Comtech EF Data SDM-650B User Manual
Page 15
SDM-650B Satellite Modem
Table of Contents
Rev. 5
xi
B.1.3.6.3 Select Modulator Rate Variable ............................................................................................. B–8
B.1.3.7 Demodulator Rate .......................................................................................................................... B–9
B.1.3.7.1 Demodulator Filter Rate Assignment ..................................................................................... B–9
B.1.3.7.2 Select Demodulator Rate...................................................................................................... B–10
B.1.3.7.3 Select Demodulator Rate Variable ....................................................................................... B–10
B.1.3.8 Scrambler Enable......................................................................................................................... B–10
B.1.3.9 Descrambler Enable..................................................................................................................... B–10
B.1.3.10 Differential Encoder Enable ...................................................................................................... B–11
B.1.3.11 Transmit Clock .......................................................................................................................... B–11
B.1.3.12 Receive Clock............................................................................................................................ B–11
B.1.3.13 Baseband Loopback................................................................................................................... B–11
B.1.3.14 RF Loopback ............................................................................................................................. B–12
B.1.3.15 IF Loopback............................................................................................................................... B–12
B.1.3.16 Time of Day............................................................................................................................... B–12
B.1.3.17 Date............................................................................................................................................ B–13
B.1.3.18 Remote....................................................................................................................................... B–13
B.1.3.19 Clear Stored Faults .................................................................................................................... B–13
B.1.3.20 BER Threshold .......................................................................................................................... B–13
B.1.3.21 Sweep Reacquisition.................................................................................................................. B–14
B.1.3.22 Fast Acquisition Mode............................................................................................................... B–14
B.1.3.22.1 Sweep Center Frequency.................................................................................................... B–15
B.1.3.22.2 Sweep Width Range ........................................................................................................... B–15
B.1.3.22.3 Sweep Direction ................................................................................................................. B–16
B.1.3.23 Modem Operation Mode............................................................................................................ B–16
B.1.3.24 Buffer Control Mode ................................................................................................................. B–16
B.1.3.24.1 Buffer Clock ....................................................................................................................... B–17
B.1.3.24.2 Interface Buffer Center....................................................................................................... B–17
B.1.3.24.3 Interface Buffer Size .......................................................................................................... B–17
B.1.4. Status Commands/Responses............................................................................................................. B–18
B.1.4.1 Configuration............................................................................................................................... B–18
B.1.4.1.1 Modulator/Coder Status ....................................................................................................... B–18
B.1.4.1.2 Modulator/Coder Program.................................................................................................... B–18
B.1.4.1.3 Demodulator/Decoder Configuration Status ........................................................................ B–19
B.1.4.1.4 Demodulator/Decoder Configuration Program .................................................................... B–20
B.1.4.2 Modem Faults Status (Summary) ................................................................................................ B–20
B.1.4.3 Modulator Status.......................................................................................................................... B–21
B.1.4.4 Demodulator Status...................................................................................................................... B–21
B.1.4.5 Common Equipment Status ......................................................................................................... B–22
B.1.4.6 Interface Receive Side Status ...................................................................................................... B–22
B.1.4.7 BER Status................................................................................................................................... B–23
B.1.4.7.1 Raw BER.............................................................................................................................. B–23
B.1.4.7.2 Corrected BER ..................................................................................................................... B–23
B.1.4.8 E
b
/N
0
Status.................................................................................................................................. B–24
B.1.4.9 Modulator Rate Status ................................................................................................................. B–24
B.1.4.10 Demodulator Rate Status ........................................................................................................... B–24
B.1.4.11 Receive Signal Level Status ...................................................................................................... B–25
B.1.4.12 Current Sweep Value................................................................................................................. B–25
B.1.4.13 Stored Faults .............................................................................................................................. B–26
B.1.4.13.1 Modulator Stored Faults..................................................................................................... B–26
B.1.4.13.2 Demodulator Stored Faults................................................................................................. B–26
B.1.4.13.3 Common Equipment Stored Faults..................................................................................... B–27
B.1.4.13.4 Interface Receive Side Status Stored Faults ....................................................................... B–27
B.1.4.14 Bulk Consolidated Status........................................................................................................... B–28
B.1.4.15 Bulk Consolidated Analog Status .............................................................................................. B–30