Comtech EF Data Vipersat SLM-5650A Guide de l'utilisateur

Comtech EF Data is an AS9100 Rev B / ISO9001:2000 Registered Company VipersatSLM-5650ASatellite Network Modem RouterUser GuideMN-0000035 Revision

iv Vipersat SLM-5650A User Guide{ This Page is Intentionally Blank }

GeneralB-2 Vipersat SLM-5650A User Guidemeet their QoS and cost requirements within their bandwidth allocation. The result is a stable satellite netwo

Appendix B - Automatic Switching B-3Load SwitchingLoad SwitchingOverviewThere are three primary functional components involved in the load switching p

Load SwitchingB-4 Vipersat SLM-5650A User Guideswitch is initiated. The data rate for the switch is computed by determining the current bandwidth requ

Appendix B - Automatic Switching B-5Load SwitchingTable B-1 STDMA ACK MessageIf there is adequate return path bandwidth available, the values of the

Load SwitchingB-6 Vipersat SLM-5650A User Guide• Dynamic Slot Mode – The slot size for each Remote is computed based on the time (at the current data

Appendix B - Automatic Switching B-7Load SwitchingLoad Switching—STDMA HubBefore discussing how load switching is determined, it is necessary to expla

Load SwitchingB-8 Vipersat SLM-5650A User Guide• Percent Allocation – This is an excess amount of bandwidth that is allocated beyond the current traff

Appendix B - Automatic Switching B-9Load SwitchingLoad Switching—RemoteOnce a Remote has been switched from STDMA mode to SCPC mode, it checks its ban

Load SwitchingB-10 Vipersat SLM-5650A User GuideSame as the Hub parameter STDMA Switch Delay.• SCPC Step Up Excess – This is an additional amount of b

Appendix B - Automatic Switching B-11Load SwitchingFigure B-3 Load Switching diagramA load switch is illustrated in figure B-3 using the following p

LoF vChapter 1 FiguresFigure 1-1 SLM-5650A Modem Router Unit . . . 1-4Chapter 2 FiguresFigure 2-1 NP Splash Screen. . . . . . . . . . . . . . 2-3Figur

Load SwitchingB-12 Vipersat SLM-5650A User Guidechannel space (bandwidth) requirements to accommodate the data flow requested by the STDMA Controller.

Appendix B - Automatic Switching B-13ToS SwitchingToS SwitchingToS BackgroundThe Type of Service (ToS) byte is an 8-bit field contained within the IP

ToS SwitchingB-14 Vipersat SLM-5650A User Guidethe clear and often provides the only mechanism for identifying and prioritize traffic within the netwo

Appendix B - Automatic Switching B-15ToS SwitchingConfigurationThe ToS switching feature can be configured within the SLM-5650A modem using either the

ToS SwitchingB-16 Vipersat SLM-5650A User GuideExample ImplementationsToS Switching Per DeviceFor applications that require an increase in SCPC bit ra

Appendix B - Automatic Switching B-17ToS SwitchingToS RemarkingFor situations where the application device is not capable of stamping a packet with a

ToS SwitchingB-18 Vipersat SLM-5650A User GuideThe information below can be used to convert between various formats:Convert from ToS to DSCP - Divide

Appendix B - Automatic Switching B-19ToS Switchingremote 1 to the other remote involved. However the other remote must also detect.

Entry Channel Mode (ECM) SwitchingB-20 Vipersat SLM-5650A User GuideEntry Channel Mode (ECM) SwitchingSTDMA Entry Channel Mode provides a method for R

Appendix B - Automatic Switching B-21Entry Channel Mode (ECM) SwitchingBurst Map causing it to rejoin the network through ECM. The VMS will park the d

vi Vipersat SLM-5650A User GuideAppendix B FiguresFigure B-1 Hub Load Switching Page . . . . . . .B-7Figure B-2 Remote Load Switching Page . . . .B-

Entry Channel Mode (ECM) SwitchingB-22 Vipersat SLM-5650A User GuideFigure B-11 ECM Switch Recovery: > 3 minutesUnit Reboot0Burst DemodSwitched D

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

IntroductionC-2 Vipersat SLM-5650A User Guidecaused, for example, by the use of different antenna sizes in a mesh network, or by rain fade conditions.

Appendix C - Dynamic Power Control C-3DescriptionDescriptionThe behavior of the Dynamic Power Control feature is designed to regulate power by utilizi

DescriptionC-4 Vipersat SLM-5650A User GuideOffset adjustments to the modulator transmit power during rain fade conditions are applied to incoming swi

Appendix C - Dynamic Power Control C-5DescriptionMbps. With a set margin of 5 dB, the additive power is never greater than the set level at any rate,

DescriptionC-6 Vipersat SLM-5650A User GuideThe Max Power calculator takes into consideration all the above variables and compares them to the modem B

Appendix C - Dynamic Power Control C-7Configurationpoint of the HPA. See “Signal Power Level Considerations” on page C-15 for more information.Configu

ConfigurationC-8 Vipersat SLM-5650A User GuideSOTM Offset Main; ModulatorDisplay OnlySatcom-On-The-Move hunt power adjustment when operating in STDMA

Appendix C - Dynamic Power Control C-9ConfigurationMain DPC MenuThe main menu provides the basic configurable parameters: Enable DPC, Target Eb/No, Sp

LoT viiChapter 2 TablesTable 2-1 SLM-5650A Network Roles and Functions . . . . . . . . . . . . . . . . . . . . . . . . 2-3Table 2-2 Vipersat Feature C

ConfigurationC-10 Vipersat SLM-5650A User Guidechanged from the CLI Calculate Max Power menu (figure C-5). The calculator function is not available fr

Appendix C - Dynamic Power Control C-11Configurationcarrier value. When this value is received by the transmitting modulator, it is compared to the se

ConfigurationC-12 Vipersat SLM-5650A User GuideThis calculator uses the site budgetary numbers to determine the maximum power value when operating at

Appendix C - Dynamic Power Control C-13ConfigurationCalibrated Data RateThis is the Baseline Home State Data Rate and is used as the base reference va

ConfigurationC-14 Vipersat SLM-5650A User GuideMax PowerAfter entering all site budgetary numbers and selecting the Calculate Max Power command, the s

Appendix C - Dynamic Power Control C-15Signal Power Level ConsiderationsSignal Power Level ConsiderationsThere are many parameters to consider when pl

Signal Power Level ConsiderationsC-16 Vipersat SLM-5650A User Guidelevel is then calculated based on the BUC’s Pin max minus the transmit cable loss.T

Appendix C - Dynamic Power Control C-17Signal Power Level ConsiderationsA good note here is that, with the typical LO frequencies as shown in the exam

Signal Power Level ConsiderationsC-18 Vipersat SLM-5650A User GuideTimes LMR-400 (50Ω) 5,000 0.405 4.8 >90 0.64Times LMR-600 (50Ω) 5,000 0.59 3.1 &

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

viii Vipersat SLM-5650A User Guide{ This Page is Intentionally Blank }

D-2 Vipersat SLM-5650A User GuideBPM Bridge Point-to-Multipoint – Routing mode option available in the SLM-5650A satellite modem.BPSK Binary Phase Shi

Appendix D - Glossary D-3DDAMA Demand Assigned Multiple Access – A process whereby communications links are only activated when there is an actual dem

D-4 Vipersat SLM-5650A User Guideeasy to quickly upgrade the feature options of a modem while it is running live in the network, either on site or rem

Appendix D - Glossary D-5HPA High Power Amplifier – The amplifier used in satellite communications to raise the transmit signal to the correct power l

D-6 Vipersat SLM-5650A User GuideLL-band A frequency band commonly used as an IF for satellite systems using block up/down conversion. Typically 950–1

Appendix D - Glossary D-7NNAT Network Address Translation – An Internet standard that enables a LAN to use one set of IP addresses for internal (priva

D-8 Vipersat SLM-5650A User GuidePPLDM Path Loss Data Message – A packet message that is sent by older Vipersat modems (e.g., CDM-570/L) to the VMS ev

Appendix D - Glossary D-9RFC Request For Comment – The official publication channel for Internet standards (such as communication protocols) issued by

D-10 Vipersat SLM-5650A User GuideStreamloadProtocolA proprietary Vipersat data streaming protocol.SUM Status Update Message – A packet message that i

Appendix D - Glossary D-11VVESP Vipersat External Switching Protocol – A switch-request protocol that allows external VPN equipment and Real-time prop

Chapter 1 - General 1-1CHAPTERGENERALHow to Use This ManualThis manual documents the enhanced Vipersat features and functions of the SLM-5650A Satelli

D-12 Vipersat SLM-5650A User Guide{ This Page is Intentionally Blank }

Index-1Aacquisition mode, 1-7, 3-17long, 3-17, 3-19standard, 3-17, 3-19adminFAST features, 2-4, 3-7Vipersat mode, 2-5, 3-5routing mode, 1-8, 2-6, 3-6a

Index-2 Vipersat SLM-5650A User Guideswitch type, 3-25expansion setting, 2-5, 3-5FFAST feature, 2-4, 3-3, 3-6, 3-7features, 1-4FEC, 3-39fixed, 3-14, 3

Index-3code rate, 3-37data rate, 3-37modulation, 3-37maximum power, 3-36message digest key, 3-43modem configuration, 2-11modulation, 3-39multicast, 1-

Index-4 Vipersat SLM-5650A User Guideentry channel, 3-14, 3-16fixed, 3-14, 3-15GIR, 3-14, 3-15automatic remote removal, 3-22retry cycles, 3-22timeout

How to Use This Manual1-2 Vipersat SLM-5650A User GuideChapter 3 — Using the Web Server Interface (WSI)Describes the use of the Web Page for configuri

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 SLM-5650A User GuideProduct Description IntroductionThe Vipersat SLM-5650A Satellite Network Modem Router offers state

Chapter 1 - General 1-5Product DescriptionRouter Features• Fully Integrated Network Management using Vipersat Management System (VMS)• Management Secu

Product Description1-6 Vipersat SLM-5650A User Guidetively enables the network to better handle connection oriented applications and reduce network co

Chapter 1 - General 1-7Product Descriptionmonitors the QoS queue depths and determines when to send the PAUSE frames (IEEE 802.3) for management of da

Product Description1-8 Vipersat SLM-5650A User GuideBridged Point-to-Multipoint (BPM) Routing Mode Another option for Vipersat networks is the BPM rou

Chapter 1 - General 1-9Customer SupportCustomer SupportContact InformationContact Comtech Vipersat Network Products Customer Support for information o

Customer Support1-10 Vipersat SLM-5650A User Guide{ This Page is Intentionally Blank }

Chapter 2 - Quick Start Configuration 2-1CHAPTERQUICK START CONFIGURATIONIntroductionThis chapter describes the minimum configuration of an SLM-5650A

Initial Configuration2-2 Vipersat SLM-5650A User GuideInitial ConfigurationNote: Many of the settings required for equipment configuration are based

Chapter 2 - Quick Start Configuration 2-3Initial ConfigurationFigure 2-1 NP Splash ScreenNetwork Role The first and most important step prior to con

Initial Configuration2-4 Vipersat SLM-5650A User GuideThe procedure for setting the modem configuration to match the defined network role is presented

Chapter 2 - Quick Start Configuration 2-5Initial ConfigurationThe FAST Feature codes are entered using the front panel of the modem (figure 2-3). With

Vipersat SLM-5650ASatellite Network Modem RouterUser GuideApril 8, 2011Part number MN-0000035Document Revision 5Firmware Version 1.9.1

Initial Configuration2-6 Vipersat SLM-5650A User GuideFigure 2-4 Vipersat Working Mode PageOnce the Vipersat Mode has been set, the Vipersat submenu

Chapter 2 - Quick Start Configuration 2-7Initial ConfigurationVipersat networks. For networks that call for BPM, see the section “Routing Mode” on pag

Initial Configuration2-8 Vipersat SLM-5650A User GuideChoosing Single mode sets the modem to accept all traffic—data, VMS, and management—that utilize

Chapter 2 - Quick Start Configuration 2-9Initial ConfigurationExample:The IP address 172.16.0.0 is the private address network number for class B netw

Initial Configuration2-10 Vipersat SLM-5650A User GuideIf this Hub unit is providing the TDM outbound, a route statement or statements defining satell

Chapter 2 - Quick Start Configuration 2-11Initial ConfigurationMulticast Routing with IGMP For networks that will utilize the Vipersat IGMP (Internet

Initial Configuration2-12 Vipersat SLM-5650A User Guide 3. After all Tx parameters are entered, click the Transmit Submit button. 4. Similarly, set

Chapter 2 - Quick Start Configuration 2-13Initial ConfigurationSet the Vipersat Configuration 1. From the Vipersat submenu, select Vipersat to open

Initial Configuration2-14 Vipersat SLM-5650A User Guideunits common to a network and allows the VMS to manage multiple networks, each with its own uni

Chapter 2 - Quick Start Configuration 2-15Initial ConfigurationSet the Home State 1. From the Vipersat submenu, select Home State to open the Home S

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

Initial Configuration2-16 Vipersat SLM-5650A User GuideThis completes the initial configuration of an SLM-5650A modem/router from the factory default

Chapter 3 - Using the Web Server Interface (WSI) 3-1CHAPTERUSING THE WEB SERVER INTERFACE (WSI)GeneralThis chapter describes the use of the WSI for c

General3-2 Vipersat SLM-5650A User GuideLogin: comtechPassword: comtechOnce the operator has logged in, the Network Processor splashscreen is displaye

Chapter 3 - Using the Web Server Interface (WSI) 3-3Menu DescriptionsMenu DescriptionsThis section details the WSI menu pages, and briefly discusses t

Menu Descriptions3-4 Vipersat SLM-5650A User GuideSave Parameters to Permanent Storage To Save the current configuration to permanent Flash storage, s

Chapter 3 - Using the Web Server Interface (WSI) 3-5Menu DescriptionsInformationThe specific firmware image versions and system up time for the Networ

Menu Descriptions3-6 Vipersat SLM-5650A User GuideThe choice that is made here will determine the role that this SLM-5650A will perform in the network

Chapter 3 - Using the Web Server Interface (WSI) 3-7Menu Descriptionsof the satellite network by providing a combination of routing and bridging funct

Menu Descriptions3-8 Vipersat SLM-5650A User GuideFigure 3-7 FAST Features PageVerify whether or not the Vipersat FAST Feature is Installed (as show

Chapter 3 - Using the Web Server Interface (WSI) 3-9Vipersat ConfigurationVipersat Configuration Mouseover Vipersat in the Main Menu Bar, as shown in

Document Revision HistoryRevision Date Description0 1/16/08 Preliminary Release 2.0.x1 6/30/08 Update content to reflect NP v1.3.22 8/29/08 Update con

Vipersat Configuration3-10 Vipersat SLM-5650A User GuideFigure 3-10 Figure 3-10 Vipersat Configuration Page (Remote)Vipersat Role The Role field is

Chapter 3 - Using the Web Server Interface (WSI) 3-11Vipersat ConfigurationThe Network ID is used by the VMS to identify units that are common to a ne

Vipersat Configuration3-12 Vipersat SLM-5650A User Guidedancy (protected) configurations. The message interval is set by the managing VMS which upload

Chapter 3 - Using the Web Server Interface (WSI) 3-13Vipersat ConfigurationTo maintain any parameter changes in flash memory, select Save from the Mai

Vipersat Configuration3-14 Vipersat SLM-5650A User GuideFor comparison, the STDMA menu for an SLM-5650A operating as a Remote unit is shown in figure

Chapter 3 - Using the Web Server Interface (WSI) 3-15Vipersat ConfigurationFigure 3-14 Hub Type Allocation MenuThis selection determines whether ava

Vipersat Configuration3-16 Vipersat SLM-5650A User Guidebeen assigned slots, the burst map is checked to see if the total cycle length exceeds one sec

Chapter 3 - Using the Web Server Interface (WSI) 3-17Vipersat Configurationmethod for remotes with low latency requirements to re-enter the network on

Vipersat Configuration3-18 Vipersat SLM-5650A User GuideAllocation of bandwidth is shared among the Remotes in an STDMA group. Depending on the number

Chapter 3 - Using the Web Server Interface (WSI) 3-19Vipersat ConfigurationPreamble Time This parameter, which appears in all Hub configurations, disp

{ This Page is Intentionally Blank }

Vipersat Configuration3-20 Vipersat SLM-5650A User Guideone spin of the STDMA cycle by each of the Remotes belonging to that group. This is the amount

Chapter 3 - Using the Web Server Interface (WSI) 3-21Vipersat ConfigurationPower Hunt Power Hunt is a transmission power control feature for the Remot

Vipersat Configuration3-22 Vipersat SLM-5650A User GuideFigure 3-23 Outbound IP fieldAutomatic Remote Removal The Automatic Remote Removal feature a

Chapter 3 - Using the Web Server Interface (WSI) 3-23Vipersat ConfigurationRemote List Table The Remote List Table appears on the STDMA page when the

Vipersat Configuration3-24 Vipersat SLM-5650A User GuideFigure 3-26 Remote List Table, GIR HubFigure 3-27 Remote List Table, ECM HubAdd Remote to

Chapter 3 - Using the Web Server Interface (WSI) 3-25Vipersat ConfigurationSet Remote Policies—GIR and ECMThe STDMA page for GIR and ECM Hub types all

Vipersat Configuration3-26 Vipersat SLM-5650A User GuideFigure 3-28 Delete Table Entry fieldEnable/Disable Remote Included in the Remote List Table

Chapter 3 - Using the Web Server Interface (WSI) 3-27Vipersat ConfigurationSTDMA Hub StatisticsThe STDMA-Hub Statistics page (figure 3-30) provides in

Vipersat Configuration3-28 Vipersat SLM-5650A User Guide•D = Disabled – This Remote is currently disabled and is not in the burst map.This status will

Chapter 3 - Using the Web Server Interface (WSI) 3-29Vipersat Configurationon bandwidth demand. The configuration options that are available to meet c

ToC iChapter 1GeneralHow to Use This Manual . . . . . . . . . . . 1-1Manual Organization . . . . . . . . . . . . 1-1Chapte

Vipersat Configuration3-30 Vipersat SLM-5650A User GuideFigure 3-33 Switching Page (Remote)Load Switching One of the four automatic switching functi

Chapter 3 - Using the Web Server Interface (WSI) 3-31Vipersat ConfigurationNote: Load switching must be Enabled for any SLM-5650A that will experienc

Vipersat Configuration3-32 Vipersat SLM-5650A User GuidePercent Allocation This parameter field appears for Hub modems only.The Percent Allocation par

Chapter 3 - Using the Web Server Interface (WSI) 3-33Vipersat ConfigurationA default value (65%) is provided, but if a different threshold is desired,

Vipersat Configuration3-34 Vipersat SLM-5650A User GuideTo maintain any parameter changes in flash memory, select Save from the Main Menu bar.Dynamic

Chapter 3 - Using the Web Server Interface (WSI) 3-35Vipersat ConfigurationFigure 3-42 DPC Configuration (Hub Expansion Demod)Note: The following d

Vipersat Configuration3-36 Vipersat SLM-5650A User GuideSpeed-Up Eb/No The Speed-Up Eb/N0 range parameter provides a means of decreasing the power adj

Chapter 3 - Using the Web Server Interface (WSI) 3-37Vipersat ConfigurationPower button is clicked. Any modifications to the settings for Margin, Max

Vipersat Configuration3-38 Vipersat SLM-5650A User GuideTo maintain any parameter changes in flash memory, select Save from the Main Menu bar.Home Sta

Chapter 3 - Using the Web Server Interface (WSI) 3-39Vipersat ConfigurationWhen Home State is Enabled, the valid settings for Code Rate, Modulation, a

ii Vipersat SLM-5650A User GuideSTDMA Mode . . . . . . . . . . . . . . . 3-13Allocation Method . . . . . . . . . . . 3-141

Additional Routing Configuration3-40 Vipersat SLM-5650A User GuideAdditional Routing ConfigurationBasic routing is configured using the Routes page th

Chapter 3 - Using the Web Server Interface (WSI) 3-41Additional Routing ConfigurationFor Hub SLM-5650As that are providing the TDM Outbound for a sate

Additional Routing Configuration3-42 Vipersat SLM-5650A User GuideIn Star mode, route changes at each Remote are only updated in the Hub. In Mesh mode

Chapter 3 - Using the Web Server Interface (WSI) 3-43Additional Routing ConfigurationHello Interval The Hello Interval parameter is the timer value fo

Additional Routing Configuration3-44 Vipersat SLM-5650A User Guidethat SLM-5650A are deleted. If/when a subsequent Hello is received from this same mo

Chapter 3 - Using the Web Server Interface (WSI) 3-45Additional Routing Configuration 2. Set the parameter fields as described below. For most applic

Additional Routing Configuration3-46 Vipersat SLM-5650A User Guide{ This Page is Intentionally Blank }

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 SLM-5650A User GuideThe OSI Reference ModelOSI is an acronym for Open Systems Interconnection. This is a network m

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

ToC iiiToS Background . . . . . . . . . . . . . . B-13Detection of ToS Stamped Packets . . B-14Configuration . . . . . . . .

Binary MathA-4 Vipersat SLM-5650A User GuideBinary MathNetwork devices communicate using BITS, where a bit is a single digit repre-sented by a 1 or a

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 SLM-5650A User GuideIP AddressingAn IP (Internet Protocol) address is a unique set of numbers assigned to a device on a netw

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 SLM-5650A User GuideClass E• 240.0.0.0 to 255.255.255.255• Reserved for experimental use and limited broadcastPrivate Networ

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 SLM-5650A User GuideFigure A-7 ANDing an IP address and a subnet maskA free 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 SLM-5650A User Guide• The first six characters are issued to the organization.• The second six characters are assigned to t

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