Lumistar LS-28-DRSM User manual

LS-28-DRSM Multi-Mode Modular Receiver
User’s Manual
Lumistar Inc.
2270 Camino Vida Ro le
Suite L
Carls ad, California 92011
[phone]
www.lumistar.net

LS-28-DRSM User’s Manual 10/17/2017
USM-28M-001-01-03 Lumistar Inc. 2
This document is the intellectual ro erty of Lumistar, Inc. The document contains ro rietary and
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entire liability of Lumistar, Inc. shall be limited to the amount aid for this document and its contents.
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® Lumistar, Inc. and its logo are trademarks of Lumistar, Inc. Brand names and roduct names contained
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This document is an inde endent ( ublication) and is not affiliated with, nor has it been authorized,
s onsored, or otherwise a roved by Microsoft Cor oration.
© 2017 Lumistar, Inc. All rights reserved.
Lumistar Inc.
2270 Camino Vida Roble, Suite L
Carlsbad, CA 92011
[phone]
[phone] Fax
www.lumistar.net

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Ta le of Contents
1 INTRODUCTION ..................................................................................................................................... 12
1.1 GENERAL............................................................................................................................................... 12
1.2 DOCUMENT OUTLINE .............................................................................................................................. 12
1.3 LIST OF REFERENCED DOCUMENTS ............................................................................................................ 13
1.4 DEVICE BRIEF ......................................................................................................................................... 13
2 HARDWARE INTERFACE ........................................................................................................................ 19
2.1 MECHANICAL OUTLINE ............................................................................................................................ 19
2.2 DESKTOP FIXTURE ................................................................................................................................... 21
2.3 INTERFACE SIGNALS: MICRO-D SUB PIN-OUTS ............................................................................................ 23
2.4 INTERFACE SIGNALS: ELECTRICAL DEFINITIONS CHARACTERISTICS ................................................................... 24
2.5 CABLING INTERFACES .............................................................................................................................. 26
2.6 THERMAL INTERFACE .............................................................................................................................. 33
3 COMMUNICATIONS INTERFACE ............................................................................................................ 34
3.1 SERIAL USB INTERFACE .......................................................................................................................... 34
3.2 ETHERNET NETWORK INTERFACE ............................................................................................................... 35
3.2.1 INITIAL SETUP OF THE NETWORK INTERFACE FOR THE LS-28-DRSM ............................................................ 35
3.2.1.1 Modification of a Windows Host controller to Static IP mode .................................................... 36
3.2.1.2 Modification of a Windows Host controller to DHCP Mode........................................................ 39
3.2.2 MODIFICATION OF THE NETWORK CONFIGURATION FROM THE FACTORY DEFAULTS ......................................... 40
3.2.3 MODIFICATION OF WINDOWS FIREWALL SETTINGS ................................................................................... 43
4 SOFTWARE APPLICATION – NETWORK INTERFACE .............................................................................. 49
4.1 GENERAL APPLICATION OPERATIONS ......................................................................................................... 49
4.1.1 COMMUNICATIONS SETUP LAUNCH WINDOW .......................................................................................... 49
4.1.2 APPLICATION LAYOUT .......................................................................................................................... 50
4.2 FUNCTION SELECT TAB – HOME ................................................................................................................ 64
4.2.1 HOME TAB – LEFT PANE ....................................................................................................................... 64
4.2.2 HOME TAB – RIGHT PANE .................................................................................................................... 69
4.3 FUNCTION SELECT TAB - SIGNAL ............................................................................................................... 70
4.3.1 SIGNAL SUB-FUNCTION SELECT TAB - PSK TAB ......................................................................................... 70
4.3.1.1 Signal PSK Tab – Left Pane ........................................................................................................... 70
4.3.1.2 Signal PSK Tab – Right Pane ......................................................................................................... 73

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Ta le of Contents (continued)
4.3.2 SIGNAL SUB-FUNCTION SELECT TAB – FM ............................................................................................... 74
4.3.2.1 MS-PCMFM Mode ........................................................................................................................ 74
4.3.2.1.1 Signal MS-PCMFM Tab – Left Pane ........................................................................................... 74
4.3.2.1.2 Signal MS-PCMFM Tab – Right Pane ......................................................................................... 77
4.3.2.2 SS-PCMFM FM Video Mode ........................................................................................................ 78
4.3.2.2.1 Signal SS-PCMFM FM Video Tab – Left Pane ........................................................................... 78
4.3.2.2.2 Signal MS-PCMFM Tab – Right Pane ......................................................................................... 79
4.3.3 SIGNAL SUB-FUNCTION SELECT TAB – MH-CPM...................................................................................... 80
4.3.3.1 Signal MH-CPM Tab – Left Pane .................................................................................................. 80
4.3.3.2 Signal MH-CPM Tab – Right Pane ................................................................................................ 82
4.3.4 SIGNAL SUB-FUNCTION SELECT TAB - BIT SYNC ........................................................................................ 83
4.3.4.1 Signal Bit Sync Tab – Left Pane .................................................................................................... 83
4.3.4.2 Signal Bit Sync Tab – Right Pane .................................................................................................. 84
4.3.5 SIGNAL SUB-FUNCTION SELECT TAB - AM AGC ....................................................................................... 85
4.3.5.1 Signal AM AGC Tab – Left Pane ................................................................................................... 85
4.3.5.2 Signal AM AGC Tab – Right Pane ................................................................................................. 86
4.3.6 SIGNAL SUB-FUNCTION SELECT TAB – COMB (COMBINER) ......................................................................... 87
4.3.6.1 Signal COMB Tab – Left Pane ....................................................................................................... 87
4.3.6.2 Signal COMB Tab – Right Pane ..................................................................................................... 88
4.3.7 SIGNAL SUB-FUNCTION SELECT TAB – AEQ ............................................................................................. 89
4.4 FUNCTION SELECT TAB – DIGITAL .............................................................................................................. 90
4.4.1 DIGITAL SUB-FUNCTION SELECT TAB - PCM ENCODER .............................................................................. 90
4.4.1.1 Digital PCM Encoder Sub Tab – Left Pane .................................................................................... 90
4.4.2 DIGITAL SUB-FUNCTION SELECT TAB – ROUTING ...................................................................................... 94
4.4.2.1 Digital Routing Tab – Left Pane .................................................................................................... 94
4.4.3 DIGITAL SUB-FUNCTION SELECT TAB – FEC ............................................................................................. 95
4.5 FUNCTION SELECT TAB – DATA ................................................................................................................. 96
4.5.1 DATA SUB-FUNCTION SELECT TAB - FRAME SYNC ..................................................................................... 98
4.5.1.1 Data Frame Synchronizer Tab – Left Pane ................................................................................... 98
4.5.1.2 Data Frame Synchronizer Tab – Right Pane ............................................................................... 101
4.5.2 DATA SUB-FUNCTION SELECT TAB – DECOM .......................................................................................... 102
4.5.2.1 Data Decommutator Tab – Left Pane ........................................................................................ 103
4.5.2.2 Data Decommutator Tab – Right Pane ...................................................................................... 107
4.5.3 DATA SUB-FUNCTION SELECT TAB – DECOMWDATTR ............................................................................. 108
4.5.3.1 Data DecomWdAttr Tab – Left Pane .......................................................................................... 108
4.5.3.2 Data DecomWdAttr Tab – Right Pane ....................................................................................... 110
4.5.4 DATA SUB-FUNCTION SELECT TAB – RECORD ......................................................................................... 111
4.5.4.1 Data Record Tab – Left Pane ...................................................................................................... 111
4.5.4.2 Data Record Tab – Right Pane ................................................................................................... 112

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Ta le of Contents (continued)
4.5.5 DATA SUB-FUNCTION SELECT TAB – STREAM ......................................................................................... 114
4.5.5.1 Data Streaming Tab – Left Pane................................................................................................. 120
4.5.5.2 Data Streaming Tab – Right Pane .............................................................................................. 121
4.5.6 DATA SUB-FUNCTION SELECT TAB – TIME ............................................................................................. 122
4.5.6.1 Data Time Tab – Left Pane ......................................................................................................... 122
4.5.6.2 Test BERT Tab – Right Pane ....................................................................................................... 123
4.6 FUNCTION SELECT TAB – TEST ................................................................................................................ 127
4.6.1 TEST SUB-FUNCTION SELECT TAB – BERT.............................................................................................. 127
4.6.1.1 Test BERT Tab – Left Pane .......................................................................................................... 127
4.6.1.2 Test BERT Tab – Right Pane ....................................................................................................... 128
4.6.2 TEST SUB-FUNCTION SELECT TAB – MODULATOR ................................................................................... 130
4.6.2.1 Test Modulator Tab – Left Pane ................................................................................................ 130
4.6.2.2 Test Modulators Tab – Right Pane ............................................................................................. 131
4.6.3 TEST SUB-FUNCTION SELECT TAB - PCM ENC........................................................................................ 133
4.6.3.1 Test PCM ENC Tab – Left Pane ................................................................................................... 133
4.6.3.2 Test PCM ENC Tab – Right Pane................................................................................................. 134
4.7 FUNCTION SELECT TAB – DISPLAY ........................................................................................................... 135
4.8 FUNCTION SELECT TAB – INFO ................................................................................................................ 137
4.8.1 INFO SUB-FUNCTION SELECT TAB - ENV................................................................................................ 137
4.8.2 INFO SUB-FUNCTION SELECT TAB - LICENSE ........................................................................................... 139
5 LS28M SOFTWARE APPLICATION............................................................................................... 140
5.1 LS28M GENERAL APPLICATION LAYOUT .................................................................................................. 140
5.1.1 COMM PORT FUNCTION SELECT TAB .................................................................................................... 143
5.1.2 SETUP CH1 CH2 FUNCTION SELECT TAB .............................................................................................. 146
5.1.3 SETUP COMBINER FUNCTION SELECT TAB .............................................................................................. 150
5.1.4 RCV BERT FUNCTION SELECT TAB ........................................................................................................ 154
5.1.4.1 Rcv BERT Function Select Tab – Rcv Bert Channel Setup .......................................................... 154
5.1.4.2 Rcv BERT Function Select Tab – Rcv Bert Channel Status .......................................................... 155
5.1.5 SYSTEM FUNCTION SELECT TAB ........................................................................................................... 156
5.1.5.1 Updating system firmware using the LS28M Application .......................................................... 157
5.1.5.1.1 Updating Digital Signal Processor Firmware ........................................................................... 157
5.1.5.1.2 Updating Digital Signal Processing FPGA Firmware ................................................................ 159

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List of Figures
Figure 1-1 Document Flag Formats .......................................................................................................................................... 13
Figure 1-2 General Block Diagram of the LS-28-DRSM .................................................................................................... 14
Figure 1-3 The LS-28-DRSM as art of a network data distribution design ............................................................ 15
Figure 1-4 Block Diagram: Slice 1 - RF to IF Downconversion...................................................................................... 16
Figure 1-5 Block Diagram: Slice 2 - 2nd IF and Analog Processing .............................................................................. 16
Figure 1-6 Block Diagram: Slice 3 - Digital Signal Processing ...................................................................................... 17
Figure 1-7 Block Diagram: Slice 4 – Processing, Storage and DC Power Conversion ......................................... 17
Figure 2-1 Re resentative To View of the LS-28-DRSM brick assembly ................................................................. 19
Figure 2-2 Various Front-Views of the LS-28-DRSM brick assembly .......................................................................... 20
Figure 2-3 LS-28-DRSM Deskto Fixture ................................................................................................................................ 22
Figure 2-4 LS-28-DRSM Deskto Fixture - Mounting Plate Dimensions ................................................................... 23
Figure 2-5 LS-28-DRSM J4 and J5 Connector Pin-out Details ....................................................................................... 23
Figure 2-6 LS-28-DRSM J8, J9, J11 and J12 Connector Pin-out Details ..................................................................... 24
Figure 2-7 P4 User Interface Cable ........................................................................................................................................... 27
Figure 2-8 P5 User Interface Cable ........................................................................................................................................... 28
Figure 2-9 P8 User Interface Cable ........................................................................................................................................... 29
Figure 2-10 P9 User Interface Cable ......................................................................................................................................... 30
Figure 2-11 P11 User Interface Cable ...................................................................................................................................... 31
Figure 2-12 P12 User Interface Cable ...................................................................................................................................... 32
Figure 3-1 Interface Ca abilities Matrix .................................................................................................................................. 34
Figure 3-2 Windows Network and Sharing Page ................................................................................................................ 37
Figure 3-3 Windows Network Connections Page ............................................................................................................... 37
Figure 3-4 Windows Network Connections ro erties age ......................................................................................... 38
Figure 3-5 Windows Network Connections IPv4 ro erties age –Static IP ........................................................... 38
Figure 3-6 Windows Network Connections IPv4 ro erties age - DHCP ............................................................... 39
Figure 3-7 LS-28-DRSM Network Setu : Web Browser Information Setu Tab ..................................................... 41
Figure 3-8 LS-28-DRSM Network Setu : Web Browser Network Setu Tab ........................................................... 42
Figure 3-9 Windows Firewall – Advanced Setting Tab ...................................................................................................... 43
Figure 3-10 Windows Firewall – Advanced Security Inbound Rules ............................................................................ 44
Figure 3-11 Windows Firewall – Advanced Security New Rule ...................................................................................... 45
Figure 3-12 Windows Firewall – Advanced Security New Rule: Ty e .......................................................................... 45
Figure 3-13 Windows Firewall – Advanced Security New Rule: Program .................................................................. 46
Figure 3-14 Windows Firewall – Advanced Security New Rule: Allow Connections.............................................. 47
Figure 3-15 Windows Firewall – Advanced Security New Rule: Domains ................................................................. 47
Figure 3-16 Windows Firewall – Advanced Security New Rule: Name ....................................................................... 48
Figure 4-1 Network User A lication – Su orted O erating Systems .................................................................... 49
Figure 4-2 General A lication O erations – Communications Setu Menu ......................................................... 49
Figure 4-3 Network User A lication – General Screen Layout .................................................................................... 51
Figure 4-4 Menu Bar – File Dro -Down List .......................................................................................................................... 52
Figure 4-5 HW Setu – RF Reference Setu Dialog Window ......................................................................................... 54

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List of Figures (continued)
Figure 4-6 HW Setu – Video Out uts Setu Dialog Window ...................................................................................... 55
Figure 4-7 O tions – Log Receiver Parameters Dialog Window ................................................................................... 56
Figure 4-8 O tions – Startu O tions Dialog Window ..................................................................................................... 57
Figure 4-9 O tions – User Interface Dialog Window ......................................................................................................... 59
Figure 4-10 Tools – G/T Solar Flux Calculations Utility ..................................................................................................... 59
Figure 4-11 Tools – Ling Budget Calculator Utility ............................................................................................................. 61
Figure 4-12 Tools – Measurements Calculator II Utility .................................................................................................... 61
Figure 4-13 Tools – Unit Conversions Calculator Utility ................................................................................................... 62
Figure 4-14 Network User A lication – Status Window Definitions ......................................................................... 63
Figure 4-15 Network User A lication – Home Function Select Tab .......................................................................... 64
Figure 4-16 Network User A lication – IF Pre-Select Filter Bandwidth Select Formulas .................................. 68
Figure 4-17 Network User A lication – FM Video Pre-Select Filter Bandwidth Select Formulas .................. 68
Figure 4-18 Network User A lication – Signal Sub-function Select: PSK ................................................................. 70
Figure 4-19 Network User A lication – Signal Sub-function Select: MS-PCMFM ................................................ 74
Figure 4-20 Network User A lication – Signal Sub-function Select: SS-FM/Video-FM .................................... 78
Figure 4-21 Network User A lication – Signal Sub-function Select: MH-CPM .................................................... 80
Figure 4-22 Network User A lication – Signal Sub-function Select: Bit Sync ........................................................ 83
Figure 4-23 Network User A lication – Signal Sub-function Select: AM/AGC ..................................................... 85
Figure 4-24 Network User A lication – Signal Sub-function Select: Combiner ................................................... 87
Figure 4-25 Network User A lication – Digital Sub-function Select: PCM Out ut Encoder ........................... 90
Figure 4-26 PCM Out ut Data and Clock Phase Configurations .................................................................................. 92
Figure 4-27 Network User A lication – Digital Sub-function Select: Digital Routing ........................................ 94
Figure 4-28 Data Frame Sync/Decom/Recording/Data Streaming Engine Blk Diagram ..................................... 96
Figure 4-29 Network User A lication – Data Sub-function Select: Data Frame Synchronizer ....................... 98
Figure 4-30 Network User A lication – Data Sub-function Select: Decom .......................................................... 103
Figure 4-31 Subframe FAC Mode ............................................................................................................................................ 104
Figure 4-32 Frame Sync Pattern Position Diagram........................................................................................................... 104
Figure 4-33 Frame Sync SFID Diagram .................................................................................................................................. 105
Figure 4-34 FCC Mode Illustration .......................................................................................................................................... 105
Figure 4-35 URC Mode Illustration ......................................................................................................................................... 106
Figure 4-36 Network User A lication – Data Sub-function Select: DecomWdAttr ........................................... 108
Figure 4-37 Network User A lication – Data Sub-function Select: Record .......................................................... 111
Figure 4-38 Data Streaming: Packet Format with BCD Time ........................................................................................ 114
Figure 4-38 Data Streaming: Packet Format with SOY Time ........................................................................................ 115
Figure 4-38 Data Streaming: Case 1 - Single Minor Frame er Datagram ............................................................. 116
Figure 4-38 Data Streaming: Case 1 - Single Minor Frame er Datagram with Grou ing ............................... 116
Figure 4-38 Data Streaming: Case 1 - Single Minor Frame er Datagram with Major Frame Grou ing .... 117
Figure 4-38 Data Streaming: Case 2 - Multi Minor Frame er Datagram ............................................................... 117
Figure 4-38 Data Streaming: Case 2 - Multi Minor Frame er Datagram with Grou ing ................................. 118
Figure 4-38 Data Streaming: Case 3 - Multi le Datagrams er Minor Frame ....................................................... 119

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List of Figures (continued)
Figure 4-38 Data Streaming: Case 3 - Multi le Datagrams er Minor Frame with Grou ing ........................ 119
Figure 4-38 Network User A lication – Data Sub-function Select: Stream .......................................................... 120
Figure 4-39 Network User A lication – Data Sub-function Select: Time .............................................................. 122
Figure 4-40 IRIG Time Identification Codes ......................................................................................................................... 124
Figure 4-41 Network User A lication – Test Sub-function Select: BERT ............................................................... 127
Figure 4-42 Network User A lication – Test Sub-function Select: Modulator .................................................... 130
Figure 4-43 Network User A lication – Test Sub-function Select: PCM Encoder .............................................. 133
Figure 4-44 Network User A lication – Dis lay Select Tab ........................................................................................ 135
Figure 4-45 Network User A lication – Info Sub-function Select: ENV ................................................................. 137
Figure 4-46 Network User A lication – Info Sub-function Select: License ............................................................ 139
Figure 5-1 LS28M User A lication – General GUI Layout ............................................................................................ 141
Figure 5-2 LS28M User A lication – Status Window Details...................................................................................... 141
Figure 5-3 LS28M User A lication – Function Select: Comm Port ........................................................................... 143
Figure 5-4 LS28M User A lication – USB Prolific COM driver installation............................................................ 144
Figure 5-5 LS28M User A lication – Function Select: Setu CH1 (CH2) ............................................................... 146
Figure 5-6 LS28M User A lication – Function Select: Setu Combiner ................................................................. 150
Figure 5-7 LS28M User A lication – Function Select: Rcv BERT ............................................................................... 154
Figure 5-8 LS28M User A lication – Function Select: System ................................................................................... 156

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List of Ta les
Table 1-1 General Device S ecifications Table .................................................................................................................... 18
Table 2-1 Primary IO Signal Electrical Definitions ............................................................................................................... 25
Table 2-2 User IO Signal Electrical Definitions ..................................................................................................................... 26
Table 3-1 Ethernet Port Assignments Table .......................................................................................................................... 35
Table 4-1 In ut PCM Decoder Selection Table .................................................................................................................... 65
Table 4-2 In ut Filter Selection Bandwidth Tables ............................................................................................................. 66
Table 4-3 PSK O erational Mode Range and LBW Table ................................................................................................ 73
Table 4-4 MS-PCMFM O erational Mode Range and LBW Table ............................................................................... 77
Table 4-5 Out ut PCM Encoder Selection Table ................................................................................................................. 91
Table 4-6 O timal Frame Synchronizer Patterns ................................................................................................................. 99
Table 4-7 Licensable FEC Encoding O tions ....................................................................................................................... 134

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Acronyms
AEQ – Ada tive Equalization
AGC - Automatic Gain Control
AM - Am litude Modulation
AUQPSK - Asymetric Unbalanced Quadrature Shift Keying
BCD – Binary Coded Decimal
BER - Bit Error Rate
BERT - Bit Error Rate Test
BNC - Bayonet Neill–Concelman (connector)
BPSK - Binary Phase Shift Keying
BSC – Best Source Combining
BW – Bandwdith
dB – Decibel
dBm – Decibel milliwatts
CF – Control Functions
CLK – Clock
DAT - Data
DHCP – Dynamic Host Configuration Protocol
DRSM – Dual Receiver System Modular
DSP - Digital Signal Processor or Digtial Signal Processing
E /No - Energy er bit/Noise Energy
EGC – Equal Gain Combining
FAC- Frame Alternate Com liment
FCC - Frame Code Com liment
FEC- Forward Error Correction
FFID – Frame Format Indentification
FM - Frequency Modulation
FPGA – Field Programmable Gate Array
GB - Gigabyte
GHz - Giga Hertz
GUI – Gra hical User Interface
Hz - Hertz
ICD - Interface Control Document
IF - Intermediate Frequency
INV - Invert
IP - Internet Protocol
IRIG - Inter-Range Instrumentation Grou
KB – Kilobyte
kHz - KiloHertz
LBW - Loo Bandwidth
LDPC - Low Density Parity Coding

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Acronyms (continued)
LDPS – Lumistar Data Processing System
LED - Light Emitting Diode
LSB - Least Significant Bit
M ps - Mega Bits Per Second
MH-CPM - Multi-H Constant Phase Modulation
MHz - Mega Hertz
MRC – Maximum Ratio Combining
MSB - Most Significant Bit
MS-PCMFM - Mutli-Symbol Pulse Code Modulation Frequency Modulation
NTSC - National Televison System Committee
OQPSK - Offset Quadrature Phase Shift Keying
OS - O erating System
PAL - Phase Alternating Line
PCM - Pulse Code Modulation
PLL - Phase Lock Loo
PM - Phase Modulation
PSK – Phase Shift Keying
PTP - Prescision Time Protocol
QPSK - Quadrature Phase Shift Keying
RF - Radio Frequency
RX – Receive
SBS – Straight Binay Seconds
SE - Single-Ended
SFID – Sub Frame Identification
SMA - Subminature Version A
SMB - Subminature Version B
SOQPSK-MIL - Sha ed Offset Quadrature Shift Keying - Military
SOQPSK-TG - Sha ed Offset Quadrature Shift Keying - Task Grou
SOY – Seconds of Year
SRRC - Square-Root Rasied Cosine
SS-PCMFM - Single Symbol Pulse Code Modulated Frequency Modulation
STC - S ace Time Code
TCP - Transmisson Control Protocol
TOY – Time of Year
TX - Transmit
URC - Unique Recycling Code
USB - Universial Serial Bus
1PPS – One Pulse Per Second

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1Introduction
1.1 General
The following document contains information on the Lumistar LS-28-DRSM multi-mode modular receiver
roduct designed and manufactured by Lumistar Inc. The intent is to familiarize the user with the device’s
mechanical, electrical, and interconnection as ects as well as introduce and train the user in the
o erations of the su lied software control a lications rovided as art of the device delivery.
This document is not intended to define and illustrate the detailed communications rotocol of the LS-28-
DRSM necessary for inde endent software develo ment. This information can be found in the device
Interface Control Document (ICD). The document number is ICD-28M-01-001-xx where the –xx is the
documentation revision number.
Consult the web site for the most recent release of all related roduct documentation.
1.2 Document Outline
This document contains the following sections:
Section 1 rovides a document overview as well as a brief on the LS-28-DRSM design
Section 2 rovides information on the hardware interfaces of the device
Section 3 rovides information related to the device communications interfaces
Section 4 rovides documentation of the LS28M Network Interface User A lication
Section 5 rovides documentation of the LS28M Serial User A lication
The document will occasionally utilize document flags to highlight im ortant factors. These flags can
a ear in any location and relate to any to ic. A document flag will always be laced in close roximity to
ertinent information. Document flag exam les a ear in Figure 1-1.

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Figure 1-1 Document Flag Formats
1.3 List of Referenced Documents
A number of documents are references within this document. A list of these documents follows:
Lumistar LS-28M Interface Control Document: (ICD-28M-01-001-02)
Telemetry Standards: (IRIG-106-2015)
 IRIG Serial Time Code Formats: (IRIG-200-2016)
Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control
Systems: (IEEE-1588-2008)
User Datagram Protocol (RFC 768)
1.4 Device Brief
The LS-28-DRSM is a so histicated data receiver that includes all the traditional functions of a full rack
mount telemetry rocessing station in the a roximate foot rint of a 3 ½ inch PC hard drive. Standard
ca abilities include two inde endent digital multi-band RF receiver channels, each su orting multi le
digital demodulation formats, bit synchronization, forward error correction, data recording,
decommutation, gra hical dis lays, baseband data acquisition, and Ethernet data distribution. The
flexibility of the design architecture allows ada tability too many other a lications, such as S ectrum
Monitoring, Command Verification Receivers, and traditional Data Acquisition a lications with minor
modifications to the device’s firmware ersonality. A general LS-28-DRSM block diagram is shown in
Figure 1-2.

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Figure 1-2 General Block Diagram of the LS-28-DRSM
Some of the rimary design objectives of the LS-28-DRSM roduct line were to reduce the latform size,
to rovide an “OS-less” environment by eliminating roduct use of commercial software o erating
systems for functional rocessing, to rovide easy and flexible field u grade/enhancements ca abilities,
and to rovide a network a liance for device control and data trans ort. The unit is controlled and
monitored using a 1000/100/10Mb s Ethernet interface with alternate controls being rovided by USB
and RS-232. Using rovided documentation of several sources, the customer can develo their own
interface GUI, our chose to utilize the rovided Lumistar network a lication.
At the heart of the modular design is a flexible and extensible multi-core DSP Engine that can take on u
to twelve “ ersonalities”. The device construction is via u to four hardware “slices”: RF, IF, Signal
Processing and a Control Processing Engine. The slices can be configured as a whole set or as a subset to
erform targeted functionality. O erational firmware loads, or “ ersonalities”, are retained internal to the
device for quick switching between o erational requirements. New firmware ersonalities and/or control
rocessing revisions are easily u dated in the field. No need to return the unit for most modifications.
When configured as a traditional Range Telemetry Receiver/Combiner, the LS-28-DRSM is ca able of
handling u to six frequency bands er channel anywhere from 70 MHz to 7 GHz. All standard RF receiver
functions, such as antenna tracking using AM demodulation and AGC feedback, downconversion, diversity
combining, multi-mode demodulation, bit synchronization, IQ video out ut, Eb/No monitoring, S ectral
and Constellation dis lays with other data quality indicators are rovided. Various non-standard o tions
include the addition of u to 64 GB er channel data recording at the bit level and UDP data broadcasting
of the received telemetry. The receiver can be configured to su ort Multi-symbol PCM/FM, SOQPSK,

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GMSK, Analog FM Video with or without NTSC de-em hasis, BPSK, QPSK, OQPSK, AUQPSK, PCM/PM, and
Multi-H CPM. Data rate su ort is u to 60 Mb s. The unit has a very flexible and useful internal Data/IF
Modulator and Bit Error Reader/Frame Synchronizer Lock indicator for use in system Loo -Back Tests. The
unit constantly erforms maintenance monitoring of various environmental arameters and alert the user
to out of boundary conditions. The software logs the user settings and im ortant receiver erformance
arameters as a function of time.
If the User wants to convert from receiver mode to a dual channel bit synchronizer ersonality, that
change can be commanded via software. The unit will be converted to a dual-channel bit sync while the
GUI is transformed for that o erational mode. The bit sync function can o erate to 30 Mb s and rovides
numerous o tions for PCM code conversion.
The LS-28-DRSM rovides the ca ability to decommutate the data from any in ut source (RF, IF,
baseband). The framed data is then broadcast via UDP ackets. These ackets can be brought in via a
network “Auxiliary In ut” to the Lumistar Data Processing Software (LDPS) suite of tools for real time
dis lay, archive, layback and simulation of flight test data. A diagram illustrating the use of an LS-28-
DRSM in a network configuration is shown in Figure 1-3.
Figure 1-3 The LS-28-DRSM as art of a network data distribution design
The LS-28-DRSM is ca able of handling many modern coding and digital link enhancement schemes,
such as Viterbi, Reed-Solomon, LDPC, S ace Time Coding, and Ada tive Equalization. Each of these has its
own s ecial niche, a lications and merits (as well as demerits) in modern Telemetry Flight Test and S ace
Telemetry A lications.
Device “slice” detail block diagrams are shown in Figures 1-4 through 1-7. Device s ecifications are listed
in Table 1-1.

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Figure 1-4 Block Diagram: Slice 1 - RF to IF Downconversion
Figure 1-5 Block Diagram: Slice 2 - 2nd IF and Analog Processing

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Figure 1-6 Block Diagram: Slice 3 - Digital Signal Processing
Figure 1-7 Block Diagram: Slice 4 – Processing, Storage and DC Power Conversion

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Ta le 1-1 General Device S ecifications Table
Category:
Specifications:
Details:
Mechanical
Envelo e Dimensions (all slices) 6.00”(L) x 4.00”(W) x 1.672” (H) Slice 1-4
Form Factor Modular Brick
Weight ~ 32oz.
Electrical
Individual ower requirements 9-42VDC
Nom. +24VDC @ 2.875A
Total Power (both Channels) ~ 45 Watts (mode and data rate de endent)
Performance
RF Tuner
RF In ut Bands Ty . Config. u to 5 Bands + 70MHz
Band range: 70MHz – 6.2GHz
Alt. Config. allows u to 6 RF Bands (future)
Tuner Resolution 50kHz (Ty ical); 2Hz minimum
Frequency Accuracy 0.002% (Max.) 0.001% (Ty ical)
RF In ut AGC Range +10dBm to –110dBm
In ut Level without Damage +28dBm ( in “Protect mode”)
Receiver In ut P1dB +10dBm (ty ical)
Receiver Noise Figure <= 5dB (ty ical @ threshold)
70MHz Phase Noise @ 1kHz <= -84.2dBc (ty ical)
70MHz Phase Noise @ 10kHz <= -97.8dBc (ty ical)
70MHz Phase Noise @ 100kHz <= -105.5dBc (ty ical)
70MHz Phase Noise @ 1MHz <= -124.5dBc (ty ical)
Receiver OIP3 > +15dBm (ty ical)
70MHz Out ut Level Ty . 0 dBm (+/- 1dBm); Adjustable
SAW IF 3dB Bandwidths Available (used for
Adjacent Channel Rejection)
250kHz, 500kHz, 1MHz, 2MHz, 5MHz, 10MHz, 20MHz, 40MHz
Demodulation
Ty es Analog AM, Video FM, SS-PCMFM, MS-PCMFM, BPSK, QPSK,
OQPSK, AUQPSK, AQPSK, UQPSK, Direct PM, MH-CPM, Sub-
Carrier PM w/BPSK/QPSK
Video FM De-em hasis By ass, NTSC, PAL
AM -3dB Frequency Res onse 50kHz (AM Low- ass By ass Mode)
AM Low- ass Filters 32 Software Selectable
AM -3dB Bandwidths 50, 100, 200, 300, 400, 500, 600, 700, 800, 900, 1K, 1.1K, 1.2K,
1.3K, 1.4K, 1.5K, 1.6K, 1.7K, 1.8K, 1.9K, 2K, 3K, 4K, 5K, 6K, 7K, 8K,
9K, 10K, 15K, 20K, 50K Hz
Frame Sync/Decom
Number Available
Frame Sync Pattern Length
SFID/URC/FCC Su ort
3; Can Stream u to 2 Real-time feeds; Class I and II
U to 64 bits
Yes
Recoding
Number of Channels
Recording De th/Channel
Source
3
U to 64GB
Data; Sam les
Time
IRIG Time
IEEE-1588 PTP
A, B, G; Reader/Generator; 1PPS In ut and Out ut
Yes
Connectors
External Reference In/Out (1) SMB Jack
RF Signal In ut (2) SMA Jack Rece tacle
IF Signal Out ut (3) SMB Jack Rece tacle
Analog I/O Connector (2) MicroDSub-15 Plug
Digital I/O Connector (3) MicroDSub-25 Plug
Power/Digital I/O Connector (1) MicroDSub-25 Rece tacle
Environmental
Tem erature, O erational -40° to 85° Celsius (Commercial)
Tem erature, Storage -40° to 125° Celsius
Humidity, non-condensing <40° C 0-90%, >40° C 0-75%

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2Hardware Interface
This document section will examine hardware design as ects including hysical mounting of the device,
electrical interface standards involved with the user connections, ower and cooling of the device , and
cabling o tions.
2.1 Mechanical Outline
The LS-28-DRSM is described as a “brick” configuration having the same traditional foot rint as a
standard 3.5” PC hard disk drive. Figure 2-1 below rovides a diagram of the to view of the device.
Figure 2-2 illustrates the various front-view configurations available. Of the front-views shown, the most
common is the -001 “4-Slice” version.
Figure 2-1 Re resentative To View of the LS-28-DRSM brick assembly

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Figure 2-2 Various Front-Views of the LS-28-DRSM brick assembly