Comtech EF Data Vipersat 564L Guide de l'utilisateur

Vipersat CDD-56X SeriesSatellite Network Demodulator RouterUser GuideCDD-562LCDD-564/564LPart Number MN/22137 Revision 0

iv Vipersat CDD-56X Series User Guide{ This Page is Intentionally Blank }

GeneralB-2 Vipersat CDD-56X Series User Guidemeet their QoS and cost requirements within their bandwidth allocation. The result is a stable satellite

Appendix B - Automatic Switching B-3Load SwitchingLoad SwitchingThe next sections describe the principles behind Load Switching and Rate Adjustment (S

Load SwitchingB-4 Vipersat CDD-56X Series User GuideIf there is adequate upstream bandwidth available, the values of these two metrics will be the sam

Appendix B - Automatic Switching B-5Load Switchingsize and the remaining bandwidth is distributed amongst Remotes that have been assigned a GIR rate.

Load SwitchingB-6 Vipersat CDD-56X Series User Guide• Load Switching - This is a type of Automatic Switching that is based on the amount of traffic at

Appendix B - Automatic Switching B-7Load Switchingcurrent load, as indicated by the bytes queued during the delay period, multiply-ing it by the perce

Load SwitchingB-8 Vipersat CDD-56X Series User Guide• SCPC Step Down Threshold - Similar to STDMA Slot Capacity at Hub, except Step Down is used to tr

Appendix B - Automatic Switching B-9Load SwitchingFigure B-3 Load Switching diagramA load switch is illustrated in figure B-3 using the following pr

Load SwitchingB-10 Vipersat CDD-56X Series User Guidechannel space (bandwidth) requirements to accommodate the data flow requested by the STDMA Contro

Appendix B - Automatic Switching B-11Application SwitchingApplication SwitchingApplication switching, illustrated in figure B-4, also is capable of ch

List of Figures vChapter 2 FiguresFigure 2-1 Main Menu screen. . . . . . . . . . . . . . 2-4Figure 2-2 Administration screen . . . . . . . . . . . 2-4

Application SwitchingB-12 Vipersat CDD-56X Series User Guide• Voice over IP (VoIP)Each application type will have been assigned a bandwidth allocation

Appendix B - Automatic Switching B-13Type of Service (ToS) SwitchingType of Service (ToS) SwitchingType of Service (ToS) Switching is typically used o

Entry Channel Mode (ECM) SwitchingB-14 Vipersat CDD-56X Series User GuideEntry Channel Mode (ECM) SwitchingSTDMA Entry Channel Mode provides a method

Appendix B - Automatic Switching B-15Entry Channel Mode (ECM) SwitchingBurst Map causing it to rejoin the network through ECM. The VMS will park the d

Entry Channel Mode (ECM) SwitchingB-16 Vipersat CDD-56X Series User GuideFigure B-6 ECM Switch Recovery: > 3 minutesUnit Reboot0Burst DemodSwitch

Appendix C - Dynamic Power Control C-1APPENDIXDYNAMIC POWER CONTROLIntroductionDynamic Power Control (DPC) provides a mechanism whereby VIPERSAT satel

IntroductionC-2 Vipersat CDD-56X Series User Guidecontrol algorithm is a closed loop servo-mechanism with the received Eb/No values as the input funct

Appendix C - Dynamic Power Control C-3DescriptionDescriptionOperation of the DPC algorithm is controlled by the parameters shown in table C-1, below.T

DescriptionC-4 Vipersat CDD-56X Series User Guidetion is established and data starts to flow, the modulator begins receiving DPC packets from the demo

Appendix C - Dynamic Power Control C-5Description2 dB). This prevents loss of the link due to power value changes based on fade conditions.This featur

vi Vipersat CDD-56X Series User GuideFigure 3-63 Vipersat Migration prompt. . . . . . 3-49Figure 3-64 UDP Port Base Address prompt . 3-50Appendix A Fi

DescriptionC-6 Vipersat CDD-56X Series User GuideDPC Scaling FunctionFigure C-1 DPC Scaling FunctionFigure C-1 illustrates the scaling function, bas

Appendix C - Dynamic Power Control C-7Descriptionmenu). If these home state parameters have not been entered, DPC will not be able to function and wil

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Appendix D - Network Migration D-1APPENDIXNETWORK MIGRATIONUpgrading CDM-570/CDD-56X Series Modems to Firmware Version 1.5.3GeneralThis document cover

GeneralD-2 Vipersat CDD-56X Series User Guideprovided to facilitate picking up new or offline units. This migration tool includes temporary control p

Appendix D - Network Migration D-3Firmware UpgradeFirmware UpgradeUpgrade OverviewThis procedure describes the v1.5.3 firmware upgrade process using b

Firmware UpgradeD-4 Vipersat CDD-56X Series User Guide3) Save to Flash on all units and reset them to Latest/Oldest.4) "Get Information" (VL

Appendix D - Network Migration D-5Firmware UpgradeFigure D-2 Main Menu, Telnet 2. Ensure that the Upgrade To setting is Oldest; if not, enter U to m

Firmware UpgradeD-6 Vipersat CDD-56X Series User GuideNote that Add All will find all units on the network, which for a large network will result in a

Appendix D - Network Migration D-7Firmware Upgrade 2. Select, Edit, or Add the desired Multicast address(es) in the Add All dialog, then click OK. The

List of Tables viiChapter 2 TablesTable 2-1 CDD-56X Network Roles and Functions2-3Table 2-2 Vipersat Feature Configuration . . . . 2-6Appendix B Tabl

Firmware UpgradeD-8 Vipersat CDD-56X Series User GuideNetwork or installed networks with large TDM or DVB Outbound Carriers. Take care not to over-ru

Appendix D - Network Migration D-9Firmware UpgradeFigure D-8 Progress Status, Put ApplicationSave and Reboot to Latest 1. Using either VMS or CLI, S

Firmware UpgradeD-10 Vipersat CDD-56X Series User GuideFigure D-9 Hard Reset screen 2. Observe the main window again to monitor the progress status

Appendix D - Network Migration D-11Firmware UpgradeGet Information for Router v1.5.3Figure D-11 Unit Information screen (Router)The new unit informa

Firmware UpgradeD-12 Vipersat CDD-56X Series User Guide 2. Save the configuration file. Open it using WordPad. Insure that the lines shown in figure D

Appendix D - Network Migration D-13Firmware Upgrade 2. Put the v1.4.5 modem firmware using the appropriate selected mode (Con-secutive, Concurrent, or

Firmware UpgradeD-14 Vipersat CDD-56X Series User GuideIf the file can not be found, it can be downloaded from the Comtech EF Data web site:http://www

Appendix D - Network Migration D-15Firmware Upgrade 2. Repeat the Download procedure for the Base Modem v1.5.1 firmware file, but do not perform a Har

Firmware UpgradeD-16 Vipersat CDD-56X Series User GuideCompleting MigrationPicking Up Straggler/Offline RemotesIdeally, all Remote units will be onlin

Appendix D - Network Migration D-17Firmware UpgradeFigure D-22 Vipersat Configuration screenThe Vipersat Migration Parameter "M" is availa

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Firmware UpgradeD-18 Vipersat CDD-56X Series User GuideThe straggler Remotes will now frame on the TDM outbound signal. The asso-ciated Burst Control

Appendix E - Glossary E-1APPENDIXGLOSSARYAALC Automatic Limit Control – A closed loop mechanism controlling the gain stabilization of the HPA’s RF out

E-2 Vipersat CDD-56X Series User GuideBPS Bits Per Second – A measure of transmission speed. See also kb/s & Mb/s.BPSK Binary Phase Shift Keying –

Appendix E - Glossary E-3EEb/NoEb/No Ratio Eb = energy per bit No = noise power density per Hz. The bit error rate (BER) for digital data is a decreas

E-4 Vipersat CDD-56X Series User GuideGUI Graphical User Interface – A form of graphical shell or user interface to a computer operating system.HHDLC

Appendix E - Glossary E-5Ku-Band A frequency band used for satellite communications. For terrestrial earth stations the receive frequency band is in t

E-6 Vipersat CDD-56X Series User GuideNNAT Network Address Translation – An Internet standard that enables a local-area network (LAN) to use one set o

Appendix E - Glossary E-7QQPSK Quaternary Phase Shift Keying – A modulation technique in which the carrier is phase shifted +/-90 or +/-180 degrees. S

E-8 Vipersat CDD-56X Series User GuideSTDMA Selective Time Division Multiple Access – A multiple access technique where users time-share access to a c

Appendix E - Glossary E-9VOS Vipersat Object ServiceWWizard A specialized program which performs a specific function, such as installing an applicatio

Chapter 1 - General 1-1CHAPTERGENERALHow to Use This ManualThis manual documents the enhanced Vipersat features and functions of the CDD-56X Series (C

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How to Use This Manual1-2 Vipersat CDD-56X Series User GuideChapter 3 — Using the Command Line Interface (CLI)Describes the use of the CLI for configu

Chapter 1 - General 1-3Product DescriptionThe following documents are referenced in this manual, and provide supple-mentary information for the reader

Product Description1-4 Vipersat CDD-56X Series User Guide• Data Rate Range from 16 kbps up to 9.98 Mbps, depending on modulation and FEC used (with FA

Chapter 1 - General 1-5Product DescriptionIn a typical Vipersat application used in conjunction with CDM-570/570L modems, the CDD-56X demodulators are

Product Description1-6 Vipersat CDD-56X Series User GuideTurbo Product CodingThe Comtech Vipersat CDD-56X incorporates a Turbo Product Codec (TPC) err

Chapter 1 - General 1-7Product Descriptionmulti-command message configuration (i.e., bit rate, modulation, FEC) look-up per BER table and used to modi

Customer Support1-8 Vipersat CDD-56X Series User GuideSOTM (Satellite On The Move)Features supporting SOTM required for maritime and other mobile appl

Chapter 1 - General 1-9Customer SupportReader Comments / CorrectionsIf the reader would like to submit any comments or corrections regarding this manu

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Chapter 2 - Quick Start Configuration 2-1CHAPTERQUICK START CONFIGURATIONIntroductionThis chapter describes the minimum configuration of a Vipersat CD

Initial Configuration2-2 Vipersat CDD-56X Series User GuideInitial ConfigurationNote: Many of the settings required for equipment configuration are b

Chapter 2 - Quick Start Configuration 2-3Initial ConfigurationSetting Vipersat CDD-56X Operating ParametersThe following is an example of using the CL

Initial Configuration2-4 Vipersat CDD-56X Series User GuideFigure 2-1 Main Menu screen 2. From the Administration screen shown in figure 2-2, selec

Chapter 2 - Quick Start Configuration 2-5Initial ConfigurationFigure 2-3 Feature Configuration screenTo enter the feature code, enter Y at the comma

Vipersat CDD-56X SeriesCDD-562L, CDD-564/564LVersion 1.5.xUser GuideMarch 10, 2008Part number MN/22137Document Revision 0Firmware Version 1.5.x

Initial Configuration2-6 Vipersat CDD-56X Series User GuideFigure 2-5 Working Mode dialog 5. When the reboot is completed, return to the Feature Co

Chapter 2 - Quick Start Configuration 2-7Initial ConfigurationFigure 2-6 Ethernet Interface screen 2. Enter I at the command prompt, and enter the

Initial Configuration2-8 Vipersat CDD-56X Series User Guideusable addresses at the Hub as well as at the Remotes. For details on IP address-ing, refer

Chapter 2 - Quick Start Configuration 2-9Initial ConfigurationFigure 2-7 Configuring the Route Table screenIn a Hub configuration, the default gatew

Initial Configuration2-10 Vipersat CDD-56X Series User Guide 2. Enter R to access the Rx Configuration screen shown in figure 2-8. Set the Rx paramet

Chapter 2 - Quick Start Configuration 2-11Initial ConfigurationFigure 2-9 Vipersat Configuration screen (Hub) 2. Enter R at the command prompt to t

Initial Configuration2-12 Vipersat CDD-56X Series User Guide 7. Enter I at the command prompt to set the Managing IP Address.The Managing IP Address

Chapter 3 - Using the Command Line Interface (CLI) 3-1CHAPTERUSING THE COMMAND LINE INTERFACE (CLI)GeneralThis chapter describes the use of the CLI fo

General3-2 Vipersat CDD-56X Series User GuideCommon Screen CommandsThe following commands appear on each of the menu screens:Demod SelectSome feature

Chapter 3 - Using the Command Line Interface (CLI) 3-3Menu DescriptionsMenu DescriptionsThis section details the CLI menus and associated screens, and

COMTECH EF DATAVIPERSAT Network Products Group3215 Skyway CourtFremont, CA 94539USAPhone: (510) 252-1462Fax: (510) 252-1695www.comtechefdata.comPart N

Menu Descriptions3-4 Vipersat CDD-56X Series User GuideFigure 3-2 Administration screenEnsure that the Working Mode is set to Router-Vipersat.If it

Chapter 3 - Using the Command Line Interface (CLI) 3-5Menu DescriptionsFeature ConfigurationFigure 3-4 Feature Configuration screenThe Feature Confi

Menu Descriptions3-6 Vipersat CDD-56X Series User GuideFigure 3-5 FAST Feature Code dialogTip: Contact either the network administrator or Comtech

Chapter 3 - Using the Command Line Interface (CLI) 3-7Menu DescriptionsTo activate the Vipersat Auto Switching capabilities of the target CDD-56X, tog

Vipersat Configuration3-8 Vipersat CDD-56X Series User GuideVipersat ConfigurationEntering V at the prompt from the CDD-56X Main Menu shown in figure

Chapter 3 - Using the Command Line Interface (CLI) 3-9Vipersat ConfigurationFigure 3-7 STDMA screen (Hub, STDMA, Fixed type)Figure 3-8 STDMA scree

Vipersat Configuration3-10 Vipersat CDD-56X Series User GuideSTDMA Tx RateThis menu item shows the STDMA Transmit Rate (in bps) of data that the CDD-5

Chapter 3 - Using the Command Line Interface (CLI) 3-11Vipersat Configuration1 – FixedIn the Fixed mode, all remotes have the same data slot size rega

Vipersat Configuration3-12 Vipersat CDD-56X Series User GuideThe GIR setting for each Remote is specified using the STDMA Remote Poli-cies screen (ref

Chapter 3 - Using the Command Line Interface (CLI) 3-13Vipersat ConfigurationAllocation of bandwidth is shared among the remotes in an STDMA group. De

Document Revision HistoryRevision Date Description0 3/10/08 Initial ReleaseNote: This new document part number, MN/22137, supercedes the previous CDD-

Vipersat Configuration3-14 Vipersat CDD-56X Series User Guidetion times at these data rates, even with higher noise, resulting in improved effi-ciency

Chapter 3 - Using the Command Line Interface (CLI) 3-15Vipersat ConfigurationFigure 3-12 Outbound IP promptCycles Per Burst MapThis menu item, which

Vipersat Configuration3-16 Vipersat CDD-56X Series User GuideThis value can be modified by entering a G at the command prompt to display the dialog sh

Chapter 3 - Using the Command Line Interface (CLI) 3-17Vipersat ConfigurationTip: Refer to the Viper Calculator for determining Slot Preamble Length

Vipersat Configuration3-18 Vipersat CDD-56X Series User GuideFigure 3-17 Nominal Data Length promptMaximum Data LengthThis menu item, which appears

Chapter 3 - Using the Command Line Interface (CLI) 3-19Vipersat ConfigurationEntering an M at the command prompt brings up the dialog shown in figure

Vipersat Configuration3-20 Vipersat CDD-56X Series User GuideFigure 3-20 STDMA Remotes Menu screenAdding a Remote to the STDMA GroupEntering the ite

Chapter 3 - Using the Command Line Interface (CLI) 3-21Vipersat Configuration•R = Removed – This Remote is currently removed from the burstmap.When di

Vipersat Configuration3-22 Vipersat CDD-56X Series User Guideat the STDMA Remotes Menu command prompt displays the Remote Policies screens shown in fi

Chapter 3 - Using the Command Line Interface (CLI) 3-23Vipersat ConfigurationFigure 3-25 Entry Channel Switch Rates screenEntering the Remote number

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Vipersat Configuration3-24 Vipersat CDD-56X Series User GuideFigure 3-27 Global SCPC Data Rate promptSimilarly, the Global Switch Type command can b

Chapter 3 - Using the Command Line Interface (CLI) 3-25Vipersat ConfigurationFigure 3-30 Enable/Disable Remote promptEnter the number of the Remote

Vipersat Configuration3-26 Vipersat CDD-56X Series User GuideFigure 3-32 Remove Timeout promptThe value entered at the command prompt defines the am

Chapter 3 - Using the Command Line Interface (CLI) 3-27Vipersat ConfigurationThis allows, again using a mobile Remote as an example, shutting down the

Vipersat Configuration3-28 Vipersat CDD-56X Series User GuideStats Accumulation WindowEntering W at the command prompt displays the Stats Accumulation

Chapter 3 - Using the Command Line Interface (CLI) 3-29Vipersat ConfigurationIn figure 3-37, Remote 1 with IP address 10.1.128.1 had activity during t

Vipersat Configuration3-30 Vipersat CDD-56X Series User GuideAutomatic Switching for the CDD-56X is an option that is available only when configured a

Chapter 3 - Using the Command Line Interface (CLI) 3-31Vipersat ConfigurationCurrent WAN Transmit ModeThe Current WAN Transmit Mode item on the menu i

Vipersat Configuration3-32 Vipersat CDD-56X Series User GuideTypically the default settings will be optimum, but there may be unique network configura

Chapter 3 - Using the Command Line Interface (CLI) 3-33Vipersat ConfigurationTypically the default value will be optimum, but if there may be a larger

Table of Contents iChapter 1GeneralHow to Use This Manual . . . . . . . . . . . 1-1Manual Organization . . . . . . . . . .

Vipersat Configuration3-34 Vipersat CDD-56X Series User Guidea means to coordinate timing and utilize buffering to eliminate these data outages.To acc

Chapter 3 - Using the Command Line Interface (CLI) 3-35Vipersat ConfigurationFigure 3-44 Set LockTime promptTo disable Hitless Switching, enter -1 f

Vipersat Configuration3-36 Vipersat CDD-56X Series User GuideExpansion UnitThe Expansion Unit menu item in the Vipersat Configuration screen (figure 3

Chapter 3 - Using the Command Line Interface (CLI) 3-37Vipersat ConfigurationFigure 3-47 Network ID promptThe Network ID is used by the VMS to ident

Vipersat Configuration3-38 Vipersat CDD-56X Series User GuideCDD-56X responds to the VMS server with a unicast containing its current configuration da

Chapter 3 - Using the Command Line Interface (CLI) 3-39Vipersat Configurationmulticast message. However, the modems WILL NOT send their regis-tration

Vipersat Configuration3-40 Vipersat CDD-56X Series User Guidecally revert to its Home State settings and the VMS will remove all allocated resources (

Chapter 3 - Using the Command Line Interface (CLI) 3-41Vipersat ConfigurationFigure 3-51 DPC Configuration screen (Hub, STDMA)Figure 3-52 DPC Conf

Vipersat Configuration3-42 Vipersat CDD-56X Series User GuideSpeed Up EbNoNormally, the DPC message is sent every 60 seconds from each terminal in the

Chapter 3 - Using the Command Line Interface (CLI) 3-43Vipersat ConfigurationFigure 3-54 Target DPC Address promptThe STDMA Burst Controller (Demod

ii Vipersat CDD-56X Series User Guide5 – Entry Channel . . . . . . . . . . 3-12Group ID . . . . . . . . . . . . . . . . 3-1

Vipersat Configuration3-44 Vipersat CDD-56X Series User GuideFigure 3-55 Home State Configuration screenA CDD-56X’s Home State settings are typicall

Chapter 3 - Using the Command Line Interface (CLI) 3-45Vipersat ConfigurationForce Modem to Home StateIf at any time it is desired to have a CDD-56X r

Vipersat Configuration3-46 Vipersat CDD-56X Series User GuideNote that this screen dialog example displays the frequency range for a CDD-562L/564L L-B

Chapter 3 - Using the Command Line Interface (CLI) 3-47Vipersat ConfigurationFigure 3-60 Receive Coding Rate promptNote that Coding Rate 6 (1/1) is

Vipersat Configuration3-48 Vipersat CDD-56X Series User GuideFigure 3-62 Vipersat Summary screenThe Node ID number that appears in this screen verif

Chapter 3 - Using the Command Line Interface (CLI) 3-49Vipersat ConfigurationVipersat MigrationThe Vipersat Migration command is used to set the compa

Vipersat Configuration3-50 Vipersat CDD-56X Series User GuideFigure 3-64 UDP Port Base Address promptCaution: This command affects all communicatio

Appendix A - Network Addressing A-1APPENDIXNETWORK ADDRESSINGIntroductionThis Appendix is an overview of network addressing and how it applies to conf

The OSI Reference ModelA-2 Vipersat CDD-56X Series User GuideThe OSI Reference ModelOSI is an acronym for Open Systems Interconnection. This is a netw

Appendix A - Network Addressing A-3The OSI Reference ModelTogether, these two sub-layer protocols are responsible for moving packets on and off the ne

Table of Contents iiiLoad Switching . . . . . . . . . . . . . . . . B-3Bandwidth Allocation and Load Switching by the STDMA Controll

Binary MathA-4 Vipersat CDD-56X Series User GuideBinary MathNetwork devices communicate using BITS, where a bit is a single digit repre-sented by a 1

Appendix A - Network Addressing A-5Binary Mathchanged the numbering base (radix.) All digital processes are done in binary. The conversion to decimal

IP AddressingA-6 Vipersat CDD-56X Series User GuideIP AddressingAn IP (Internet Protocol) address is a unique set of numbers assigned to a device on a

Appendix A - Network Addressing A-7IP Addressing• 16-bit network number • 16-bit node numberFigure A-4 IP Address Classes A, B, CClass C• 192.0.1.x

IP AddressingA-8 Vipersat CDD-56X Series User GuideClass E• 240.0.0.0 to 255.255.255.255• Reserved for experimental use and limited broadcastPrivate N

Appendix A - Network Addressing A-9IP AddressingIn the process of subnetting, bits are borrowed from the host ID portion of an IP address and are then

IP AddressingA-10 Vipersat CDD-56X Series User GuideFigure A-7 ANDing an IP address and a subnet maskA calculator, available from SolarWinds, perfor

Appendix A - Network Addressing A-11IP AddressingEach of the four subnets can, in turn, support 64 members.The example subnet used above yielded 4 sub

IP AddressingA-12 Vipersat CDD-56X Series User Guide• The first six characters are issued to the organization.• The second six characters are assigned

Appendix B - Automatic Switching B-1APPENDIXAUTOMATIC SWITCHINGGeneralAutomatic switching is a feature of the VMS that allows dynamically changing the