Comtech EF Data SDM-309B - Manual (Page 240)

Software Change Instructions SDM-309B Satellite Modem
D-D–2 MN/U-SDM309B Rev. #
11. Go to the “Utility” menu on the front panel and program the time, day, TXA,
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.
12. Go to the “Config” menu on the front panel and select the TX and RX rate that is
desired and turn ON the RF output. The software change is complete.
Table D.1
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.
M&C U# Firmware Number Description
U7 FW/0713-11D SDM309 Variable Rate
Standard (Version 2.66)
U7 & U8 FW/0713-19X SDM309/M1200P Variable Rate
(Version 3.XX)
U7 & U8 FW/0713-56X SDM309/M1200P Variable
Rate, Fast acquisition, Directed
Sweep (Version 4.XX)
U7 & U8 FW/0713-57X SDM308-5 Drop & Insert, Fast
Acquisition, Directed Sweep
(Version 6.XX)
U9 FW/0714-7X SDM309 70/140 MHz
U1 FW/0760-1X AS/0701 SDM309 Viterbi
Decoder
U17 FW/1910X AS/0949 SDM309 Viterbi
Decoder
U42 FW/2355X AS/2133 SDM309 Viterbi
Decoder
Note: The X following each of the firmware numbers stand for the revision release information
of that firmware number.