Comtech-ef-data SMS-458B User Manual Page 4
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SMS-458B Modem Protection Switch Revision 2
Preface MN/SMS458B.IOM
ii
Customer Support
Contact the Comtech EF Data Customer Support Department for:
• Product support or training
• Information on upgrading or returning a product
• Reporting comments or suggestions concerning manuals
A Customer Support representative may be reached at:
Comtech EF Data
Attention: Customer Support Department
2114 West 7th Street
Tempe, Arizona 85281 USA
480 333.2200 (Main Comtech EF Data Number)
480 333.4357 (Customer Support Desk)
480 333.2161 FAX
or, E-Mail can be sent to the Customer Support Department at:
Contact us via the web at www.comtechefdata.com
.
To return a Comtech EF Data product (in-warranty and out-of-warranty) for repair or
replacement:
1. Request a Return Material Authorization (RMA) number from the Comtech EF
Data Customer Support Department.
Be prepared to supply the Customer Support representative with the model
number, serial number, and a description of the problem.
2. To ensure that the product is not damaged during shipping, pack the product in
its original shipping carton/packaging.
3. Ship the product back to Comtech EF Data. (Shipping charges should be
prepaid.)
For more information regarding the warranty policies, see Warranty Policy, p. xiii
- SMS-458B 1
- Customer Support 4
- Table of Contents 5
- Figures 10
- Related Documents 11
- Conventions and References 11
- Cautions and Warnings 11
- About this Manual 11
- Metric Conversion 12
- Trademarks 12
- ELECTRICAL SAFETY 13
- Installation 14
- Preface MN/SMS458B.IOM 15
- Warranty Policy 16
- Limitations of Warranty 16
- Exclusive Remedies 16
- Disclaimer 16
- Chapter 1. INTRODUCTION 17
- 1.2 Purpose and Function 18
- Introduction MN/SMS458B.IOM 19
- 1.3 Description 20
- 1.4 Major Assemblies 24
- 1.5 System Requirements 24
- 1.6 Specification 25
- Chapter 2. INSTALLATION 27
- Installation MN/SMS458B.IOM 28
- 2.3 External Connections 30
- 2.3.1 Data I/O 32
- 2.3.12 Ground 36
- Chapter 3. FRONT PANEL 37
- 3.2 LED Indicators 38
- 3.3 Keypad and LCD Display 39
- Operation MN/SMS458B.IOM 40
- Figure 3-2. Display Map 41
- 3.4 System and Modem Setup 43
- 3.4.2 System Setup 43
- 3.4.2.1 Time and Date Menu 44
- 3.4.2.7 Modem Addresses Menu 45
- 3.4.3 Modem Setup 46
- 3–11 47
- 3.4.3.4 Demodulator Delay 48
- 3.4.3.5 Modulator Delay 48
- 3.4.4 Modem Configuration 49
- 3.4.5 Operation Modes 51
- 3.4.5.1 Bypass Mode 51
- 3.4.5.2 Auto Mode 51
- 3.4.5.3 Local Mode 53
- 3.4.5.4 Remote Mode 54
- 3.4.6 Faults 54
- 3–19 55
- 3–21 57
- 3.4.6.3 M:N Faults 58
- 3.4.6.4 Battery Faults 59
- Chapter 4. THEORY OF 61
- 4.1.2.2 Remote Baud Rate 63
- 4.1.2.3 Remote Address 63
- 4.1.2.5 Battery 64
- 4.1.4.1 Scope 66
- 4.1.4.2 General 66
- 4.1.4.3 Command Structure 66
- 4.1.5.1 Controller Fault 70
- 4.1.5.2 M:N Fault 70
- 4.2 Interface Switches 71
- 4.2.1.1 General Description 71
- 4.2.1.3 Connector Pinout 73
- 4–15 75
- 4.3 Address Decoder/Driver 76
- 4.3.1 General 76
- 4.3.2 Specifications 77
- 4.4 IF Switch Driver 79
- 4.6 IF Switch 81
- 4.6.1 General 81
- 4.6.2 Specifications 81
- Figure 4-9. IF Switch 82
- 4.7 Online Telemetry 83
- 4.7.1 General 83
- 4.7.2 Specifications 83
- CONTROL BUS 84
- 4.8.1 General 85
- 4.8.2 Specifications 85
- 4.8 Power Supply 85
- Chapter 5. MAINTENANCE 87
- 5.1.4 M:N Faults 88
- 5.1.5 Battery Faults 89
- 5.2 Fault Isolation 89
- 5.2.1 Modulator Operation 89
- 5.2.2 Demodulator Operation 90
- 5.2.3 M:N Operation 91
- 5.2.4 Battery 92
- 5.3 Module Replacement 93
- 5.3.1 General 93
- 5.3.2 Power Supply 93
- Maintenance MN/SMS458B.IOM 94
- Appendix A. CABLING 97
- CONFIGURATIONS 97
- A.1.1 Equipment Inspection 98
- A.1.1.1 Included Parts 98
- G.703 Data Interface 100
- Interface 103
- Data Interface 104
- SDM-9000 PRIME 1-4 and Backup 106
- Appendix B. REMOTE 109
- OPERATION 109
- B.3 Start Character 110
- B.4 Device Address 110
- B.5 Command/Responses 111
- B.12.1 Configuration Status 115
- B.13 Operational Commands 117
- Load Modem Configurations 118
- Glossary 121
- Index MN/SMS458B.IOM 124
- METRIC CONVERSIONS 125
- Units of Length 125
- Temperature Conversions 125
- Units of Weight 125
- 480 • 333 • 2200 PHONE 126
- 480 • 333 • 2161 126
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