Specifications

SDM-300L3 Satellite Modem Revision 0
Clocking Options MN/SDM300L3.IOM
6–7
TXCLOCK + TX TERRESTRIAL
TX CLOCK = TX TERRESTRIAL
TRANSMIT
TX
TERRESTRIAL
TRANSMIT
INTERNAL
OSCILLATOR
INTERNAL
OSCILLATOR
HIGH
STABILITY
OSCILLATOR
HIGH
STABILITY
OSCILLATOR
SATELLITE
SATELLITE
CLOCK
RECOVERY
CLOCK
RECOVERY
BUFFER
RD
RD
BUFFER CLOCK = TX TERRESTRIAL
BUFFER CLOCK = RX (SATELLITE CLOCK)
MASTER
BOP
BOP
DTS
DTS
NOTE: TERRESTRIAL
EQUIPMENT MUST
RECOVER THE CLOCK
FROM RECEIVED DATA
.
RECEIVE
RECEIVE
SD
DATA
CLOCK
SD
S
LAVE
TX
TERRESTRIAL
TX
TERRESTRIAL
CLOCK
DATA
CLOCK
RECOVERY
DATA
CLOCK
BUFFER
CLOCK
RECOVERY
FIGURE 6-4. IDR/IBS G.703 MASTER/SLAVE CLOCKING DIAGRAM