Modulator/Coder Defaults; Demodulator/Decoder Defaults; Interface Configuration Defaults - Comtech EF Data SDM-309B Installation And Operation Manual

SDM-309B Satellite Modem
2. If the battery backed RAM failed the valid data test the modulator, demodulator,
3. If battery backed RAM failed the valid data test and a module fails the valid data

4.1.2.5 Modulator/Coder Defaults

TXA
TXB
TXC
TXD
TXR
TX_Freq
RF_Out
TX_Power
DifEncdr
CW_Mode

4.1.2.6 Demodulator/Decoder Defaults

RXA
RXB
RXC
RXD
RXR
RX_Freq
DifDecdr
RFLoopBk
IFLoopBk
SWP_RACQ
*SWP_CNTR
*SWP_RNGE
*SWP_DIR
BERTset
*These windows only show up when Fast_ACQ (Fast Acquisition) has been turned
"ON" in the Utility menu.

4.1.2.7 Interface Configuration Defaults

TX_clock
Buf_Clk
RX_clock
Ext_Ref
BBLoopBk
MN/U-SDM309B Rev. #
and interface modules would be tested to determine if valid configuration
information was retained by them. If valid configuration information was
retained by a module, that module's configuration will be stored in the battery
backed RAM and maintained from that point on.
test a default configuration for the module is stored in battery backed RAM and
maintained.
Transmit Filter A [1/2 (code rate), 64Kbps]
Transmit Filter B [1/2 (code rate), 256Kbps]
Transmit Filter C [1/2 (code rate), 768Kbps]
Transmit Filter D [1/2 (code rate), 2048Kbps]
Transmit rate selected "A" [1/2, 128Kbps]
Transmitter frequency [70MHz]
RF Output [OFF]
Transmit Power Level [-10dBm]
Differential Encoder [ON]
Continuous Wave Mode [OFF]
Receive Filter A [1/2 (decode rate), 64Kbps]
Receive Filter B [1/2 (decode rate), 256Kbps]
Receive Filter C [1/2 (decode rate), 768Kbps]
Receive Filter D [1/2 (decode rate), 2048Kbps]
Receive rate selected "A" [1/2, 128Kbps]
Receiver frequency [70MHz]
Differential Decoder [ON]
RF Loop Back [OFF]
IF loop back [OFF]
Sweep Reacquisition [0 Sec]
Sweep Center [0 Hz]
Sweep Range [50000Hz]
Sweep Direction [Forward]
BER Threshold [None]
Transmit Clock [Internal]
Buffer Clock [Satelite]
Receive Clock [Normal]
External Reference [1544KHz]
Base Band Loop Back [OFF]
M&C and Interfaces
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