Comtech EF Data SDM-650B Installation And Operation Manual page 20

Table of Contents
G.6.4.1.3.3 Select Modulator Rate Variable.................................................................................... G–21
G.6.4.1.3.4 Set Modulator Power Offset ......................................................................................... G–21
G.6.4.1.3.5 Set Modulator Output Power Level .............................................................................. G–22
G.6.4.1.3.6 Scrambler Enable .......................................................................................................... G–22
G.6.4.1.3.7 Differential Encoder Enable ......................................................................................... G–22
G.6.4.2 Demodulator ................................................................................................................................ G–23
G.6.4.2.1 Set Demodulator Frequency................................................................................................. G–23
G.6.4.2.2 Demodulator Rate ................................................................................................................ G–23
G.6.4.2.2.1 Demodulator Filter Rate Assignment ........................................................................... G–24
G.6.4.2.2.2 Select Demodulator Rate .............................................................................................. G–24
G.6.4.2.2.3 Select Demodulator Rate Variable................................................................................ G–24
G.6.4.2.3 Descramble Enable............................................................................................................... G–25
G.6.4.2.4 IF Loopback ......................................................................................................................... G–25
G.6.4.2.5 RF Loopback........................................................................................................................ G–25
G.6.4.2.6 Sweep Reacquisition ............................................................................................................ G–25
G.6.4.2.7 Fast Acquisition Mode ......................................................................................................... G–26
G.6.4.2.8 Sweep Center Frequency...................................................................................................... G–26
G.6.4.2.9 Sweep Width Range............................................................................................................. G–27
G.6.4.2.10 Sweep Direction ................................................................................................................. G–27
G.6.4.2.11 Bit Error Rate Threshold .................................................................................................... G–27
G.6.4.3 Interface/Doppler Buffer ............................................................................................................. G–28
G.6.4.3.1 Baseband Loopback ............................................................................................................. G–28
G.6.4.3.2 Transmit Clock..................................................................................................................... G–28
G.6.4.3.3 Receive Clock ...................................................................................................................... G–28
G.6.4.3.4 External Reference Frequency ............................................................................................. G–28
G.6.4.3.5 Interface Reference Clock.................................................................................................... G–29
G.6.4.3.6 Interface Buffer Center ........................................................................................................ G–29
G.6.4.3.7 Interface Buffer Depth ......................................................................................................... G–29
G.6.4.4 System Commands/Responses .................................................................................................... G–30
G.6.4.4.1 Time of Day ......................................................................................................................... G–30
G.6.4.4.2 Date ...................................................................................................................................... G–30
G.6.4.4.3 Remote ................................................................................................................................. G–31
G.6.4.4.4 Clear Stored Faults............................................................................................................... G–31
G.6.4.4.5 Modem Operation Mode ...................................................................................................... G–31
G.6.4.5 Status Commands/Responses ...................................................................................................... G–32
G.6.4.5.1 Configuration ....................................................................................................................... G–32
G.6.4.5.1.1 Modulator/Coder Configuration Status......................................................................... G–32
G.6.4.5.1.2 Modulator/Coder Configuration Program..................................................................... G–33
G.6.4.5.1.3 Demodulator/Decoder Configuration Status................................................................. G–33
G.6.4.5.1.4 Demodulator/Decoder Configuration Program............................................................. G–34
G.6.4.5.1.5 Interface Configuration Status ...................................................................................... G–34
G.6.4.5.2 Modem Faults Status (Summary)......................................................................................... G–35
G.6.4.5.3 Modulator Status .................................................................................................................. G–35
G.6.4.5.4 Demodulator Status .............................................................................................................. G–35
G.6.4.5.5 Common Equipment Status.................................................................................................. G–36
G.6.4.5.6 Bit Error Rate Status ............................................................................................................ G–36
G.6.4.5.6.1 Raw BER ...................................................................................................................... G–36
G.6.4.5.6.2 Corrected BER.............................................................................................................. G–37
G.6.4.5.7 E /N
b
G.6.4.5.8 Modulator Rate..................................................................................................................... G–37
G.6.4.5.9 Demodulator Rate ................................................................................................................ G–38
G.6.4.5.10 Receive Signal Level.......................................................................................................... G–38
G.6.4.5.11 Current Sweep Value ......................................................................................................... G–38
G.6.4.5.12 Stored Faults ...................................................................................................................... G–38
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..................................................................................................................................... G–37
0
SDM-650B Satellite Modem
Rev. 5