Comtech EF Data Vipersat 564L Guia do Utilizador

Comtech EF Data is an AS9100 Rev B / ISO9001:2000 Registered Company VipersatCDD-56X SeriesSatellite Network Demodulator RouterUser GuideCDD-562LCDD

iv Vipersat CDD-56X Series User GuideMN/22137, rev 1{ This Page is Intentionally Blank }

IP A ddr ess ing MN/22137, rev 1A-12 Vipersat CDD-56X Series User Guide• The first six characters are issued to the organization.• The second six ch

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

Ge ner al MN/22137, rev 1B-2 Vipersat CDD-56X Series User Guideback to these intelligent modem/routers, effectively managing the Vipersat network oper

Appendix B - Automatic Switching B-3MN/22137, rev 1 Gene ral• LockTimes – LockTime settings for the four data rates displayed can be adjusted either u

Lo ad Sw itc hin g MN/22137, rev 1B-4 Vipersat CDD-56X Series User GuideLoad SwitchingOverviewThere are three primary functional components involved

Appendix B - Automatic Switching B-5MN/22137, rev 1 Load SwitchingThe basic concept for all load switching is that a running average of current utiliz

Lo ad Sw itc hin g MN/22137, rev 1B-6 Vipersat CDD-56X Series User GuideTable B-1 STDMA ACK MessageIf there is adequate return path bandwidth avail

Appendix B - Automatic Switching B-7MN/22137, rev 1 Load Switching• Dynamic Slot Mode – The slot size for each Remote is computed based on the time (a

Lo ad Sw itc hin g MN/22137, rev 1B-8 Vipersat CDD-56X Series User GuideLoad Switching—STDMA HubBefore discussing how load switching is determined, i

Appendix B - Automatic Switching B-9MN/22137, rev 1 Load Switching• Load Switching – This is a type of Automatic Switching that is based on the amount

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

Lo ad Sw itc hin g MN/22137, rev 1B-10 Vipersat CDD-56X Series User GuideIf the average bandwidth used exceeds the threshold percentage of available

Appendix B - Automatic Switching B-11MN/22137, rev 1 Load SwitchingFigure B-4 Auto Switching Menu, CDM-570/570L RemoteFigure B-5 Remote Load Switc

Lo ad Sw itc hin g MN/22137, rev 1B-12 Vipersat CDD-56X Series User Guide• SCPC Step Down Threshold – Similar to the Step Up Threshold, except Step D

Appendix B - Automatic Switching B-13MN/22137, rev 1 Load SwitchingLoad Switch ExampleAn automatic load switching example, illustrated in the schemati

Lo ad Sw itc hin g MN/22137, rev 1B-14 Vipersat CDD-56X Series User Guide 3. The STDMA Controller compares the Remote’s pre-selected buffer limits wi

Appendix B - Automatic Switching B-15MN/22137, rev 1 Load SwitchingThis entire process is automatic, following the policies established for the networ

Application Switching MN/22137, rev 1B-16 Vipersat CDD-56X Series User GuideApplication SwitchingNote: This Application Switching section refers to

Appendix B - Automatic Switching B-17MN/22137, rev 1 Application SwitchingEach application type will have been assigned a bandwidth allocation when th

To S Swi tch i ng MN/22137, rev 1B-18 Vipersat CDD-56X Series User GuideToS SwitchingToS BackgroundThe Type of Service (ToS) byte is an 8-bit field c

Appendix B - Automatic Switching B-19MN/22137, rev 1 To S Sw i tc h in gthe clear and often provides the only mechanism for identifying and prioritiz

vi Vipersat CDD-56X Series User GuideMN/22137, rev 1Figure 3-62 Home State Configuration screen3-48Figure 3-63 Force Modem to Home State warning3-49Fi

To S Swi tch i ng MN/22137, rev 1B-20 Vipersat CDD-56X Series User GuideConfigurationThe ToS switching feature can be configured within the SLM-5650A

Appendix B - Automatic Switching B-21MN/22137, rev 1 To S Sw i tc h in gExample ImplementationsToS Switching Per DeviceFor applications that require

To S Swi tch i ng MN/22137, rev 1B-22 Vipersat CDD-56X Series User GuideFigure B-11 Per Type ToS Switching ExampleToS RemarkingFor situations where

Appendix B - Automatic Switching B-23MN/22137, rev 1 To S Sw i tc h in gFigure B-12 ToS Remarking ApplicationToS to DSCP Value ConversionsApplicati

To S Swi tch i ng MN/22137, rev 1B-24 Vipersat CDD-56X Series User GuideMesh Setup Based on ToS DetectionThe detection of a ToS stamped packet by a r

Appendix B - Automatic Switching B-25MN/22137, rev 1 Entry Channel Mode SwitchingEntry Channel Mode SwitchingEntry Channel Mode (ECM) provides a metho

Entry Channel Mode Switching MN/22137, rev 1B-26 Vipersat CDD-56X Series User Guidetheir SCPC carrier inhibit flag set. The keep alive message is sent

Appendix B - Automatic Switching B-27MN/22137, rev 1 Entry Channel Mode SwitchingFigure B-14 ECM Switch Recovery: < 3 minutesUnit Reboot0Burst De

Entry Channel Mode Switching MN/22137, rev 1B-28 Vipersat CDD-56X Series User GuideFigure B-15 ECM Switch Recovery: > 3 minutesUsing STDMA ECMEnt

Appendix B - Automatic Switching B-29MN/22137, rev 1 Entry Channel Mode SwitchingNote: Refer to the Vipersat SLM-5650A modem manual for Entry Channel

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

Entry Channel Mode Switching MN/22137, rev 1B-30 Vipersat CDD-56X Series User GuideFigure B-17 ECM Remote List Page, CDM-570/570L 2. From the STDMA

Appendix B - Automatic Switching B-31MN/22137, rev 1 Entry Channel Mode Switchingand not switch out to SCPC unless either an application switch occurs

Entry Channel Mode Switching MN/22137, rev 1B-32 Vipersat CDD-56X Series User Guiderequired acquisition time of the receiver and the amount of time al

Appendix B - Automatic Switching B-33MN/22137, rev 1 Entry Channel Mode SwitchingFigure B-20 Entry Channel Mode v2 Configuration, Hub (CDD-564L)Remo

Entry Channel Mode Switching MN/22137, rev 1B-34 Vipersat CDD-56X Series User GuideFigure B-21 Entry Channel Mode v2 Configuration, Remote (CDM-570L

Appendix B - Automatic Switching B-35MN/22137, rev 1 Entry Channel Mode SwitchingFigure B-22 ECMv2 Processing Diagram B ootVMS RemoteSatellite Delay

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

Introduction MN/22137, rev 1C-2 Vipersat CDD-56X Series User Guidecaused, for example, by the use of different antenna sizes in a mesh network, or by

Appendix C - Dynamic Power Control C-3MN/22137, rev 1 Descript ionDescriptionThe behavior of the Dynamic Power Control feature is designed to regulate

viii Vipersat CDD-56X Series User GuideMN/22137, rev 1{ This Page is Intentionally Blank }

De scr ipt io n MN/22137, rev 1C-4 Vipersat CDD-56X Series User GuideOffset adjustments to the modulator transmit power during rain fade conditions ar

Appendix C - Dynamic Power Control C-5MN/22137, rev 1 Descript ionMbps. With a set margin of 5 dB, the additive power is never greater than the set le

De scr ipt io n MN/22137, rev 1C-6 Vipersat CDD-56X Series User GuideThe Max Power calculator takes into consideration all the above variables and com

Appendix C - Dynamic Power Control C-7MN/22137, rev 1 Conf igura tionpoint of the HPA. See “Signal Power Level Considerations” on page C-15 for more i

Co nfi gur ati on MN/22137, rev 1C-8 Vipersat CDD-56X Series User GuideSOTM Offset Main; ModulatorDisplay OnlySatcom-On-The-Move hunt power adjustment

Appendix C - Dynamic Power Control C-9MN/22137, rev 1 Conf igura tionMain DPC MenuThe main menu provides the basic configurable parameters: Enable DPC

Co nfi gur ati on MN/22137, rev 1C-10 Vipersat CDD-56X Series User Guidechanged from the CLI Calculate Max Power menu (figure C-5). The calculator fun

Appendix C - Dynamic Power Control C-11MN/22137, rev 1 Conf igura tioncarrier value. When this value is received by the transmitting modulator, it is

Co nfi gur ati on MN/22137, rev 1C-12 Vipersat CDD-56X Series User GuideThis calculator uses the site budgetary numbers to determine the maximum power

Appendix C - Dynamic Power Control C-13MN/22137, rev 1 Conf igura tionCalibrated Data RateThis is the Baseline Home State Data Rate and is used as the

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

Co nfi gur ati on MN/22137, rev 1C-14 Vipersat CDD-56X Series User GuideMax PowerAfter entering all site budgetary numbers and selecting the Calculate

Appendix C - Dynamic Power Control C-15MN/22137, rev 1 Signal Power Level ConsiderationsSignal Power Level ConsiderationsThere are many parameters to

Signal Power Level Considerations MN/22137, rev 1C-16 Vipersat CDD-56X Series User Guidelevel is then calculated based on the BUC’s Pin max minus the

Appendix C - Dynamic Power Control C-17MN/22137, rev 1 Signal Power Level ConsiderationsA good note here is that, with the typical LO frequencies as s

Signal Power Level Considerations MN/22137, rev 1C-18 Vipersat CDD-56X Series User GuideTimes LMR-400 (50Ω) 5,000 0.405 4.8 >90 0.64Times LMR-600 (

Appendix D - ECM Migration D-1APPENDIXECM MIGRATIONMigrating from STDMA/ECMv1 to Aloha/ECMv2 in a CDM-570/L NetworkGeneralThe material in this appendi

Ge ner al MN/22137, rev 1D-2 Vipersat CDD-56X Series User GuideAll other standard controls for access into dSCPC are maintained, but because of a new

Appendix D - ECM Migration D-3MN/22137, rev 1 Mi g ra t ion Pr oce d ureMigration ProcedureThis procedure is intended for Remote sites that are online

Mi gra tio n Pro ced ure MN/22137, rev 1D-4 Vipersat CDD-56X Series User GuideFigure D-1 STDMA Configuration Page, Remote CDM-570/L 3. Click on the

Appendix D - ECM Migration D-5MN/22137, rev 1 Mi g ra t ion Pr oce d ureConfigure Hub UnitOnce all active Remotes have been configured to ECMv2/Online

Ho w to U se T his Man ual MN/22137, rev 11-2 Vipersat CDD-56X Series User GuideChapter 3 — Using the Command Line Interface (CLI)Describes the use

Mi gra tio n Pro ced ure MN/22137, rev 1D-6 Vipersat CDD-56X Series User GuideAfter the Hub Type is changed to ECMv2, the controller will start sendi

Appendix D - ECM Migration D-7MN/22137, rev 1 Mi g ra t ion Pr oce d ureExample: The recommended settings for 64 kbps, QPSK, 3/4• Guardband—60 msec• P

Mi gra tio n Pro ced ure MN/22137, rev 1D-8 Vipersat CDD-56X Series User Guide 5. Save the configuration to Flash on the ECM Hub Controller.This conc

Appendix E - Glossary E-1APPENDIXGLOSSARYAACK A signal used in computing and other fields to indicate acknowledgement, such as a packet message used i

MN/22137, rev 1E-2 Vipersat CDD-56X Series User GuideBER Bit Error Rate (sometimes Ratio) – A measure of the number of data bits received incorrectly

Appendix E - Glossary E-3MN/22137, rev 1CRC Cyclic Redundancy Check – A method of applying a checksum to a block of data to determine if any errors oc

MN/22137, rev 1E-4 Vipersat CDD-56X Series User GuideEs/N0The ratio of Es (energy per symbol) and N0 (noise power spectral density per Hz). This is cl

Appendix E - Glossary E-5MN/22137, rev 1GIR Guaranteed Information RateGroup ID A number assigned to equipment which defines it as a member of a group

MN/22137, rev 1E-6 Vipersat CDD-56X Series User GuideIGMP Internet Group Management Protocol – An IP communications protocol used by network hosts and

Appendix E - Glossary E-7MN/22137, rev 1LO Local Oscillator – A component used in upconverters, downconverters, and transponders for frequency transla

Chapter 1 - General 1-3MN/22137, rev 1 Ho w to U se T his Man u alCaution: Explanatory text that notifies the reader of possible consequences of a

MN/22137, rev 1E-8 Vipersat CDD-56X Series User GuideNOC Network Operations Center – The main control center for network operations. A NOC can interro

Appendix E - Glossary E-9MN/22137, rev 1PSTN Public Switched Telephone Network – The world’s public circuit-switched telephone network, digital and an

MN/22137, rev 1E-10 Vipersat CDD-56X Series User GuideRS-232 A common electrical/physical standard issued by the IEEE used for point to point serial c

Appendix E - Glossary E-11MN/22137, rev 1TTAP Transmission Announcement Protocol – A proprietary multicast message sent out by the HCC to all associat

MN/22137, rev 1E-12 Vipersat CDD-56X Series User GuideVCS Vipersat Circuit Scheduler – The ArrangeLink VCS is a proprietary satellite communication sc

Appendix E - Glossary E-13MN/22137, rev 1WRED Weighted Random Early Detection – A queue management algorithm with congestion avoidance capabilities an

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Product Description MN/22137, rev 11-4 Vipersat CDD-56X Series User GuideProduct DescriptionIntroductionThe Vipersat CDD-56X Satellite Network Demodu

Chapter 1 - General 1-5MN/22137, rev 1 Product Description• Single Hop On Demand (SHOD) functions• 10/100BaseT Ethernet LAN/WAN Interface• Static IP R

Product Description MN/22137, rev 11-6 Vipersat CDD-56X Series User GuideSTDMAThe addition of STDMA capability to a Vipersat network allows multiple

Chapter 1 - General 1-7MN/22137, rev 1 Product DescriptionPayload DecompressionPayload compression condenses the size of data frames and reduces the s

Customer Support MN/22137, rev 11-8 Vipersat CDD-56X Series User GuideCustomer SupportContact InformationContact Comtech Vipersat Networks Customer S

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

Initial Configuration MN/22137, rev 12-2 Vipersat CDD-56X Series User GuideInitial ConfigurationNote: Many of the settings required for equipment co

Chapter 2 - Quick Start Configuration 2-3MN/22137, rev 1 Initial ConfigurationThe procedure for setting the modem configuration to match the defined n

Initial Configuration MN/22137, rev 12-4 Vipersat CDD-56X Series User GuideFigure 2-1 Main Menu screen 2. From the Administration screen shown in

Chapter 2 - Quick Start Configuration 2-5MN/22137, rev 1 Initial ConfigurationFigure 2-3 Feature Configuration screenTo enter the feature code, ente

Initial Configuration MN/22137, rev 12-6 Vipersat CDD-56X Series User GuideFigure 2-5 Working Mode dialog 5. When the reboot is completed, return

Chapter 2 - Quick Start Configuration 2-7MN/22137, rev 1 Initial ConfigurationFigure 2-6 Ethernet Interface screen 3. Save the settings to flash by

Vipersat CDD-56X SeriesCDD-562L, CDD-564/564LSatellite Network Demodulator RouterUser GuideApril 21, 2013Part number MN/22137Document Revision 1Firmwa

Initial Configuration MN/22137, rev 12-8 Vipersat CDD-56X Series User GuideBy putting the one route statement “Remotes 172.16.128.0/17 Wan to Sat” in

Chapter 2 - Quick Start Configuration 2-9MN/22137, rev 1 Initial ConfigurationFigure 2-7 Configuring the Route Table screen 4. Enter S at the comma

Initial Configuration MN/22137, rev 12-10 Vipersat CDD-56X Series User GuideFigure 2-8 Rx Configuration screen 3. Save the settings to flash by en

Chapter 2 - Quick Start Configuration 2-11MN/22137, rev 1 Initial Configuration 2. Enter R at the command prompt to toggle the Unit Role to either Hu

Initial Configuration MN/22137, rev 12-12 Vipersat CDD-56X Series User GuideRefer to Chapter 3, “Using the Command Line Interface (CLI)”, for additio

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

Ge ner al MN/22137, rev 13-2 Vipersat CDD-56X Series User GuideCommon Screen CommandsThe following commands appear on each of the menu screens:Demod S

Chapter 3 - Using the Command Line Interface (CLI) 3-3MN/22137, rev 1 Me n u De scr ipt ion sMenu DescriptionsThis section details the CLI menus and a

Me nu De scr ipt ion s MN/22137, rev 13-4 Vipersat CDD-56X Series User GuideFigure 3-2 Administration screenEnsure that the Working Mode is set to

Chapter 3 - Using the Command Line Interface (CLI) 3-5MN/22137, rev 1 Me n u De scr ipt ion sFeature ConfigurationFigure 3-4 Feature Configuration s

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

Me nu De scr ipt ion s MN/22137, rev 13-6 Vipersat CDD-56X Series User GuideFigure 3-5 FAST Feature Code dialogTip: Contact either the network adm

Chapter 3 - Using the Command Line Interface (CLI) 3-7MN/22137, rev 1 Me n u De scr ipt ion sTo activate the Vipersat Auto Switching capabilities of t

Vi per sat C o nf igu rat ion MN/22137, rev 13-8 Vipersat CDD-56X Series User GuideVipersat ConfigurationEntering V at the prompt from the CDD-56X M

Chapter 3 - Using the Command Line Interface (CLI) 3-9MN/22137, rev 1 Vi per sat Con fig ura t io nFigure 3-7 STDMA screen (Hub, STDMA, Fixed type)

Vi per sat C o nf igu rat ion MN/22137, rev 13-10 Vipersat CDD-56X Series User GuideSTDMA Tx RateThis menu item shows the STDMA Transmit Rate (in bp

Chapter 3 - Using the Command Line Interface (CLI) 3-11MN/22137, rev 1 Vi per sat Con fig ura t io nRefer to Appendix B, “Automatic Switching”, for a

Vi per sat C o nf igu rat ion MN/22137, rev 13-12 Vipersat CDD-56X Series User GuideNote: GIR allocations are restricted so that assigned GIR total

Chapter 3 - Using the Command Line Interface (CLI) 3-13MN/22137, rev 1 Vi per sat Con fig ura t io nmitting back to the Hub. The Remotes transmit on

Vi per sat C o nf igu rat ion MN/22137, rev 13-14 Vipersat CDD-56X Series User GuideGroup IDThe STDMA Group ID number defines a group of equipment (

Chapter 3 - Using the Command Line Interface (CLI) 3-15MN/22137, rev 1 Vi per sat Con fig ura t io nThis feature option is Enabled/Disabled by enteri

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

Vi per sat C o nf igu rat ion MN/22137, rev 13-16 Vipersat CDD-56X Series User GuideFigure 3-13 Burstmap Multicast IP promptOutbound IPThis menu i

Chapter 3 - Using the Command Line Interface (CLI) 3-17MN/22137, rev 1 Vi per sat Con fig ura t io nFor Dynamic Cycle and GIR configurations, the num

Vi per sat C o nf igu rat ion MN/22137, rev 13-18 Vipersat CDD-56X Series User GuideCDD-56X based on the STDMA transmit bit rate as shown in the men

Chapter 3 - Using the Command Line Interface (CLI) 3-19MN/22137, rev 1 Vi per sat Con fig ura t io nFigure 3-18 Slot Data Length promptNominal Data

Vi per sat C o nf igu rat ion MN/22137, rev 13-20 Vipersat CDD-56X Series User GuideTo change this setting, enter B at the command prompt to display

Chapter 3 - Using the Command Line Interface (CLI) 3-21MN/22137, rev 1 Vi per sat Con fig ura t io nThis parameter defines the number of time slots p

Vi per sat C o nf igu rat ion MN/22137, rev 13-22 Vipersat CDD-56X Series User GuideFigure 3-23 STDMA Remotes Menu screenAdding a Remote to the ST

Chapter 3 - Using the Command Line Interface (CLI) 3-23MN/22137, rev 1 Vi per sat Con fig ura t io n• R = Removed – This Remote is currently removed

Vi per sat C o nf igu rat ion MN/22137, rev 13-24 Vipersat CDD-56X Series User GuideSet Remote PoliciesThis menu item, which appears for GIR and Ent

Chapter 3 - Using the Command Line Interface (CLI) 3-25MN/22137, rev 1 Vi per sat Con fig ura t io nSet the Automatic Load Switch Rate to a value gre

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Vi per sat C o nf igu rat ion MN/22137, rev 13-26 Vipersat CDD-56X Series User GuideSwitching feature Enabled (see the section “STDMA/SCPC Automatic

Chapter 3 - Using the Command Line Interface (CLI) 3-27MN/22137, rev 1 Vi per sat Con fig ura t io nFigure 3-32 Delete Remote promptEnter the numbe

Vi per sat C o nf igu rat ion MN/22137, rev 13-28 Vipersat CDD-56X Series User GuideThe display is for information only and pressing any key will re

Chapter 3 - Using the Command Line Interface (CLI) 3-29MN/22137, rev 1 Vi per sat Con fig ura t io nWhen a Remote is removed from the group Burst Map

Vi per sat C o nf igu rat ion MN/22137, rev 13-30 Vipersat CDD-56X Series User GuideSTDMA StatisticsEntering V at the command prompt in the STDMA sc

Chapter 3 - Using the Command Line Interface (CLI) 3-31MN/22137, rev 1 Vi per sat Con fig ura t io nFigure 3-41 Stats Accumulation Window promptCle

Vi per sat C o nf igu rat ion MN/22137, rev 13-32 Vipersat CDD-56X Series User Guideparameters are operator selectable. The speed with which STDMA r

Chapter 3 - Using the Command Line Interface (CLI) 3-33MN/22137, rev 1 Vi per sat Con fig ura t io nswitching control is performed by the VMS. As is

Vi per sat C o nf igu rat ion MN/22137, rev 13-34 Vipersat CDD-56X Series User GuideCurrent WAN Transmit ModeThe Current WAN Transmit Mode item on t

Chapter 3 - Using the Command Line Interface (CLI) 3-35MN/22137, rev 1 Vi per sat Con fig ura t io nA default setting (95%) is provided, but there ma

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

Vi per sat C o nf igu rat ion MN/22137, rev 13-36 Vipersat CDD-56X Series User GuideTypically the default value will be optimum, but if there may be

Chapter 3 - Using the Command Line Interface (CLI) 3-37MN/22137, rev 1 Vi per sat Con fig ura t io na means to coordinate timing and utilize bufferin

Vi per sat C o nf igu rat ion MN/22137, rev 13-38 Vipersat CDD-56X Series User GuideFigure 3-49 Set LockTime promptTo disable Hitless Switching, e

Chapter 3 - Using the Command Line Interface (CLI) 3-39MN/22137, rev 1 Vi per sat Con fig ura t io nExpansion UnitThe Expansion Unit menu item in the

Vi per sat C o nf igu rat ion MN/22137, rev 13-40 Vipersat CDD-56X Series User GuideFigure 3-52 Network ID promptThe Network ID is used by the VMS

Chapter 3 - Using the Command Line Interface (CLI) 3-41MN/22137, rev 1 Vi per sat Con fig ura t io nCDD-56X responds to the VMS server with a unicast

Vi per sat C o nf igu rat ion MN/22137, rev 13-42 Vipersat CDD-56X Series User GuideOnce the unit is registered, the I command is removed from the V

Chapter 3 - Using the Command Line Interface (CLI) 3-43MN/22137, rev 1 Vi per sat Con fig ura t io nEnter K at the command prompt to configure this f

Vi per sat C o nf igu rat ion MN/22137, rev 13-44 Vipersat CDD-56X Series User GuidePrimary Heart BeatThis menu item appears for the Hub terminal on

Chapter 3 - Using the Command Line Interface (CLI) 3-45MN/22137, rev 1 Vi per sat Con fig ura t io nlevels. The information and commands in the menu

ii Vipersat CDD-56X Series User GuideMN/22137, rev 1Slot Guardband . . . . . . . . . . . . 3-17Slot Preamble Length . . . . . . .

Vi per sat C o nf igu rat ion MN/22137, rev 13-46 Vipersat CDD-56X Series User GuideDPC EnabledThe DPC Enabled command (enter E) is a toggle that al

Chapter 3 - Using the Command Line Interface (CLI) 3-47MN/22137, rev 1 Vi per sat Con fig ura t io nFigure 3-61 Target DPC Address promptThe STDMA

Vi per sat C o nf igu rat ion MN/22137, rev 13-48 Vipersat CDD-56X Series User GuideFigure 3-62 Home State Configuration screenSet Current Configu

Chapter 3 - Using the Command Line Interface (CLI) 3-49MN/22137, rev 1 Vi per sat Con fig ura t io nFigure 3-63 Force Modem to Home State warningTh

Vi per sat C o nf igu rat ion MN/22137, rev 13-50 Vipersat CDD-56X Series User GuideFigure 3-65 Receive Data Rate promptNote that the valid range

Chapter 3 - Using the Command Line Interface (CLI) 3-51MN/22137, rev 1 Vi per sat Con fig ura t io nNote that Coding Rate 6 (1/1) is not a valid sele

Vi per sat C o nf igu rat ion MN/22137, rev 13-52 Vipersat CDD-56X Series User GuideThe Node ID number that appears in this screen verifies that the

Chapter 3 - Using the Command Line Interface (CLI) 3-53MN/22137, rev 1 Vi per sat Con fig ura t io nFigure 3-70 Vipersat Migration promptUDP Port B

Vi per sat C o nf igu rat ion MN/22137, rev 13-54 Vipersat CDD-56X Series User Guide• Example: “Critical error: should not be in map”This alert typi

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

Table of Contents iiiMN/22137, rev 1Bandwidth Allocation and Load Switching by the Hub STDMA Burst Controller . . .B-5Load Switching—STDMA Hub .

Th e OS I Refer e nce Mod el MN/22137, rev 1A-2 Vipersat CDD-56X Series User GuideThe OSI Reference ModelOSI is an acronym for Open Systems Interconn

Appendix A - Network Addressing A-3MN/22137, rev 1 Th e OS I Re f er e nc e Mod elTogether, these two sub-layer protocols are responsible for moving

Bi nar y Mat h MN/22137, rev 1A-4 Vipersat CDD-56X Series User GuideBinary MathNetwork devices communicate using BITS, where a bit is a single digit

Appendix A - Network Addressing A-5MN/22137, rev 1 Bi n ar y Ma thchanged the numbering base (radix.) All digital processes are done in binary. The co

IP A ddr ess ing MN/22137, rev 1A-6 Vipersat CDD-56X Series User GuideIP AddressingAn IP (Internet Protocol) address is a unique set of numbers assi

Appendix A - Network Addressing A-7MN/22137, rev 1 IP Add res sin g• 16-bit network number • 16-bit node numberFigure A-4 IP Address Classes A, B,

IP A ddr ess ing MN/22137, rev 1A-8 Vipersat CDD-56X Series User GuideClass E• 240.0.0.0 to 255.255.255.255• Reserved for experimental use and limit

Appendix A - Network Addressing A-9MN/22137, rev 1 IP Add res sin gIn the process of subnetting, bits are borrowed from the host ID portion of an IP

IP A ddr ess ing MN/22137, rev 1A-10 Vipersat CDD-56X Series User GuideFigure A-7 ANDing an IP address and a subnet maskA calculator, available fr

Appendix A - Network Addressing A-11MN/22137, rev 1 IP Add res sin gEach of the four subnets can, in turn, support 64 members.The example subnet used