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Software Change Instructions
11. Go to the "Utility" menu on the front panel and program the time, day, TXA,
12. Go to the "Config" menu on the front panel and select the TX and RX rate that is
The firmware for the M&C cards is contained in three (3) EPROMs. Two EPROM's
(U7 & U8) contain the various modem program codes and the other (U9) contains
the data information for the various plug-in modules. The firmware for the Viterbi
Decoder card is contained in one EPROM. Refer to the decoder firmware table
below for location.
U7
U7 & U8
U7 & U8
U7 & U8
U9
U1
U17
U42
Note: The X following each of the firmware numbers stand for the revision release information
of that firmware number.
D-D–2
TXB, TXC, TXD, RXA, RXB, RXC, and RXD to the new data/code rates.
Note: The data/code rate assignment in the "Utility" menu MUST match the
filter assignment on the daughter card. Each daughter card is labeled with the
filter assignment (A, B, C, and D) and the associated symbol rate. Example - the
label for a 64KBPS, 7/8 rate, QPSK filter is 36.57.
desired and turn ON the RF output. The software change is complete.
M&C U#
Table D.1
Firmware Number
FW/0713-11D
FW/0713-19X
FW/0713-56X
FW/0713-57X
FW/0714-7X
FW/0760-1X
FW/1910X
FW/2355X
SDM-309B Satellite Modem
Description
SDM309 Variable Rate
Standard (Version 2.66)
SDM309/M1200P Variable Rate
(Version 3.XX)
SDM309/M1200P Variable
Rate, Fast acquisition, Directed
Sweep (Version 4.XX)
SDM308-5 Drop & Insert, Fast
Acquisition, Directed Sweep
(Version 6.XX)
SDM309 70/140 MHz
AS/0701 SDM309 Viterbi
Decoder
AS/0949 SDM309 Viterbi
Decoder
AS/2133 SDM309 Viterbi
Decoder
MN/U-SDM309B Rev. #
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