Comtech EF Data SDM-309B Specifications

Comtech EF Data is an ISO 9001 Registered CompanySDM-309BSDM-309BSDM-309BSDM-309BSatellite ModemSatellite ModemSatellite ModemSatellite ModemIns

SDM-309B Satellite Modem Table of ContentsRev. 0 vii4.2.1.8 IBS Interface Specification...

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–23Figure 4-7 IBS Interface Breakout Panel Schematic Diagram

M&C and Interfaces SDM-309B Satellite Modem4-4–24 MN/U-SDM309B Rev. #4.2.2 Drop & Insert Interface4.2.2.1 Functional DescriptionThe IDR Drop

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–254.2.2.2 Data InterfaceThe module contains transformer balanced data interfac

M&C and Interfaces SDM-309B Satellite Modem4-4–26 MN/U-SDM309B Rev. #indicated by interrogating the modem and by a green Light Emitting Diode (LED

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–27of the events which cause a secondary alarm. The modem may be interrogated fr

M&C and Interfaces SDM-309B Satellite Modem4-4–28 MN/U-SDM309B Rev. #Figure 4-8 Drop and Insert Channel Unit

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–29Figure 4-9 Drop and Insert Block Diagram

M&C and Interfaces SDM-309B Satellite Modem4-4–30 MN/U-SDM309B Rev. #Figure 4-10 Drop & Insert Fault Tree

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–31Figure 4-11 Drop & Insert Jumper Table

M&C and Interfaces SDM-309B Satellite Modem4-4–32 MN/U-SDM309B Rev. #4.2.2.8 Drop & Insert Interface Connector PinoutsThe D&I interface i

Table of Contents SDM-309B Satellite Modemviii Rev. 0CHAPTER 5. THEORY OF OPERATION ...

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–33Satellite Data Rates Supported N x 64 Kb/s,N = 1, 2, 3, 4, 5, 6, 8, 10, 12, 1

M&C and Interfaces SDM-309B Satellite Modem4-4–34 MN/U-SDM309B Rev. #4.2.2.10 Drop & Insert Breakout PanelThe Drop and Insert Breakout Panel

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–35Figure 4-12 Drop and Insert Break-Out Panel

M&C and Interfaces SDM-309B Satellite Modem4-4–36 MN/U-SDM309B Rev. #4.2.2.10.1 Drop Data Input, Insert Data Output, and Ext. Ref Clk (J1)The Dro

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–37Note: The balanced insert data input signals on J3 are selected by SW2. Refe

M&C and Interfaces SDM-309B Satellite Modem4-4–38 MN/U-SDM309B Rev. #This connector is the interface for the unbalanced external reference clock i

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–39DROP DATA OUTPUT DDO-ADDO-B3738TERRESTRIAL TX DATA TER_TXDAT 5TERRESTRIAL RX

M&C and Interfaces SDM-309B Satellite Modem4-4–40 MN/U-SDM309B Rev. #4.2.2.11.4 Insert Data OutputThe insert data output signal has two outputs.

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–41Figure 4-13 Rear Panel Switch Diagram

M&C and Interfaces SDM-309B Satellite Modem4-4–42 MN/U-SDM309B Rev. #Table 4-3Switch 1Switch Position-1- -2- -3- -4-UNBALANCED DDI CLOSED CLOSED O

SDM-309B Satellite Modem Table of ContentsRev. 0 ix6.6 Repacking For Shipment...

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–43Figure 4-14 Drop and Insert Schematic Diagram

M&C and Interfaces SDM-309B Satellite Modem4-4–44 MN/U-SDM309B Rev. #Figure 4-15 Drop & Insert Daughter Board Schematic Diagram

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–454.2.3 External Channel Unit InterfaceRefer to Appendix C for a complete descr

M&C and Interfaces SDM-309B Satellite Modem4-4–46 MN/U-SDM309B Rev. #Modem Settings (Slave)TX_CLOCK TX_TERRBUF_CLK SATELITERX_CLOCK NORMAL4.3.1.2

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–47an exact frame length, causing minimum loss of data. By using very high stabi

MN/U-SDM309B Rev. # 5-5–1Chapter 5. THEORY OF OPERATION5.1 Modulator5.1.1 General descriptionThe modem Modulator card is a 10.25" x 14" ca

Theory of Operation SDM-309B Satellite Modem5-5–2 MN/U-SDM309B Rev. #Spurious and Harmonics -50 dBc minimum in band, 40 dBcminimum out of bandOutput P

SDM-309B Satellite Modem Theory of OperationMN/U-SDM309B Rev. # 5-5–3Figure 5-1 Modulator Card

Theory of Operation SDM-309B Satellite Modem5-5–4 MN/U-SDM309B Rev. #Figure 5-2 Modulator Block Diagram

SDM-309B Satellite Modem Theory of OperationMN/U-SDM309B Rev. # 5-5–5Figure 5-3 Modulator Output Spectral Occupancy

Table of Contents SDM-309B Satellite Modemx Rev. 0This page is intentionally blank.

Theory of Operation SDM-309B Satellite Modem5-5–6 MN/U-SDM309B Rev. #5.1.3 Theory of OperationAs mentioned in Section 5.1.1, the modulator is compose

SDM-309B Satellite Modem Theory of OperationMN/U-SDM309B Rev. # 5-5–7module. It contains circuitry which provides programmable control of the output l

Theory of Operation SDM-309B Satellite Modem5-5–8 MN/U-SDM309B Rev. #Clock Phase Error ± 5%Clock Loop Bandwidth Software ControlledClock Jitter 5% p t

SDM-309B Satellite Modem Theory of OperationMN/U-SDM309B Rev. # 5-5–9Figure 5-4 Viterbi Decoder (AS/0701)

Theory of Operation SDM-309B Satellite Modem5-5–10 MN/U-SDM309B Rev. #Figure 5-5 Viterbi Decoder (AS/0949)

SDM-309B Satellite Modem Theory of OperationMN/U-SDM309B Rev. # 5-5–11Figure 5-6 Viterbi Decoder (AS/2133)

Theory of Operation SDM-309B Satellite Modem5-5–12 MN/U-SDM309B Rev. #Figure 5-7 Viterbi Decoder Block Diagram

SDM-309B Satellite Modem Theory of OperationMN/U-SDM309B Rev. # 5-5–13Figure 5-8 Typical Decoder BER Performance

Theory of Operation SDM-309B Satellite Modem5-5–14 MN/U-SDM309B Rev. #5.2.3 Theory Of Operation5.2.3.1 Demod ProcessorThe Demod Processor, in conjun

SDM-309B Satellite Modem Theory of OperationMN/U-SDM309B Rev. # 5-5–157/8 rate. The "de-puncture" pattern is the same as the "puncture

MN/U-SDM309B Rev. # 1-1–1Chapter 1. INTRODUCTION1.1 ScopeThis manual describes the SDM-309B Satellite Modem, hereinafter referred to as themodem (Fig

Theory of Operation SDM-309B Satellite Modem5-5–16 MN/U-SDM309B Rev. #5.3.2 SpecificationsDemodulation Type QPSKFrequency Range 50 to 90 MHz or 100 t

SDM-309B Satellite Modem Theory of OperationMN/U-SDM309B Rev. # 5-5–17Figure 5-9 Demodulator Card

Theory of Operation SDM-309B Satellite Modem5-5–18 MN/U-SDM309B Rev. #Figure 5-10 Demodulator Block Diagram

SDM-309B Satellite Modem Theory of OperationMN/U-SDM309B Rev. # 5-5–195.3.3 Theory of OperationAs mentioned in Section 5.3.1, the Demodulator is comp

Theory of Operation SDM-309B Satellite Modem5-5–20 MN/U-SDM309B Rev. #5.4.2 ReacquisitionNormally the modem sweeps full range of plus/minus 30 KHz du

SDM-309B Satellite Modem Theory of OperationMN/U-SDM309B Rev. # 5-5–215.4.3 Fast AcquisitionWhen Fast Acquisition is enabled the fast acquisition alg

MN/U-KST12000 Rev. 0 6–1Chapter 6. MAINTENANCE6.1 System Checkout6.1.1 GeneralThe system checkout Section is to be used as an aid in setting up a mo

Maintenance SDM-309B Satellite Modem6-6–2 MN/U-SDM309B Rev. #an Eb/N0 of 7.5 dB. (S+N)/N is measured by taking the average level of the noise andthe a

SDM-309B Satellite Modem MaintenanceMN/U-SDM309B Rev. # 6-6–3Figure 6-1 Typical Output Spectrum

Maintenance SDM-309B Satellite Modem6-6–4 MN/U-SDM309B Rev. #Figure 6-2 Output Spectrum With Noise

Introduction SDM-309B Satellite Modem1-1–2 MN/U-SDM309B Rev. #the modem are located on the front panel. The chassis also contains the power supply,and

SDM-309B Satellite Modem MaintenanceMN/U-SDM309B Rev. # 6-6–5Table 6-1EFDATA CorporationConversion Of (S+N)/N TO S/N And Eb/N0 For Various Code Rates(

Maintenance SDM-309B Satellite Modem6-6–6 MN/U-SDM309B Rev. #Figure 6-3 Typical Eye Patterns

SDM-309B Satellite Modem MaintenanceMN/U-SDM309B Rev. # 6-6–7Figure 6-4 Typical Eye Constellations

Maintenance SDM-309B Satellite Modem6-6–8 MN/U-SDM309B Rev. #6.1.4 Test PointsThe following is a list of front panel test points and a description or

SDM-309B Satellite Modem MaintenanceMN/U-SDM309B Rev. # 6-6–96.1.4.2 Demodulator (Figure 6-6)TP10 VCXO Control VoltageApproximately 0 to +2.5V sweep

Maintenance SDM-309B Satellite Modem6-6–10 MN/U-SDM309B Rev. #6.1.4.3 Viterbi Decoder/demod Card AS/0701 (Figure 6-7)TP1 Data Clock. Result of the da

SDM-309B Satellite Modem MaintenanceMN/U-SDM309B Rev. # 6-6–116.1.4.4 Viterbi Decoder/Demod Card AS/0949 (Figure 6-8)TPG Ground Test Point.TP1 Decod

Maintenance SDM-309B Satellite Modem6-6–12 MN/U-SDM309B Rev. #6.1.4.5 Viterbi Decoder/Demod Card AS/2133 (Figure 6-9)TP2 GNDGround Test Point.TP3 VI

SDM-309B Satellite Modem MaintenanceMN/U-SDM309B Rev. # 6-6–136.2 Fault IsolationSystem faults are reported in the “FAULT” menu (Figure 3-3). Stored

Maintenance SDM-309B Satellite Modem6-6–14 MN/U-SDM309B Rev. #MODULE Modulator module fault. Indicates a problem in programming the modulatorcard. Che

SDM-309B Satellite Modem IntroductionMN/U-SDM309B Rev. # 1-1–3Figure 1-1 SDM-309B Modem

SDM-309B Satellite Modem MaintenanceMN/U-SDM309B Rev. # 6-6–156.2.3 Common Equipment FaultsRefer to Section 3.1.6.3, 3.2.5.3, and Figures 3-3 and 3-6

Maintenance SDM-309B Satellite Modem6-6–16 MN/U-SDM309B Rev. #6.3.1 Transmit Overhead Framing Unit FaultsFault Possible Problem And ActionDATA/AIS Da

SDM-309B Satellite Modem MaintenanceMN/U-SDM309B Rev. # 6-6–17FRM_BER Frame Bit Error Rate.The receive decoded error rate has exceeded 10E-3 over a 60

Maintenance SDM-309B Satellite Modem6-6–18 MN/U-SDM309B Rev. #144.5 145.0 145.5 146.0 146.5 147.0 147.5 148.0 148.5 149.0149.5 150.0 150.5 151.0 151.5

SDM-309B Satellite Modem MaintenanceMN/U-SDM309B Rev. # 6-6–19510.0 510.4 511.0 512.0 513.6 514.0 515.2 516.0 516.8 518.0518.4 520.0 521.6 522.0 523.2

Maintenance SDM-309B Satellite Modem6-6–20 MN/U-SDM309B Rev. #1896.0 1900.0 1904.0 1908.0 1912.0 1916.0 1920.0 1924.0 1928.0 1932.01936.0 1940.0 1944.

SDM-309B Satellite Modem MaintenanceMN/U-SDM309B Rev. # 6-6–21Figure 6-10 Rear View Without Cover

Maintenance SDM-309B Satellite Modem6-6–22 MN/U-SDM309B Rev. #6.4 Module ReplacementThe modem cards are plug-in cards that can be replaced by removin

SDM-309B Satellite Modem MaintenanceMN/U-SDM309B Rev. # 6-6–23Table 6-3EFData Part Numbers For Various ModulesModulators Base Part Number - AS/0773 O

MN/U-SDMs09B Rev. # A–1Appendix A. DATA RATES AND FILTERSThe SDM-309B modem will operate at data rates from 64 Kbps to 2.048 Mbps withvariable rate fi

Introduction SDM-309B Satellite Modem1-1–4 MN/U-SDM309B Rev. #Figure 1-2 Satellite Communications System With SDM-309B Modem

Data Rates and Filters SDM-309B Satellite ModemA–2 MN/U-SDM309B Rev. #8. With a phillips screwdriver, remove the four (4) screws holding down thedaugh

SDM-309B Satellite Modem Data Rates and FiltersMN/U-SDM309B Rev. # A–3Figure A-1 Modulator Filter Card Change

Data Rates and Filters SDM-309B Satellite ModemA–4 MN/U-SDM309B Rev. #Figure A-2 Demodulator Filter Card Change

SDM-309B Satellite Modem Data Rates and FiltersMN/U-SDM309B Rev. # A–5Figure A-3 Fixed Rate Modulator Filter

Data Rates and Filters SDM-309B Satellite ModemA–6 MN/U-SDM309B Rev. #Figure A-4 Fixed Rate Demodulator Filter

SDM-309B Satellite Modem Data Rates and FiltersMN/U-SDM309B Rev. # A–7Figure A-5 Variable Rate Modulator Filter

Data Rates and Filters SDM-309B Satellite ModemA–8 MN/U-SDM309B Rev. #Figure A-6 Variable Rate Demodulator Filter

SDM-309B Satellite Modem Data Rates and FiltersMN/U-SDM309B Rev. # A–9

MN/U-SDM309B Rev. # B-B–1Appendix B. SATELLITE MODEM REMOTECONTROL1.0 ScopeThis document defines the protocol and command structure for remote contro

Remote Control SDM-309B Satellite ModemB-B–2 MN/U-SDM309B Rev. #3.1 Start CharacterA single character precedes all messages transmit on the remote li

SDM-309B Satellite Modem IntroductionMN/U-SDM309B Rev. # 1-1–5Figure 1-3 Modular Construction

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–3Each message is ended with a single character which signals the end of message. Thisch

Remote Control SDM-309B Satellite ModemB-B–4 MN/U-SDM309B Rev. #the standard ‘sMRx_" commands. Modems that have the variable rate option installe

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–54.1.4 Set Modulator Power OffsetCommand: <add/MPO_snn.n”cr”Response: >add/MPO_s

Remote Control SDM-309B Satellite ModemB-B–6 MN/U-SDM309B Rev. #Status Only: <add/DF_”cr”Response: >add/DF_nn.nnnn”cr””lf”]4.2.2 Demodulator Ra

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–74.2.2.3 Select Demodulator Rate Variable *Variable Rate Option Only*Command: <add/

Remote Control SDM-309B Satellite ModemB-B–8 MN/U-SDM309B Rev. #4.2.7 Sweep ReacquisitionThis command is used to specify time duration of the reacqui

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–9Status Only: <add/SCF_”cr””lf”Response: >add/SCF_xnnnnn”cr””lf”] (x = + or - swe

Remote Control SDM-309B Satellite ModemB-B–10 MN/U-SDM309B Rev. #4.3.2 External Reference FrequencyCommand: <add/ERF_nnnnn”cr”Response: >add/ER

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–114.3.8 Descramble Enable (ON/OFF)Command: <add/DE_xxx”cr” (xxx = ON or OFF)Respons

Remote Control SDM-309B Satellite ModemB-B–12 MN/U-SDM309B Rev. #4.3.13 Transmit Data FaultCommand: <add/TDF_xxxx”cr”Response: >add/TDF_xxxx”cr

Introduction SDM-309B Satellite Modem1-1–6 MN/U-SDM309B Rev. #Figure 1-4 SDM-309B Block Diagram

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–13cc = 1 to 31 (terrestrial time slot number for E1 data formats).Status Only: <add/

Remote Control SDM-309B Satellite ModemB-B–14 MN/U-SDM309B Rev. #4.3.20 Bulk Insert Channels AssignmentCommand: <add/BICA_ii;cc_ii;cc_ii;cc_ii;cc.

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–154.4.3 Remote Configures the MODEM for remote operation.The SDM308-5 will respond to

Remote Control SDM-309B Satellite ModemB-B–16 MN/U-SDM309B Rev. #AMRA_nnn_mmmm.m”cr” filter “A” assignmentAMRB_nnn_mmmm.m”cr” filter “B” assignmentAMR

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–17SD_s”cr” *Sweep DirectionFAM_xxx”cr” Fast Acquisition ModeADRV_nnn.mmmm.m”cr””lf”] de

Remote Control SDM-309B Satellite ModemB-B–18 MN/U-SDM309B Rev. #ICFR_xxxx”cr” Coding Format Receive (AMI/HDB3/B8ZS)ISP_xxx”cr” Substitution Pattern (

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–19SYN_xxx”cr” Synthesizer lock (OK/FLT)ICH_xxx”cr” I-channel (OK/FLT)QCH_xxx”cr” Q-chan

Remote Control SDM-309B Satellite ModemB-B–20 MN/U-SDM309B Rev. #5.8 Bit Error Rate Status5.8.1 Raw BERCommand: <add/RBER_”cr”Response: >add/R

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–212. Data delimited by a comma (“,”) will be returned for all time intervals logged.3.

Remote Control SDM-309B Satellite ModemB-B–22 MN/U-SDM309B Rev. #5.12 Receive Signal Level StatusCommand: <add/RSL_”cr”Response: >add/RSL_-nn.n

Copyright © Comtech EF Data, 2006All rights reserved.Printed in the USA.Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA, (480) 333-220

SDM-309B Satellite Modem IntroductionMN/U-SDM309B Rev. # 1-1–7The modem consists of the following assemblies:Assembly Drawing No.Chassis with Power Su

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–23“#” Fault number (0 - 9), “0” is the first fault stored.hh Hours in twenty four hour

Remote Control SDM-309B Satellite ModemB-B–24 MN/U-SDM309B Rev. #5.16.1 Modulator Stored FaultsCommand: <add/MSF_#”cr”Response: >add/MSF_# hh:m

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–25INS_xxx”cr” Insert (OK/FLT)BWA_xxx”cr” Receive Backward Alarm (OK/FLT)BER_xxx”cr” Fra

Remote Control SDM-309B Satellite ModemB-B–26 MN/U-SDM309B Rev. #Parameter 17 (p17): RF loop-back ON/OFF.p17 = n, where “n” is “0” to indicate off or

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–275.18 Bulk Consolidated Status FaultsThis command causes all modem fault status to be

Remote Control SDM-309B Satellite ModemB-B–28 MN/U-SDM309B Rev. #Bit 3 through Bit 0 = Binary representation (0 - 10) of the number of commonequipment

SDM-309B Satellite Modem Remote ControlMN/U-SDM309B Rev. # B-B–295.19 Bulk Consolidated Anolog StatusThis command is similar to the “BCS_” command bu

Remote Control SDM-309B Satellite ModemB-B–30 MN/U-SDM309B Rev. #Where x.xx is the software version number.

MN/U-SDM309B Rev. # C-C–1Appendix C. EXTERNAL CHANNEL UNIT1.1 GeneralThe following Appendix is an aide in interconnecting the SDM-309B modem with the

External Channel Unit SDM-309B Satellite ModemC-C–2 MN/U-SDM309B Rev. #molex connector on the cable between the modem and the channel unit. The follow

Introduction SDM-309B Satellite Modem1-1–8 MN/U-SDM309B Rev. #Forward Error Correction Convolutional Encoding with Soft DecisionK7 Viterbi DecodingDat

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–3Figure C-1 Satellite Communications System With External Channel Unit

External Channel Unit SDM-309B Satellite ModemC-C–4 MN/U-SDM309B Rev. #Figure C-2 System Interconnect Diagram

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–5Figure C-3 Adapter Cable AS/0749 (V.35)

External Channel Unit SDM-309B Satellite ModemC-C–6 MN/U-SDM309B Rev. #Figure C-4 Adapter Cable AS/0750 (V.35)

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–7Figure C-5 Adapter Cable AS/0751 (RS449)

External Channel Unit SDM-309B Satellite ModemC-C–8 MN/U-SDM309B Rev. #Figure C-6 Adapter Cable AS/0752 (15 Pin “D”)

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–9Figure C-7 Adapter Cable AS/0741 (RS449)

External Channel Unit SDM-309B Satellite ModemC-C–10 MN/U-SDM309B Rev. #Figure C-8 Adapter Cable AS/0753 (15 Pin “D”)

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–112.0 Digital Interfaces2.1 RS422 & MIL-STD-188-114 Interface2.1.1 Functi

External Channel Unit SDM-309B Satellite ModemC-C–12 MN/U-SDM309B Rev. #The RS422 and MIL-STD-188-114 interface also provides bi-directional relay loo

SDM-309B Satellite Modem IntroductionMN/U-SDM309B Rev. # 1-1–9Configuration Retention Will Maintain CurrentConfiguration for 30 daysMinimum Without Po

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–13Figure C-9 RS422 & MIL-STD-188-114 Interface

External Channel Unit SDM-309B Satellite ModemC-C–14 MN/U-SDM309B Rev. #Figure C-10 RS422 & MIL-STD-188-114 Block Diagram

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–15Table C-1 AS/0627-3 Rev E Board Jumper SelectionJP1 TX Clock Select NormalInv

External Channel Unit SDM-309B Satellite ModemC-C–16 MN/U-SDM309B Rev. #2.1.2 Connector PinoutsThe RS422 and MIL-STD-188-114 interface is provided on

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–172.2 V.35 Interface2.2.1 Functional DescriptionThe V.35 digital interface (Fi

External Channel Unit SDM-309B Satellite ModemC-C–18 MN/U-SDM309B Rev. #front edge of the card. The JP10 REM setting is used when loop timing is suppo

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–19Figure C-11 V.35 Interface Card

External Channel Unit SDM-309B Satellite ModemC-C–20 MN/U-SDM309B Rev. #Figure C-12 V.35 Interface Block Diagram

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–212.2.2 Connector PinoutsThe V.35 interface is provided on the industry standar

External Channel Unit SDM-309B Satellite ModemC-C–22 MN/U-SDM309B Rev. #3.0 Front Panel Operation3.1 ConfigurationModem configuration may be viewed

Introduction SDM-309B Satellite Modem1-1–10 MN/U-SDM309B Rev. #Figure 1-5 Typical Bit Error Rate Performance

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–23TX_Power Programs the modulator output power level from -5 dBm to -15 dBm in0.

External Channel Unit SDM-309B Satellite ModemC-C–24 MN/U-SDM309B Rev. #TX_Clock Programs the modem for internal or external transmitter clock.On entr

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–253.2 MonitorThe “MONITOR” level is accessible from the ‘sELECT” menu. The foll

External Channel Unit SDM-309B Satellite ModemC-C–26 MN/U-SDM309B Rev. #3.4 Stored FaultsThe Modem stores the first ten (Flt0 - Flt9) occurrences of

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–27Assign TX_Fltrs: Modulator Symbol RateAssignmentThe modulator has four symbol

External Channel Unit SDM-309B Satellite ModemC-C–28 MN/U-SDM309B Rev. #Figure C-13 Menu Tree

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–29Figure C-14 Menu Tree

External Channel Unit SDM-309B Satellite ModemC-C–30 MN/U-SDM309B Rev. #Figure C-15 Menu Tree

SDM-309B Satellite Modem External Channel UnitMN/U-SDM309B Rev. # C-C–31

MN/U-SDM309B Rev. # D-D–1Appendix D. SOFTWARE CHANGESPECIFICATIONSSteps 1 through 5 are instructions for changing software on the Monitor and Controlc

SDM-309B Satellite Modem IntroductionMN/U-SDM309B Rev. # 1-1–11Figure 1-6 SDM-309B Modem Typical Output Spectrum

Software Change Instructions SDM-309B Satellite ModemD-D–2 MN/U-SDM309B Rev. #11. Go to the “Utility” menu on the front panel and program the time, da

Introduction SDM-309B Satellite Modem1-1–12 MN/U-SDM309B Rev. #

MN/U-SDM309B Rev. # 2-2–1Chapter 2. INSTALLATION2.1 UnpackingThe modem and manuals are packaged in pre-formed reusable foam inside a cardboardcarton.

Installation SDM-309B Satellite Modem2-2–2 MN/U-SDM309B Rev. #FAULT J7 9 PIN "D" 2.2.3 FORM C FAULTRELAY CONTACTSIF OUTPUT CP1 BNC 2.2.4 TX

SDM-309B Satellite Modem InstallationMN/U-SDM309B Rev. # 2-2–3Figure 2-1 Rear Panel View

Installation SDM-309B Satellite Modem2-2–4 MN/U-SDM309B Rev. #2.2.1 Data I/OFor information and pinouts on the data connectors, please refer to the a

Warranty PolicyThis Adaptive Broadband product is warranted against defects in material andworkmanship for a period of one year from the date of shipm

SDM-309B Satellite Modem InstallationMN/U-SDM309B Rev. # 2-2–53. NC COMMON EQUIPMENT IS FAULTED4. NO MODULATOR IS OK5. COM6. NC MODULATOR IS FAULTED7.

Installation SDM-309B Satellite Modem2-2–6 MN/U-SDM309B Rev. #(Operation Mode). Enter the menu and select TX only. This will mask the receive faultsan

MN/U-SDM309B Rev. # 3–1Chapter 3. OPERATION3.1 SDM 309/M1200P Front Panel3.1.1 GeneralThe following is a Step by Step explanation and procedure for

Operation SDM-309B Satellite Modem3–2 MN/U-SDM309B Rev. #Test Mode (Yellow LED) Flashes when the modem is in a test configuration.3.1.3 Front Panel C

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–3Figure 3-1 Front Panel View

Operation SDM-309B Satellite Modem3–4 MN/U-SDM309B Rev. #3.1.4 ConfigurationModem configuration may be viewed or changed by entering the “CONFIG” lev

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–5TX_Power Programs the modulator output power level from -5 dB to -30 dBm in .5 dBSteps.On ent

Operation SDM-309B Satellite Modem3–6 MN/U-SDM309B Rev. #RXA Receiver rate selection. Select one of four predefined receiverdecoder/data rate combinat

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–7SWP-RACQ Programs the sweep reacquisition mode time duration. The timeselected with this para

Operation SDM-309B Satellite Modem3–8 MN/U-SDM309B Rev. #3.1.4.3 Interface ConfigurationTX_clock Programs the clock source for the modem transmitter

Rev. 0 iPrefaceAbout this ManualEffective April 29, 1999, California Microwave EFData has changed its name toAdaptive Broadband Corporation to reflect

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–9CODING Programs the modem for “AMI”, “B8ZS”, “B6ZS”, or “HDB3” coding of thebaseband data.On

Operation SDM-309B Satellite Modem3–10 MN/U-SDM309B Rev. #3.1.5 MonitorWhen the “MONITOR” level is entered use the right and left arrow keys to selec

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–113.1.6.1 Mod_Flts - Modulator FaultsRF_Syn Modulator RF synthesizer fault.Data_Clk Transmit

Operation SDM-309B Satellite Modem3–12 MN/U-SDM309B Rev. #Data/AIS Data or Alarm Indication Signal. When Data_FLT is selected in the InterfaceConfigur

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–13After entering the “UTILITY” functions level use the right and left arrow keys to selectthe

Operation SDM-309B Satellite Modem3–14 MN/U-SDM309B Rev. #OP MODE Operation Mode. Programs the modem operation for TXonly, RX only, or Duplex operatio

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–15Assign RX_Fltrs Receive filter display/assignment utility. Used to viewcurrent filter rate a

Operation SDM-309B Satellite Modem3–16 MN/U-SDM309B Rev. #Figure 3-2 Menu Tree

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–17Figure 3-3 Menu Tree

Operation SDM-309B Satellite Modem3–18 MN/U-SDM309B Rev. #Figure 3-4 Menu Tree

Preface SDM-309B Satellite Modemii Rev. 0TrademarksProduct names mentioned in this manual may be trademarks or registered trademarks oftheir respectiv

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–19Figure 3-5 Menu Tree

Operation SDM-309B Satellite Modem3–20 MN/U-SDM309B Rev. #Figure 3-6 Menu Tree

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–21Figure 3-7 Menu Tree

Operation SDM-309B Satellite Modem3–22 MN/U-SDM309B Rev. #Figure 3-8 IF Loopback

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–23Figure 3-9 RF Loopback

Operation SDM-309B Satellite Modem3–24 MN/U-SDM309B Rev. #Figure 3-10 Interface Loopback

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–25Figure 3-11 Baseband Loopback

Operation SDM-309B Satellite Modem3–26 MN/U-SDM309B Rev. #3.2 Drop And Insert Front Panel Operation3.2.1 GeneralThe following is a Step by Step expl

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–273.2.2.1 MOD ConfigurationTXA Transmitter rate selection. Select one of four predefinedtransm

Operation SDM-309B Satellite Modem3–28 MN/U-SDM309B Rev. #CW_Mode *Programs the modem for continuous wave mode. Three modes ofoperation are available:

SDM-309B Satellite Modem PrefaceRev. 0 iiiCustomer SupportContact the Adaptive Broadband Customer Support Department for:! Product support! Informatio

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–29IFLoopBk *Programs the modem for IF loopback operation. When the IF loopbackis turned on the

Operation SDM-309B Satellite Modem3–30 MN/U-SDM309B Rev. #**SWP_DIR Programs the direction of the sweep travel in the directed sweep mode.On entry the

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–31BBLoopBk *Programs the modem for baseband loopbackoperation.When baseband loopback is turned

Operation SDM-309B Satellite Modem3–32 MN/U-SDM309B Rev. #TXD_FLT Transmit Data Fault. This configurationfunction is used to select a Transmit Interfa

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–33DRP_DATA This configuration is used to select thedesired drop data channel signaling. Thecho

Operation SDM-309B Satellite Modem3–34 MN/U-SDM309B Rev. #INSERT CHANNELS Programs the Satellite bearer channels intothe desired Terrestrial frame slo

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–35* Range: <1.0E-8 to >1E-3Swp_Freq - Sweep Monitor***Range: -25,000 Hz to +25,000 HzEb/

Operation SDM-309B Satellite Modem3–36 MN/U-SDM309B Rev. #3.2.4.2 Dmd_Flts - Demodulator/Decoder FaultsC_Detect Carrier detect fault. Indicates that

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–37The Modem stores the first ten (Flt0 - Flt9) occurrences of fault status changes in each oft

Operation SDM-309B Satellite Modem3–38 MN/U-SDM309B Rev. #Time Time of day set/display function.The current time that the modem is set for is displaye

Preface SDM-309B Satellite Modemiv Rev. 0This page is intentionally blank.

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–39Filter Adjust This is a factory setting and the operator is not allowed toenter this paramet

Operation SDM-309B Satellite Modem3–40 MN/U-SDM309B Rev. #Figure 3-12 Menu Tree

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–41Figure 3-13 Menu Tree

Operation SDM-309B Satellite Modem3–42 MN/U-SDM309B Rev. #Figure 3-14 Menu Tree

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–43Figure 3-15 Menu Tree

Operation SDM-309B Satellite Modem3–44 MN/U-SDM309B Rev. #Figure 3-16 Menu Tree

SDM-309B Satellite Modem OperationMN/U-SDM309B Rev. # 3–45Figure 3-17 Menu Tree

Operation SDM-309B Satellite Modem3–46 MN/U-SDM309B Rev. #

MN/U-SDM309B Rev. # 4-4–1Chapter 4. M&C AND INTERFACES4.1 Monitor And Control4.1.1 GeneralThe Modem uses a sophisticated microcontroller module

M&C and Interfaces SDM-309B Satellite Modem4-4–2 MN/U-SDM309B Rev. #RS-232C Configuration: To configure the M&C for RS-232C operation.Install

Rev. 0 vTable of ContentsCHAPTER 1. INTRODUCTION...1–11.1 Scope ...

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–3Figure 4-1 Monitor & Control Card

M&C and Interfaces SDM-309B Satellite Modem4-4–4 MN/U-SDM309B Rev. #4.1.2.2 Remote Baud RateThe remote communications baud rate and parity is pro

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–52. If the battery backed RAM failed the valid data test the modulator, demodul

M&C and Interfaces SDM-309B Satellite Modem4-4–6 MN/U-SDM309B Rev. #INTF_LBk Interface Loop Back [OFF]Coding [AMI]TX_2047 [OFF]TXD_Flt [NONE]RXD_F

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–74.2.1 IBS/M1200P Interface4.2.1.1 Functional DescriptionThe IBS Interface mo

M&C and Interfaces SDM-309B Satellite Modem4-4–8 MN/U-SDM309B Rev. #reference clock generated in the modem. The interface will automatically selec

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–9Figure 4-2 IBS Interface Module

M&C and Interfaces SDM-309B Satellite Modem4-4–10 MN/U-SDM309B Rev. #Figure 4-3 IBS Interface Block Diagram

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–11Figure 4-4 IBS Fault Tree

M&C and Interfaces SDM-309B Satellite Modem4-4–12 MN/U-SDM309B Rev. #Figure 4-5 Jumper Table

Table of Contents SDM-309B Satellite Modemvi Rev. 03.1.4.1 MOD Configuration ...

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–13The transmit data will be replaced with an all ones pattern (Alarm Indication

M&C and Interfaces SDM-309B Satellite Modem4-4–14 MN/U-SDM309B Rev. #activity on either the TX Terrestrial clock or the external clock (if selecte

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–15TERRESTRIAL TX DATA TERESTXDAT 5ENGINEERING SERVICE CHANNEL RXESCDAT 7RS-422/

M&C and Interfaces SDM-309B Satellite Modem4-4–16 MN/U-SDM309B Rev. #RS-232 SpecificationCircuit Supported RD, TD, DSR, RTS, CTSAmplitude (RD, RTS

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–174.2.1.9 IBS Interface Breakout PanelThe IBS Breakout Panel supports the use

M&C and Interfaces SDM-309B Satellite Modem4-4–18 MN/U-SDM309B Rev. #Figure 4-6 IBS Break-Out Panel

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–194.2.1.9.1 IBS Terrestrial Interface (J1)The IBS terrestrial interface is pro

M&C and Interfaces SDM-309B Satellite Modem4-4–20 MN/U-SDM309B Rev. #GROUND GND 1, 19, 20, 37TX OCTET TXO-ATXO-B321SEND DATA SD-ASD-B422SEND TIMIN

SDM-309B Satellite Modem M&C and InterfacesMN/U-SDM309B Rev. # 4-4–21The engineering service channel is provided on a 25 pin “D” female connector

M&C and Interfaces SDM-309B Satellite Modem4-4–22 MN/U-SDM309B Rev. #4.2.1.9.8 Receive Data (J8)This connector is the interface for the unbalance