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Comtech EF Data SLM-3650 manual available for free PDF download: Installation And Operation Manual
Comtech EF Data
SLM-3650
Installation And Operation Manual
Comtech EF Data SLM-3650 Installation And Operation Manual (345 pages)
Satellite Modem
Brand:
Comtech EF Data
| Category:
Modem
| Size: 5.78 MB
Table of Contents
Table of Contents
6
Chapter 1. Introduction
18
Overview
18
Figure 1-1. SLM-3650
18
Standard Features
19
Modes of Operation
20
Modem Construction
22
Figure 1-2. Modular Design
22
Options
23
Table 1-1. Options
23
FAST Options
24
Table 1-2. FAST Options
24
Factory-Installed Options
25
Factory- or User-Installed Options
25
Figure 1-3. Block Diagram
26
UB-530 Breakout Panel
27
Modem Assemblies
28
Table 1-3. Comtech EF Data Part Numbers for Various Modules
28
Specifications
29
Table 1-4. SLM-3650 Satellite Modem Specifications
29
BER Performance Specifications
32
Viterbi Decoder BER
32
Table 1-5. Viterbi Decoder BER Data
32
Figure 1-4. Viterbi BER Performance Curves
33
INTELSAT Viterbi with Reed-Solomon Codec BER
34
Table 1-6. INTELSAT Viterbi with Reed-Solomon BER Data
34
Figure 1-5. INTELSAT Viterbi with Reed-Solomon BER Performance Curves
35
Viterbi/Sequential Closed Network Connection BER (with Reed-Solomon)
36
Table 1-7. Viterbi/Sequential Decoder with RS
36
Figure 1-6. Viterbi/Sequential Closed Network Connection (with Reed-Solomon)
37
Sequential Decoder BER (56 Kbps)
38
Table 1-8. Sequential BER Data (56 Kbps)
38
Figure 1-7. Sequential BER Specification Curves (56 Kbps)
39
Sequential Decoder BER (1544 Kbps)
40
Table 1-9. Sequential Decoder BER Data (1544 Kbps)
40
Figure 1-8. Sequential Decoder BER Specification Curves (1544 Kbps)
41
Trellis 8PSK BER
42
Table 1-10. 8-PSK Specification
42
Figure 1-9. 8-PSK BER Specification Curves (1544 Kbps)
43
Performance with Noise Turbo Product Codec (Optional)
44
Table 1-11. Turbo Product Codec
44
Figure 1-10. Turbo Product Codec
45
Performance with Uncoded, BPSK, QPSK, and OQPSK
46
Typical Spectral Occupancy
46
Figure 1-11. Uncoded Curves
46
Table 1-12. Uncoded Values
46
Figure 1-12. Typical Spectral Occupancy
47
Dimensional Envelope
48
Figure 1-13. SLM-3650 Dimensional Drawing
48
Chapter 2 Installation
49
Unpacking
49
Installation
50
Figure 2-1. Installation of the Mounting Bracket
51
External Modem Connections
52
Table 2-1. Modem Rear Panel Connectors
52
Figure 2-2. Basic Modem, 25-Pin D Connector
53
Figure 2-3. Overhead Option, 50-Pin D Connector
53
Figure 2-4. (V.35) 34-Pin Winchester Connector
53
Figure 2-5. EIA-422/449, 37-Pin D Connector
53
Figure 2-6. 8-Channel, 100-Pin MUX Connector
53
Remote Connector and Pinouts (J6)
54
Table 2-2. Remote Connector and Pinouts (J6)
54
Fault Connector and Pinouts (J7)
55
Table 2-3. Fault Connector and Pinouts (J7)
55
Data I/O Interface Connector (J8)
56
Table 2-4. 25-Pin D Connector Pinouts
57
Table 2-5. 50-Pin Connector Pinouts
58
Table 2-6. Optional 37-Pin Connector Pinouts
60
Table 2-7. 34-Pin Winchester Connector Pinouts (V.35)
61
Table 2-8. Connector (J8) Matrix
62
Figure 2-7. Data I/O Connector (J8) Removal/Installation
64
Table 2-9. G.703 T1/E1/ASYNC Interface Adapter
65
Auxiliary 1 Connector and Pinouts (J9)
66
Table 2-10. AUX 1 Connector and Pinouts (J9)
66
Alarms Connector and Pinouts (J10)
67
Table 2-11. Alarms Connector and Pinouts (J10)
67
RF Output Connector (CP1)
68
RF Input Connector (CP2)
68
External Reference (CP3)
68
AC Power Connector
68
Ground Connector (GND)
68
Turbo Product Codec FEC
69
BER Performance
70
Data Rate
70
Remote Control & Menu Structure Changes
71
Upgrading to Turbo
71
Figure 2-8. Turbo Codec BER Performance
72
Figure 2-9. Card Removal
75
Figure 2-10. Turbo Codec Card Installation
76
Duplex Reed-Solomon
77
Upgrading to Duplex Reed-Solomon
77
Install Duplex Reed-Solomon Board and Firmware
77
Duplex Reed-Solomon Set-Up
78
Chapter 3 Operation
81
Front Panel
81
Figure 3-1. Front Panel View
81
Table 3-1. LED Indicators
82
Figure 3-2. Keypad
83
Revision Emulation Operation
84
Data Rates
84
Table 3-2. SLM-3650 Revision Emulation
84
Menu System
85
Figure 3-3. Main Menu
87
Figure 3-4. Configuration Modulator Menu
88
Function Select: Configuration: Modulator
89
Figure 3-5. Configuration Demodulator Menu
92
Function Select: Configuration: Demodulator
93
Figure 3-6. Configuration Interface Menu
96
Function Select: Configuration: Interface
98
Figure 3-7. Configuration Local AUPC Menu
106
Function Select: Configuration: Local AUPC
107
Figure 3-8. Configuration MUX
108
Function Select: Configuration: MUX
109
Figure 3-9. Configuration Flex Mux
110
Function Select: Configuration: Flex Mux
112
Figure 3-10. Configuration Save Menu
116
Function Select: Configuration: Save
117
Function Select: Configuration: Recall
117
Figure 3-11. Configuration Recall Menu
117
Figure 3-12. Monitor Menu
118
Function Select: Monitor
119
Function Select: Faults/Alarms
121
Figure 3-13. Faults/Alarms Menu
122
Function Select: Stored Faults/Alarms
127
Figure 3-14. Stored Faults/Alarms Menu
128
Function Select: Remote AUPC
129
Function Select: Remote AUPC Configuration
129
Figure 3-15. Remote AUPC Configuration Menu
130
Figure 3-16. Remote AUPC Monitor Menu
130
Function Select: Utility
131
Figure 3-17. Utility Modulator Menu
132
Figure 3-18. Utility Demodulator Menu
135
Figure 3-19. Utility Interface Menu
138
Figure 3-20. Utility System Menu
142
Figure 3-21. Utility Modem Type Menu
148
Figure 3-22. Utility Factory Setup Menu
155
Figure 3-23. RF Loopback
156
Figure 3-24. if Loopback
156
Figure 3-25. Baseband Loopback
157
Figure 3-26. Interface Loopback
157
Software Configuration
158
Table 3-3. Modem Types
158
Table 3-4. IDR Parameter Settings
159
Table 3-5. IBS Parameter Settings
160
Table 3-6. D&I Parameter Settings
161
Table 3-7. N X 64 Chart
161
Table 3-8. Asynchronous Parameter Settings
162
Table 3-9. EFD Closed Network Parameter Settings
164
Table 3-10. SDM-100 Emulation Parameter Settings
165
Table 3-11. SDM-6000 Emulation Parameter Settings
166
Clocking Options
167
EIA-232, EIA-422, or V.35 Master/Master
167
EIA-232, EIA-422, or V.35 Master/Slave
167
IDR/IBS G.703 Master/Master
168
IDR/IBS G.703 Master/Slave
168
Figure 3-27. EIA-422, EIA-232, or V.35 Master/Master Clocking Diagram
169
Figure 3-28. EIA-422, EIA-232, or V.35 Master/Slave Clocking Diagram
170
Figure 3-29. IDR/IBS G.703 Master/Master Clocking Diagram
171
Figure 3-30. IDR/IBS G.703 Master/Slave Clocking Diagram
172
Figure 3-31. D&I G.703 Master/Master Clocking Diagram
173
D&I G.703 Master/Master
174
Buffering
174
Figure 3-32. Clock Slip
175
Figure 3-33. Doppler Shift
176
Buffer Size
177
Converting between Bits and Seconds
179
Chapter 4 Theory of Operation
181
Monitor and Control (M&C)
181
Theory of Operation
182
Figure 4-1. M&C Block Diagram
182
Remote Baud Rate
184
Remote Address
184
SLM-3650 Custom Modem Defaults
185
Modulator
188
Figure 4-2. Modulator Block Diagram
188
Modulator Specifications
189
Table 4-2. Modulator Specifications
189
Theory of Operation
191
Theory of Modulation Types
192
Demodulator
194
Figure 4-3. Demodulator Block Diagram
194
Demodulator Specifications
195
Table 4-3. Demodulator Specification
195
Theory of Operation
196
Decoder
198
Interface
199
Figure 4-4. Interface Block Diagram
200
Interface Specifications
201
Table 4-4. Digital Interfaces
201
Table 4-5. EIA-422/EIA-449 Specifications
202
Table 4-6. V.35 Specifications
202
Table 4-7. EIA-232 Specifications
203
Plesiochronous/Doppler/Buffer
204
Closed Network
205
Open Network
205
Backward Alarm Theory and Connections
206
Chapter 5 Maintenance
209
System Checkout
209
Interface Checkout
210
Figure 5-1. Fault Isolation Test Setup
210
Modulator Checkout
211
Figure 5-2. Typical Output Spectrum (with Noise)
213
Figure 5-3. Typical Output Spectrum (Without Noise)
213
Demodulator Checkout
214
Figure 5-4. Typical Eye Constellations
215
Fault Isolation
216
System Faults/Alarms
216
Table 5-2. SLM-3650 Fault Tree
217
Faults/Alarms Display
220
Faults/Alarms Analysis
220
Table A-1. FAST Options and Required Configurations
230
Table A-2. D&I Specification
236
Figure A-1. D&I with Asynchronous Overhead Block Diagram
238
Figure A-2. D&I with Asynchronous Overhead Data Flow
239
Figure A-3. E1 Framing Formats
244
Figure A-4. T1 Framing Formats
245
Table A-3. D&I Modem Faults
246
Figure A-5. ASYNC/AUPC Block Diagram
248
Table A-4. ASYNC Remote Operation
256
Figure A-6. Remote ASYNC Connection Diagram for y Cable
257
Figure A-7. Remote ASYNC Connection Diagram for Breakout Panel
258
Table A-5. Local EIA-232 to Remote EIA-232
259
Table A-6. Local EIA-232 to Remote EIA-485 (4-Wire
260
Table A-7. Local EIA-232 to Remote EIA-485 (2-Wire
261
Table A-8. Local EIA-485 (4-Wire) to Remote EIA-232
262
Table A-9. Local EIA-485 (4-Wire) to Remote EIA-485 (4-Wire
263
Table A-10. Local EIA-485 (4-Wire) to Remote EIA-485 (2-Wire
264
Table A-11. Local EIA-485 (2-Wire) to Remote EIA-232
265
Table A-12. Local EIA-485 (2-Wire) to Remote EIA-485 (4-Wire
267
Table A-13. ASYNC/AUPC Modem Defaults
269
Figure A-8. Sequential Decoder Block Diagram
270
Figure A-9. Viterbi Decoder Block Diagram
272
Table A-14. Viterbi Specification
273
Figure A-10. IDR Interface Block Diagram
277
Table A-15. IDR Specification
278
Table A-16. IDR Modem Defaults
279
Figure A-11. IBS Interface Block Diagram
281
Table A-17. IBS Specification
282
Table A-18. IBS Modem Defaults
283
Figure A-12. Transmit Section of the Asymmetrical Loop Timing Block Diagram
285
Figure A-13. Receive Section of the Asymmetrical Loop Timing Block Diagram
286
Table A-19. G.703 Specifications
288
Figure A-14. Reed-Solomon PCB
289
Figure A-15. Reed-Solomon Codec Block Diagram
290
Table A-20. Specifications
290
Figure A-16. Reed-Solomon Encoder Section Block Diagram
291
Figure A-17. Reed-Solomon Code Page Format
293
Figure A-18. Reed-Solomon Decoder Section Block Diagram
294
Table A-21. Reed-Solomon Specifications Optional
295
Figure A-19. Reed-Solomon Codec Installation
297
Table A-22. R-S Codes
300
Figure A-25. Performance with Noise, Viterbi Decoder and Reed-Solomon (Optional
306
Table A-23. Performance with Noise, Viterbi Decoder and Reed-Solomon (Optional
307
Figure A-27. Main Board Field-Changeable Chips
311
Figure A-28. Overhead Board Field-Changeable Chips
312
Figure A-29. 8-Channel Multiplexer PCB
313
Table A-24. Specification Summary
315
Table A-25. MUX Data 100-Pin Connector (J10
316
Table A-27. Multiplexer Specification
317
Figure A-30. Flex Mux
318
Table A-28. Demultiplexer Specific Specifications
319
Table A-29. 50-Pin Connector Pin Assignments
321
Figure A-32. Sequential Decoding 64 Kbps
328
Figure A-38. Comtech EF Data Turbo Product Codec Rate 3/4 QPSK/OQPSK, and 8PSK
334
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