Comtech EF Data Vipersat CDM-570 Uživatelská příručka

Vipersat CDM-570/570LSatellite Network Modem RouterUser GuidePart Number MN/22125 Revision 0

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The OSI Reference ModelA-2 Vipersat CDM-570/570L User GuideThe OSI Reference ModelOSI is an acronym for Open Systems Interconnection. This is a networ

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

Binary MathA-4 Vipersat CDM-570/570L User GuideBinary MathNetwork devices communicate using BITS, where a bit is a single digit repre-sented by a 1 or

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 CDM-570/570L User GuideIP AddressingAn IP (Internet Protocol) address is a unique set of numbers assigned to a device on a n

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 CDM-570/570L User GuideClass E• 240.0.0.0 to 255.255.255.255• Reserved for experimental use and limited broadcastPrivate Net

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 CDM-570/570L User GuideFigure A-7 ANDing an IP address and a subnet maskA calculator, available from SolarWinds, performs

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

vChapter 2 FiguresFigure 2-1 Main Menu screen. . . . . . . . . . . . . . 2-4Figure 2-2 Administration screen . . . . . . . . . . . 2-4Figure 2-3 Featu

IP AddressingA-12 Vipersat CDM-570/570L User Guide• The first six characters are issued to the organization.• The second six characters are assigned t

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

GeneralB-2 Vipersat CDM-570/570L User Guidemeet their QoS and cost requirements within their bandwidth allocation. The result is a stable satellite ne

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

Load SwitchingB-4 Vipersat CDM-570/570L User GuideIf there is adequate upstream bandwidth available, the values of these two metrics will be the same.

Appendix B - Automatic Switching B-5Load Switchingthat Remotes that have been assigned a GIR are paying a premium and should benefit from available ex

Load SwitchingB-6 Vipersat CDM-570/570L User Guide• STDMA Slot Capacity - This is a threshold value. When the amount of outbound traffic at a Remote e

Appendix B - Automatic Switching B-7Load Switchingas the network is running below capacity, most Remotes will get the bandwidth they need and a switch

Load SwitchingB-8 Vipersat CDM-570/570L User Guide• SCPC Stepup Excess - Same as Percent Allocation at Hub. Note that the value applies to both Step U

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

vi Vipersat CDM-570/570L User GuideFigure 3-62 DPC Configuration screen (SCPC mode). . . . . . . . . . . . . . . . . . . . . . . . . . 3-49Figure 3-63

Load SwitchingB-10 Vipersat CDM-570/570L User Guidechannel space (bandwidth) requirements to accommodate the data flow requested by the STDMA Controll

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

Application SwitchingB-12 Vipersat CDM-570/570L User Guide• Voice over IP (VoIP)Each application type will have been assigned a bandwidth allocation w

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 CDM-570/570L User GuideEntry Channel Mode (ECM) SwitchingSTDMA Entry Channel Mode provides a method fo

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 CDM-570/570L User GuideFigure B-6 ECM Switch Recovery: > 3 minutesUnit Reboot0Burst DemodSwitched

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

IntroductionC-2 Vipersat CDM-570/570L User Guidecontrol algorithm is a closed loop servo-mechanism with the received Eb/No values as the input functio

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

viiChapter 2 TablesTable 2-1 CDM-570/570L Network Roles and Functions . . . . . . . . . . . . . . . . . . . . . . . . 2-3Table 2-2 Vipersat Feature Co

DescriptionC-4 Vipersat CDM-570/570L User Guidetion is established and data starts to flow, the modulator begins receiving DPC packets from the demodu

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

DescriptionC-6 Vipersat CDM-570/570L User GuideDPC Scaling FunctionFigure C-1 DPC Scaling FunctionFigure C-1 illustrates the scaling function, based

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 CDM-570/570L User Guideprovided to facilitate picking up new or offline units. This migration tool includes temporary control par

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

Firmware UpgradeD-4 Vipersat CDM-570/570L User Guide3) Save to Flash on all units and reset them to Latest/Oldest.4) "Get Information" (VLOA

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

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Firmware UpgradeD-6 Vipersat CDM-570/570L User GuideNote that Add All will find all units on the network, which for a large network will result in an

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

Firmware UpgradeD-8 Vipersat CDM-570/570L User GuideNetwork or installed networks with large TDM or DVB Outbound Carriers. Take care not to over-run

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 CDM-570/570L User GuideFigure D-9 Hard Reset screen 2. Observe the main window again to monitor the progress status fo

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 CDM-570/570L User Guide 2. Save the configuration file. Open it using WordPad. Insure that the lines shown in figure D-1

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 CDM-570/570L User GuideIf the file can not be found, it can be downloaded from the Comtech EF Data web site:http://www.c

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

Chapter 1 - General 1-1CHAPTERGENERALHow to Use This ManualThis manual documents the enhanced Vipersat features and functions of the CDM-570/570L Sate

Firmware UpgradeD-16 Vipersat CDM-570/570L User GuideCompleting MigrationPicking Up Straggler/Offline RemotesIdeally, all Remote units will be online

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

Firmware UpgradeD-18 Vipersat CDM-570/570L User GuideThe straggler Remotes will now frame on the TDM outbound signal. The asso-ciated Burst Controlle

Appendix E - Glossary E-1APPENDIXGLOSSARYAALC Automatic Limit Control is a closed loop mechanism controlling the gain stabilization of the HPA’s RF ou

E-2 Vipersat CDM-570/570L User GuideBPS Bits Per Second – A measure of transmission speed. See also kb/s & Mb/s.BPSK Binary Phase Shift Keying – A

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

E-4 Vipersat CDM-570/570L User GuideGUI Graphical User Interface – A form of graphical shell or user interface to a computer operating system.HHDLC Hi

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 CDM-570/570L User GuideNNAT Network Address Translation – An Internet standard that enables a local-area network (LAN) to use one set of

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

How to Use This Manual1-2 Vipersat CDM-570/570L User GuideChapter 3 — Using the Command Line Interface (CLI)Describes the use of the CLI for configuri

E-8 Vipersat CDM-570/570L User GuideSTDMA Selective Time Division Multiple Access – A multiple access technique where users time-share access to a com

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

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Chapter 1 - General 1-3How to Use This ManualThe following documents are referenced in this manual, and provide supple-mentary information for the rea

Product Description1-4 Vipersat CDM-570/570L User GuideProduct DescriptionIntroductionThe Vipersat CDM-570 and CDM-570L (L-band) Satellite Network Mod

Chapter 1 - General 1-5Product Description• Multi-Transponder Mode (MTM) Functions• Dynamic Power Control (DPC) for Environment or Mesh Links• Upstrea

Product Description1-6 Vipersat CDM-570/570L User GuideTurbo Product CodingThe Comtech Vipersat CDM-570/570L incorporates a Turbo Product Codec (TPC).

Chapter 1 - General 1-7Product Description1.5.4 ReleaseNew DPC (Dynamic Power Control) EnhancementsHigher Order Modulation BER Waterfall MappingDPC ta

Product Description1-8 Vipersat CDM-570/570L User GuideAuto Home State FailsafeA revert flag can now be added to the burst map on a per remote basis.

Chapter 1 - General 1-9Customer SupportCustomer SupportContact InformationContact Comtech Vipersat Networks Customer Support for information or assist

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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 CDM-570/570L User GuideCaution: Do not connect the TX cable until the modem is properly configured, and the Home St

Chapter 2 - Quick Start Configuration 2-3Initial ConfigurationNetwork RoleThe first and most important step prior to configuring the CDM-570/570L is t

Initial Configuration2-4 Vipersat CDM-570/570L User GuideFigure 2-1 Main Menu screen 2. From the Administration screen shown in figure 2-2, select

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

Vipersat CDM-570/570LVersion 1.5.xUser GuideJanuary 16, 2008Part number MN/22125Document Revision 0Firmware Version 1.5.x

Initial Configuration2-6 Vipersat CDM-570/570L User GuideFigure 2-5 Working Mode dialog 5. When the reboot is completed, return to the Feature Conf

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 CDM-570/570L User GuideClass B in half and points the upper half toward the satellite there will be over 16000 usabl

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

Initial Configuration2-10 Vipersat CDM-570/570L User GuideSet the Satellite Modem Configuration 1. Enter M from the Main Menu, then enter C from the

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 CDM-570/570L User Guide 7. Enter I at the command prompt to set the Managing IP Address.The Managing IP Address is

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 CDM-570/570L User GuideCommon Screen CommandsThe following commands appear on each of the menu screens:Save Parameters to Permanen

Chapter 3 - Using the Command Line Interface (CLI) 3-3Menu DescriptionsMenu DescriptionsThis section details the CLI command menus and briefly discuss

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

Menu Descriptions3-4 Vipersat CDM-570/570L User GuideFigure 3-2 Administration screenEnsure that the Working Mode is set to Router-Vipersat.If it is

Chapter 3 - Using the Command Line Interface (CLI) 3-5Menu DescriptionsFeature ConfigurationThe Feature Configuration screen shown in figure 3-4 allow

Menu Descriptions3-6 Vipersat CDM-570/570L User GuideFigure 3-5 FAST Feature Code dialogTip: Contact either the network administrator or Comtech Vi

Chapter 3 - Using the Command Line Interface (CLI) 3-7Menu DescriptionsSee the section “STDMA/SCPC Automatic Switching” on page 3-27 for more details

Vipersat Configuration3-8 Vipersat CDM-570/570L User GuideVipersat ConfigurationEnter V at the command prompt from the CDM-570/570L Main Menu shown in

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

Vipersat Configuration3-10 Vipersat CDM-570/570L User GuideHub TypeThis menu item is only displayed if the CDM-570/570L is being used as a Hub in the

Chapter 3 - Using the Command Line Interface (CLI) 3-11Vipersat Configuration2 – Dynamic SlotIn the Dynamic Slot mode, slot size is adjusted each cycl

Vipersat Configuration3-12 Vipersat CDM-570/570L User Guideswitching and Load switching Enabled. Also, the settings for Step Up and Step Down Threshol

Chapter 3 - Using the Command Line Interface (CLI) 3-13Vipersat ConfigurationThe target CDM-570/570L Group ID can be modified by entering an I at the

Document Revision StatusDocumentRevisionDate Description Affected PagesRevision 0 1/16/08 Revisions for firmware version 1.5.4.Document part number ch

Vipersat Configuration3-14 Vipersat CDM-570/570L User GuideBurstmap Multicast IPThis menu item is used to define the IP address for the Burstmap Multi

Chapter 3 - Using the Command Line Interface (CLI) 3-15Vipersat ConfigurationCycles Per Burst MapThis menu item, which appears for all Hub types excep

Vipersat Configuration3-16 Vipersat CDM-570/570L User GuideOn Remote units, this menu item is an information-only display.Note: The value entered at

Chapter 3 - Using the Command Line Interface (CLI) 3-17Vipersat ConfigurationDepending on the Hub type that is defined for the modem, the appearance o

Vipersat Configuration3-18 Vipersat CDM-570/570L User GuideFrom a Hub CDM-570/570L, entering R at the command prompt displays the STDMA Remotes Menu.F

Chapter 3 - Using the Command Line Interface (CLI) 3-19Vipersat Configuration•U = Used – This Remote is being used in the burstmap.Once a remote has b

Vipersat Configuration3-20 Vipersat CDM-570/570L User GuideSet Remote PoliciesThis menu item, which appears for GIR and Entry Channel Hub types, allow

Chapter 3 - Using the Command Line Interface (CLI) 3-21Vipersat ConfigurationThe Remote Policies screen for an Entry Channel Hub type allows the SCPC

Vipersat Configuration3-22 Vipersat CDM-570/570L User GuideFigure 3-24 Global SCPC Data Rate promptSimilarly, the Global Switch Type command can be

Chapter 3 - Using the Command Line Interface (CLI) 3-23Vipersat ConfigurationIn the example screen shown above, Remotes 1 and 2 are Enabled and Remote

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Vipersat Configuration3-24 Vipersat CDM-570/570L User GuideRemove Retry TimeoutEntering T at the command prompt in figure 3-17 will display the Remove

Chapter 3 - Using the Command Line Interface (CLI) 3-25Vipersat ConfigurationFigure 3-31 STDMA Statistics screen (Hub)Figure 3-32 STDMA Statistics

Vipersat Configuration3-26 Vipersat CDM-570/570L User GuideFigure 3-33 Hub Statistics screenThe Burst Controller monitors statistics in the received

Chapter 3 - Using the Command Line Interface (CLI) 3-27Vipersat ConfigurationSTDMA/SCPC Automatic SwitchingOne of the most powerful features of the Vi

Vipersat Configuration3-28 Vipersat CDM-570/570L User GuideLoad switching is controlled by both the Hub and the Remote, and thus related commands appe

Chapter 3 - Using the Command Line Interface (CLI) 3-29Vipersat ConfigurationTip: This menu item is useful for determining whether a Remote modem is

Vipersat Configuration3-30 Vipersat CDM-570/570L User GuideEntering I at the command prompt toggles the Video Switch Detection command for the CDM-570

Chapter 3 - Using the Command Line Interface (CLI) 3-31Vipersat Configurationbased switching in encrypted networks where the signaling protocols are e

Vipersat Configuration3-32 Vipersat CDM-570/570L User GuideFigure 3-36 QoS Configuration screenEnter Q at the command prompt in figure 3-36 to acces

Chapter 3 - Using the Command Line Interface (CLI) 3-33Vipersat ConfigurationConfigure QoS Rules Based SwitchingEnter V at the command prompt in figur

iGeneralHow to Use This Manual . . . . . . . . . . . 1-1Manual Organization . . . . . . . . . . . . 1-1Chapter 1 — General

Vipersat Configuration3-34 Vipersat CDM-570/570L User GuideThe Load Switching command on the Auto Switching menu is a toggle that Enables and Disables

Chapter 3 - Using the Command Line Interface (CLI) 3-35Vipersat ConfigurationFigure 3-40 STDMA Switch Delay promptPercent AllocationThis menu item a

Vipersat Configuration3-36 Vipersat CDM-570/570L User GuideFigure 3-42 SCPC Step Up Threshold promptSCPC Step Down ThresholdThis menu item appears f

Chapter 3 - Using the Command Line Interface (CLI) 3-37Vipersat ConfigurationFigure 3-44 SCPC Step Delay promptSCPC Step Up ExcessThis menu item app

Vipersat Configuration3-38 Vipersat CDM-570/570L User GuideEnter C at the command prompt in the Auto Switching screen to display the dialog shown in f

Chapter 3 - Using the Command Line Interface (CLI) 3-39Vipersat ConfigurationWhen ToS switching is enabled on a CDM-570/570L, the parameters for ToS s

Vipersat Configuration3-40 Vipersat CDM-570/570L User Guide• Enter the TOS ID - Enter an integer value in the range of 1 to 63. Entering a value of 0

Chapter 3 - Using the Command Line Interface (CLI) 3-41Vipersat ConfigurationFigure 3-51 ToS View screenHitless Switching ParametersUnless inherent

Vipersat Configuration3-42 Vipersat CDM-570/570L User GuideDelay for DemodThis parameter allows the operator to insert additional delay to account for

Chapter 3 - Using the Command Line Interface (CLI) 3-43Vipersat ConfigurationIn a fixed environment, enabling this feature will allow an operator to u

ii Vipersat CDM-570/570L User GuideSlot Preamble Length . . . . . . . . . 3-16Slot Data Length . . . . . . . . . . . . 3-16Slot

Vipersat Configuration3-44 Vipersat CDM-570/570L User GuideFigure 3-55 Unit Role promptThe choice made in this command will determine the role the t

Chapter 3 - Using the Command Line Interface (CLI) 3-45Vipersat ConfigurationNetwork ID. Enter B at the command prompt in the Vipersat Configuration s

Vipersat Configuration3-46 Vipersat CDM-570/570L User Guidethe VMS receives the unicast response, it registers the CDM-570/570L on the network.Enter V

Chapter 3 - Using the Command Line Interface (CLI) 3-47Vipersat ConfigurationThis managing address is automatically updated on a periodic basis for mo

Vipersat Configuration3-48 Vipersat CDM-570/570L User GuideBecause this feature is configured in the VMS, the status (Disabled, or the Time Period in

Chapter 3 - Using the Command Line Interface (CLI) 3-49Vipersat ConfigurationFigure 3-62 DPC Configuration screen (SCPC mode)Note: The following de

Vipersat Configuration3-50 Vipersat CDM-570/570L User GuideNominal Power LevelThis menu item is for information only and displays the Nominal Power Le

Chapter 3 - Using the Command Line Interface (CLI) 3-51Vipersat ConfigurationThe value entered sets the minimum power level allowed by all SCPC modula

Vipersat Configuration3-52 Vipersat CDM-570/570L User Guideto every 15 seconds until the receive level is greater than the set value. This provides a

Chapter 3 - Using the Command Line Interface (CLI) 3-53Vipersat Configurationand their status and EbNo values are displayed in the Vipersat Summary sc

iiiLayers 1 – 3 . . . . . . . . . . . . . . . . .A-2Binary Math . . . . . . . . . . . . . . . . . . A-4IP Addressi

Vipersat Configuration3-54 Vipersat CDM-570/570L User GuideEnter H at the command prompt in the Vipersat Configuration screen to display the Home Stat

Chapter 3 - Using the Command Line Interface (CLI) 3-55Vipersat ConfigurationForce Modem to Home StateIf at any time it is desired to have a CDM-570/5

Vipersat Configuration3-56 Vipersat CDM-570/570L User GuideFigure 3-72 Transmit Data Rate promptNote that the valid range for this parameter will va

Chapter 3 - Using the Command Line Interface (CLI) 3-57Vipersat ConfigurationTransmit Modulation TypeEntering E at the command prompt to use the dialo

Vipersat Configuration3-58 Vipersat CDM-570/570L User GuideFigure 3-77 Receive Frequency promptNote that this screen dialog example displays the fre

Chapter 3 - Using the Command Line Interface (CLI) 3-59Vipersat ConfigurationReceive Coding RateEnter P at the command prompt to use the dialog shown

Vipersat Configuration3-60 Vipersat CDM-570/570L User GuideFigure 3-82 Vipersat Summary screen (Hub)The Node ID number that appears in this screen v

Chapter 3 - Using the Command Line Interface (CLI) 3-61Vipersat ConfigurationVipersat MigrationThe Vipersat Migration command is used to set the compa

Vipersat Configuration3-62 Vipersat CDM-570/570L User GuideCaution: This command affects all communications for the VMS and STDMA. If the base addres

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