Comtech EF Data CDM-710G Dokumentacja Strona 230
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CDM-710 Broadcast Satellite Modem Revision 11
Eb/No Measurement MN/CDM710.IOM
B–4
Table B-2. CDM-710 Co+No/No to C/N (Es/No) and Eb/No (dB) For DVB-S2 QPSK and 8-APSK
(DVB-S2 uses C/N (Es/No), and Eb/No is shown for information)
Notes:
1. Eb/No = Es/No – 10 Log (Spectral Efficiency). 2. The Required C/N for QEF with FECFrame = 16,200 bits is typically 0.2 to 0.3 dB higher. 3. Shaded values are high error rate or unusable.
QPSK 8PSK
0.490243 0.656448 0.789412 0.988858 1.188304 1.322253 1.487473 1.587196 1.654663 1.766451 1.788612 1.779991 1.980636 2.228124 2.478562 2.646012 2.679207
1/4 1/3 2/5 1/2 3/5 2/3 3/4 4/5 5/6 8/9 9/10 3/5 2/3 3/4 5/6 8/9 9/10
(Co+No)/No C/N = Es/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No
2.0 -2.3 0.8 -0.5 -1.3 -2.3 -3.1 -3.5 -4.1 -4.3 -4.5 -4.8 -4.9 -4.8 -5.3 -5.8 -6.3 -6.6 -6.6
2.5 -1.1 2.0 0.7 -0.1 -1.0 -1.8 -2.3 -2.8 -3.1 -3.3 -3.6 -3.6 -3.6 -4.1 -4.6 -5.0 -5.3 -5.4
3.0 0.0 3.1 1.8 1.0 0.0 -0.8 -1.2 -1.7 -2.0 -2.2 -2.5 -2.5 -2.5 -3.0 -3.5 -4.0 -4.2 -4.3
3.5 0.9 4.0 2.8 2.0 1.0 0.2 -0.3 -0.8 -1.1 -1.3 -1.5 -1.6 -1.6 -2.0 -2.5 -3.0 -3.3 -3.4
4.0 1.8 4.9 3.6 2.8 1.8 1.0 0.6 0.1 -0.2 -0.4 -0.7 -0.7 -0.7 -1.2 -1.7 -2.1 -2.4 -2.5
4.5 2.6 5.7 4.4 3.6 2.6 1.8 1.4 0.9 0.6 0.4 0.1 0.1 0.1 -0.4 -0.9 -1.3 -1.6 -1.7
5.0 3.3 6.4 5.2 4.4 3.4 2.6 2.1 1.6 1.3 1.2 0.9 0.8 0.8 0.4 -0.1 -0.6 -0.9 -0.9
5.5 4.1 7.2 5.9 5.1 4.1 3.3 2.8 2.3 2.1 1.9 1.6 1.5 1.6 1.1 0.6 0.1 -0.2 -0.2
6.0 4.7 7.8 6.6 5.8 4.8 4.0 3.5 3.0 2.7 2.6 2.3 2.2 2.2 1.8 1.3 0.8 0.5 0.5
6.5 5.4 8.5 7.2 6.4 5.4 4.7 4.2 3.7 3.4 3.2 2.9 2.9 2.9 2.4 1.9 1.5 1.2 1.1
7.0 6.0 9.1 7.9 7.1 6.1 5.3 4.8 4.3 4.0 3.8 3.6 3.5 3.5 3.1 2.6 2.1 1.8 1.8
7.5 6.6 9.7 8.5 7.7 6.7 5.9 5.4 4.9 4.6 4.5 4.2 4.1 4.1 3.7 3.2 2.7 2.4 2.4
8.0 7.3 10.3 9.1 8.3 7.3 6.5 6.0 5.5 5.2 5.1 4.8 4.7 4.7 4.3 3.8 3.3 3.0 3.0
8.5 7.8 10.9 9.7 8.9 7.9 7.1 6.6 6.1 5.8 5.7 5.4 5.3 5.3 4.9 4.4 3.9 3.6 3.6
9.0 8.4 11.5 10.2 9.4 8.5 7.7 7.2 6.7 6.4 6.2 5.9 5.9 5.9 5.4 4.9 4.5 4.2 4.1
9.5 9.0 12.1 10.8 10.0 9.0 8.2 7.8 7.3 7.0 6.8 6.5 6.5 6.5 6.0 5.5 5.0 4.8 4.7
10.0 9.5 12.6 11.4 10.6 9.6 8.8 8.3 7.8 7.5 7.4 7.1 7.0 7.0 6.6 6.1 5.6 5.3 5.3
10.5 10.1 13.2 11.9 11.1 10.1 9.3 8.9 8.4 8.1 7.9 7.6 7.6 7.6 7.1 6.6 6.2 5.9 5.8
11.0 10.6 13.7 12.5 11.7 10.7 9.9 9.4 8.9 8.6 8.5 8.2 8.1 8.1 7.7 7.2 6.7 6.4 6.4
11.5 11.2 14.3 13.0 12.2 11.2 10.4 10.0 9.5 9.2 9.0 8.7 8.7 8.7 8.2 7.7 7.2 7.0 6.9
12.0 11.7 14.8 13.5 12.7 11.8 11.0 10.5 10.0 9.7 9.5 9.2 9.2 9.2 8.7 8.2 7.8 7.5 7.4
12.5 12.2 15.3 14.1 13.3 12.3 11.5 11.0 10.5 10.2 10.1 9.8 9.7 9.7 9.3 8.8 8.3 8.0 8.0
13.0 12.8 15.9 14.6 13.8 12.8 12.0 11.6 11.1 10.8 10.6 10.3 10.3 10.3 9.8 9.3 8.8 8.6 8.5
13.5 13.3 16.4 15.1 14.3 13.4 12.6 12.1 11.6 11.3 11.1 10.8 10.8 10.8 10.3 9.8 9.4 9.1 9.0
14.0 13.8 16.9 15.7 14.9 13.9 13.1 12.6 12.1 11.8 11.6 11.4 11.3 11.3 10.9 10.3 9.9 9.6 9.5
14.5 14.3 17.4 16.2 15.4 14.4 13.6 13.1 12.6 12.3 12.2 11.9 11.8 11.8 11.4 10.9 10.4 10.1 10.1
15.0 14.9 18.0 16.7 15.9 14.9 14.1 13.6 13.1 12.9 12.7 12.4 12.3 12.4 11.9 11.4 10.9 10.6 10.6
15.5 15.4 18.5 17.2 16.4 15.4 14.6 14.2 13.7 13.4 13.2 12.9 12.9 12.9 12.4 11.9 11.4 11.1 11.1
16.0 15.9 19.0 17.7 16.9 15.9 15.1 14.7 14.2 13.9 13.7 13.4 13.4 13.4 12.9 12.4 11.9 11.7 11.6
16.5 16.4 19.5 18.2 17.4 16.5 15.7 15.2 14.7 14.4 14.2 13.9 13.9 13.9 13.4 12.9 12.5 12.2 12.1
17.0 16.9 20.0 18.7 17.9 17.0 16.2 15.7 15.2 14.9 14.7 14.4 14.4 14.4 13.9 13.4 13.0 12.7 12.6
17.5 17.4 20.5 19.3 18.4 17.5 16.7 16.2 15.7 15.4 15.2 15.0 14.9 14.9 14.5 13.9 13.5 13.2 13.1
18.0 17.9 21.0 19.8 19.0 18.0 17.2 16.7 16.2 15.9 15.7 15.5 15.4 15.4 15.0 14.5 14.0 13.7 13.7
18.5 18.4 21.5 20.3 19.5 18.5 17.7 17.2 16.7 16.4 16.3 16.0 15.9 15.9 15.5 15.0 14.5 14.2 14.2
19.0 18.9 22.0 20.8 20.0 19.0 18.2 17.7 17.2 16.9 16.8 16.5 16.4 16.4 16.0 15.5 15.0 14.7 14.7
Spectral Efficiency
Code Rate
- CDM-710 1
- Table of Contents 5
- Figures 14
- PREFACE 15
- Preface MN/CDM710.IOM 16
- Installation 17
- Environmental 17
- CE Mark 18
- RoHS Compliance 18
- Warranty Policy 19
- Limitations of Warranty 19
- Exclusive Remedies 20
- Customer Support 21
- Online Customer Support 21
- Chapter 1. INTRODUCTION 23
- 1.2 Functional Description 24
- Introduction MN/CDM710.IOM 25
- 1.3.1 Physical Description 26
- 1.3.2 Major Assemblies 27
- 1.3.3 Dimensional Envelope 28
- 1.3.4 Physical Features 29
- 1.3.4.1 Front Panel 29
- 1.3.4.2 Rear Panel 30
- 1.3.6 Verification 32
- FAST System Theory 33
- FAST Implementation 33
- FAST Accessible Options 33
- Figure 1-7. Spectral Mask 36
- 1.4.2 Modulator 37
- 1.4.2.1 CDM-710 (70/140 MHz) 37
- Modulator 37
- 1.4.3 Demodulator 38
- Maximum Level 39
- Minimum Level 39
- 1.4.4 Test Functions 41
- 1.4.5 Monitor Functions 41
- 1.4.6 Remote Port Operation 41
- 1.4.7 Data Rate Range 42
- Chapter 2. INSTALLATION 45
- 2.2 Mounting 46
- Installation MN/CDM710.IOM 47
- Chapter 3. REAR PANEL 49
- CONNECTORS 49
- PINOUTS 49
- 3.2.1 Tx IF Connectors, J1 51
- 3.2.2 Rx IF Connectors, J3 51
- 3.4 Utility Connections 52
- 3.4.1 Alarms Connector, P1 52
- 3.5 Power/Ground Connectors 54
- Chapter 4. FLASH UPGRADING 55
- IMPORT ANT 56
- 4.5 USB Procedure 59
- Chapter 5. FRONT PANEL 61
- OPERATION 61
- 5.1.2 Front Panel Keypad 63
- 5.2 Opening Screen 64
- 5.2.1 Menu Matrix 65
- 5.3 SELECT: (Main) Menu 66
- 5.3.1 SELECT: Config 67
- (CONFIG: Remote) Local 68
- (CONFIG: Remote) Serial 68
- (CONFIG: Remote) Ethernet 69
- ◄ ► arrow keys to select the 70
- (CONFIG: Tx) Mod 72
- (CONFIG: Tx:) Mod Æ Type 72
- (CONFIG:Tx) Mod Æ Inv 72
- (CONFIG: Tx) Mod Æ α 73
- (CONFIG: Tx) Code 74
- (CONFIG : Tx) SymRate 74
- (CONFIG: Tx) Mode 76
- (CONFIG: Tx) Frequency 77
- (CONFIG: Tx) Pwr 77
- (CONFIG: Tx) Pwr Æ Level 78
- (CONFIG: Tx) Pwr Æ On/Off 78
- (CONFIG: Tx) Pwr Æ Imped 78
- 5.3.1.3 (CONFIG:) Rx 79
- (CONFIG: Rx) FEC 79
- (CONFIG: Rx) Dem (Demod) 79
- (CONFIG: Rx) Dem Æ Type 79
- (CONFIG: Rx) Dem Æ Inv 80
- (CONFIG: Rx) Dem Æ Acq 80
- (CONFIG: Rx) Dem Æ α 80
- (CONFIG: Rx) Dem Æ Eq 80
- (CONFIG: Rx) Dem Æ IQ-TP 81
- (CONFIG: Rx) Code 81
- (CONFIG: Rx) SymRate 82
- (CONFIG: Rx) Mode 82
- (CONFIG: Rx) Freq 82
- (CONFIG: Rx) Eb/No 83
- (CONFIG: Rx) PLL 83
- Interface 2 84
- (CONFIG: Intfc1 ASI) Config 85
- (CONFIG: Intfc1 HSSI) Tx 86
- ENTER when done 89
- ENTER 89
- • Normal: CTS = RTS 89
- ENTER. Enable is selected to 93
- ENTER. Enable is 93
- ENTER or CLEAR when done 95
- 5.3.1.7 (CONFIG:) Ref 97
- 5.3.1.8 (CONFIG:) Aux 97
- (CONFIG: Aux) Auto/Manual 97
- (CONFIG: Aux) Ena/Dis 98
- (CONFIG: Aux) FORCE(1:1) 98
- 5.3.1.9 (CONFIG:) Alarms 98
- (CONFIG: Alarms) Tx 98
- (CONFIG: Alarms) Intfc1 99
- 5.3.2 SELECT: Monitor 99
- 5.3.2.1 (Monitor:) Alarms 99
- (Monitor: Alarms) Transmit 99
- (Monitor: Alarms) Receive 100
- (Monitor: Alarms) Unit 100
- 5.3.2.2 (Monitor:) Rx_Stats 102
- (Monitor:) Event-Log Æ View 103
- 5.3.3 SELECT: Test 103
- 5.3.3.1 (Test:) Mode 103
- (Available Some Interfaces) 105
- 5.3.4.1 (INFO:) Rem 106
- 5.3.4 SELECT: Info 106
- 5.3.4.2 (INFO:) Tx 107
- 5.3.4.3 (INFO:) Rx 107
- 5.3.5 SELECT: Save/Load 109
- 5.3.5.1 (Save/Load:) Save 109
- 5.3.5.2 (Save/Load:) Load 110
- 5.3.6.1 (UTIL:) RT-Clk 110
- 5.3.6.2 (UTIL:) Ref 111
- 5.3.6.3 (UTIL:) ID 111
- 5.3.6.4 (UTIL:) Display 111
- 5.3.6.5 (UTIL:) Firmware 111
- (Firmware:) Info 112
- (Firmware:) Info Æ Bootrom 112
- (Firmware:) Select 112
- 5.3.6.6 (UTIL:) FAST 114
- (FAST:) Cnfg (Configuration) 114
- (FAST:) Cnfg Æ Code 114
- (FAST:) Cnfg Æ Demo Mode 114
- (UTIL:) FAST Æ View 115
- Chapter 6. ETHERNET 117
- MANAGEMENT 117
- IMPORTANT 118
- 6.3.1.1 Common Private MIBs 119
- 6.3.1.3 ASI Private MIB 119
- 6.3.1.6 HSSI MIB 120
- 6.3.3 SNMP Traps 120
- 6.4 Telnet Interface 121
- 6.4.2 Using Telnet 123
- 6.4.3 Telnet Examples 123
- 6.5.2 User Login 124
- 6.5.3 Web Server Menu Tree 125
- 6.5.4.1 Home Page 126
- Select Boot Image 135
- Perform Soft Reboot 135
- Chapter 7. FORWARD ERROR 141
- CORRECTION OPTIONS 141
- 7.3.1 Range of Data Rates 142
- Eb/No (dB) 146
- DVB-S: QPSK BER vs Eb/No 146
- Es/No (dB) 149
- Chapter 8. CDI-40 ASI 153
- INTERFACE MODULE 153
- 8.2.1 Connector Pinouts 155
- 8.3 Functional Description 156
- 8.3.1.1 MPEG-2 Null Packet 156
- 8.3.3 1:1 Applications 157
- 8.4 General Specifications 158
- Chapter 9. CDI-60 HSSI 159
- 9.2 Physical Description 160
- 9.2.1 Connector Pinout 161
- Continuous Clock 162
- Gap Clock 162
- GIGABIT ETHERNET (GigE) 163
- Gigabit Ethernet Card 164
- MPEG COP3 Annex A) 166
- Appendix A. REMOTE CONTROL 171
- A.3 EIA-232 172
- A.4 Basic Protocol 172
- A.5.3 Address Delimiter 174
- A.5.4 Instruction Code 174
- A.5.7 End Of Packet 175
- Appendix A MN/CDM710.IOM 176
- A–6 176
- A.6.1 Modulator 177
- A–8 178
- A–9 179
- A–10 180
- A–11 181
- A–12 182
- A–13 183
- A–14 184
- A–15 185
- A–16 186
- A–17 187
- A–18 188
- A–19 189
- A.6.2 Demodulator 190
- A–21 191
- A–22 192
- A–23 193
- A–24 194
- A–25 195
- A–26 196
- A–27 197
- A–28 198
- N/A 5 bytes Query only 199
- A–30 200
- A–31 201
- A–32 202
- A.6.3 Modem 203
- A–34 204
- A–35 205
- A–36 206
- A.6.4 Priority System 207
- A–38 208
- A–39 209
- A–40 210
- A–41 211
- A–42 212
- A–43 213
- A–44 214
- A–45 215
- A–46 216
- A–48 218
- A–49 219
- A–50 220
- A–51 221
- A.6.5.1 MGC Format 222
- A–53 223
- A–54 224
- A–55 225
- A–56 226
- Appendix B. Eb/No 227
- MEASUREMENT 227
- ((Co+No)/No)/10) 228
- Appendix C. FAST ACTIVATION 233
- PROCEDURE 233
- UTILITY Æ FAST menu: 235
- Cnfg, then press [ENTER]: 235
- C.3 Using FAST Demo Mode 236
- METRIC CONVERSIONS 237
- Units of Length 237
- Temperature Conversions 237
- Units of Weight 237
- 480 • 333 • 2200 PHONE 238
- • 333 • 2161 FAX 238
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