Comtech EF Data CDM-710L Spécifications Page 54
- Page / 252
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
CDM-710 Broadcast Satellite Modem Revision 10
Front Panel Operation MN/CDM710.IOM
(CONFIG:) Tx Æ Code
CodeRate:1/2 3/5 2/3
3/4 4/5 5/6 7/8 8/9 9/10
Refer to data rate menu for valid code rates.
IMPORTANT
• All possible choices are presented at all times.
• If an option is not installed (either Hardware or FAST) or is not valid, or if a
code rate is not available for the Mode selected, the ◄ ► arrow keys will
force the cursor to skip past the unavailable choice.
Select the code rate by using the ◄ ► arrow keys. The User should then press ENTER.
(CONFIG:) Tx Æ SymRate
Data: 038.723635 Mbps
Sym: 017.379483 Msps(E)
Use the ◄ ► arrow keys to select the desired digit of the Symbol Rate. The value of the digit is
then changed using the ▲ ▼ arrow keys. The User should then press
ENTER.
The Data Rate digits also change as the Symbol Rate values are edited. The value of the Data
Rate depends upon the code rate, modulation type, and the Mode type selected.
When modulation, code rate and other parameters are changed the modem attempts to maintain
the same symbol rate, provided it is still in range when one of the other parameters is changed.
The valid range of Symbol Rate and Data Rate Range for DVB-S2, DVB-S and DVB-DSNG are
shown in the following table. When programming a new data or symbol rate the modulator will
not accept it unless it is in the range, and it will turn off the Tx Carrier. If a new rate is not
accepted, change the Modulator Code Rate or Mode. There is some round off in the data rate
ranges in the last digit. The first table is for the standard FECFrame and the second table is for the
short frame.
The tables are based on a 188 byte frame format. When a 204 byte format is selected the data rate
increases by 204/188.
5–14
- Broadcast Satellite Modem 1
- CDM-710 3
- Table of Contents 5
- Figures 12
- Preface 13
- Preface MN/CDM710.IOM 14
- Electrical Safety 15
- Environmental 15
- Installation 16
- International Symbols: 16
- CE Mark 16
- RoHS Compliancy 16
- Warranty Policy 18
- Limitations of Warranty 18
- Exclusive Remedies 19
- Chapter 1. INTRODUCTION 21
- Introduction MN/CDM710.IOM 22
- 1.2.2 Verification 24
- 1.3 Major Assemblies 26
- 1.4 New in this Manual 26
- Chapter 2. INSTALLATION 27
- Installation MN/CDM710.IOM 28
- PHYSICAL DESCRIPTIONS 31
- Chapter 3. FUNCTIONAL AND 31
- 3.2 Front Panel 32
- 3.3 Dimensional Envelope 33
- 4.1 External Connections 35
- Chapter 5. FRONT PANEL 41
- OPERATION 41
- 5.1.2 Front Panel Keypad 43
- 5.1.4 Menu Matrix 45
- 5.2 Opening Screen 46
- 5.3 SELECT: (Main) Menu 46
- 5.3.1 (SELECT:) CONFIG 47
- ENTER 49
- 5.3.1.2 (CONFIG:) Tx 51
- (CONFIG:) Tx Æ FEC 51
- (CONFIG:) Tx Æ Mod 52
- (CONFIG:) Tx Æ Code 54
- (CONFIG:) Tx Æ SymRate 54
- (CONFIG:) Tx Æ Mode 56
- (CONFIG:) Tx Æ Frequency 57
- (CONFIG:) Tx Æ Pwr 57
- (CONFIG:) Tx Æ Scram 58
- 5.3.1.3 (CONFIG:) Rx 59
- (CONFIG:) Rx Æ FEC 59
- (CONFIG:) Rx Æ Dem (Demod) 59
- (CONFIG:) Rx Æ Code 62
- (CONFIG:) Rx Æ SymRate 62
- (CONFIG:) Rx Æ Mode 63
- (CONFIG:) Rx Æ Freq 63
- (CONFIG:) Rx Æ Eb/No 63
- (CONFIG:) Rx Æ PLL 64
- (CONFIG:) Intfc1 ASI: Æ Tx 64
- (CONFIG:) Intfc1 ASI: Æ Rx 65
- (CONFIG:) Intfc1 HSSI: Æ Tx 67
- (CONFIG:) Intfc1 HSSI: Æ Rx 68
- For this discussion: 71
- 5.3.1.7 (CONFIG:) Ref 80
- 5.3.1.8 (CONFIG:) Aux 80
- 5.3.1.9 (CONFIG:) Alarms 81
- 5.3.2 (SELECT:) Monitor 82
- RX Traffic: 83
- Demod Unlocked (E) 83
- Unit Fault: No Errors 83
- (E) 83
- For DVB-S and DVB-DSNG only: 84
- Stored Events: View 85
- Clear-All (E) 85
- Log015 23/05/06 09:27:15 85
- Fault – No PHY Link (cb) 85
- 5.3.3 (SELECT:) Test 87
- (SELECT:) Test: Æ Mode 88
- (Available Some Interfaces) 89
- 5.3.4 (SELECT:) INFO 90
- (SELECT:) INFO: Æ Rem 90
- (SELECT:) INFO: Æ Tx 90
- (SELECT:) INFO: Æ Rx 91
- 5.3.5 (SELECT:) Save/Load 92
- (SELECT:) Save/Load: Æ Save 92
- (SELECT:) Save/Load: Æ Load 93
- (UTIL:) Firmware Æ Info 96
- (UTIL:) Firmware Æ Select 98
- (UTIL:) FAST ÆConfiguration 98
- (UTIL:) FAST Æ View 99
- Chapter 6. FLASH UPGRADING 101
- IMPORTANT 104
- Chapter 7. FORWARD ERROR 105
- CORRECTION OPTIONS 105
- 7.3.1 Range of Data Rates 106
- Eb/No (dB) 110
- DVB-S: QPSK BER vs Eb/No 110
- Es/No (dB) 113
- DVB-S2: 8-PSK PER vs Es/No 114
- DVB-S2: 16-APSK PER vs Es/No 115
- Chapter 8. SUMMARY OF 117
- SPECIFICATIONS 117
- 8.3 70/140 MHz Modulator 119
- 8.4 L-Band Modulator 120
- Relative power (dB) 121
- 8.5 70/140 MHz Demodulator 122
- 8.6 L-Band Demodulator 122
- Maximum Level 123
- Minimum Level 123
- 8.7 Test Functions 125
- 8.8 Monitor Functions 125
- 8.9 Remote Port Operation 126
- 8.10 Data Rate Range 126
- Chapter 9. SNMP INTERFACE 129
- 9.3 SNMP Community Strings 131
- 9.4 SNMP Traps 131
- 9.5 Common Private MIB 131
- 9.5.2 Remote Serial Group 131
- Chapter 10. CDI-40 ASI 135
- Data Interface 135
- 10.2 General Specifications 138
- 10.3.1 MPEG-2 Null Packet 139
- 10.4 Connector Pinouts 140
- 10.4.1 ASI Connector Pinout 140
- 10.5 ASI Interface Defaults 140
- (GbE) INTERFACE 141
- 11.2 Physical Description 142
- 11.3 General Specifications 142
- 11.4 Connector Pinout 145
- 12.1 Introduction 151
- 12.2 Physical Description 152
- 12.3 General Specifications 153
- Continuous Clock 154
- Gap Clock 154
- Chapter 13. WEB SERVER 155
- 13.2 Web Server Login 156
- 13.2.2 Login Prompt 157
- 13.3 Home Pages 158
- 13.3.1 Home Page 158
- 13.3.2 Contact Information 159
- 13.3.3 Support 160
- NOTE 161
- Appendix A. REMOTE CONTROL 163
- A.3 RS-232 164
- A.4 Basic Protocol 164
- A.5 Packet Structure 164
- A.5.1 Start Of Packet 165
- A.5.2 Address 165
- A.5.3 Instruction Code 165
- A.5.5 Message Arguments 167
- A.5.6 End Of Packet 167
- A.6.1 Modulator 171
- P= Reserved 182
- R= Reserved 182
- A.6.2 Demodulator 190
- N/A 5 bytes Query only 192
- A.6.3 Modem 210
- A.6.4 Priority System 217
- 1xxxxxxxxxx1250.0000101.00 240
- Appendix B. Eb/No 245
- MEASUREMENT 245
- METRIC CONVERSIONS 251
- Units of Length 251
- Temperature Conversions 251
- Units of Weight 251
- • 333 • 2200 PHONE 252
- • 333 • 2161 FAX 252
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