SDM-300A Satellite Modem
Revision 6
Functional Description
MN/SDM300A.IOM
2–2
MODEM
11 MHz
CLOCK
I C BUS
2
RAM AND
REAL
TIME
CLOCK
ROM
(M&C,
BULK,
BOOT)
FAULT
AND ALARM
RELAYS
MICRO-
CONTROLLER
DAC
ADC
EIA-232
OR
EIA-485
9-PIN
REMOTE
Figure 2-1. M&C Block Diagram