Comtech-ef-data SNM-1000 Uživatelský manuál stáhnout pdf (Strana 68)

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SNM-1000 Node Control Modem Revision 3

Operation MN/SNM1000.IOM

3–26

3.4.4.1 STORED FLTS/ALMS:MODULATOR

MODULATOR X

STORED TIME/DATE

(FAULT LABEL)

---------

IF Synthesizer

DATA CLOCK SYN

I CHANNEL

Q CHANNEL

AGC LEVEL

MODEM REF ACT

MODEM REF PLL

MODULE CONFIGURATION

3.4.4.2 STORED FLTS/ALMS:DEMODULATOR

DEMODULATOR X

STORED TIME/DATE

(FAULT LABEL)

---------

CARRIER DETECT

IF SYNTHESIZER

I CHANNEL

Q CHANNEL

BER THRESHOLD

MODEL

CONFIGURATION

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 183 184

Node Control Modem 1
Installation and O 1
SNM-1000 3
Procedural Steps 4
Network Support Customer Plan 5
Table of Contents 7
Preface MN/SNM1000.IOM 11
Figures 12
About this Manual 13
Related Documents 13
Conventions and References 13
Cautions and Warnings 13
Metric Conversion 14
Trademarks 14
Electrical Safety 15
Environmental 15
Installation 16
IMPORTANT 17
European EMC Directive 18
Warranty Policy 19
Limitations of Warranty 19
Exclusive Remedies 19
Disclaimer 19
Chapter 1. INTRODUCTION 21
1.1 Overview 22
1.1.1 Additional Features 22
1.1.2 Mode of Operation 23
1.2 Description 24
1.3 Options 25
1.4 Specifications 26
1.4.1 General Specifications 26
Introduction MN/SNM1000.IOM 27
1.4.3 DAC Specification 28
1.6 Dimensional Envelope 31
Chapter 2. INSTALLATION 33
2.2 Installation 34
Installation MN/SNM1000.IOM 35
2.3 Rear Panel Connections 36
2.3.1 EFBUS1/2 Port (J6) 37
2.3.3 User Port 39
≥ 0 dBm 42
Chapter 3. OPERATION 43
3.1.1 LED Indicators 44
3.1.2 Front Panel Keypad 45
3.2 Menu System 46
3.3 Front Panel Menu 47
3.4 OPENING SCREEN 48
MODEM REFERENCE 51
INTERNAL 51
CONFIGURATION 51
DEMODULATOR 51
TX CLOCK PHASE 55
EXT-CLK FREQ 55
1544.000 KHZ 55
BUFFER CLOCK 56
RX (SATELLITE) 56
RX CLOCK PHASE 56
B-BAND LOOP BACK 57
BUFFER SIZE 58
384 BITS 58
BUFFER CENTER 58
3.4.1.4 CONFIGURATION:SAVE 59
3.4.2.1 MONITOR:RAW BER 60
3.4.2.3 MONITOR:EB/NO 61
3.4.2.6 MONITOR:BUFFER FILL 61
FUNCTION SELECT 62
FAULTS/ALARMS 62
MODULATOR 63
+ 63
+-++ 63
TX INTERFACE 64
64
RX INTERFACE 65
STORED FLTS/ALAMS 67
Reed-Solomon option only 70
UTILITY 71
3.4.5.1 UTILITY:MODULATOR 72
3.4.5.1.7 MODULATOR:TX MODE 74
3.4.5.2 UTILITY:DEMODULATOR 75
3.4.5.3 UTILITY:INTERFACE 77
3.4.5.4 UTILITY:NETWORK 80
3.4.5.4.1 NETWORK:RELEASE 80
3.4.5.5 UTILITY:SYSTEM 81
3.4.5.5.1 SYSTEM:TIME/DATE 81
3.4.5.5.4 SYSTEM:REMOTE TYPE 82
MASTER RESET 86
HARD/SOFT 86
3.4.5.6 UTILITY:MODEM TYPE 87
MODEM OPTIONS 89
3.5 User Port Operation 92
3.6.1 User Port Modem 93
3.6.2 Remote Site Modem 93
3.7 SNM-1000 Commands 94
3.7.1 Character Set 94
3.7.3 Message Structure 94
3.7.3.1 Prefix 94
3.7.3.2 Message Body 95
3.7.3.3 End Character 95
3.7.3.4 Case Sensitivity 95
3.7.3.5 Delimiters 95
3.7.3.6 End Character 95
3.7.3.7 Queries 96
3.7.4 Node Address (NA) 96
3.7.4.1 Command Format 96
SNM-1000 transmit power 98
3.7.12 SNM-1000 Mode (MD) 100
3.7.12.1 Command Format 100
3.7.13.1 Help Screen 101
3.7.13.2 Flash Updates 101
3.7.13.6 Ram Test 102
3.7.13.3 PDREM Ram 102
3.7.13.4 Area1 Defaults 102
3.7.13.5 Area2 Defaults 102
3.7.15.1 Command Format 104
3.7.16 Channel Type (CT) 104
3.7.16.1 Command Format 104
3.7.17.1 Command Format 105
3.7.18 Data Call 106
3.7.18.1.1 Command Format 106
Operation MN/SNM1000.IOM 107
3.7.18.2.1 Command Format 108
3.7.19 Terminate (TE) 108
3.7.19.1 Command Format 108
3.7.20.1 Command Format 109
3.7.20.3 Example 110
3.7.21.1 Command Format 111
3.7.22.1 Command Format 112
3.7.23.1 Command Format 113
3.7.24.1 Command Format 114
3.7.25.1 Command Format 115
3.7.26.1 Command Format 116
3.7.27 Port Redirection 116
3.7.28.1 Command Format 117
(part of J1) 120
CONNECTOR 120
4.1.1 Specifications 121
4.1.2 Theory of Operation 121
4.1.2.1 User Port 121
4.1.4 Monitor and Control 122
4.1.5 Non-Volatile Memory 123
4.1.6 User Port 123
4.2 Modulator 124
4.2.1 Theory of Operation 126
4.2.1.1 Burst Mode 126
4.2.2.1 QPSK Encoding 127
4.3 Demodulator 128
4.3.1 Theory of Operation 129
4.3.1.1 Continuous Mode 129
Chapter 5. MAINTENANCE 131
5.1.1 System Faults/Alarms 132
Maintenance MN/SNM1000.IOM 133
5.1.2 Faults/Alarms Display 136
5.1.3 Faults/Alarms Analysis 136
5.1.3.1 Modulator Faults 137
5.1.3.1.1 Modulator Checkout 138
5.1.3.2 Demodulator Faults 141
WITH NOISE 143
WITHOUT NOISE 143
Appendix A. REMOTE CONTROL 149
OPERATION 149
A.2.1 Character Set 150
A.2.3 Message Structure 150
Command: 152
is added to the 152
(MPO_) 152
A.5.1 Interface Buffer Size 158
A.6.1 Modem Type Commands 160
A.7 Configuration Status 160
Modulator Output Power 161
A.7.1 Modem Faults Status 163
A.8 Stored Faults 168
A.9 Unsolicited Responses 177
A.9.1 Messages from NMS 177
A.9.2 List of Cause Codes 178
METRIC CONVERSIONS 183
Units of Length 183
Temperature Conversions 183
Units of Weight 183
480 • 333 • 2200 PHONE 184
480 • 333 • 2161 184

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