Comtech EF Data SDM-309B Specifications Page 202
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SDM-309B Satellite Modem Remote Control
MN/U-SDM309B Rev. # B-Bβ25
INS_xxxβcrβ Insert (OK/FLT)
BWA_xxxβcrβ Receive Backward Alarm (OK/FLT)
BER_xxxβcrβ Frame BER (OK/FLT)
RXD_xxxβcrβ Receive Data Loss/AIS (OK/FLT)
OVFL_xxxβcrβ Buffer Overflow (OK/FLT)
UNFL_xxxβcrββlfβ] Buffer Underflow (OK/FLT)
5.17 Bulk Consolidated Status
This command causes bulk modem status to be returned. To reduce the length of the
response, message parameter data are returned without identifiers. However, parameter
identification can be determined by order of return. Each status parameter is terminated
with a β,β (comma) except for the last parameter which has the standard message
termination sequence (βcrββlfβ]). The maximum number of characters returned is
approxamately 230. Most of the data returned is formated the same way as the single
command status request (refer to the appropriate portions of this document in preceeding
Sections).
Command: <add/BCS_βcrβ
Response: >add/BCS_p1,p2,p3, . . . pnβcrββlfβ]
Where βpnβ is the last parameter returned.
Parameter 1 (p1): Modulator RF output ON/OFF.
p1 = n, where βnβ is β0β to indicate off or β1β to indicate on.
Parameter 2 (p2): Modulator IF frequency.
p2 = nnn.nnnn, where βnnn.nnnnβ is the modulator IF frequency in MHz.
Parameter 3 (p3): Modulator output power level.
p3 = snn.n, where βsnn.nβ transmitter power output power level in dBm.
Parameter 4 (p4): Modulator rate currently programmed.
p4 = nnn_mmmm.m, where βnnnβ is the code rate and βmmmm.mβ is the data rate in Kbps.
Parameter 5 (p5): Modulator filter A assignment.
p5 = nnn_mmmm.m, where βnnnβ is the code rate and βmmmm.mβ is the data rate in Kbps.
Parameter 6 (p6): Modulator filter B assignment.
p6 = nnn_mmmm.m, where βnnnβ is the code rate and βmmmm.mβ is the data rate in Kbps.
Parameter 7 (p7): Modulator filter C assignment.
p7 = nnn_mmmm.m, where βnnnβ is the code rate and βmmmm.mβ is the data rate in Kbps.
Parameter 8 (p8): Modulator filter D assignment.
p8 = nnn_mmmm.m, where βnnnβ is the code rate and βmmmm.mβ is the data rate in Kbps.
Parameter 9 (p9): Carrier only mode ON/OFF.
p9 = n, where βnβ is β0β to indicate off or β1β to indicate on.
Parameter 10 (p10): Differential encoder enable ON/OFF.
p10 = n, where βnβ is β0β to indicate off or β1β to indicate on.
Parameter 11 (p11): Demodulator IF frequency.
p11 = nnn.nnnn, where βnnn.nnnnβ is the demodulator IF frequency in MHz.
Parameter 12 (p12): Demodulator rate currently programmed.
p12 = nnn_mmmm.m, where βnnnβ is the code rate and βmmmm.mβ is the data rate in Kbps.
Parameter 13 (p13): Demodulator filter A assignment.
p13 = nnn_mmmm.m, where βnnnβ is the code rate and βmmmm.mβ is the data rate in Kbps.
Parameter 14 (p14): Demodulator filter B assignment.
p14 = nnn_mmmm.m, where βnnnβ is the code rate and βmmmm.mβ is the data rate in Kbps.
Parameter 15 (p15): Demodulator filter C assignment.
p15 = nnn_mmmm.m, where βnnnβ is the code rate and βmmmm.mβ is the data rate in Kbps.
Parameter 16 (p16): Demodulator filter D assignment.
p16 = nnn_mmmm.m, where βnnnβ is the code rate and βmmmm.mβ is the data rate in Kbps.
- SDM-309B 1
- SDM-309BSDM-309B 1
- Warranty Policy 3
- Limitations of Warranty 3
- Exclusive Remedies 3
- Disclaimer 3
- About this Manual 4
- Cautions and Warnings 4
- Metric Conversion 4
- Trademarks 5
- Customer Support 6
- Table of Contents 8
- Rev. 0 vii 10
- Rev. 0 ix 12
- Chapter 1 14
- INTRODUCTION 14
- 1-1β2 MN/U-SDM309B Rev. # 15
- Figure 1-1 SDM-309B Modem 16
- 1-1β4 MN/U-SDM309B Rev. # 17
- MN/U-SDM309B Rev. # 1-1β5 18
- 1-1β6 MN/U-SDM309B Rev. # 19
- 1.4 System Specification 20
- 1-1β10 MN/U-SDM309B Rev. # 23
- MN/U-SDM309B Rev. # 1-1β11 24
- 1-1β12 MN/U-SDM309B Rev. # 25
- Chapter 2 26
- INSTALLATION 26
- Figure 2-1 Rear Panel View 28
- 2.2.1 Data I/O 29
- 2.2.2 Remote (J6) 29
- 2.2.3 Fault (J7) 29
- 2.2.4 IF Output (CP1) 30
- 2.2.5 IF Input (CP2) 30
- 2.2.6 AC Power 30
- 2.2.7 GND 30
- 2.3 System Requirements 30
- 2.4 System Installation 31
- Chapter 3 32
- OPERATION 32
- 3.1.3 Front Panel Controls 33
- Figure 3-1 Front Panel View 34
- 3.1.4 Configuration 35
- 3.1.4.1 MOD Configuration 35
- 3.1.4.2 DEMOD Configuration 36
- 3.1.5 Monitor 41
- 3.1.6 Faults 41
- 3.1.7 Stored Faults 43
- 3.1.8 Utility 43
- Figure 3-2 Menu Tree 47
- Figure 3-3 Menu Tree 48
- Figure 3-4 Menu Tree 49
- Figure 3-5 Menu Tree 50
- Figure 3-6 Menu Tree 51
- Figure 3-7 Menu Tree 52
- Figure 3-8 IF Loopback 53
- Figure 3-9 RF Loopback 54
- 3β24 MN/U-SDM309B Rev. # 55
- MN/U-SDM309B Rev. # 3β25 56
- 3.2.1 General 57
- 3.2.2 Configuration 57
- 3.2.2.1 MOD Configuration 58
- 3.2.2.2 DEMOD Configuration 59
- 3.2.3 Monitor 65
- 3.2.4 Faults 66
- 3.2.5 Stored Faults 67
- 3.2.6 Utility 68
- Figure 3-12 Menu Tree 71
- Figure 3-13 Menu Tree 72
- Figure 3-14 Menu Tree 73
- Figure 3-15 Menu Tree 74
- Figure 3-16 Menu Tree 75
- Figure 3-17 Menu Tree 76
- 3β46 MN/U-SDM309B Rev. # 77
- Chapter 4 78
- M&C AND INTERFACES 78
- Connect JP7 to RS232 79
- MN/U-SDM309B Rev. # 4-4β3 80
- 4.1.2.2 Remote Baud Rate 81
- 4.1.2.3 Remote Address 81
- 4.1.2.4 Battery 81
- 4.1.2.8 Utility Defaults 83
- 4.2 Digital Interfaces 83
- 4.2.1 IBS/M1200P Interface 84
- 4.2.1.2 Data Interface 84
- 4.2.1.3 Transmit Multiplexer 84
- 4-4β8 MN/U-SDM309B Rev. # 85
- MN/U-SDM309B Rev. # 4-4β9 86
- 4-4β10 MN/U-SDM309B Rev. # 87
- Figure 4-4 IBS Fault Tree 88
- Figure 4-5 Jumper Table 89
- 4.2.1.4 Receive Multiplexer 90
- 4-4β18 MN/U-SDM309B Rev. # 95
- 4.2.1.9.7 Send Data (J7) 98
- 4.2.1.9.8 Receive Data (J8) 99
- MN/U-SDM309B Rev. # 4-4β23 100
- 4-4β24 MN/U-SDM309B Rev. # 101
- 4.2.2.2 Data Interface 102
- 4.2.2.3 Transmit Multiplexer 102
- 4.2.2.7 Backward Alarm 103
- MN/U-SDM309B Rev. # 4-4β27 104
- 4-4β28 MN/U-SDM309B Rev. # 105
- MN/U-SDM309B Rev. # 4-4β29 106
- 4-4β30 MN/U-SDM309B Rev. # 107
- MN/U-SDM309B Rev. # 4-4β31 108
- MN/U-SDM309B Rev. # 4-4β35 112
- 4.2.2.10.11 Faults (J11) 115
- 4.2.2.11 Rear Panel Switches 116
- 4.2.2.11.1 Drop Data Input 116
- 4.2.2.11.2 Drop Data Output 116
- 4.2.2.11.3 Insert Data Input 116
- 4-4β40 MN/U-SDM309B Rev. # 117
- MN/U-SDM309B Rev. # 4-4β41 118
- Table 4-3 119
- MN/U-SDM309B Rev. # 4-4β43 120
- 4-4β44 MN/U-SDM309B Rev. # 121
- 4.3.1 Master/Slave 122
- 4.3.1.2 Master/Slave G.703 123
- 4.3.1.3 Master/Slave X.21 123
- 4.3.2 Master/Master 123
- Chapter 5 125
- THEORY OF OPERATION 125
- Figure 5-1 Modulator Card 127
- 5-5β4 MN/U-SDM309B Rev. # 128
- MN/U-SDM309B Rev. # 5-5β5 129
- 5.1.3 Theory of Operation 130
- 5.2.1 General Description 131
- MN/U-SDM309B Rev. # 5-5β9 133
- 5-5β10 MN/U-SDM309B Rev. # 134
- MN/U-SDM309B Rev. # 5-5β11 135
- 5-5β12 MN/U-SDM309B Rev. # 136
- MN/U-SDM309B Rev. # 5-5β13 137
- 5.2.3 Theory Of Operation 138
- 5.2.3.1 Demod Processor 138
- 5.2.3.2 Viterbi Decoder 138
- 5.3 Demodulator 139
- 5.3.1 General Description 139
- 5.3.2 Specifications 140
- Figure 5-9 Demodulator Card 141
- 5-5β18 MN/U-SDM309B Rev. # 142
- 5.3.3 Theory of Operation 143
- 5.4.1 General 143
- 5.4.2 Reacquisition 144
- 5.4.3 Fast Acquisition 145
- 5.4.4 Directed Sweep 145
- Chapter 6 146
- MAINTENANCE 146
- 6-6β2 MN/U-SDM309B Rev. # 147
- MN/U-SDM309B Rev. # 6-6β3 148
- 6-6β4 MN/U-SDM309B Rev. # 149
- Table 6-1 150
- 6-6β6 MN/U-SDM309B Rev. # 151
- MN/U-SDM309B Rev. # 6-6β7 152
- 6.1.4 Test Points 153
- Figure 6-6 154
- Figure 6-7 155
- Figure 6-8 156
- Figure 6-9 157
- 6.2 Fault Isolation 158
- 6.2.1 Modulator Faults 158
- 6.2.2 Demodulator Faults 159
- Table 6-2 162
- 6-6β18 MN/U-SDM309B Rev. # 163
- MN/U-SDM309B Rev. # 6-6β19 164
- 6-6β20 MN/U-SDM309B Rev. # 165
- MN/U-SDM309B Rev. # 6-6β21 166
- 6.4 Module Replacement 167
- 6.5 Module Identification 167
- 6.6 Repacking For Shipment 167
- Table 6-3 168
- Appendix A 169
- DATA RATES AND FILTERS 169
- 1.2 Variable Rate Filters 170
- MN/U-SDM309B Rev. # Aβ3 171
- Aβ4 MN/U-SDM309B Rev. # 172
- MN/U-SDM309B Rev. # Aβ5 173
- Aβ6 MN/U-SDM309B Rev. # 174
- MN/U-SDM309B Rev. # Aβ7 175
- Aβ8 MN/U-SDM309B Rev. # 176
- MN/U-SDM309B Rev. # Aβ9 177
- Appendix B 178
- SATELLITE MODEM REMOTE 178
- 3.4 End Character 179
- 3.1 Start Character 179
- 3.2 Device Address 179
- 3.3 Command/Responses 179
- 4.2.2 Demodulator Rate 183
- 4.2.4 RF Loop-back (ON/OFF) 184
- 4.2.5 IF Loop-back (ON/OFF) 184
- 4.2.7 Sweep Reacquisition 185
- 4.2.8 Fast Acquisition Mode 185
- 4.2.9 Sweep Center Frequency 185
- 4.2.10 Sweep Width Range 186
- 4.2.11 Sweep Direction 186
- 4.3.12 Interface Buffer Size 188
- 4.3.13 Transmit Data Fault 189
- 4.3.14 Receive Data Fault 189
- 4.3.15 Drop Data Format 189
- 4.3.16 Insert Data Format 189
- 4.4.1 Time Of Day 191
- 4.4.2 Date 191
- 5.3 Modulator Status 195
- 5.4 Demodulator Status 195
- 5.5 Common Equipment Status 196
- 5.8 Bit Error Rate Status 197
- 5.8.1 Raw BER 197
- 5.8.2 Corrected BER 197
- 5.8.3 Corrected BER Log 197
- 5.9 Eb/N0 Status 198
- 5.10 Modulator Rate Status 198
- 5.11 Demodulator Rate Status 198
- 5.13 Current Sweep Value 199
- 5.16 Stored Faults 199
- MN/U-SDM309B Rev. # B-Bβ23 200
- B-Bβ28 MN/U-SDM309B Rev. # 205
- 5.20 Change Status 206
- 5.21 Equipment Type 206
- B-Bβ30 MN/U-SDM309B Rev. # 207
- Appendix C 208
- EXTERNAL CHANNEL UNIT 208
- C-Cβ2 MN/U-SDM309B Rev. # 209
- MN/U-SDM309B Rev. # C-Cβ3 210
- C-Cβ4 MN/U-SDM309B Rev. # 211
- MN/U-SDM309B Rev. # C-Cβ5 212
- C-Cβ6 MN/U-SDM309B Rev. # 213
- MN/U-SDM309B Rev. # C-Cβ7 214
- C-Cβ8 MN/U-SDM309B Rev. # 215
- MN/U-SDM309B Rev. # C-Cβ9 216
- C-Cβ10 MN/U-SDM309B Rev. # 217
- 2.0 Digital Interfaces 218
- 2.1.1 Functional Description 218
- C-Cβ12 MN/U-SDM309B Rev. # 219
- MN/U-SDM309B Rev. # C-Cβ13 220
- C-Cβ14 MN/U-SDM309B Rev. # 221
- 2.1.2 Connector Pinouts 223
- 2.1.3 Specification 223
- 2.2 V.35 Interface 224
- 2.2.1 Functional Description 224
- MN/U-SDM309B Rev. # C-Cβ19 226
- C-Cβ20 MN/U-SDM309B Rev. # 227
- 2.2.2 Connector Pinouts 228
- 2.2.3 Specification 228
- 3.0 Front Panel Operation 229
- 3.1 Configuration 229
- 3.2 Monitor 232
- 3.3 Faults 232
- 3.4 Stored Faults 233
- 3.5 Utility 233
- Figure C-13 Menu Tree 235
- Figure C-14 Menu Tree 236
- Figure C-15 Menu Tree 237
- MN/U-SDM309B Rev. # C-Cβ31 238
- Appendix D 239
- SOFTWARE CHANGE 239
- SPECIFICATIONS 239
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