Radyne OM20 User manual

Part Number MN-OM20 Revision 5
IMPORTANT NOTE: The information contained in this document supersedes all previously
published information regarding this product. This manual is subject to change without prior notice.
OM20
Universal Outdoor Modem
Installation and Operation Manual

Copyright © 2009 Comtech EF Data.All rights reserved. Printed in the USA.
Comtech EF Data,2114 West 7thStreet, Tempe, Arizona 85281 USA, 480.333.2200, FAX: [phone]
OM20
Universal Outdoor Modem
Installation and Operation Manual
Part Number MN-OM20
Revision 5
October 27, 2009

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Table of Contents
TABLE OF CONTENTS............................................................................................................................................. III
CHAPTER 1. INTRODUCTION ........................................................................................................................ 1–1
1.0 OVERVIEW...................................................................................................................................................1–1
1.1 OM20 CONFIGURATIONS...............................................................................................................................1–2
1.1.1 Features/Options Installed at Time of Order .......................................................................................1–3
1.1.2 Software Feature Upgrades.................................................................................................................1–3
1.1.3 Future Hardware Options ....................................................................................................................1–3
CHAPTER 2. INSTALLATION .......................................................................................................................... 2–1
2.1 INSTALLATION REQUIREMENTS.........................................................................................................................2–1
2.2 UNPACKING .................................................................................................................................................2–2
2.2.1 Outdoor Modem (OM20) .....................................................................................................................2–2
2.3 REMOVAL AND ASSEMBLY...............................................................................................................................2–3
2.4 MOUNTING AND WIRING CONSIDERATIONS .......................................................................................................2–4
2.4.1 OM20 Mounting Bracket Instructions..................................................................................................2–5
2.4.2 OM20 General Antenna Post Mount Diagram.....................................................................................2–6
2.4.3 OM20 General Antenna Post Mount Diagram.....................................................................................2–7
2.4.4 OM20 Antenna Feed Arm Mount Diagram..........................................................................................2–8
2.4.5 OM20 with External TWTA Amplifier...................................................................................................2–9
2.4.6 OM20 Additional Interface Diagrams................................................................................................2–10
CHAPTER 3. OM20 INITIAL CONFIGURATION ............................................................................................... 3–1
3.1 OM20 INITIAL CONFIGURATION CHECK ............................................................................................................3–1
3.2 INITIAL CONFIGURATION AND SETUP PROCESS ....................................................................................................3–3
3.2.1 Initial Power-Up and Configuration Verification..................................................................................3–3
3.2.2 M&C Setup (IP Configuration & RS232 Interface)................................................................................3–3
3.3 OM20 VERIFICATION TESTING ........................................................................................................................3–4
3.3.1 TX Output Verification Test..................................................................................................................3–4
3.3.2 RX Input Verification Test.....................................................................................................................3–5
3.4 STORAGE AND RESHIPMENT ............................................................................................................................3–5
CHAPTER 4. OM20 THEORY OF OPERATION ................................................................................................. 4–1
4.1 OM20 HARDWARE.......................................................................................................................................4–1
4.1.1 OM20 L-Band Printed Circuit Card .......................................................................................................4–2
4.1.2 OM20 Baseband Processing Printed Circuit Card ................................................................................4–3
4.2 OM20 FUNCTIONAL BLOCK DIAGRAM..............................................................................................................4–4
4.2.1 Baseband Processing ...........................................................................................................................4–4
4.2.2 Tx Baseband Processing.......................................................................................................................4–5
4.2.3 Rx Baseband Processing.......................................................................................................................4–5
4.3 MONITOR &CONTROL (M&C) SUBSYSTEM.......................................................................................................4–6
4.3.1 Terminal Port .......................................................................................................................................4–7
4.3.2 Modem Remote Communications (RLLP).............................................................................................4–7
4.3.3 Ethernet M&C Port...............................................................................................................................4–7
4.3.4 Modem Monitor Status........................................................................................................................4–8
4.4 ASYNC PORT /ES-ES COMMUNICATIONS ..........................................................................................................4–8

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4.5 INTERNAL CLOCK...........................................................................................................................................4–8
4.6 LOOPBACK FEATURES (TERRESTRIAL &IF)..........................................................................................................4–8
4.7 CLOCKING OPTIONS.....................................................................................................................................4–12
4.7.1 TX Clock Options ................................................................................................................................4–12
4.7.1.1 SCTE: Serial Clock Transmit External......................................................................................................... 4–13
4.7.1.2 SCT: Serial Clock Transmit ......................................................................................................................... 4–13
4.7.2 RX Buffer Clock Options .....................................................................................................................4–13
4.7.2.1 RX SAT Clock.............................................................................................................................................. 4–14
4.7.2.2 SCTE: Serial Clock Transmit External ......................................................................................................... 4–14
4.7.2.3 SCT: Serial Clock Transmit ......................................................................................................................... 4–14
4.7.2.4 EXT CLK/EXT BNC: ..................................................................................................................................... 4–14
4.7.2.5 EXT IDI: Insert Data In ............................................................................................................................... 4–14
4.7.3 EXT REF: External Reference, Optional...............................................................................................4–15
4.8 RS422/V.35 INTERFACE J3 (STANDARD OPTION).............................................................................................4–15
4.8.1 G.703 Interface (Optional) .................................................................................................................4–15
4.8.2 Ethernet Data Interface J4 (Optional)................................................................................................4–15
4.9 REED-SOLOMON CODEC...............................................................................................................................4–16
4.9.1 Reed-Solomon Operation in the OM20..............................................................................................4–16
4.9.2 Reed-Solomon Code Rate...................................................................................................................4–16
4.9.3 Interleaving........................................................................................................................................4–16
4.10 DROP AND INSERT (D&I)..............................................................................................................................4–17
4.11 OM20 AUTOMATIC UPLINK POWER CONTROL (AUPC OPERATION)....................................................................4–18
4.12 ASYNCHRONOUS OVERHEAD OPERATION J3 (FRAMING/MULTIPLEXER CAPABILITY).................................................4–18
4.13 STANDARD IBS MODE .................................................................................................................................4–19
4.14 ASYNCHRONOUS MULTIPLEXER MODE ...........................................................................................................4–20
4.15 ESC BACKWARD ALARMS .............................................................................................................................4–21
4.15.1 To Disable the ESC Backward Alarms ............................................................................................4–22
4.16 SATELLITE CONTROL CHANNEL (SCC)..............................................................................................................4–22
4.16.1 SCC Framing Structure...................................................................................................................4–22
4.16.2 Aggregate Data Rate.....................................................................................................................4–23
4.16.3 Overhead Rate Comparison...........................................................................................................4–24
4.16.4 Actual Overhead Rate Calculation.................................................................................................4–24
4.16.5 SCC Overhead Channel Setup ........................................................................................................4–25
4.17 EDMAC SATELLITE FRAMING/DEFRAMING MODE............................................................................................4–27
4.18 LOCATING THE ID CODE OPERATIONAL PROCEDURE...........................................................................................4–27
4.19 STRAP CODES .............................................................................................................................................4–27
CHAPTER 5. REAR PANEL INTERFACES.......................................................................................................... 5–1
5.1 OM20 EXTERNAL INTERFACE CONNECTIONS......................................................................................................5–1
5.1.1 Power Input..........................................................................................................................................5–3
5.1.1.1 AC Power Input (J1)..................................................................................................................................... 5–3
5.1.1.2 DC Power Input/Switch (Optional).............................................................................................................. 5–3
5.1.2 Remote/Terminal/Fault Port (J2) .........................................................................................................5–3
5.1.3 EIA-530 Synchronous Data, ES-ES Asynchronous Overhead Data, and G.703 Balanced Data I/O Port
(J3) 5–5
5.1.4 ETHERNET DATA/M&C (J4) ..................................................................................................................5–6
5.1.5 Ground Lug (J6)....................................................................................................................................5–7
5.1.6 RX L-Band IF (J7)...................................................................................................................................5–7
5.1.7 TX L-Band IF (J8)...................................................................................................................................5–7
5.1.8 Compact Flash Card (J9).......................................................................................................................5–7
5.1.9 SD (J10) (Optional) ...............................................................................................................................5–8
5.1.10 RD (J11) (Optional) ..........................................................................................................................5–8

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5.1.11 LED Indicators..................................................................................................................................5–8
5.1.12 G.703 Balanced – Connections are available via the J3 connector. Refer to Table 5.4a. ...............5–8
5.1.13 EXT Reference J12............................................................................................................................5–8
CHAPTER 6. WEB BROWSER/REMOTE PROTOCOL........................................................................................ 6–1
6.1 WEB BROWSER USER INTERFACE .....................................................................................................................6–1
6.2 CONFIGURING YOUR PC .................................................................................................................................6–1
6.2.1 Appearance..........................................................................................................................................6–2
6.2.2 Navigation ...........................................................................................................................................6–3
6.2.3 LED Indicators ......................................................................................................................................6–4
6.3 GUI SCREEN MENUS .....................................................................................................................................6–5
6.3.1 Introduction Menu ...............................................................................................................................6–6
6.3.1.1 Login Screen................................................................................................................................................ 6–7
6.3.2 Password Setup....................................................................................................................................6–8
6.3.3 IP and Application Administration .....................................................................................................6–10
6.3.3.1 Modem Addressing................................................................................................................................... 6–10
6.3.3.2 Configuring Applications ........................................................................................................................... 6–12
Table 6-5. SNMP Parameters........................................................................................................................................ 6–13
6.3.4 Monitor and Control Menu ................................................................................................................6–16
6.3.4.1 Transmit Menu.......................................................................................................................................... 6–16
6.3.4.2 Receive Menu ........................................................................................................................................... 6–29
6.3.4.3 Interface Menu ......................................................................................................................................... 6–37
6.3.4.4 Monitor Menu........................................................................................................................................... 6–44
6.3.4.5 Alarms Menu............................................................................................................................................. 6–49
6.3.4.6 System Menu ............................................................................................................................................ 6–56
6.3.4.7 Test Menu ................................................................................................................................................. 6–59
6.4 CONFIGURING THE OM20 TO USE THE ETHERNET DATA INTERFACE (OPTIONAL).....................................................6–60
6.4.1 Ethernet Flow Control ........................................................................................................................6–60
6.4.1.1 Half-Duplex Flow Control .......................................................................................................................... 6–60
6.4.1.2 Full-Duplex Flow Control........................................................................................................................... 6–61
6.4.2 Packet Statistics .................................................................................................................................6–61
6.5 TERMINAL MODE CONTROL ..........................................................................................................................6–62
6.5.1 Modem Terminal Mode Control.........................................................................................................6–63
6.6 MODEM REMOTE COMMUNICATIONS.............................................................................................................6–63
6.6.1 Host Computer Remote Communications..........................................................................................6–63
CHAPTER 7. MAINTENANCE AND TROUBLESHOOTING................................................................................. 7–1
7.1 PERIODIC MAINTENANCE................................................................................................................................7–1
7.1.1 Clock Adjustment .................................................................................................................................7–1
7.2 TROUBLESHOOTING .......................................................................................................................................7–1
7.2.1 Alarm Faults.........................................................................................................................................7–2
7.2.1.1 Major Tx Alarms.......................................................................................................................................... 7–2
7.2.1.2 Major Rx Alarms.......................................................................................................................................... 7–3
7.2.1.3 Minor Tx Alarms.......................................................................................................................................... 7–3
7.2.1.4 Minor Rx Alarms.......................................................................................................................................... 7–4
7.2.1.5 Drop and Insert Alarms ............................................................................................................................... 7–5
7.2.1.6 Common Major Alarms............................................................................................................................... 7–5
7.2.2 Alarm Masks ........................................................................................................................................7–5
7.2.2.1 Active Alarms .............................................................................................................................................. 7–6
7.2.2.1.1 Major Alarms.......................................................................................................................................... 7–6
7.2.2.1.2 Minor Alarms.......................................................................................................................................... 7–6
7.2.2.1.3 Common Equipment Faults.................................................................................................................... 7–6
7.2.2.2 Latched Alarms ........................................................................................................................................... 7–6

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CHAPTER 8. TECHNICAL SPECIFICATIONS ..................................................................................................... 8–1
8.1 DATA RATES.................................................................................................................................................8–1
8.2 MODULATOR ...............................................................................................................................................8–1
8.3 DEMODULATOR ............................................................................................................................................8–2
8.4 PLESIOCHRONOUS BUFFER ..............................................................................................................................8–2
8.5 MONITOR AND CONTROL................................................................................................................................8–2
8.6 OM20 DROP AND INSERT (OPTIONAL) .............................................................................................................8–2
8.7 TERRESTRIAL INTERFACES................................................................................................................................8–3
8.8 IDR/ESC INTERFACE (OPTIONAL) ....................................................................................................................8–3
8.9 ETHERNET DATA INTERFACE ............................................................................................................................8–3
8.10 ENVIRONMENTAL ..........................................................................................................................................8–3
8.11 PHYSICAL.....................................................................................................................................................8–3
8.12 OM20 DATA RATE LIMITS..............................................................................................................................8–3
8.12.1 Non-DVB ..........................................................................................................................................8–3
8.12.2 DVB ..................................................................................................................................................8–5
8.13 OM20 /BER SPECIFICATIONS ........................................................................................................................8–7
8.13.1 BER Performance (Viterbi) ...............................................................................................................8–7
8.13.2 BER Performance (Sequential).........................................................................................................8–8
8.13.3 BER Performance (Viterbi with Reed-Solomon)...............................................................................8–9
8.13.4 BER Performance (8PSK Trellis) .....................................................................................................8–10
8.13.5 BER Performance (16QAM Viterbi)................................................................................................8–11
8.13.6 BER Performance (16QAM Viterbi with Reed-Solomon)................................................................8–12
8.13.7 BER Performance ((O)QPSK Turbo)................................................................................................8–13
8.13.8 BER Performance (8PSK Turbo) .....................................................................................................8–14
8.13.9 BER Performance (16QAM Turbo).................................................................................................8–15
8.13.10 Input Level .....................................................................................................................................8–19
APPENDIX A. PRODUCT OPTIONS...................................................................................................................A–1
A.1 HARDWARE OPTIONS.................................................................................................................................... A–1
A.1.1 G.703/IDR ESC Interface ..................................................................................................................... A–1
A.1.2 Turbo Card .......................................................................................................................................... A–1
A.1.3 Internal High Stability ......................................................................................................................... A–1
A.1.4 DC Input Prime Power ......................................................................................................................... A–1
A.1.5 Ethernet Data Interface ...................................................................................................................... A–1
A.1.6 Sequential Interface............................................................................................................................ A–1
A.2 CUSTOMIZED OPTIONS.................................................................................................................................. A–2
APPENDIX B. SOFTWARE UPGRADE PROCEDURE ........................................................................................... B–1
B.1 TERMINAL SOFTWARE UPGRADE ..................................................................................................................... B–1
B.2 REQUIRED EQUIPMENT ................................................................................................................................. B–1
B.3 UPGRADE PROCEDURE .................................................................................................................................. B–1
B.4 DEMONSTRATION PROCEDURE ....................................................................................................................... B–3
B.5 CANCELING DEMONSTRATION MODE............................................................................................................... B–4
B.6 WEB BROWSER SOFTWARE UPGRADE .............................................................................................................. B–5
B.7 MONITOR AND CONTROL............................................................................................................................... B–5
APPENDIX C. CARRIER CONTROL.................................................................................................................... C–1
C.1 STATES........................................................................................................................................................C–1
C.2 CARRIER OFF................................................................................................................................................C–1
C.3 CARRIER ON.................................................................................................................................................C–1
C.4 CARRIER AUTO .............................................................................................................................................C–2

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C.5 CARRIER VSAT ..............................................................................................................................................C–2
C.6 CARRIER RTS ...............................................................................................................................................C–2
APPENDIX D. QUICK START GUIDE .................................................................................................................D–1
D.1 INTRODUCTION............................................................................................................................................ D–1
D.2 REQUIRED ITEMS.......................................................................................................................................... D–1
D.3 WEB INTERFACE SETUP GUIDELINES ................................................................................................................ D–1
D.3.1 Preparing the OM-20 for Web Setup .................................................................................................. D–1
D.4 IP NETWORK CHANGE FROM THE INITIAL WEB SETUP ......................................................................................... D–4
D.4.1 Configuring the modem ...................................................................................................................... D–4
D.4.2 Configuring the Computer .................................................................................................................. D–5
D.5 WEB USERS SETUP AND CONFIGURATIONS CONTROLS OPTIONS........................................................................... D–6
D.5.1 Change Authentication Password....................................................................................................... D–8
D.5.2 Boot Mode Options (Reference only).................................................................................................. D–8
APPENDIX E. DROP & INSERT (D&I) ............................................................................................................... E–1
E.1 DROP AND INSERT (D&I)................................................................................................................................E–1
E.2 DROP ONLY .................................................................................................................................................E–2
E.3 INSERT ONLY ................................................................................................................................................E–2
E.4 MODE SELECTION .........................................................................................................................................E–3
E.4.1 PCM-30 ................................................................................................................................................E–3
E.4.2 PCM-30C ..............................................................................................................................................E–3
E.4.3 PCM-31 ................................................................................................................................................E–4
E.4.4 PCM-31C ..............................................................................................................................................E–4
E.4.5 T1-D4/T1-D4-S .....................................................................................................................................E–4
E.4.6 T1-ESF/T1-ESF-S ...................................................................................................................................E–4
E.5 MULTIDESTINATIONAL SYSTEMS.......................................................................................................................E–4
E.6 DROP AND INSERT MAPPING ...........................................................................................................................E–5
E.7 CONFIGURING THE OM20 FOR DROP AND INSERT...............................................................................................E–7
E.7.1 Data Rate.............................................................................................................................................E–7
E.7.2 Operational Network Specification......................................................................................................E–8
E.7.3 Terrestrial Framing - Drop Mode/Insert Mode ....................................................................................E–8
E.7.3.1 Insert Terrestrial Frame Source .................................................................................................................. E–9
E.7.4 D&I Sample Configurations and D&I Clock Setup Options...................................................................E–9
E.8 D&I MAPS AND MAP EDITING ......................................................................................................................E–12
APPENDIX F. EFFICIENT DROP & INSERT (D&I) .............................................................................................. F–1
F.1 INTRODUCTION.............................................................................................................................................F–1
F.2 PREREQUISITE...............................................................................................................................................F–1
F.3 EFFICIENT DROP &INSERT MODE ....................................................................................................................F–2
F.3.1 Calculating the Required Satellite Bandwidth......................................................................................F–3
F.3.2 Calculating the Basic Efficient D&I Rate ..............................................................................................F–3
F.3.3 Calculating the Efficient D&I Rate with E1 Signaling ...........................................................................F–3
F.3.4 Calculating the Efficient D&I Rate with Enhanced Asynchronous Overhead .......................................F–4
APPENDIX G. STRAP CODES............................................................................................................................G–1
G.1 STRAP CODES .............................................................................................................................................. G–1
G.2 SAMPLE APPLICATIONS.................................................................................................................................. G–5
G.2.1 Operational Case Examples ................................................................................................................ G–5
APPENDIX H. AUPC OPERATIONS ...................................................................................................................H–1
H.1 AUTOMATIC UPLINK POWER CONTROL (AUPC OPERATION)................................................................................ H–1

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H.1.1 Radyne AUPC ...................................................................................................................................... H–1
H.1.2 EF AUPC............................................................................................................................................... H–2
H.1.3 Near Side AUPC................................................................................................................................... H–2