Comtech-ef-data SDM-2020 Uživatelský manuál Strana 1

Part Number MN/SDM2020D. IOM Revision 4 SDM-2020Satellite DemodulatorInstallation and Operation Manual

s:\tpubs\manuals\released_word\modems\sdm2020d_rev4\text\errata d.doc 1 Errata D Comtech EF Data Documentation Update Subject: Revised dash numbers

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–36 (FAULT LABEL) ----------- Displays the stored date and

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–37FUNCTION SELECT UTILITY Press <ENTER> to review or edi

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–38UTILITY INTERFACE Press <ENTER> to review or edit the f

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–39 Press <ENTER> to review or edit the following sub-menus.

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–40 Displays the current RR STATE, either NORMAL or INVERT. Upon

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–41 Displays the current Interface Select, either ASI or RS422.

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–42NORMAL IMPORTANT RS422 Interface Select only Di

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–43 Press <ENTER> to review or edit the following sub-menus

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–44 IMPORTANT Jumper setting dependent. Displays th

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–45 Press <ENTER> to review or edit the following sub-menus.

s:\tpubs\manuals\released_word\modems\sdm2020d_rev4\text\errata d.doc 2

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–46 Upon second entry, press <ENTER> will show the FW revis

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–47FW/NNNNRR Displays the current TX FW revision. Upon entry, t

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–48 The current baud rate and parity selection of the demodulator

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–49 Remote interface type selection, choices include: • RS-485

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–50 Test mode status indicator. The following demodulator test poi

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–51Displays M&C module firmware version. Upon entry, the dat

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–52 Upon entry, the date of release of this firmware will be disp

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–53IMPORTANT L-Band only. Set up menu for Low current thresholds.

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–54Displays the LNB voltage as 13, 18, or 24 VDC. Notes: 1. Wit

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–55 6.1.11 Function Select: Utility: Demod Options UTILITY DEMOD

ii Customer Support Contact the Comtech EF Data Customer Support Department for: • Product support or training • Information on upgrading or return

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–56Function Select: Utility: Demod Options: Demod Options DEMOD O

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–57Upon entry, the current status is displayed. Press [↑] or [↓] t

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–58 UTILITY FACTORY SET-UP CAUTION This configuration is used f

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–59Utility Interface RS422 Interface Type Interface Select DVB D

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–606.1.14 (C+N)/N to C/N and Eb/N0 Conversion Table 6-5 provide

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–61Table 6-5. (C+N)/N to C/N and Eb/N0 Conversion Chart Modulatio

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–62 6.1.15 Revision Emulation Operation FW/6224-1 To program an em

7–1 Chapter 7. RS-422 PARALLEL/SERIAL INTERFACE This section describes the plug-in RS-422 Data Interface used with the SDM-2020 Demodulator. 7.1 RS-4

SDM-2020 Satellite Demodulator Revision 4 RS-422 Data Interface MN/SDM2020D.IOM 7–2 7.2 Description The RS-422 interface has two data connectors and

SDM-2020 Satellite Demodulator Revision 4 RS-422 Data Interface MN/SDM2020D.IOM 7–3 The following cables, or equivalent computer grade cables incorp

iii Table of Contents CHAPTER 1. INTRODUCTION ... 1–1 1.1 Introduction

SDM-2020 Satellite Demodulator Revision 4 RS-422 Data Interface MN/SDM2020D.IOM 7–4 7.3 Configuration Note: The jumper location on the interface car

SDM-2020 Satellite Demodulator Revision 4 RS-422 Data Interface MN/SDM2020D.IOM 7–5 7.3.1 User Interfaces The following paragraphs describe the RS-4

SDM-2020 Satellite Demodulator Revision 4 RS-422 Data Interface MN/SDM2020D.IOM 7–6 Table 7-2. DVB Interface Connector Pinout, J3 Pin # Signal Func

SDM-2020 Satellite Demodulator Revision 4 RS-422 Data Interface MN/SDM2020D.IOM 7–7 7.3.1.2.1 Connector Pinouts, J4, EIA-530 The connector is a sub

SDM-2020 Satellite Demodulator Revision 4 RS-422 Data Interface MN/SDM2020D.IOM 7–8 7.3.1.3 Auxiliary, J5 This port provides for other modem-specifi

SDM-2020 Satellite Demodulator Revision 4 RS-422 Data Interface MN/SDM2020D.IOM 7–9 7.3.2 RS-422 Interface Front Panel Menus If the RS-422 interfac

SDM-2020 Satellite Demodulator Revision 4 RS-422 Data Interface MN/SDM2020D.IOM 7–10 This page is intentionally left blank.

8–1 Chapter 8. LOW VOLTAGE DIFFERENTIAL (LVDS) INTERFACE This section describes the plug-in LVDS Data Interface used with the SDM-2020 Demodulator.

SDM-2020 Satellite Demodulator Revision 4 LVDS Data Interface MN/SDM2020D.IOM 8–2 8.1.2 Description The LVDS interface has dedicated transmit and re

SDM-2020 Satellite Demodulator Revision 4 LVDS Data Interface MN/SDM2020D.IOM 8–3 Table 8-1. LVDS Specifications General Specifications Interface T

SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM iv 3.2.7 DC Power (Optional)...

SDM-2020 Satellite Demodulator Revision 4 LVDS Data Interface MN/SDM2020D.IOM 8–4 J3 RECEIVE OUT J4 TRANSMIT IN J5 AUXDEMODULATORDVBCONFIGURATION(FA

SDM-2020 Satellite Demodulator Revision 4 LVDS Data Interface MN/SDM2020D.IOM 8–5 8.1.4 User Interfaces The following paragraphs describe the electr

SDM-2020 Satellite Demodulator Revision 4 LVDS Data Interface MN/SDM2020D.IOM 8–6 applications, the polarity of signals may be inverted from the Fun

SDM-2020 Satellite Demodulator Revision 4 LVDS Data Interface MN/SDM2020D.IOM 8–7 applications, the polarity of signals may be inverted from the Fun

SDM-2020 Satellite Demodulator Revision 4 LVDS Data Interface MN/SDM2020D.IOM 8–8 8.1.4.2.1 Connector Pinout, J5 The connector is a sub-miniature,

9–1 Chapter 9. ASI/RS422 INTERFACE This section describes the plug-in ASI/RS422 Data Interface used with the SDM-2020 Demodulator. 9.1 ASI/RS-422 I

SDM-2020 Satellite Demodulator Revision 4 ASI/RS-422Data Interface MN/SDM2020D.IOM 9–2 9.1.2 Description This data interface is a plug-in module tha

SDM-2020 Satellite Demodulator Revision 4 ASI/RS-422Data Interface MN/SDM2020D.IOM 9–3 J3 J4J5J6 J7ASI INPUTS EIA-422/530 ASI OUTPUTS Figure 9-2.

SDM-2020 Satellite Demodulator Revision 4 ASI/RS-422Data Interface MN/SDM2020D.IOM 9–4 Table 9-1. ASI/RS-422 Specifications General Specifications

SDM-2020 Satellite Demodulator Revision 4 ASI/RS-422Data Interface MN/SDM2020D.IOM 9–5 9.1.3 User Interfaces The following paragraphs describe the e

SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM v 6.1.9.5 Function Select: Utility: Interface: ASI/RS422...

SDM-2020 Satellite Demodulator Revision 4 ASI/RS-422Data Interface MN/SDM2020D.IOM 9–6 Single-ended signals (MF and DF fault signals) are open colle

SDM-2020 Satellite Demodulator Revision 4 ASI/RS-422Data Interface MN/SDM2020D.IOM 9–7 9.1.4 ASI/RS-422 Interface Front Panel Menus Depending on the

SDM-2020 Satellite Demodulator Revision 4 ASI/RS-422Data Interface MN/SDM2020D.IOM 9–8 This page is intentionally left blank.

10–1 Chapter 10. ECL/HSSI INTERFACE This section describes the plug-in ECL/HSSI Data Interface used with the SDM-2020 Demodulator. 10.1 ECL/HSSI I

SDM-2020 Satellite Demodulator Revision 4 ECL/HSSI Data Interface MN/SDM2020D.IOM 10–2 10.1.1 Applicable Documents Applicable specifications, as ref

SDM-2020 Satellite Demodulator Revision 4 ECL/HSSI Data Interface MN/SDM2020D.IOM 10–3 10.1.4 Terrestrial (User) Data Interface 10.1.4.1 Terrestri

SDM-2020 Satellite Demodulator Revision 4 ECL/HSSI Data Interface MN/SDM2020D.IOM 10–4 Table 10-3. Terrestrial Transport Protocols Condition Descri

SDM-2020 Satellite Demodulator Revision 4 ECL/HSSI Data Interface MN/SDM2020D.IOM 10–5 1496 Bits PayloadHighHighSYNCDATADVALIDCLOCKLow Low Figure 10

SDM-2020 Satellite Demodulator Revision 4 ECL/HSSI Data Interface MN/SDM2020D.IOM 10–6 0100 10118 Bits Sync1496 Bits PayloadSYNCDATADVALIDCLOCK0100

SDM-2020 Satellite Demodulator Revision 4 ECL/HSSI Data Interface MN/SDM2020D.IOM 10–7 Table 10-4. HSSI Pinout (J3) HSSI/EIA-613 Interface Connecto

SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM vi CHAPTER 10. ECL/HSSI INTERFACE ...

SDM-2020 Satellite Demodulator Revision 4 ECL/HSSI Data Interface MN/SDM2020D.IOM 10–8 PIN 1PIN 25PIN 26PIN 50PIN 1PIN 25PIN 26PIN 50 Figure 10-5.

SDM-2020 Satellite Demodulator Revision 4 ECL/HSSI Data Interface MN/SDM2020D.IOM 10–9 10.1.4.3 Terrestrial Extended Signal Definitions The HSSI sp

SDM-2020 Satellite Demodulator Revision 4 ECL/HSSI Data Interface MN/SDM2020D.IOM 10–10 10.1.4.5 Terrestrial Electrical Characteristics All signals

SDM-2020 Satellite Demodulator Revision 4 ECL/HSSI Data Interface MN/SDM2020D.IOM 10–11 Use the timing diagram shown in Figure 10-8 for the worst ca

SDM-2020 Satellite Demodulator Revision 4 ECL/HSSI Data Interface MN/SDM2020D.IOM 10–12 10.1.4.7 Terrestrial TX Clock Phase The ECL/HSSI interface

SDM-2020 Satellite Demodulator Revision 4 ECL/HSSI Data Interface MN/SDM2020D.IOM 10–13 10.1.5.2 Faults Refer to Table 10-10 for ECL/HSSI fault indi

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11–1 Chapter 11. G.703 Interface This section describes the plug-in G.703 Data Interface used with the SDM-2020 Demodulator. 11.1 G.703 Data Int

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–2 • ITU -T G.704, Synchronous Frame Structures Used At Primary An

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–3 • 44.736 (per ITU-T G.703) • 51.840 (per SONET STS-1) Refer t

SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM vii CHAPTER 12. SMPTE-310M INTERFACE ...

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–4 J6 J5 J4 J3EXT CLKINAUXG.703 INTERFACEG.703OUTG.703IN Figure 11-

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–5 11.1.3 Specifications Table 11-1 is a summary of the G.703 data

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–6 Table 11-1. G.703 Specification (Continued) G.703 Specification

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–7 11.1.4.2 Receive Data Rate 2.048 Mbps Specifications Refer to

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–8 11.1.4.5 Receive Data Rate 32.064 Mbps Specifications Refer to

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–9 11.1.4.7 Receive Data Rate 44.736 Mbps Specifications Refer to

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–10 11.1.5 Receive Doppler/Plesiochronous Buffer Specifications 11.

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–11 11.1.5.5 Buffer Centering The unit provides buffer centering ca

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–12 11.1.6 Interface Loop - Through The interface provides a “Loop

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–13 ModulatorSDRDDemodulatorSDRDTx IFRx IF Figure 11-3. Co-Located

SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM viii GLOSSARY ...

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–14 11.1.8 Terrestrial Interface Types 11.1.8.1 Send Data (SD),

SDM-2020 Satellite Demodulator Revision 4 G.703 Data Interface MN/SDM2020D.IOM 11–15 Table 11-11. G.703 Auxiliary Connector Pinout Auxiliary Connect

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12–1 Chapter 12. SMPTE-310M INTERFACE This section describes the plug-in SMPTE-310M Data Interface used with the SDM-2020 Demodulator. 12.1 SMPTE-

SDM-2020 Satellite Demodulator Revision 4 SMPTE-310M Data Interface MN/SDM2020D.IOM 12–2 12.1.2 Description The SMPTE 310M data interface is a plug-

SDM-2020 Satellite Demodulator Revision 4 SMPTE-310M Data Interface MN/SDM2020D.IOM 12–3 J6J5J4J3 Figure 12-2. Module Assembly, Part No. AS/6175-2

SDM-2020 Satellite Demodulator Revision 4 SMPTE-310M Data Interface MN/SDM2020D.IOM 12–4 12.1.3.1 Specification Summary Table 12-1. SMPTE-310M Spec

SDM-2020 Satellite Demodulator Revision 4 SMPTE-310M Data Interface MN/SDM2020D.IOM 12–5 Environmental Operating Temperature Storage Temperature Hu

SDM-2020 Satellite Demodulator Revision 4 SMPTE-310M Data Interface MN/SDM2020D.IOM 12–6 12.1.3.4 TX and RX Terrestrial Data Interface Connector (J

SDM-2020 Satellite Demodulator Revision 4 SMPTE-310M Data Interface MN/SDM2020D.IOM 12–7 12.1.3.5.2 Auxiliary Interface Connector – J5 This port pro

SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM ix Tables Table 1-1. Unframed (187) Mode...

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13–1 Chapter 13. ASI/LVDS INTERFACE This section describes the plug-in ASI/LVDS Data Interface used with the SDM-2020 Demodulator. 13.1 ASI/LVDS

SDM-2020 Satellite Demodulator Revision 4 ASI/LVDS Data Interface MN/SDM2020D.IOM 13–2 13.1.2 Description This data interface is a plug-in module tha

SDM-2020 Satellite Demodulator Revision 4 ASI/LVDS Data Interface MN/SDM2020D.IOM 13–3 13.1.3 Interface Specifications A 75Ω coaxial cable (Belden 82

SDM-2020 Satellite Demodulator Revision 4 ASI/LVDS Data Interface MN/SDM2020D.IOM 13–4 Table 13-1. ASI/LVDS Specifications (Continued) LVDS Specific

SDM-2020 Satellite Demodulator Revision 4 ASI/LVDS Data Interface MN/SDM2020D.IOM 13–5 13.1.3.1 Jumper Selection There are jumpers located on the AS

SDM-2020 Satellite Demodulator Revision 4 ASI/LVDS Data Interface MN/SDM2020D.IOM 13–6 13.1.3.2 Applicable Jumper Data When the ASI portion of the i

SDM-2020 Satellite Demodulator Revision 4 ASI/LVDS Data Interface MN/SDM2020D.IOM 13–7 13.1.4 Loopback Connection Refer to Table 13-3 for additional

SDM-2020 Satellite Demodulator Revision 4 ASI/LVDS Data Interface MN/SDM2020D.IOM 13–8 13.1.6 Connector Pinout Data 13.1.6.1 ASI Connector Pinout

SDM-2020 Satellite Demodulator Revision 4 ASI/LVDS Data Interface MN/SDM2020D.IOM 13–9 Table 13-4. LVDS Connector Pinout (J6) (Continuous) Signal Fu

SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM x Table 11-2. RX Data Rate 1.544 Mbps ...

SDM-2020 Satellite Demodulator Revision 4 ASI/LVDS Data Interface MN/SDM2020D.IOM 13–10 13.1.7 ASI/LVDS Interface Defaults Default settings for the

A–1Appendix A. REMOTE CONTROL COMMANDS This appendix describes the remote control operation of the demodulator. A.1 General Firmware number: FW/6

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–2 Commands are messages, which are transmitted to a satellite d

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–3A.1.5 Command/Response The command/response portion of the mes

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–4 A.1.6 This page is intentionally left bl

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–5A.1.6 Configuration Commands/Responses A.1.6.1 Demodulator Con

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–6Bit Error Rate Threshold Command: Response: Status: Response:

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–7RF Input Select Command: Response: Status: Response: <add/

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–8 7 8 9 10 11 12

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–9 26 27 28

SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM xi About this Manual This manual provides installation and operation information f

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–10 26 27 28 thru 40 26 27 thru 40

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–11 29 30 31 32 33

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–12A.1.8 Bulk Demodulator Configuration Change Status Bulk Dem

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–13A.1.10 System Configuration Commands/Responses Time Of Day

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–14A.1.11 Configuration Status Demodulator Rate Command: Respo

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–15Demod/ Coder Config. Program Status Command: Response: <a

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–16Interface Config. Status Command: Response: <add/ICS_&apo

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–17Interface Status Command: Response: <add/IRXS_'cr&a

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–18A.1.12 Error Performance Status Raw BER Command: Response:

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–19Non-G.703 Interface Command: Response: <add/IRES_'cr

SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM xii Metric Conversion Metric conversion information is located on the inside back

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–20Current Sweep Value Command: Response: <add/CSV_'cr&

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–21Interface Receive Side Stored Faults Command: Response: <

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–22A.1.14 Bulk Consolidated Analog Status Bulk Consol. Analog S

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–23A.1.15 Bulk Consolidated Status Bulk Consol. Status Command:

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–24 17 18 to 20 21 22 23 thru 32 Bit Error R

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–25Bit 2 = Selected Buffer Clock Activity Bit 1 and Bit 0 = rese

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–26 DATA ROM Firmware Information Command: Response: <add/DF

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–27A.1.16 Data Interfaces A.1.16.1 RS422 Interface Commands Int

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–28A.1.16.2 ASI/RS422 Interface Commands Interface Select Comma

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–29A.1.16.3 ECL/HSSI_ RX Interface Commands ECL DTE Status Stat

SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM xiii ELECTRICAL SAFETY The SDM-2020 Satellite Demodulator has been shown to comply

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–30Interface Receive Framing Structure Command: Response: Statu

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–31A.1.16.5 ASI/LVDS Interface Commands Interface Select Comman

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–32 Where ‘pn’ is the last parameter returned. Parameter Number

SDM-2020 Satellite Demodulator Revision 4 Remote Control Commands MN/SDM2020D.IOM A–33A.1.17 OEM LCD Option (Requires FAST Upgrade) The OEM LCD op

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SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM xiv Installation The installation and connection to the line supply must be made

SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM xv EMC (Electromagnetic Compatibility) In accordance with European Directive 89/33

SDM-2020 Satellite Demodulator Revision 4 Preface MN/SDM2020D.IOM xvi Warranty Policy This Comtech EF Data product is warranted against defects in

1–1 Chapter 1. INTRODUCTION This chapter provides an overview, internal assembly tables, and specifications for the SDM-2020 satellite demodulator, r

SDM-2020 Satellite Demodulator Revision 4 Introduction MN/SDM2020D.IOM 1–2 The modulator and demodulator are intended for use in commercial applica

SDM-2020 Satellite Demodulator Revision 4 Introduction MN/SDM2020D.IOM 1–3 The demodulator is designed to meet stringent safety and RF emissions st

s:\tpubs\manuals\released_word\modems\sdm2020d_rev4\text\errata a.doc 1 Errata A Comtech EF Data Documentation Update Subject: Change Modulator/Dem

SDM-2020 Satellite Demodulator Revision 4 Introduction MN/SDM2020D.IOM 1–4 1.2 Assemblies The demodulator consists of the assemblies listed in Tabl

SDM-2020 Satellite Demodulator Revision 4 Introduction MN/SDM2020D.IOM 1–5 1.4 Description of Data Interface Table 1-2 provides a list of the data

SDM-2020 Satellite Demodulator Revision 4 Introduction MN/SDM2020D.IOM 1–6 1.4.2 Transmit/Receive Data The data format for the transmit (TX) and re

SDM-2020 Satellite Demodulator Revision 4 Introduction MN/SDM2020D.IOM 1–7 Note: For proper operation, data and timing must be continuous, and meet

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2–1 Chapter 2. INSTALLATION This chapter provides unpacking and installation instructions, and a description of external connections. CAUTION The e

SDM-2020 Satellite Demodulator Revision 4 Installation MN/SDM2020D.IOM 2–2 2.2 Installation A complete demodulator consists of the SDM-2020 main uni

SDM-2020 Satellite Demodulator Revision 4 Installation MN/SDM2020D.IOM 2–3 EquipmentRackMountingRail#10 Socket headscrew BRACKETBOLTSSupportBracke

SDM-2020 Satellite Demodulator Revision 4 Installation MN/SDM2020D.IOM 2–4 2.2.1 Data Interfaces Note: Refer to Chapter 1 for description of the ava

SDM-2020 Satellite Demodulator Revision 4 Installation MN/SDM2020D.IOM 2–5 Note: After a different interface type has been installed, the demodula

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3–1 Chapter 3. EXTERNAL CONNECTIONS This chapter a description of external connections. 3.1 External Connections The connectors for the main unit a

SDM-2020 Satellite Demodulator Revision 4 Installation MN/SDM2020D.IOM 3–2 GROUND PRIME POWERJ3DATA INTERFACE*LNB POWERLEDJ1REMOTEJ2FAULTJ21MONITOR

SDM-2020 Satellite Demodulator Revision 4 Installation MN/SDM2020D.IOM 3–3 3.1.1 Connector Pinout Definitions Pinout “TYPE” is defined to describ

SDM-2020 Satellite Demodulator Revision 4 Installation MN/SDM2020D.IOM 3–4 3.2 Connections 3.2.1 Remote Connector and Pinout (J1) The remote contr

SDM-2020 Satellite Demodulator Revision 4 Installation MN/SDM2020D.IOM 3–5 3.2.2 Fault Connector (J2) The fault interface connection is a 9-pin fe

SDM-2020 Satellite Demodulator Revision 4 Installation MN/SDM2020D.IOM 3–6 3.2.3 Monitor Points (J21) The monitor points are located on a 9-pin D S

SDM-2020 Satellite Demodulator Revision 4 Installation MN/SDM2020D.IOM 3–7 3.2.4 Receive IF Input Connector 3.2.4.1 Single L-Band Input (J23) The

SDM-2020 Satellite Demodulator Revision 4 Installation MN/SDM2020D.IOM 3–8 3.2.6 Fuse Data Fuse Type Littlefuse 215002 5 x 20 mm Fuse T2A H250V Ti

4–1 CHAPTER 4. FULLY ACCESSIBLE SYSTEM TOPOLOGY (FAST) 4.1 FAST System Theory FAST is an enhancement feature available only in Comtech EF Data produc

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SDM-2020 Satellite Demodulator Revision 4 Fully Accessible System Topology (FAST) MN/SDM2020D.IOM 4–2 4.1.1.1 Activation Procedure Obtain Modem Ser

SDM-2020 Satellite Demodulator Revision 4 Fully Accessible System Topology (FAST) MN/SDM2020D.IOM 4–3 7. Use [←] and [→] select CARD #2 (Reed-Solo

SDM-2020 Satellite Demodulator Revision 4 Fully Accessible System Topology (FAST) MN/SDM2020D.IOM 4–4 Entering Access Codes from the Remote Control

5–1 Chapter 5. SPECIFICATION This chapter describes the specification for the SDM-2020. 5.1 Specifications Table 5-1. Demodulator Specifications Gen

SDM-2020 Satellite Demodulator Revision 4 Specification MN/SDM2020D.IOM 5–2 Table 5-1. Demodulator Specifications (Continued) General Specification

SDM-2020 Satellite Demodulator Revision 4 Specification MN/SDM2020D.IOM 5–3 5.1.1 L-Band and 70/140 MHz Input Demodulator Charactistics Table 5-2

SDM-2020 Satellite Demodulator Revision 4 Specification MN/SDM2020D.IOM 5–4 5.1.2 Remote Port and M&C Specification Table 5-3. Remote Port a

SDM-2020 Satellite Demodulator Revision 4 Specification MN/SDM2020D.IOM 5–5 Figure 5-1. Signal Level Characteristics –L-Band Figure 5

SDM-2020 Satellite Demodulator Revision 4 Specification MN/SDM2020D.IOM 5–6 5.2 BER Performance 5.2.1 QPSK with Reed-Solomon Coding BER 1/2 2/

SDM-2020 Satellite Demodulator Revision 4 Specification MN/SDM2020D.IOM 5–7 5.2.2 8-PSK Reed-Solomon Coding Note: For 8-PSK Rate 8/9 at symbol ra

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SDM-2020 Satellite Demodulator Revision 4 Specification MN/SDM2020D.IOM 5–8 5.2.3 16-QAM Reed-Solomon Coding Eb/N0 with Reed-Solomon BER 3/4 7

SDM-2020 Satellite Demodulator Revision 4 Specification MN/SDM2020D.IOM 5–9 5.3 Data Rates Table 5-4. Unframed (187) Mode Code Rate Minimum Data

SDM-2020 Satellite Demodulator Revision 4 Specification MN/SDM2020D.IOM 5–10 5.4 Fault Tree Table 5-7. Fault Tree DEMODULATOR FLT LED FLT RLY A

SDM-2020 Satellite Demodulator Revision 4 Specification MN/SDM2020D.IOM 5–11 5.5 SDM-2020 Demodulator Envelope Note: All dimensions are in inches;

SDM-2020 Satellite Demodulator Revision 4 Specification MN/SDM2020D.IOM 5–12 This page is intentionally left blank.

6–1Chapter 6. FRONT PANEL OPERATION This appendix describes the front panel operation for demodulator. 6.1 Introduction The SDM-2020 demodulator h

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–26.1.1 Front Panel The demodulator front panel (Figure 6-1) enabl

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–36.1.2 LED Indicators The seven LEDs on the front panel indicate:

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–46.1.3 Front Panel Keypad The front panel keypad (Figure 6-2), p

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–56.1.4 Menu System To access and execute all functions, refer to

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SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–6FUNCTION SELECTCONFIGURATIONMONITORFAULTS/ALARMSSTORED FLTS/ALMS

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–76.1.5 Opening Screen This screen is displayed whenever power is

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–8 6.1.5.2 Function Select: Configuration: Demodulator CONFIGURA

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–9 Function Select: Configuration: Demodulator: RX-DR with

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–10 Function Select: Configuration: Demodulator: RX-SR (Conditio

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–11 Function Select: Configuration: Demodulator: RX-SR (Conditio

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–12 Function Select: Configuration: Demodulator: Energy Dispersal

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–13 Function Select: Configuration: Demodulator: BER Threshold B

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–14 Function Select: Configuration: Demodulator: Eb/No Thresh ALM

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–15 Function Select: Configuration: Demodulator: Reacquisition R

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SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–166.1.5.3 Function Select: Configuration: Interface CONFIGURATI

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–17 Function Select: Configuration: Interface: RX Data Fault

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–18 Function Select: Configuration: Interface: RX 2047 Pattern

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–19 Function Select: Configuration: Interface: EXT- REF Frequency

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–20 Function Select: Configuration: Interface: TX Coding Format

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–21 Function Select: Configuration: Interface: RX Coding Format

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–22 Function Select: Configuration: Interface: Buffer Center (Co

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–23 6.1.5.5 Function Select: Configuration: Recall CONFIGURATION

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–24 Function Select: Monitor: Corrected BER CORRECTED BER 4.0 E-

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–25 Function Select: Monitor: Eb/No Margin EB/NO MARGIN 10.0 dB

Copyright © Comtech EF Data, 2000. All rights reserved. Printed in the USA. Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA, 480.333.

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–26 SWEEP FREQUENCY + 0 Hz Displays the current sweep frequen

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–27 2047 PATTERN NO DATA Displays “LOCKED” upon detection of a v

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–28 2047 ERRORS NO DATA Receives 2047 BER. This is a monitor poi

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–29 6.1.7 Function Select: Faults/Alarms FUNCTION SELECT FAULTS/

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–30 DEMODULATOR -------- CARRIER DETECT Indicates the Viterbi/TC

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–31---------- CONFIGURATION Demodulator configuration fault. Indi

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–32 Function Select: Faults/Alarms: RX Interface RX INTERFACE --

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–33COMMON ------ BATTERY/CLOCK M&C battery voltage or cloc

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–34STORED FLTS/ALMS The demodulator stores the first 10 (Flt0 th

SDM-2020 Satellite Demodulator Revision 4 Front Panel Operation MN/SDM2020D.IOM 6–35 (FAULT LABEL) ------- Displays the stored date and time