Comtech EF Data SDM-300L3 - Manual (Page 279)

SDM-300L3 Satellite Modem Revision 1
Asynchronous Interface/AUPC MN/SDM300L3.IOM
11–3
Figure 11-1 . ASYNC/AUPC Block Diagram
G.703
V.35
TERR DATA
TERR CLOCK
INPUT
FIFO
PLL
INTERFACE CNT SIGNALS
AUPC DATA FROM M&C
TERR DATA
TERR OVERHEAD CLOCK
INTERFACE CNT SIGNALS
ASYNC DATA
ASYNC DATA UART
M&C CONTROL
G.703
V.35
TERR DATA
TERR CLOCK
BUFFER
AUPC DATA TO M&C
RX DATA
RX CLK
INTERFACE
SIGNALS
PLL
UART
ASYNC DATA
INTERFACE SIGNAL
DMUX
TERR DATA
RX CLK
ENABLE
4 OUTPUT
CLK SOURCES
MUX
M
O
D
U
L
A
T
O
R
D
E
M
O
D
U
L
A
T
O
R
T
E
R
R
E
S
T
R
I
A
L
EIA-422
EIA-485
EIA-232
EIA-422
EIA-485
EIA-232