Comtech EF Data SDM-100A Specifiche Pagina 1

SDM-100A Satellite Modem Installation and Operation Manual Part Number MN/SDM100A.IOM Revision 0

Table of Contents SDM-100A Satellite Modem vi Rev. 0 CHAPTER 3. OPERATION...

Operation SDM-100A Satellite Modem 3–66 Rev. 0 3.2.2.5 Utility Functions The utility functions are divided into five categories: • Modulator • Dem

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Operation SDM-100A Satellite Modem 3–68 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTUTILITYASSIGN TRANSMITFILTERSMODULATOR TYPESDM51 C

SDM-100A Satellite Modem Operation Rev. 0 3–69 3.2.2.5.1 Utility Modulator: Type 1 Operation Assign Transmit Filters Transmit filter display/ass

Operation SDM-100A Satellite Modem 3–70 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTUTILITYUTILITYDEMODULATORASSIGN RECEIVEFILTERSDEMOD

SDM-100A Satellite Modem Operation Rev. 0 3–71 3.2.2.5.2 Utility Demodulator Functions: Type 1 Operation Assign Receive Filters Receive filter

Operation SDM-100A Satellite Modem 3–72 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTUTILITYUTILITYINTERFACEINTERFACETYPETX CLOCKPHASEBU

SDM-100A Satellite Modem Operation Rev. 0 3–73 3.2.2.5.3 Utility Interface Functions: Type 1 Operation Interface Type Displays the interface typ

Operation SDM-100A Satellite Modem 3–74 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTUTILITYUTILITYSYSTEMTIME: HH:MM:SS AM/PMDATE: MM/DD

SDM-100A Satellite Modem Operation Rev. 0 3–75 3.2.2.5.4 Utility System Functions: Type 1 Operation Time/Date Time of day and date set/display f

SDM-100A Satellite Modem Table of Contents Rev. 0 vii CHAPTER 4. THEORY OF OPERATION...

Operation SDM-100A Satellite Modem 3–76 Rev. 0 M&C Module FW Displays M&C module firmware version. Upon entry, the date of release of thi

SDM-100A Satellite Modem Operation Rev. 0 3–77 TRANSMIT RFEQUIPMENTCUSTOMERDATAINTERFACEENCODER/MODULATORTX = 70 MHzRX = 73 MHzRF_LBK = 70 MHzAN

Operation SDM-100A Satellite Modem 3–78 Rev. 0 TRANSMIT RFEQUIPMENTCUSTOMERDATAINTERFACEENCODER/MODULATORANTENNAACPOWERPOWERSUPPLYMICRO-COMPUTERRE

SDM-100A Satellite Modem Operation Rev. 0 3–79 3.3 Clocking Options Methods of clocking the data from the terrestrial equipment to the satellite

Operation SDM-100A Satellite Modem 3–80 Rev. 0 Figure 3-29. Master/Master Clocking Block Diagram

SDM-100A Satellite Modem Operation Rev. 0 3–81 Figure 3-30. Master/Slave Clocking Block Diagram

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Rev. 0 4–1 Chapter 4. THEORY OF OPERATION This chapter describes the theory of operation for the various components of the modem. 4.1 Modulator T

Theory of Operation SDM-100A Satellite Modem 4–2 Rev. 0 Fault information from the modulator is sent to the host M&C, and includes: • Synthesiz

SDM-100A Satellite Modem Theory of Operation Rev. 0 4–3 The data signal passes to the convolutional encoder. • For Viterbi codes, the convolutio

Table of Contents SDM-100A Satellite Modem viii Rev. 0 A.2.2 Device Address ...

Theory of Operation SDM-100A Satellite Modem 4–4 Rev. 0 In the normal (or “Standard”) operation, the I channel data is output from the MUX first, fo

SDM-100A Satellite Modem Theory of Operation Rev. 0 4–5 4.1.2 Specifications Modulation Type QPSK or BPSK Data Rate Range 19.2 to 128 kbit/s 1

Theory of Operation SDM-100A Satellite Modem 4–6 Rev. 0 4.2 Demodulator The modem demodulator converts a QPSK or BPSK modulated signal of 50 to 180

SDM-100A Satellite Modem Theory of Operation Rev. 0 4–7 IA/DALIASFILTERAGCIF FILTERALIASFILTERA/DDIGITALDIGITALNYQUISTNYQUISTQ900RFSYNTHMPCIFLOOPB

Theory of Operation SDM-100A Satellite Modem 4–8 Rev. 0 A set of “branch metric” values is then computed for each of the received symbol pairs, rela

SDM-100A Satellite Modem Theory of Operation Rev. 0 4–9 4.2.4 Sequential Decoding Theory The sequential decoder is used in closed network applica

Theory of Operation SDM-100A Satellite Modem 4–10 Rev. 0 The syndrome input generator converts the 2-bit soft decision data into a single bit per ch

SDM-100A Satellite Modem Theory of Operation Rev. 0 4–11 4.3 Monitor and Control A sophisticated microcontroller module is used to perform the mo

Theory of Operation SDM-100A Satellite Modem 4–12 Rev. 0 4.3.4 Remote Interface Configuration All modem functions can be remotely controlled and mo

SDM-100A Satellite Modem Theory of Operation Rev. 0 4–13 4.3.5 Modem Defaults The M&C has default settings that are loaded into the modem at

SDM-100A Satellite Modem Table of Contents Rev. 0 ix B.2.2.2 Modulator Configuration ...

Theory of Operation SDM-100A Satellite Modem 4–14 Rev. 0 4.4 Digital Interfaces The modem interface module is a daughter card that plugs onto the d

SDM-100A Satellite Modem Theory of Operation Rev. 0 4–15 17P135+TT-TTTTJ15637,3831,32SD+5V-5V+S-SD 422213416DEMOD FAULT-MC+MCMCDF151316714RSCSMFMO

Theory of Operation SDM-100A Satellite Modem 4–16 Rev. 0 Data received by the modem is output on the Receive Data (RD) lines, while the recovered cl

SDM-100A Satellite Modem Theory of Operation Rev. 0 4–17 Fault indicators are also provided on TTL open collector drivers on the RS-422 connector.

Theory of Operation SDM-100A Satellite Modem 4–18 Rev. 0 4.4.1.2 Specification Circuit Supported SD, ST, TT, RD, RT, DM, RR, MC, MOD FAULT, DEMOD

SDM-100A Satellite Modem Theory of Operation Rev. 0 4–19 J11124+TT-TTTTJ25637,3831,32SD+5V-5V+S-SD142212320DEMOD FAULT-MC+MCMCDF151316714RSCSMFMOD

Theory of Operation SDM-100A Satellite Modem 4–20 Rev. 0 The Request to Send (RTS) line is hard-wired to the Clear to Send (CTS) line by JP11, pins

SDM-100A Satellite Modem Theory of Operation Rev. 0 4–21 4.4.2.1 Connector Pinouts The V.35 interface is provided on the industry standard 34-pin

Theory of Operation SDM-100A Satellite Modem 4–22 Rev. 0 4.4.2.2 Specification Circuit Supported SD, SCT, SCTE, RD, SCR, DSR, RLSD, MC, MOD FAULT,

SDM-100A Satellite Modem Theory of Operation Rev. 0 4–23 SD BADATT5P5TTRS CA(TT)DAJ124249(RS)(SD)CABA-MC-MCMCDFDFSDRSMC67131516108STRTDFMFMFRT DDM

Table of Contents SDM-100A Satellite Modem x Rev. 0 Figures Figure 1-1. SDM-100A...

Theory of Operation SDM-100A Satellite Modem 4–24 Rev. 0 The TX clock phasing choice is made from the front panel in the Interface Configuration men

SDM-100A Satellite Modem Theory of Operation Rev. 0 4–25 Two fault outputs are provided on dry contact Form-C relays on the Demodulator/M&C ca

Theory of Operation SDM-100A Satellite Modem 4–26 Rev. 0 4.4.4 Asynchronous Interface Refer to Appendix B. 4.4.5 Terrestrial Interface Change The

Rev. 0 5–1 Chapter 5. MAINTENANCE This chapter describes system checkout, maintenance, and troubleshooting procedures for the modem. 5.1 System C

Maintenance SDM-100A Satellite Modem 5–2 Rev. 0 5.1.2 Modulator Checkout The first step in turning up a carrier is to set the output frequency. Thi

SDM-100A Satellite Modem Maintenance Rev. 0 5–3 Figure 5-1. Typical Output Spectrum ATTEN 10 dB1 dB/DIVRL-53.0dBmCENTER 70.0000 MHz*RBW 3.0

Maintenance SDM-100A Satellite Modem 5–4 Rev. 0 Table 5-1. EFData Conversion of (S+N)/N to S/N and Eb/N0 for Various Code Rates (dB) Code Rate 1/2

SDM-100A Satellite Modem Maintenance Rev. 0 5–5 WITH NOISE WITHOUT NOISE Figure 5-3. Typical Eye Constellations

Maintenance SDM-100A Satellite Modem 5–6 Rev. 0 5.1.4 Test Points The modem does not have accessible test points. When troubleshooting is required

SDM-100A Satellite Modem Maintenance Rev. 0 5–7 5.1.4.2 Modulator Test Points TP 1 DATA CLOCK TTL level clock that is locked to the incoming d

SDM-100A Satellite Modem Table of Contents Rev. 0 xi Figure 5-4. Fault Tree ...

Maintenance SDM-100A Satellite Modem 5–8 Rev. 0 5.2 Fault Isolation The modem has been designed so that a competent technician can isolate fault co

SDM-100A Satellite Modem Maintenance Rev. 0 5–9 5.3 Module Identification The modem PCBs each have an assembly number that is marked on the board

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Rev. 0 A–1 Appendix A. REMOTE CONTROL OPERATION This appendix describes the remote control operation of the SDM-100, -100A, -150, and -150A.

Remote Control Operation SDM-100A Satellite Modem A–2 Rev. 0 A.2 Message Structure The ASCII character format used requires 11 bits/character

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–3 A.2.3 Command/Response The command/response portion of the message contains a var

Remote Control Operation SDM-100A Satellite Modem A–4 Rev. 0 A.3 Configuration Commands/Responses A.3.1 Modulator Modulator Frequency Comma

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–5 Set Modulator Output Power Level Command: Response: Status: Response: <add/MOP

Remote Control Operation SDM-100A Satellite Modem A–6 Rev. 0 A.3.2 Demodulator Set Demod Frequency Command: Response: Status: Response: <

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–7 Sweep Center Frequency Command: Response: Status: Response: <add/SCF_snnnnn&ap

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Remote Control Operation SDM-100A Satellite Modem A–8 Rev. 0 A.3.3 Interface Transmit Clock Command: Response: Status: Response: <add/TC

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–9 Interface Subscriber/ Trunk Emulation Command: Response: Status: Response: <ad

Remote Control Operation SDM-100A Satellite Modem A–10 Rev. 0 ASYNC Receive Overhead Baud Rate Command: Response: Status: Response: <add/RO

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–11 Interface MC Signal Command Command: Response: <add/ISMC_xxx'cr' >

Remote Control Operation SDM-100A Satellite Modem A–12 Rev. 0 A.3.4 System Time Of Day Command: Response: Status: Response: <add/TIME_h

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–13 AUPC Minimum Power Limit Command: Response: Status: Response: <add/MINP_snn.n

Remote Control Operation SDM-100A Satellite Modem A–14 Rev. 0 A.4 Status Commands/Responses A.4.1 Configuration Modulator Config Status Com

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–15 Modulator/ Coder Config Program Status Command: Response: <add/MCP_'cr&ap

Remote Control Operation SDM-100A Satellite Modem A–16 Rev. 0 Demodulator Config Status Command: Response: <add/DCS_'cr' >add/

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–17 Demod/ Decoder Config Program Status Command: Response: <add/DCP_'cr&apos

Rev. 0 1–1 Chapter 1. INTRODUCTION This chapter provides the description, options, and specifications for the SDM-100A satellite modem, referred t

Remote Control Operation SDM-100A Satellite Modem A–18 Rev. 0 Interface Config Status Command: Response: <add/ICS_'cr' >add/IC

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–19 Automatic Uplink Power Control (AUPC) Config Status Command: Response: <add/AC

Remote Control Operation SDM-100A Satellite Modem A–20 Rev. 0 Common Equipment Status Command: Response: <add/CES_'cr' >add/CES

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–21 Current Sweep Value Command: Response: <add/CSV_'cr' >add/CSV_snnn

Remote Control Operation SDM-100A Satellite Modem A–22 Rev. 0 Bulk Consol Status Command: Response: <add/BCS_'cr' >add/BCS_p1,

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–23 Parameter 20 (p20): Demodulator preset B assignment (ref. "ADRB_" comman

Remote Control Operation SDM-100A Satellite Modem A–24 Rev. 0 "APD_" command). (Note 1) p43 = n, where 'n' is '0&apos

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–25 p64 = xxxx, where 'xxxx' is the currently programmed parity. Parameter 6

Remote Control Operation SDM-100A Satellite Modem A–26 Rev. 0 Change Status Command: Response: <add/CS_'cr' >add/CS_x'cr&a

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–27 A.4.2 Error Performance Raw BER Command: Response: <add/RBER_'cr'

Introduction SDM-100A Satellite Modem 1–2 Rev. 0 1.1 Purpose and Function The modem is ideally suited for networks implemented with digitized voice

Remote Control Operation SDM-100A Satellite Modem A–28 Rev. 0 A.5 Stored Faults Information on stored faults is returned when requested. If n

SDM-100A Satellite Modem Remote Control Operation Rev. 0 A–29 Reed-Solomon Unavailable Seconds Command: Response: <add/RSSF_#'cr'

Remote Control Operation SDM-100A Satellite Modem A–30 Rev. 0 Character 'h': Interface transmit side faults character 2. Bit 6 = 1

Rev. 0 B–1 Appendix B. OPTIONS This appendix provides information about the following options: • Asynchronous/Automatic Uplink Power Control (AU

Options SDM-100A Satellite Modem B–2 Rev. 0 Figure B-1. ASYNC/AUPC Block Diagram

SDM-100A Satellite Modem Options Rev. 0 B–3 The ASYNC interface PCB also provides its own Doppler buffer, which has a maximum depth of 32 ms at th

Options SDM-100A Satellite Modem B–4 Rev. 0 4. Once modem A has re-acquired the carrier, it will start sending commands to modem B to achieve the d

SDM-100A Satellite Modem Options Rev. 0 B–5 B.1.1.4 Demultiplexer Operation The operation of the DEMUX section is similar to the operation of the

Options SDM-100A Satellite Modem B–6 Rev. 0 B.1.1.6 Loop Timing Operation A loop timing option is provided. When loop timing is selected, the Doppl

SDM-100A Satellite Modem Options Rev. 0 B–7 B.1.1.10 Valid ASYNC Baud Rates The ASYNC baud rates are limited by the terrestrial data rates. The f

SDM-100A Satellite Modem Introduction Rev. 0 1–3 The modem interfaces with IF converter equipment operating in a 50 to 180 MHz band. The data inte

Options SDM-100A Satellite Modem B–8 Rev. 0 B.1.2.1 Top Cover Removal The following 16 screws must be removed from the modem in order to take off t

SDM-100A Satellite Modem Options Rev. 0 B–9 B.1.3 Front Panel Operation The following sections describe the additional front panel operations tha

Options SDM-100A Satellite Modem B–10 Rev. 0 B.1.3.2 Modulation Configuration TX Rate and Type This option allows the user to chose from a 9.6 to

SDM-100A Satellite Modem Options Rev. 0 B–11 B.1.3.5 Specifications Terrestrial Interface Data Rate 9.6 to 224 kHz Overhead 1/16 overhead Coding

Options SDM-100A Satellite Modem B–12 Rev. 0 B.2 ADPCM Voice Interface The ADPCM voice interface is capable of providing a single duplex voice chan

SDM-100A Satellite Modem Options Rev. 0 B–13 MODEMTERRESTRIAL Figure B-3. ADPCM Block Diagram

Options SDM-100A Satellite Modem B–14 Rev. 0 B.2.1.1 Multiplexer The ADPCM interface provides a 6-wire, RJ11 phone connector on the back panel for

SDM-100A Satellite Modem Options Rev. 0 B–15 The analog signal from the PCM decoder then passes through a programmable level control circuit (user

Options SDM-100A Satellite Modem B–16 Rev. 0 B.2.2 Front Panel Operation The following sections describe the additional front panel operations that

SDM-100A Satellite Modem Options Rev. 0 B–17 B.2.2.4 Utility/Interface With ADPCM turned off, the RS-422 signals SD, RD, RR, and DM can be invert

Introduction SDM-100A Satellite Modem 1–4 Rev. 0 Figure 1-3. Dimensional Drawing 1.3 Options For more information on the following options, refe

Options SDM-100A Satellite Modem B–18 Rev. 0 B.2.3 Specifications Voice Encoding Audio Encoding CCITT G.711 and G.721 PCM or ADPCM Audio Encoding

SDM-100A Satellite Modem Options Rev. 0 B–19 B.3 Reed-Solomon Codec The Reed-Solomon Codec firmware works in conjunction with the interface card

Options SDM-100A Satellite Modem B–20 Rev. 0 TXSATDATJP2PARALLELRAMUNIQUE WORDRSSERIALSYNCHRONOUSSYNCHRONOUSMUXD ATA(SERIAL)JP2MUXCLKJP2 SCRAMBLERU3

SDM-100A Satellite Modem Options Rev. 0 B–21 Since errors from the Viterbi decoder usually occur in bursts, a block-interleaver with a depth of 4

Options SDM-100A Satellite Modem B–22 Rev. 0 B.3.2 Reed-Solomon Decoder Refer to Figure B-7 for a block diagram of the Reed-Solomon decoder section

SDM-100A Satellite Modem Options Rev. 0 B–23 Refer to Figure B-6 for the Reed-Solomon code page format. The outer Codec reads the data in blocks o

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Rev. 0 g–1 Glossary The following is a list of acronyms and abbreviations that may be found in this manual. Acronym/ Abbreviation Definition Ω Ohm

Glossary SDM-100A Satellite Modem g–2 Rev. 0 DCE Data Circuit Terminating Equipment DDS Direct Digital Synthesis Demod Demodulator DEMUX Demultipl

SDM-100A Satellite Modem Glossary Rev. 0 g–3 RMA Return Material Authorization ROM Read-Only Memory RR Receiver Ready RS Ready to Send RT Receive

SDM-100A Satellite Modem Introduction Rev. 0 1–5 1.4 Modem Specifications Table 1-1 lists the operating specifications of the modem. Table 1-1.

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METRIC CONVERSIONS Units of Length Unit Centimeter Inch Foot Yard Mile Meter Kilometer Millimeter 1 centimeter — 0.3937 0.03281

2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 • 333 • 2200 PHONE 480 • 333 • 2161 FAX

Introduction SDM-100A Satellite Modem 1–6 Rev. 0 Additional Modulator Specifications Output Power -5 to -30 dBm, adjustable in 0.1 dB steps. Outpu

SDM-100A Satellite Modem Introduction Rev. 0 1–7 1.5 BER Performance The bit energy-to-noise ratio (Eb/N0) required to achieve 10-5 to 10-7 bit e

Introduction SDM-100A Satellite Modem 1–8 Rev. 0 10-410-310-510-6BER10-710-910-810-103.0 4.0 5.0 6.0Eb/N0 (dB)7.0 8.0 9.0 10.0 11.010-27/8 RATE3/4 R

SDM-100A Satellite Modem Introduction Rev. 0 1–9 10-410-310-510-6BER10-710-910-810-103.0 4.0 5.0 6.0Eb/N0 (dB)7.0 8.0 9.0 10.0 11.010-23/4 RATE1/2

Introduction SDM-100A Satellite Modem 1–10 Rev. 0 *ATTEN 0 dB10.00 dB/DIV64 kbit/s, 1/2RATEQPSKVITERBISDM 100RL -10.00 dBmCENTER 70.000 0 MHz100k30

Rev. 0 2–1 Chapter 2. INSTALLATION This chapter provides unpacking instructions, system requirements, and external connections for the modem. 2.1

Installation SDM-100A Satellite Modem 2–2 Rev. 0 6. Check the equipment against the packing list shipped with the equipment to ensure that the shi

SDM-100A Satellite Modem Installation Rev. 0 2–3 2.3 System Requirements The standard modem with all the cards installed is a full-duplex QPSK sa

Copyright © EFData Corporation, 1996. All rights reserved. Printed in the USA. EFData Corporation, 2105 West 5th Place, Tempe, Arizona 85281 USA, (60

Installation SDM-100A Satellite Modem 2–4 Rev. 0 $$$$$$$$$$$$$$$$$$$$ Figure 2-1. Typical Rack Elevation

SDM-100A Satellite Modem Installation Rev. 0 2–5 2.4 External Connections Connections between the modem and other equipment are made through five

Installation SDM-100A Satellite Modem 2–6 Rev. 0 2.4.1 DATA I/O Interface (J8) The DATA I/O interface connector is used to interface data input and

SDM-100A Satellite Modem Installation Rev. 0 2–7 2.4.3 Faults (J7) The Fault connector on the modem is used to interface FORM-C contact closures

Installation SDM-100A Satellite Modem 2–8 Rev. 0 2.4.5 RX IF Input (CP2) This is the receive IF connector. The input impedance is 75Ω (50Ω optiona

Rev. 0 3–1 Chapter 3. OPERATION This chapter describes the front panel operation and clocking configurations of the modem. For remote control ope

Operation SDM-100A Satellite Modem 3–2 Rev. 0 3.1.1 Front Panel Keypad Option This feature is a future option which will allow the user to plug in

SDM-100A Satellite Modem Operation Rev. 0 3–3 3.1.3 Front Panel Controls The modem is locally operated by using the front panel keypad (Figure 3-

Operation SDM-100A Satellite Modem 3–4 Rev. 0 3.2 Menu System In order to access and execute all functions, refer to the menus in Figures 3-2 throu

SDM-100A Satellite Modem Operation Rev. 0 3–5 3.2.1 Standard SDM-100 Menus SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTCONFIGURATIONFUNCTIO

Warranty Policy This EFData Corporation product is warranted against defects in material and workmanship for a period of one year from the

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SDM-100A Satellite Modem Operation Rev. 0 3–7 3.2.1.1 Configuration Modem configuration may be viewed or changed by entering the “CONFIGURATION”

Operation SDM-100A Satellite Modem 3–8 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTCONFIGURATIONCONFIGURATIONMODULATORTX-X CODE_RATE/TY

SDM-100A Satellite Modem Operation Rev. 0 3–9 3.2.1.1.1 Configuration Modulator TX-X Code_Rate/Type Transmitter Rate selection. One of four pred

Operation SDM-100A Satellite Modem 3–10 Rev. 0 TX Power Level Programs the modulator output power level from -5 to -30 dBm, in 0.1 dBm steps. The

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Operation SDM-100A Satellite Modem 3–12 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTCONFIGURATIONCONFIGURATIONDEMODULATORRX-X CODE_RATE

SDM-100A Satellite Modem Operation Rev. 0 3–13 3.2.1.1.2 Configuration Demodulator RX-X Code_Rate/Type Receiver rate selection. One of four prede

Operation SDM-100A Satellite Modem 3–14 Rev. 0 IF Loop Back Programs the modem for IF loopback operation (test mode). When IF loopback is turned

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Rev. 0 i Preface About this Manual This manual provides installation and operation information for the EFData SDM-100A satellite modem. This is a

Operation SDM-100A Satellite Modem 3–16 Rev. 0 ACCESS TOSUBMENUCONDITIONAL OROPTION-DEPENDENTParameter InformationKey:SDM-100 "TYPE"VER: 1

SDM-100A Satellite Modem Operation Rev. 0 3–17 B ASYNC TX STOP1 or 2 bits(ASYNC only)ADPCM INTFON/OFF(ADPCM only)CIRCUIT TYPETRUNKSUBSCRIBER(ADPCM

Operation SDM-100A Satellite Modem 3–18 Rev. 0 3.2.1.1.3 Configuration Interface TX Clock Source Programs the clock source for the modem transmitt

SDM-100A Satellite Modem Operation Rev. 0 3–19 B-Band Loop Back Programs the modem for baseband loopback operation (test mode). When baseband l

Operation SDM-100A Satellite Modem 3–20 Rev. 0 ADPCM Intf ADPCM interface ON/OFF selection. If ADPCM is set ON, the ADPCM operation is selected. I

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Operation SDM-100A Satellite Modem 3–22 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTCONFIGURATIONCONFIGURATIONLOCAL AUPC(AUPC only)AUPC

SDM-100A Satellite Modem Operation Rev. 0 3–23 3.2.1.1.4 Configuration Local AUPC AUPC Enable This option turns the local modem’s AUPC ON or OF

Operation SDM-100A Satellite Modem 3–24 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTMONIT ORRAW BER CORRECTED BER EB/N0RECEIVE SIGNALSW

SDM-100A Satellite Modem Operation Rev. 0 3–25 3.2.1.2 Monitor When the “MONITOR” level is entered, press [←] or [→] to select the desired monito

Preface SDM-100A Satellite Modem ii Rev. 0 Military Standards References to “MIL-STD-188” apply to the 114A series (i.e., MIL-STD-188-114A), which p

Operation SDM-100A Satellite Modem 3–26 Rev. 0 3.2.1.3 Faults/Alarms The “FAULTS/ALARMS” level is accessible from the “FUNCTION SELECT” menu. These

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Operation SDM-100A Satellite Modem 3–28 Rev. 0 Notes:1. A “-” indicates that no fault or alarm exists.2. A “+” indicates that a fault exists, and wi

SDM-100A Satellite Modem Operation Rev. 0 3–29 3.2.1.3.1 Modulator Faults Fault/Alarm Possible Problem and Action IF Synthesizer Modulator IF s

Operation SDM-100A Satellite Modem 3–30 Rev. 0 3.2.1.3.2 Demodulator Faults Fault/Alarm Possible Problem and Action Carrier Detect Carrier detect

SDM-100A Satellite Modem Operation Rev. 0 3–31 3.2.1.3.3 TX Interface Faults Fault/Alarm Possible Problem and Action TX Clock Activity Activity

Operation SDM-100A Satellite Modem 3–32 Rev. 0 3.2.1.3.5 Common Equipment Faults Fault/Alarm Possible Problem and Action Battery/Clock M&C ba

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Operation SDM-100A Satellite Modem 3–34 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTSTOREDFLTS/ALMSMODULATOR X DEMODULATOR X TX INTERF

SDM-100A Satellite Modem Operation Rev. 0 3–35 3.2.1.4 Stored Faults/Alarms The modem stores the first 10 (Flt0 through Flt9) occurrences of faul

SDM-100A Satellite Modem Preface Rev. 0 iii European EMC Directive In order to meet the European Electro-Magnetic Compatibility (EMC) Directive (E

Operation SDM-100A Satellite Modem 3–36 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTREMOTE AUPCREMOTE AUPCSTATUS:BB LOOP BACKSTATUS:ON

SDM-100A Satellite Modem Operation Rev. 0 3–37 3.2.1.6 Utility The utility functions are divided into five user categories, and provide access to

Operation SDM-100A Satellite Modem 3–38 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTUTILITYASSIGN TRANSMITFILTERSMOD POWEROFFSETMOD POW

SDM-100A Satellite Modem Operation Rev. 0 3–39 3.2.1.6.1 Utility Modulator Assign Transmit Filters Transmit filter display/assignment utility. U

Operation SDM-100A Satellite Modem 3–40 Rev. 0 Modulator Type Transmit Filter Type Select. Allows operator to select INTELSAT Open, CSC Closed, F

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Operation SDM-100A Satellite Modem 3–42 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTUTILITYUTILITYDEMODULATORASSIGN RECEIVEFILTERSDEMOD

SDM-100A Satellite Modem Operation Rev. 0 3–43 3.2.1.6.2 Utility Demodulator Assign Receive Filters Receive filter display/assignment utility.

Operation SDM-100A Satellite Modem 3–44 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTUTILITYUTILITYINTERFACEBUFFER PROGRAMRTS TX-IFCONTR

SDM-100A Satellite Modem Operation Rev. 0 3–45 3.2.1.6.3 Utility Interface Interface Type Displays the interface type installed in modem (RS-422

Preface SDM-100A Satellite Modem iv Rev. 0 Customer Support Contact the EFData Customer Support Department for: • Product support • Information

Operation SDM-100A Satellite Modem 3–46 Rev. 0 DM Signal Inverts the polarity of the DM signal. Select either NORMAL or INVERT (inverted) signal

SDM-100A Satellite Modem Operation Rev. 0 3–47 This page is intentionally left blank.

Operation SDM-100A Satellite Modem 3–48 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTUTILITYUTILITYSYSTEMTIME: HH:MM:SS AM/PMDATE: MM/DD

SDM-100A Satellite Modem Operation Rev. 0 3–49 3.2.1.6.4 Utility System Time/Date Time of day and Date set/display function. The current time a

Operation SDM-100A Satellite Modem 3–50 Rev. 0 M&C Module Firmware Displays M&C module firmware version. Upon entry, the date of release o

SDM-100A Satellite Modem Operation Rev. 0 3–51 ACCESS TOSUBMENUCONDITIONAL OROPTION-DEPENDENTParameter InformationKey:UTILITY MODEM TYPE MODEM SIM

Operation SDM-100A Satellite Modem 3–52 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTUTILITYACCESS TOSUBMENUCONDITIONAL OROPTION-DEPENDE

SDM-100A Satellite Modem Operation Rev. 0 3–53 3.2.2 Type 1 Operation Menus SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTCONFIGURATION(Figur

Operation SDM-100A Satellite Modem 3–54 Rev. 0 SDM-100A "TYPE"VER: 14.7.4FUNCTION SELECTCONFIGURATIONTX-X CODE_RATE/TYPERX-X CODE_RATE/TYP

SDM-100A Satellite Modem Operation Rev. 0 3–55 3.2.2.1 Configuration: Type 1 Operation TX-X Code_Rate/Type Transmitter rate selection. One of

Rev. 0 v Table of Contents CHAPTER 1. INTRODUCTION... 1–1 1.1 Pur

Operation SDM-100A Satellite Modem 3–56 Rev. 0 RX-X Code_Rate/Type Receiver rate selection. Four predefined receiver decoder/data rate combinatio

SDM-100A Satellite Modem Operation Rev. 0 3–57 TX Power Level Programs the modulator output power level from -5 to -30 dBm, in 0.1 dB steps. The

Operation SDM-100A Satellite Modem 3–58 Rev. 0 B-Band Loop Back Programs the modem for baseband loopback operation (test mode). When baseband loo

SDM-100A Satellite Modem Operation Rev. 0 3–59 Reacquisition Programs the sweep re-acquisition mode time duration. The time that is selected wi

Operation SDM-100A Satellite Modem 3–60 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTMONITORRAW BER CORRECTED BER EB/N0RECEIVE SIGNALCUR

SDM-100A Satellite Modem Operation Rev. 0 3–61 3.2.2.3 Faults/Alarms: Type 1 Operation The Faults/Alarms level is accessible from the Function Se

Operation SDM-100A Satellite Modem 3–62 Rev. 0 Notes:1. A “-” indicates that no fault or alarm exists.2. A “+” indicates that a fault exists, and wi

SDM-100A Satellite Modem Operation Rev. 0 3–63 3.2.2.3.1 Modulator Faults: Type 1 Operation Fault Description IF Synthesizer Modulator IF synth

Operation SDM-100A Satellite Modem 3–64 Rev. 0 SDM-100 "TYPE"VER: 14.7.4FUNCTION SELECTSTOREDFLTS/ALMSMODULATOR X DEMODULATOR X COMMON XHH

SDM-100A Satellite Modem Operation Rev. 0 3–65 3.2.2.4 Stored Faults/Alarms: Type 1 Operation The modem stores the first 10 (Flt0 through Flt9) o