Comtech EF Data SDM-300A - Manual (Page 223)

SDM-300A Satellite Modem Revision 6
Clocking Options MN/SDM300A.IOM
7-3
TXCLOCK = TX TERRESTRIAL
TXCLOCK = TX TERRESTRIAL
TRANSMIT
TRANSMIT
INTERNAL
OSCILLATOR
INTERNAL
OSCILLATOR
HIGH
STABILITY
OSCILLATOR
HIGH
STABILITY
OSCILLATOR
SATELLITE
SATELLITE
CLOCK
RECOVERY
CLOCK
RECOVERY
BUFFER
BUFFER
RD
RD
RT
RT
BUFFER CLOCK = TX TERRESTRIAL
BUFFER CLOCK = TX TERRESTRIAL
MASTER
BOP
BOP
DTS
DTS
EXT REF
EXT REF
RECEIVE
RECEIVE
SD
SD
TT
TT
ST
ST
MASTER
TX
TERRESTRIAL
TX
TERRESTRIAL
CLOCK
DATA
CLOCK
DATA
Figure 7-1. EIA-422, EIA-232, or V.35 Master/Master Clocking Diagram