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SPOD PS 1
User Manual
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Comtech EF Data SPOD PS 1 User Manual

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SPOD
Outdoor Amplifier
Installation and Operation Manual
IMPORTANT NOTE: The information contained in this document supersedes all previously published information regarding this product. Product specifications are subject to change without prior notice.
Part Number MN-SPODPSX Revision 1
SPOD
PS 1, PS 1.5, and PS 2 C-, X-, or Ku-Band
Outdoor Amplifier
Installation and Operation Manual
Part Number MN-SPODPSX
Revision 1
Copyright © 2014 Comtech EF Data. All rights reserved. Printed in the USA.
Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA, 480.333.2200, FAX: 480.333.2161
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TABLE OF CONTENTS

TABLE OF CONTENTS ............................................................................................................III
TABLES .................................................................................................................................. VII
FIGURES ................................................................................................................................. VII
PREFACE ................................................................................................................................. XI
About this Manual ............................................................................................................................ xi
Related Documents .................................................................................................................................. xi
Disclaimer................................................................................................................................................. xi
Conventions and References ............................................................................................................ xii
Patents and Trademarks ......................................................................................................................... xii
Warnings, Cautions, and Notes ............................................................................................................... xii
Examples of Multi-Hazard Notices .......................................................................................................... xii
Recommended Standard Designations ................................................................................................... xii
Electrical Safety Notice .................................................................................................................... xiii
Installation Guidelines Regarding Power Line Quality ....................................................................... xiii
Product Support .............................................................................................................................. xiv
Comtech EF Data Headquarters ....................................................................................................... xiv
Warranty Policy .............................................................................................................................. xiv
Limitations of Warranty .......................................................................................................................... xv
Exclusive Remedies ................................................................................................................................. xv
CHAPTER 1. INTRODUCTION ............................................................................................ 1–1
1.1 Overview ............................................................................................................................ 1–1
1.2 Functional Description ........................................................................................................ 1–1
1.3 Features ............................................................................................................................. 1–2
1.3.1 The Solid-State Advantage........................................................................................................ 1–2
1.3.2 Enhanced Standard Features .................................................................................................... 1–2
1.3.3 Built-in Redundancy Controller ................................................................................................ 1–2
1.3.4 Data Logging Capability ............................................................................................................ 1–2
1.4 Summary of Specifications .................................................................................................. 1–3
1.4.1 Characteristics .......................................................................................................................... 1–3
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1.4.2 Environmental .......................................................................................................................... 1–5
1.4.3 Physical ..................................................................................................................................... 1–5
1.5 Dimensional Envelopes ....................................................................................................... 1–6
1.5.1 SPOD PS 1 Dimensional Envelopes ........................................................................................... 1–7
1.5.2 SPOD PS 1.5 Dimensional Envelopes ...................................................................................... 1–10
1.5.3 SPOD PS 2 Dimensional Envelopes ......................................................................................... 1–13
CHAPTER 2. SYSTEM CONNECTIONS, INSTALLATION AND STARTUP ....................... 2–1
2.1 Cabling Connection Types ................................................................................................... 2–1
2.1.1 Coaxial Cable Connections ........................................................................................................ 2–1
2.1.2 Circular Cable Connections ....................................................................................................... 2–2
2.2 SPOD SSPA Cabling Connections .......................................................................................... 2–2
2.3 Interface Connectors ........................................................................................................... 2–4
2.3.1 Connector ‘J1 | L-BAND IN’ or ‘J1 | Tx IN’ ................................................................................ 2–4
2.3.2 Connector ‘J2 | RF OUT’ ........................................................................................................... 2–4
2.3.3 Connector ‘J3 | POWER IN’ (AC Power Mains) ......................................................................... 2–5
2.3.3.1 SPOD PS 1, PS 1.5 ‘J3 | POWER IN’ (AC Power Main) ....................................................... 2–5
2.3.3.2 SPOD PS 2 ‘J3 | POWER IN’ (AC Power Main) ................................................................... 2–5
2.3.4 Connector ‘J3 | POWER IN’ (DC Power Mains) ......................................................................... 2–6
2.3.4.1 SPOD PS 1 ‘J3 | POWER IN’ (DC Power Main) ................................................................... 2–6
2.3.4.2 SPOD PS 1.5 ‘J3 | POWER IN’ (DC Power Main) ................................................................ 2–6
2.3.4.3 SPOD PS 2 ‘J3 | POWER IN’ (DC Power Main) ................................................................... 2–7
2.3.4.4 SPOD PS 2 ‘J3 | POWER IN’ 48VDC Power Main Option ................................................... 2–7
2.3.5 Connector ‘J6 | COM1’ (Remote Communications and Discrete Control Port) ....................... 2–8
2.3.6 Connector ‘J9 | OUTPUT SAMPLE’ (PS 2 Only) ......................................................................... 2–9
2.3.7 Ground Connector .................................................................................................................... 2–9
2.4 SPOD Standalone Installation ............................................................................................ 2–10
2.5 Power-up the SPOD .......................................................................................................... 2–10
CHAPTER 3. UPDATING FIRMWARE ................................................................................ 3–1
3.1 Overview ............................................................................................................................ 3–1
.2 Getting Started: Prepare for the Firmware Download .......................................................... 3–2
3
3.3 Download and Extract the Firmware Update ....................................................................... 3–7
3.4 Perform the FTP Upload Procedure ..................................................................................... 3–9
CHAPTER 4. ETHERNET-BASED REMOTE PRODUCT MANAGEMENT ......................... 4–1
4.1 Introduction ....................................................................................................................... 4–1
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4.2 Ethernet Management Interface Protocols .......................................................................... 4–2
4.3 SNMP Interface ................................................................................................................... 4–2
4.3.1 Management Information Base (MIB) Files .............................................................................. 4–2
4.3.2 SNMP Community Strings ......................................................................................................... 4–3
4.3.3 SNMP Traps .............................................................................................................................. 4–3
4.4 Telnet Interface .................................................................................................................. 4–6
4.4.1 Using HyperTerminal for Telnet Remote Control Operation ................................................... 4–6
4.5 Web Server (HTTP) Interface ............................................................................................... 4–8
4.5.1 Enabling the Web Server Interface ........................................................................................... 4–8
4.5.2 User Login ................................................................................................................................. 4–9
4.5.3 Web Server Interface – Operational Features ........................................................................ 4–10
4.5.3.1 Menu Tree ....................................................................................................................... 4–10
4.5.3.2 Page Navigation .............................................................................................................. 4–10
4.5.3.3 Page Sections .................................................................................................................. 4–10
4.5.3.4 Action Buttons ................................................................................................................ 4–11
4.5.3.5 Drop-down Lists .............................................................................................................. 4–11
4.5.3.6 Text or Data Entry ........................................................................................................... 4–11
4.5.4 Web Server Interface – Web Page Descriptions ..................................................................... 4–12
4.5.4.1 Home Pages .................................................................................................................... 4–12
4.5.4.1.1 Home | Home ........................................................................................................... 4–12
4.5.4.1.2 Home | Contact ........................................................................................................ 4–13
4.5.4.1.3 Home | Support ........................................................................................................ 4–14
4.5.4.2 Admin Pages .................................................................................................................... 4–15
4.5.4.2.1 Admin | Access ......................................................................................................... 4–15
4.5.4.2.2 Admin | SNMP .......................................................................................................... 4–17
4.5.4.3 Config Pages .................................................................................................................... 4–18
4.5.4.3.1 Config | Amplifier ..................................................................................................... 4–18
4.5.4.3.2 Config | Ut
ility ........................................................................................................... 4–20
4.5.4.3.3 Config | Redundancy ................................................................................................ 4–22
4.5.4.4 Status Pages .................................................................................................................... 4–23
4.5.4.4.1 Status | Summary ..................................................................................................... 4–23
4.5.4.4.2 Status | Status ........................................................................................................... 4–24
4.5.4.4.3 Status | FETs ............................................................................................................. 4–25
4.5.4.4.4 Status | Events .......................................................................................................... 4–26
4.5.4.4.5 Status | Statistics ...................................................................................................... 4–28
4.5.4.4.6 Status | Trending Graphs .......................................................................................... 4–30
CHAPTER 5. SERIAL-BASED REMOTE PRODUCT MANAGEMENT ............................... 5–1
5.1 Overview ............................................................................................................................ 5–1
5.2 Key Operational Parameters ............................................................................................... 5–1
5.2.1 RF Input Level ........................................................................................................................... 5–1
5.2.2 Attenuator Control ................................................................................................................... 5–2
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5.2.3 Mute Control ............................................................................................................................ 5–2
5.2.4 Faults ........................................................................................................................................ 5–2
5.2.5 Power Detector ......................................................................................................................... 5–3
5.2.6 Some Common Commands ...................................................................................................... 5–3
5.2.7 End-of-Life Commands ............................................................................................................. 5–4
5.3 Remote Control Protocol and Structure ............................................................................... 5–5
5.3.1 EIA-485 ...................................................................................................................................... 5–5
5.3.2 EIA-232 ...................................................................................................................................... 5–6
5.3.3 Basic Protocol ........................................................................................................................... 5–6
5.3.4 Packet Structure ....................................................................................................................... 5–6
5.3.4.1 Start of Packet ................................................................................................................... 5–7
5.3.4.2 Target Address .................................................................................................................. 5–7
5.3.4.3 Address Delimiter .............................................................................................................. 5–7
5.3.4.4 Instruction Code ................................................................................................................ 5–8
5.3.4.5 Instruction Code Qualifier ................................................................................................. 5–8
5.3.4.6 Optional Message Arguments ........................................................................................... 5–9
5.3.4.7 End of Packet .................................................................................................................... 5–9
5.1 Remote Commands and Queries ....................................................................................... 5–10
APP E NDIX A. 1:1 REDUNDANCY ..................................................................................... A–1
A.1 SPOD Redundancy Operation Overview .............................................................................. A–1
A.2 1:2 Redundancy Mode (FUTURE) ........................................................................................ A–1
A.3 1:1 Redundancy Mode ....................................................................................................... A–1
A.3.1 Ethernet-based Monitor and Control ....................................................................................... A–1
A.3.1.1 1:1 Redundant System Setup (Using a Single Ethernet Interface) .................................... A–2
A.3.2 Serial-based Monitor and Control ............................................................................................ A–3
A.3.2.1 Applicable Serial-based Redundancy Commands and Queries ........................................ A–5
A.4 Troubleshooting Connectivity Issues ................................................................................... A–5
A.5 1:1 Redundancy System Cabling and Installation ................................................................. A–
7
A.6 Redundancy System Assembly Kit Examples ....................................................................... A–9
A.6.1 SPOD PS 1 1:1 Redundancy Kit Examples ............................................................................... A–10
A.6.2 SPOD PS 1.5 1:1 Redundancy Kit Examples ............................................................................ A–26
A.6.3 SPOD PS 2 1:1 Redundancy Kits .............................................................................................. A–34
APPENDIX B. CABLE DRAWINGS ..................................................................................... B-1
B.1 Overview ............................................................................................................................ B-1
B.2 Control and Data Cables ...................................................................................................... B-2
B.2.1 Serial Interface Cable ................................................................................................................. B-3
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B.2.2 Ethernet Interface Cable............................................................................................................ B-4
B.2.3 19-Pin COMMS Cable (100’) ...................................................................................................... B-5
B.2.4 19-Pin COMMS Cable (250’) ...................................................................................................... B-6
B.2.5 Redundant Loop Cable – Tx Only ............................................................................................... B-7
B.3 RF Cables ............................................................................................................................ B-8
B.3.1 RF Cable (Type ‘N’) ..................................................................................................................... B-9
APPENDIX C. MAINTENANCE .......................................................................................... C–1
C.1 Overview ............................................................................................................................ C–1
C.2 Clean the SPOD PS 1 Heat Sinks ........................................................................................... C–2
C.3 Clean the SPOD PS 1.5 Heat Sinks ........................................................................................ C–5
C.4 Clean the SPOD PS 2 Heat Sinks ........................................................................................... C–9
TABLES
Table 2-1. ‘J2 | RF OUT’ Output Types ...................................................................................................... 2–4
Table 2-2. SPOD PS 1/PS 1.5 ‘J3 | POWER IN’ Pin Assignments ............................................................... 2–5
Table 2-3. SPOD PS 2 ‘J3 | POWER IN’ Pin Assignments ........................................................................... 2–5
Table 2-4. SPOD PS 1 ‘J3 | POWER IN’ Pin Assignments ........................................................................... 2–6
Table 2-5. SPOD PS 1.5 ‘J3 | POWER IN’ Pin Assignments ........................................................................ 2–6
Table 2-6. SPOD PS 2 ‘J3 | POWER IN’ Pin Assignments ........................................................................... 2–7
Table 2-7. SPOD PS 2 ‘J3 | POWER IN’ 48VDC Pin Assignments ............................................................... 2–7
Table 2-8. SPOD ‘J6 | COM1’ Pin Assignments ......................................................................................... 2–8
Table A-1. Parts List for KT-0000104 PS 1 1:1 Redundancy Kit ............................................................... A–10
Table A-2. Parts List for KT-0000090 PS 1 C-Band Coax Output 1:1 Redundancy Kit ............................. A–14
Table A-3. Parts List for KT-0000089 PS 1 Ku-Band 1:1 Redundancy Kit ................................................ A–18
Table A-4. Parts List for KT-0000170 PS 1 X-Band 1:1 Redundancy Kit .................................................. A–22
Table A-5. Parts List for KT-0020526 PS 1.5 C-Band DC Option 1:1 Redundancy Kit .............................. A–26
Table A-6. Parts List for KT-0000060 PS 1.5 Ku-Band 1:1 Redundancy Kit ............................................. A–30
Table A-7. Parts List for KT-0000091 PS 2 C-Band 1:1 Redundancy Kit .................................................. A–34
Table A-8. Parts List for KT-0000254
PS 2 Ku-Band 1:1 Redundancy Kit ................................................ A–38
FIGURES
Figure 1-1. Comtech EF Data SPOD Outdoor Amplifiers ........................................................................... 1–1
Figure 1-2. SPOD PS 1 C-Band Dimensional Envelope (Coax Output) ....................................................... 1–7
Figure 1-3. SPOD PS 1 X-Band Dimensional Envelope .............................................................................. 1–8
Figure 1-4. SPOD PS 1 Ku-Band Dimensional Envelope ............................................................................ 1–9
Figure 1-5. SPOD PS 1.5 C-Band Dimensional Envelope (DC Option Shown) ......................................... 1–10
Figure 1-6. SPOD PS 1.5 X-Band Dimensional Envelope ......................................................................... 1–11
Figure 1-7. SPOD PS 1.5 Ku-Band Dimensional Envelope ....................................................................... 1–12
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Figure 1-8. SPOD PS 2 C-Band Dimensional Envelope ............................................................................ 1–13
Figure 1-9. SPOD PS 2 X-Band Dimensional Envelope ............................................................................ 1–14
Figure 1-10. SPOD PS 2 Ku-Band Dimensional Envelope ........................................................................ 1–15
Figure 2-1. Coaxial Connector Example .................................................................................................... 2–1
Figure 2-2. Circular Connector Example ................................................................................................... 2–2
Figure 2-3. SPOD PS 1 Connections ........................................................................................................... 2–3
Figure 2-4. SPOD PS 1.5 Connections ........................................................................................................ 2–3
Figure 2-5. SPOD PS 2 Connections ........................................................................................................... 2–3
Figure 2-6. SPOD Ground Connections ..................................................................................................... 2–9
Figure 2-7. PL/12319-1 Universal Pole Mounting Kit .............................................................................. 2–11
Figure 2-8. KT-0000095 PS 1/PS 1.5 Single Unit Mounting Kit ............................................................... 2–12
Figure 2-9. KT-0000125 PS 2 Single Unit Mounting Kit ........................................................................... 2–13
Figure 2-10. KT-0020524 PS 2 Single Unit Shelf Style Mounting Kit ....................................................... 2–14
Figure 4-1. SPOD Home | Home Page..................................................................................................... 4–12
Figure 4-2. Home | Contact Page ............................................................................................................ 4–13
Figure 4-3. Home | Support Page ........................................................................................................... 4–14
Figure 4-4. Admin | Access Page............................................................................................................. 4–15
Figure 4-5. Admin | SNMP Page ............................................................................................................. 4–17
Figure 4-6. Config | Amplifier Page ......................................................................................................... 4–18
Figure 4-7. Config | Utility Page .............................................................................................................. 4–20
Figure 4-8. Config | Redundancy Page .................................................................................................... 4–22
Figure 4-9. Status | Summary Page ........................................................................................................ 4–23
Figure 4-10. Status | Status page ............................................................................................................ 4–24
Figure 4-11. Status | FETs page .............................................................................................................. 4–25
Figure 4-12. Status | Events Page ........................................................................................................... 4–26
Figure 4-13. Status | Statistics page ....................................................................................................... 4–28
Figure 4-15. Status | Graphs Page .......................................................................................................... 4–30
Figure A-1. Ethernet-based M
&C using CEFD Kit KT-0000203 .................................................................. A–2
Figure A-2. Serial-based M&C using CEFD Kit KT-0020518 ....................................................................... A–3
Figure A-3. Typical SPOD 1:1 Redundancy System Cabling Schematic ..................................................... A–8
Figure A-4. KT-0000104 PS 1 C-Band 1:1 Redundancy Kit (Exploded View) ........................................... A–11
Figure A-5. KT-0000104 PS 1 C-Band 1:1 Redundancy Kit (Assembled Isometric View) ........................ A–12
Figure A-6. KT-0000090 PS 1 C-Band Coax Output 1:1 Redundancy Kit Example (Exploded Isometric View)
........................................................................................................................................................ A–15
Figure A-7. KT-0000090 PS 1 C-Band Coax Output 1:1 Redundancy Kit Example (Assembled Isometric
View) ............................................................................................................................................... A–16
Figure A-8. KT-0000089 PS 1 Ku-Band 1:1 Redundancy Kit Example (Exploded Isometric View) .......... A–19
Figure A-9. KT-0000089 PS 1 Ku-Band 1:1 Redundancy Kit Example (Assembled Isometric View) ........ A–20
Figure A-10. KT-0000170 PS 1 X-Band 1:1 Redundancy Kit Example (Exploded Isometric View) .......... A–23
Figure A-11. KT-0000170 PS 1 X-Band 1:1 Redundancy Kit (Assembled Isometric View) ...................... A–24
Figure A-12. KT-0020526 PS 1.5 C-Band DC Option 1:1 Redundancy Kit (Assembled View) .................. A–27
Figure A-13. KT-0020526 PS 1.5 C-Band DC Option 1:1 Redundancy Kit (Exploded View, Steps 1 & 2) ........
........................................................................................................................................................ A–28
Figure A-14. KT-0020526 PS 1.5 C-Band DC Option 1:1 Redundancy Kit (Exploded View, Step 3) ........ A–29
Figure A-15. KT-0000060 PS 1.5 Ku-Band 1:1 Redundancy Kit Example (Exploded Isometric View) ..... A–31
Figure A-16. KT-0000060 PS 1.5 Ku-Band 1:1 Redundancy Kit Example (Assembled Isometric View) ... A–32
Figure A-17. KT-0000091 PS 2 C-Band 1:1 Redundancy Kit Example (Exploded Isometric View) .......... A–35
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Figure A-18. KT-0000091 PS 2 C-Band 1:1 Redundancy Kit Example (Assembled Isometric View) ........ A–36
Figure A-19. KT-0000254 PS 2 Ku-Band 1:1 Redundancy Kit Example (Exploded Isometric View) ........ A–39
Figure A-20. KT-0000254 PS 2 Ku-Band 1:1 Redundancy Kit Example (Assembled Isometric View) ...... A–40
Figure A-21. 1:1 or 1:2 Free Standing Unitstrut Kit (CEFD Kit KT-0020827) ........................................... A–41
Figure A-22. PS 2 C-Band 1:1 Redundancy Free Standing Example Using Kit KT-0020827 (Assembled
Isometric View) ............................................................................................................................... A–42
Figure A-23. PS 2 C-Band 1:1 Redundancy Free Standing Example Using Kit KT-0020827 (Assembled
Views) .............................................................................................................................................. A–43
Figure B-1. Serial Interface Cable (CEFD P/N CA-0020526, part of KT-0020518) ...................................... B-3
Figure B-2. Ethernet Interface Cable (CEFD P/N CA-0000352, part of KT-0000203) ................................. B-4
Figure B-3. COMMS Cable, 100’ (CEFD P/N CA-0000318) ......................................................................... B-5
Figure B-4. COMMS Cable, 250’ (CEFD P/N CA-0000543) ......................................................................... B-6
Figure B-5. Redundant Loop Cable – Tx Only (CEFD P/N CA-0020655) ..................................................... B-7
Figure B-6. 1/4" Heliax Coaxial Cable (CA/3722-X) .................................................................................... B-9
Figure C-1. Comtech EF Data SPOD Outdoor Amplifiers ........................................................................... C–1
Figure C-2. SPOD Web Server Interface ‘Status |Trending Graphs’ Page Temperature Graph................ C–2
Figure C-3. SPOD PS 1 Shroud Screw Locations ........................................................................................ C–3
Figure C-4. Remove the Fan Shroud ......................................................................................................... C–3
Figure C-5. Disconnect the Fan Power Supply .......................................................................................... C–4
Figure C-6. SPOD PS 1 Heat Sink Locations ............................................................................................... C–4
Figure C-7. Reconnect the Fan Power Supply ........................................................................................... C–4
Figure C-8. SPOD PS 1.5 Shroud Screw Locations ..................................................................................... C–6
Figure C-9. Remove the Fan Shroud ......................................................................................................... C–7
Figure C-10. Disconnect the Fan Power Supplies...................................................................................... C–7
Figure C-11. SPOD PS 1.5 Heat Sink Location ............................................................................................ C–8
Figure C-12. Reconnect the Fan Power Supplies ...................................................................................... C–8
Figure C-13. SPOD PS 2 Shroud Screw Locations .................................................................................... C–10
Figure C-14. Remove the Fan Shroud ..................................................................................................... C–10
Figure C-15. Disconnect the Fan Power Supplies.................................................................................... C–11
Fig
ure C-16. SPOD PS 2 Heat Sink Locations ........................................................................................... C–11
Figure C-17. Reconnect the Fan Power Supplies .................................................................................... C–12
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SPOD C-, X-, or Ku-Band Outdoor Amplifier MN-SPODPSX Table of Contents Revision 1
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About this Manual

Technical Publications Standards and Practices.
This manual provides installation and operation information for the Comtech EF Data SPOD family of Outdoor Amplifiers. This manual is an informational document intended for the persons responsible for the operation and maintenance of the SPOD PS 1, PS 1.5, or PS 2.
This manual supersedes Comtech EF Data Manuals MN/SPOD.IOM Rev. 2 and MN-SPODPS2 Rev. 1 in their entirety. This manual documents the latest product availability and functionality; additionally, this replacement publication (Comtech EF Data P/N MN-SPODPSX) has been prepared in accordance with the latest CEFD
Related Documents
• Comtech EF Data CLC-10 Handheld Terminal M&C Accessory for LPOD or SPOD PS 1, PS
1.5, PS 2 User’s Guide (CEFD P/N MN-CLC10)
• Comtech EF Data LPODnet M&C Netbook Accessory for LPOD or SPOD PS 1, PS 1.5, PS 2
Operation Manual (CEFD P/N MN-LPODNET)

PREFACE

Disclaimer
Comtech EF Data has reviewed this manual thoroughly in order to provide an easy-to-use guide to this equipment. All statements, technical information, and recommendations in this manual and in any guides or related documents are believed reliable, but the accuracy and completeness thereof are not guaranteed or warranted, and they are not intended to be, nor should they be understood to be, representations or warranties concerning the products described. Further, Comtech EF Data reserves the right to make changes in the specifications of the products described in this manual at any time without notice and without obligation to notify any person of such changes.
If there are any questions regarding this equipment or the information in this manual, please contact Comtech EF Data Product Support.
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Conventions and References

Patents and Trademarks
See all of Comtech EF Data's Patents and Patents Pending at http://patents.comtechefdata.com.
Comtech EF Data acknowledges that all trademarks are the property of the trademark owners.
Warnings, Cautions, and Notes
A WARNING informs you about a possible hazard that MAY CAUSE DEATH or SERIOUS INJURY.
A CAUTION informs you about a possible hazard that MAY CAUSE INJURY o r PROPERTY DAMAGE.
A NOTE gives you important information about a task or the equipment.
A REFERENCE equipment.
directs you to additional information about a task or the
Examples of Multi-Hazard Notices
Recommended Standard Designations
The Electronic Industries Association (EIA) designations replace Recommended Standard (RS) Designations. References to the old designations may appear when depicting actual text (e.g., RS-232) as displayed on the Web Server pages or CLI (serial Command Line Interface) for the unit. All other references in the manual address the EIA designations.
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