Comtech EF Data CDM-710L Spécifications Page 138
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
CDM-710 Broadcast Satellite Modem Revision 10
CDI-40 ASI Data Interface MN/CDM710.IOM
10.2 General Specifications
The interface operates to the specifications described in Table 10-1.
Table 10-1. Interface Specifications
General Specifications
Data Framing Formats ASI: 188 or 204 byte packets per ETS 300 421.
Test Pattern Tx only, 2047 or 2
23
-1 pattern compatible with typical BER tester
Hot Pluggable No
ASI Specifications
Data Rate Up to155 Mbps
Tx Clock Rate
Acquisition
Programmed data rate ± 100 ppm
ASI Transport The transport rate is 270 Mbps for all data rates
Impedance
75Ω
Return Loss 13 dB over 5 to 270 MHz
Connectors BNC Female
Electrical Properties Per EN 500083-9
Packet Types Burst or distributed
Signal Types Serial data
Voltage Level Rx Out
800 mV ± 10% into 75Ω, (J2, J3 of PL/10881-3 or J2 of PL/10881-4). J3 of
PL/10881-4 is higher for 1:1 applications for 800 mV typical after 3 dB
combiner (Figure 10-5).
ASI Data Loop 3 dB
Frequency, Tx Only
Wide: 2 Hz
Narrow: 0.5 Hz
Jitter Tolerance Meets ITU-T G.823 (3/93) and ITU-T G.824 (3/93)
Jitter Transfer
≤ 0.5 dB peaking up to cutoff frequency.
-20 dB per decade beyond cutoff.
Cable Length, Typical 30 meters (100 feet), RG59
40 meters (140 feet), Belden 8281
Tx Input Selection Two inputs with selection to control, which is active
Loss Of Tx Input Data Null packets are formed and transmitted.
Loss of Tx Input is selectable as a fault or alarm.
Monitor & Control
Controlled Functions Interface I/O Loopback, Digital Loopback
Data Rate
Loss of Data, Mask as Fault or Alarm
Variable ASI Mode
Monitored Functions Loss of Tx Data: The modulator indicates a loss of sync (framed modes) and
transmits Null Packets in the data portion of the frame.
Tx Clock PLL Program Error
Data Violations (Tx)
FIFO Faults
ASI Input Select Input J4 or Input J5
ASI Data Loop BW
Selection
Wide and Narrow (Tx Input Data)
PCR Jitter (RX Output) Less than 100ns after settling
Settling to < 500ns, 20 seconds
Peak PCR jitter < 1000ns typical during settling
10–4
- 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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