP
DTS
DTS
EXT REF
EXT REF
RECEIVE
SD
SD
TT
TT
ST
ST
TX
TERRESTRIAL
RECEIVE
DATA
CLOCK
(LOOP)
TIMING
SELECTED)
CLOCK
DATA
Figure 5-2. Master/Slave Clocking Block Diagram
5–4
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