Comtech EF Data SLM-5650A User Manual
Comtech EF Data is a n
AS9100 Rev B / ISO9001:2000 Registered Company
Vipersat
SLM-5650A
Satellite Network Modem Router
User Guide
MN-0000035 Revision 5
Vipersat SLM-5650A
Satellite Network Modem Router
User Guide
Part number MN-0000035
Document Revision 5
Firmware Version 1.9.1
April 8, 2011
COMTECH EF DATA
VIPERSAT Network Products Group
3215 Skyway Court
Fremont, CA 94539
USA
Phone: (510) 252-1462
Fax: (510) 252-1695
www.comtechefdata.com
Part Number MN-0000035
Manual Revision 5
Firmware Version 1.9.1
©2011 by Comtech EF Data, Inc. All rights reserved. No part of this manual may be copied or
reproduced without prior written permission of Comtech EF Data, Inc.
IMPORTANT NOTE: The information contained in this document supersedes all previously
published information regarding this product. Product specifications are subject to change
without prior notice.
Comtech reserves the right to revise this publication at any time without obligation to provide
notification of such revision. Comtech periodically revises and improves its products and,
therefore, the information in this document is subject to change without prior notice. Comtech
makes no warranty of any kind with regard to this material, including but not limited to the implied
warranties of mechantability and fitness for a particular purpose. No responsibility for any errors
or omissions that may pertain to the material herein is assumed. Comtech makes no
commitment to update nor to keep current the information contained in this document.
All products, names, and services are trademarks or registered trademarks of their respective
companies.
Printed in the United States of America
Document Revision History
Revision Date Description
0 1/16/08 Preliminary Release 2.0.x
1 6/30/08 Update content to reflect NP v1.3.2
2 8/29/08 Update content to reflect NP v1.4.1
3 10/24/08 Update content to reflect NP v1.5.1
4 4/20/09 Update content to reflect NP v1.6.1
5 4/08/11 Update content to reflect NP v1.9.1
New Features: Satellite Roaming (SOTM); IGMP Multicast Routing;
BPM Routing Mode; Multi-TDM Tunneling; STDMA Power Hunt.
{ This Page is Intentionally Blank }
Table of Contents
Chapter 1
General
How to Use This Manual . . . . . . . . . . . 1-1
Manual Organization . . . . . . . . . . . . 1-1
Chapter 1 — General . . . . . . . . . 1-1
Chapter 2 — Quick Start Configuration 1-1
Chapter 3 — Using the Web Server
Interface (WSI) . . . . . . . . . . . . 1-2
Appendix A — Network Addressing . . 1-2
Appendix B — Automatic Switching . . 1-2
Appendix C — Dynamic Power Control1-2
Appendix D — Glossary . . . . . . . . 1-2
Conventions and References . . . . . . . . 1-2
Product Description . . . . . . . . . . . . . . 1-4
Introduction . . . . . . . . . . . . . . . 1-4
Modem Features . . . . . . . . . . . . 1-4
Router Features . . . . . . . . . . . . . 1-5
Network and Bandwidth Management. . 1-5
Dynamic SCPC (dSCPC) . . . . . . . . 1-5
Turbo Product Coding . . . . . . . . . . 1-6
New in this Revision . . . . . . . . . . . . .1-6
v1.7.1 Release. . . . . . . . . . . . . . 1-6
Dynamic Routing via OSPF . . . . . . . 1-6
DPC Calibration for Maximum Power . . 1-6
LAN Enhancements . . . . . . . . . . .1-6
Flow Control . . . . . . . . . . . . . . 1-6
Proxy ARP . . . . . . . . . . . . . . 1-7
VLAN . . . . . . . . . . . . . . . . . 1-7
v1.8.1 Release. . . . . . . . . . . . . . 1-7
Acquisition Mode . . . . . . . . . . . 1-7
v1.9.1 Release. . . . . . . . . . . . . . 1-7
Satellite Roaming (SOTM) . . . . . . 1-7
IGMP Multicast Routing . . . . . . . . 1-7
Bridged Point-to-Multipoint (BPM) Routing
Mode . . . . . . . . . . . . . . . . 1-8
Multi-TDM Tunneling Mode . . . . . . 1-8
STDMA Power Hunt . . . . . . . . . . 1-8
Customer Support . . . . . . . . . . . . . . . 1-9
Contact Information . . . . . . . . . . . 1-9
Return Material Authorization . . . . . . 1-9
Reader Comments / Corrections . . . . 1-9
Chapter 2
Quick Start Configuration
Introduction . . . . . . . . . . . . . . . . . . . 2-1
Initial Configuration . . . . . . . . . . . . . . . 2-2
LAN Connection . . . . . . . . . . . . 2-2
Network Role . . . . . . . . . . . . . . . . 2-3
Setting Vipersat SLM-5650A Operating
Parameters. . . . . . . . . . . . . . . . . 2-4
Verify/Enter FAST Feature . . . . . . . 2-4
Set the Vipersat Working Mode . . . . 2-5
Set the IP Addressing . . . . . . . . . 2-7
Configure the Route Table . . . . . . . 2-8
Routing in a Vipersat Network. . . . . 2-8
Creating the Static Routes . . . . . . 2-9
Dynamic Routing with OSPF . . . . 2-10
Multicast Routing with IGMP . . . . 2-11
Set the Satellite Modem Configuration 2-11
Set the Vipersat Configuration . . . . 2-13
Set the Home State . . . . . . . . . . 2-15
Chapter 3
Using the Web Server Interface (WSI)
General . . . . . . . . . . . . . . . . . . . . . 3-1
Menu Descriptions . . . . . . . . . . . . . . . 3-3
Main Menu Bar . . . . . . . . . . . . . . . 3-3
Common Menu Commands . . . . . . . . . 3-3
Save Parameters to Permanent Storage 3-4
Log Off . . . . . . . . . . . . . . . . . 3-4
Information . . . . . . . . . . . . . . . . . 3-5
Administration . . . . . . . . . . . . . . . . 3-5
Vipersat Mode . . . . . . . . . . . . . 3-5
Routing Mode . . . . . . . . . . . . . 3-6
FAST Features . . . . . . . . . . . . . 3-7
Vipersat Configuration . . . . . . . . . . . . . 3-9
Vipersat . . . . . . . . . . . . . . . . . . . 3-9
Vipersat Role . . . . . . . . . . . . . 3-10
Node Name . . . . . . . . . . . . . . 3-10
Network ID . . . . . . . . . . . . . . 3-10
Receive Multicast Address . . . . . . 3-11
Managing IP Address . . . . . . . . . 3-11
Heart Beat . . . . . . . . . . . . . . 3-11
Management Security . . . . . . . . 3-12
SOTM . . . . . . . . . . . . . . . . . 3-12
ToC i
STDMA Mode . . . . . . . . . . . . . . . 3-13
Allocation Method . . . . . . . . . . . 3-14
1 – Fixed . . . . . . . . . . . . . . 3-15
2 – Dynamic Slot . . . . . . . . . . 3-15
3 – Dynamic Cycle . . . . . . . . . 3-15
4 – GIR . . . . . . . . . . . . . . . 3-15
5 – Entry Channel . . . . . . . . . . 3-16
Acquisition Mode . . . . . . . . . . . 3-17
Group ID . . . . . . . . . . . . . . . 3-17
Cycles Per Burst Map . . . . . . . . . 3-18
Preamble Time . . . . . . . . . . . . 3-19
Guard Band . . . . . . . . . . . . . . 3-19
Slot Data Length . . . . . . . . . . . 3-19
Burstmap Multicast IP . . . . . . . . . 3-20
Power Hunt . . . . . . . . . . . . . . 3-21
Outbound IP . . . . . . . . . . . . . . 3-21
Automatic Remote Removal . . . . . 3-22
Remote List Table . . . . . . . . . . . 3-23
Add Remote to STDMA Group . . . 3-24
Set Remote Policies—GIR and ECM 3-25
GIR Remotes . . . . . . . . . . . . 3-25
ECM Remotes . . . . . . . . . . . . 3-25
Remove Remote from STDMA Group .
3-25
Enable/Disable Remote . . . . . . . 3-26
STDMA Statistics . . . . . . . . . . . . . 3-26
STDMA Hub Statistics . . . . . . . . . 3-27
STDMA Remote Statistics . . . . . . . 3-28
Vipersat Switching . . . . . . . . . . . . 3-28
Load Switching . . . . . . . . . . . . 3-30
STDMA Slot Capacity . . . . . . . . . 3-31
STDMA Switch Delay . . . . . . . . . 3-31
Percent Allocation . . . . . . . . . . . 3-32
SCPC Step Up Threshold . . . . . . . 3-32
SCPC Step Down Threshold . . . . . 3-32
SCPC Switch Delay . . . . . . . . . . 3-33
SCPC Step Up Excess . . . . . . . . 3-33
Dynamic Power Control Configuration . . 3-34
Dynamic Power Control . . . . . . . . 3-35
Target Eb/No . . . . . . . . . . . . . 3-35
Speed-Up Eb/No . . . . . . . . . . . 3-36
Target IP Address . . . . . . . . . . . 3-36
Maximum Power . . . . . . . . . . . 3-36
Margin . . . . . . . . . . . . . . . . . 3-37
Max Data Rate . . . . . . . . . . . . 3-37
Max Code Rate . . . . . . . . . . . . 3-37
Max Modulation . . . . . . . . . . . . 3-37
Home State . . . . . . . . . . . . . . . . 3-38
Set Current Configuration as Home State .
3-39
Force Modem to Home State . . . . . 3-39
Additional Routing Configuration . . . . . . . 3-40
Dynamic Routing . . . . . . . . . . . . . 3-40
OSPF Timeout Description . . . . . 3-43
Multicast Routing . . . . . . . . . . . . . 3-44
Appendix A
Network Addressing
Introduction . . . . . . . . . . . . . . . . . . A-1
The OSI Reference Model . . . . . . . . . . A-2
Layers 1 – 3 . . . . . . . . . . . . . . . . . A-2
Binary Math . . . . . . . . . . . . . . . . . . A-4
IP Addressing . . . . . . . . . . . . . . . . . A-6
IP Address Classes . . . . . . . . . . . . . A-6
Class A . . . . . . . . . . . . . . . . A-6
Class B . . . . . . . . . . . . . . . . A-6
Class C . . . . . . . . . . . . . . . . A-7
Class D . . . . . . . . . . . . . . . . A-7
Class E . . . . . . . . . . . . . . . . A-8
Private Network IP Addresses . . . . . A-8
Network Address Translation (NAT). . . A-8
Subnets . . . . . . . . . . . . . . . . . . . A-8
Subnet Mask . . . . . . . . . . . . . . . . A-9
Network Segments . . . . . . . . . . . . A-10
Default Gateways . . . . . . . . . . . . . A-11
MAC Addresses. . . . . . . . . . . . . . A-11
Appendix B
Automatic Switching
General . . . . . . . . . . . . . . . . . . . . B-1
Load Switching . . . . . . . . . . . . . . . . B-3
Overview . . . . . . . . . . . . . . . . . . B-3
Bandwidth Allocation and Load Switching by
the Hub STDMA Burst Controller . . . B-4
Load Switching—STDMA Hub . . . . . . . B-7
Hub Switching Parameters . . . . . . . B-7
Hub Switching Process . . . . . . . . . B-8
Load Switching—Remote . . . . . . . . . . B-9
Remote Switching Parameters . . . . . B-9
Determination for Switching . . . . . . B-10
Load Switch Example . . . . . . . . . . . B-10
Reduced Data Flow in Switched Mode
(SCPC) . . . . . . . . . . . . . . . B-12
ToS Switching. . . . . . . . . . . . . . . . . B-13
ii Vipersat SLM-5650A User Guide
ToS Background . . . . . . . . . . . . . . B-13
Detection of ToS Stamped Packets . . B-14
Configuration . . . . . . . . . . . . . B-15
Example Implementations . . . . . . . . . B-16
ToS Switching Per Device . . . . . . . B-16
ToS Switching Per Traffic Type . . . . B-16
ToS Remarking . . . . . . . . . . . . B-17
ToS to DSCP Value Conversions . . . B-17
Mesh Setup Based on ToS Detection . B-18
Entry Channel Mode (ECM) Switching . . . . B-20
Fail-Safe Operation . . . . . . . . . . . . B-20
Appendix C
Dynamic Power Control
Introduction . . . . . . . . . . . . . . . . . . C-1
Description . . . . . . . . . . . . . . . . . . C-3
BER Waterfall Mapping . . . . . . . . .C-3
Delta Power Compensation . . . . . . .C-3
Theory of Operation . . . . . . . . . . . . .C-4
Configuration . . . . . . . . . . . . . . . . . C-7
Main DPC Menu . . . . . . . . . . . . . . .C-9
Enable DPC . . . . . . . . . . . . . C-10
Target Eb/No . . . . . . . . . . . . C-10
Speed Up Eb/No Range. . . . . . . C-11
Target DPC (IP) Address . . . . . . C-11
Calculate Max Power Menu . . . . . . . . C-11
Calibrated Data Rate . . . . . . . . C-13
DPC Margin . . . . . . . . . . . . . C-13
Nominal Power Level . . . . . . . . C-13
Max Data Rate . . . . . . . . . . . C-13
Max Code Rate . . . . . . . . . . . C-13
Max Modulation . . . . . . . . . . . C-13
Max FEC Type . . . . . . . . . . . C-13
Calculate Max Power . . . . . . . . C-13
Max Power . . . . . . . . . . . . . C-14
Signal Power Level Considerations . . . . . . C-15
Power Considerations. . . . . . . . . . . C-16
Cabling Considerations . . . . . . . . . . C-16
Appendix D
Glossary
. . . . . . . . . . . . . . . . . . . . . . . . . D-1
Index
. . . . . . . . . . . . . . . . . . . . . . . Index-1
ToC iii
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iv Vipersat SLM-5650A User Guide
List of Figures
Chapter 1 Figures
Figure 1-1 SLM-5650A Modem Router Unit . . . 1-4
Chapter 2 Figures
Figure 2-1 NP Splash Screen. . . . . . . . . . . . . . 2-3
Figure 2-2 FAST Features Page . . . . . . . . . . . 2-4
Figure 2-3 Front Panel, SLM-5650A Modem . . 2-5
Figure 2-4 Vipersat Working Mode Page . . . . . 2-6
Figure 2-5 LAN Interface Page. . . . . . . . . . . . . 2-7
Figure 2-6 Routes Table Page (Hub) . . . . . . . 2-10
Figure 2-7 Transmit Configuration Frame (Hub) .
2-11
Figure 2-8 Receive Configuration Frame (Hub) . .
2-12
Figure 2-9 Vipersat Configuration Page (Hub)2-13
Figure 2-10 Home State Configuration Page . 2-15
Chapter 3 Figures
Figure 3-1 Network Processor Splashscreen . . 3-2
Figure 3-2 Main Menu Bar . . . . . . . . . . . . . . . . 3-3
Figure 3-3 Save Configuration Command . . . . 3-4
Figure 3-4 NP Logoff Command. . . . . . . . . . . . 3-4
Figure 3-5 Home Page . . . . . . . . . . . . . . . . . . . 3-5
Figure 3-6 Working Mode Page . . . . . . . . . . . . 3-6
Figure 3-7 FAST Features Page . . . . . . . . . . . 3-8
Figure 3-8 Front Panel, SLM-5650A Modem . . 3-8
Figure 3-9 Vipersat Configuration Page (Hub) . 3-9
Figure 3-10 . Figure 3-10 Vipersat Configuration
Page (Remote) . . . . . . . . . . . . . . . . . . 3-10
Figure 3-11 Disable SOTM for Remote . . . . . 3-12
Figure 3-12 STDMA Page (Hub, Dynamic Cycle
mode). . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Figure 3-13 STDMA Page (Remote) . . . . . . . 3-14
Figure 3-14 Hub Type Allocation Menu . . . . . 3-15
Figure 3-15 Hub STDMA Acquisition Mode . . 3-17
Figure 3-16 Group ID field . . . . . . . . . . . . . . . 3-18
Figure 3-17 Cycles Per Burst Map field . . . . . 3-18
Figure 3-18 Slot Preamble Time display . . . . 3-19
Figure 3-19 Slot Guardband field . . . . . . . . . . 3-19
Figure 3-20 Slot Data Length (Dynamic Cycle)3-20
Figure 3-21 Burstmap Multicast IP field . . . . . 3-20
Figure 3-22 Power Hunt field . . . . . . . . . . . . .3-21
Figure 3-23 Outbound IP field. . . . . . . . . . . . .3-22
Figure 3-24 Automatic Remote Removal . . . . 3-22
Figure 3-25 STDMA Remote List Table. . . . . 3-23
Figure 3-26 Remote List Table, GIR Hub . . . .3-24
Figure 3-27 Remote List Table, ECM Hub . . . 3-24
Figure 3-28 Delete Table Entry field . . . . . . . . 3-26
Figure 3-29 Remote Status selection . . . . . . . 3-26
Figure 3-30 STDMA Hub Statistics Page . . . .3-27
Figure 3-31 STDMA Remote Statistics Page .3-28
Figure 3-32 Switching Page (Hub) . . . . . . . . . 3-29
Figure 3-33 Switching Page (Remote) . . . . . . 3-30
Figure 3-34 STDMA Slot Capacity field . . . . .3-31
Figure 3-35 STDMA Switch Delay field . . . . .3-31
Figure 3-36 Percent Allocation field . . . . . . . .3-32
Figure 3-37 SCPC Step Up Threshold field . . 3-32
Figure 3-38 SCPC Step Down Threshold field3-33
Figure 3-39 SCPC Switch Delay field . . . . . . . 3-33
Figure 3-40 SCPC Step Up Excess field . . . .3-33
Figure 3-41 DPC Configuration (Hub & Remote) .
3-34
Figure 3-42 DPC Configuration (Hub Expansion
Demod) . . . . . . . . . . . . . . . . . . . . . . . .3-35
Figure 3-43 Home State Configuration Page .3-38
Figure 3-44 OSPF Parameters Page . . . . . . .3-41
Figure 3-45 IGMP Parameters Page . . . . . . .3-44
Appendix A Figures
Figure A-1 The Seven OSI Protocol Layers . . A-2
Figure A-2 Bits and Bytes . . . . . . . . . . . . . . . . A-4
Figure A-3 Binary to Decimal Conversion. . . . A-4
Figure A-4 IP Address Classes A, B, C . . . . . A-7
Figure A-5 NAT Router Example . . . . . . . . . . A-8
Figure A-6 Default Subnet Masks for IP Classes .
A-9
Figure A-7 ANDing an IP address and a subnet
mask. . . . . . . . . . . . . . . . . . . . . . . . . . A-10
Figure A-8 Network Segments . . . . . . . . . . . A-10
Figure A-9 Router as Default Gateway. . . . . A-11
Figure A-10 Network Node MAC Addresses A-12
LoF v
Appendix B Figures
Appendix C Figures
Figure B-1 Hub Load Switching Page . . . . . . .B-7
Figure B-2 Remote Load Switching Page . . . .B-9
Figure B-3 Load Switching diagram . . . . . . . .B-11
Figure B-4 ToS Field Location within the IP Header
B-13
Figure B-5 Remote ToS Switching menu . . . .B-15
Figure B-6 Per Device ToS Switching Example . .
B-16
Figure B-7 Per Type ToS Switching Example B-16
Figure B-8 ToS Remarking Application . . . . .B-17
Figure B-9 ToS and DSCP Conversion Chart B-18
Figure B-10 ECM Switch Recovery: < 3 minutes .
B-21
Figure B-11 ECM Switch Recovery: > 3 minutes .
B-22
Figure C-1 Data Rate to Power Relationship, DPC
C-5
Figure C-2 Excessive Max Power Example . . C-6
Figure C-3 DPC Configuration screen, CLI . . C-9
Figure C-4 DPC dialog, Parameter Editor . . C-10
Figure C-5 DPC Calculate Max Power screen, CLI
C-12
Figure C-6 DPC Calibration dialog, Parameter
Editor . . . . . . . . . . . . . . . . . . . . . . . . . C-12
Figure C-7 Signal Power Levels, Remote SiteC-15
vi Vipersat SLM-5650A User Guide
Chapter 2 Tables
Table 2-1 SLM-5650A Network Roles and
Functions . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Table 2-2 Vipersat Feature Configuration . . . . 2-6
Appendix B Tables
Table B-1 STDMA ACK Message . . . . . . . . . .B-5
Table B-2 ToS Switching Settings . . . . . . . . .B-15
Appendix C Tables
Table C-1 DPC Parameters, Main Menu . . . . .C-7
Table C-2 DPC Parameters, Calculate Max Power
Menu . . . . . . . . . . . . . . . . . . . . . . . . . . .C-8
Table C-3 Typical Coaxial Cable Characteristics .
C-17
List of Tables
LoT vii
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viii Vipersat SLM-5650A User Guide
GENERAL
How to Use This Manual
This manual documents the enhanced Vipersat features and functions of the
SLM-5650A Satellite Network Modem Router, and guides the user in how to
configure this product for use in a Vipersat network. The material covered
addresses only those areas specific to an SLM-5650A running in Vipersat mode,
and complements the universal features and functions described in the
SLM-5650A Installation and Operation Manual.
C
HAPTER
Earth station engineers, technicians, and operators responsible for the configuration and maintenance of the SLM-5650A are the intended audience for this
document.
Manual Organization
This User Guide is organized into the following sections:
Chapter 1 — General
Contains SLM-5650A product description, customer support information, and
manual conventions and references.
Chapter 2 — Quick Start Configuration
Covers the initial basic steps that are necessary for configuring the SLM-5650A
from a factory default state to a functional network element.
Chapter 1 - General 1-1
How to Use This Manual
NOTE
Chapter 3 — Using the Web Server Interface (WSI)
Describes the use of the Web Page for configuring and monitoring the SLM5650A in a Vipersat network. Each HTTP screen is presented along with a
detailed description and related commands.
Appendix A — Network Addressing
Supplemental reference information on binary math and network addressing to
assist with integrating the SLM-5650A into a Vipersat network.
Appendix B — Automatic Switching
Supplemental reference information on the Vipersat feature that provides Load
switching (response to network traffic load), and Entry Channel Mode switching functions.
Appendix C — Dynamic Power Control
A description of Vipersat’s DPC and its relationship to a SLM-5650A configuration.
Appendix D — Glossary
A glossary of terms that pertain to Vipersat satellite network technology.
Conventions and References
The following conventions are utilized in this manual to assist the reader:
Note: Provides important information relevant to the accompanying
text.
Tip: Provides complementary information that facilitates the
associated actions or instructions.
Caution: Explanatory text that notifies the reader of possible
consequences of an action.
Warning: Provides precautionary text that describes a potentially
hazardous situation. Failure to take or avoid a specified
action may result in damage to equipment.
1-2 Vipersat SLM-5650A User Guide
How to Use This Manual
The following documents are referenced in this manual, and provide supplementary information for the reader:
• SLM-5650A Satellite Modem Installation and Operation Manual (Part
Number MN-SLM5650A)
• Vipersat Management System User Guide (Part Number MN/22156)
• VLoad Utility User Guide (Part Number MN/22117)
• SLM-5650A Parameter Editor User Guide (Part Number MN-0000041)
Chapter 1 - General 1-3
Product Description
Product Description
Introduction
The Vipersat SLM-5650A Satellite Network Modem Router offers state of the
art performance and reliability in a sophisticated and cost-effective 1RU package. The SLM-5650A integrates router functionality into the modem,
completely eliminating external serial port cabling, and allowing connection of
a four port 10/100/1000Base-T LAN switch directly to the modem.
Figure 1-1
The SLM-5650A integrated modem/router and communications controller
operates as a Hub or Remote utilizing TDM/STDMA, SCPC, and IP circuit
switched management, offering flexibility and control of private satellite
networks. The SLM-5650A is designed to connect low- to high-speed data link
connections between Ethernet LAN to WAN networks, providing a variety of
communications services to Operators, Service Providers, and Enterprise Users.
The benefit of this architecture yields seamless bandwidth management-ondemand, while simplifying network capacity needs.
SLM-5650A Modem Router Unit
Modem Features
• 52–88 MHz, 104–176 MHz IF Range or 950–2000 MHz L-Band Range
• BPSK, QPSK, OQPSK, 8-PSK, or 16-QAM Operation
• Data Rate Range from 64 kbps up to 155 Mbps, depending on modulation
and FEC used {with FAST feature upgrade}
• Turbo Product Coding (TPC) FEC
• Fast Acquisition Demodulator
• Variable Bit Rate (to 1 bps)
• Plug-in Data interface supporting the optional Network Processor (NP)
module
• Programmable TDM/STDMA or dSCPC (dynamic SCPC) Access Control
1-4 Vipersat SLM-5650A User Guide
Product Description
Router Features
• Fully Integrated Network Management using Vipersat Management
System (VMS)
• Management Security {FAST option}
• Multi-Transponder Mode (MTM) Functions
• Dynamic Power Control (DPC) for Environment or Mesh Links
• Upstream Bandwidth Management for Load, Scheduled, and Manual
Switching
• Dynamic SCPC (dSCPC) Bandwidth-On-Demand
• Satellite Roaming (SOTM)
• Antenna Handover {FAST option}
• Four Port 10/100/1000BaseT Ethernet LAN/WAN Interface
• Router and Bridged Point-to-Multipoint (BPM) Modes {FAST option}
• Per Route IP Filtering
• Multi-Protocol Support
• Software Version Management via WEB, FTP, or VLoad
Network and Bandwidth Management
The Vipersat network solution integrates this advanced modem/router with the
powerful network management tool, the Vipersat Management System (VMS).
The VMS provides for traditional monitor and control of the SLM-5650A
modem, but more than just an M&C package, the VMS offers unique bandwidth
management that is ideal for IP-switched networks. Short data transfers are typically executed using a shared Selective Time Division Multiple Access
(STDMA) channel, and when large amounts of data transfer, voice, and/or
video communications are needed, modems can be automatically switched to a
dedicated SCPC channel.
Dynamic SCPC (dSCPC)
The VMS allows for dynamic point-to-point mesh connections to be established
between remotes. Traffic inbounds from remotes can be switched: manually or
automatically, load triggered, or scheduled, from shared STDMA (burst) mode
to a dedicated SCPC connection. Once the session is completed, the remote is
automatically switched back to shared mode.
While in SCPC mode, the VMS provides for dynamic bandwidth allocation,
automatically altering the bandwidth based on traffic conditions. This effec-
Chapter 1 - General 1-5
Product Description
tively enables the network to better handle connection oriented applications and
reduce network congestion, jitter, and latency.
The result is an economical and flexible network with bandwidth shared and
directed where it is needed for any mix of IP voice, video, and data traffic.
Turbo Product Coding
The Comtech Vipersat SLM-5650A incorporates a Turbo Product Codec (TPC).
TPC is an FEC technique that delivers significant performance improvement
when compared to Viterbi with concatenated Reed-Solomon. TPC simultaneously offers increased coding gain, lower decoding delay, and significant bandwidth savings.
New in this Revision
v1.7.1 Release
Dynamic Routing via OSPF
The Vipersat OSPF (Open Shortest Path First) feature in the Comtech
SLM-5650A modem/router provides for dynamic routing functionality. Route
changes from the Hub are broadcast to the Remotes via a dedicated WAN-toWAN multicast address. Route changes from a Remote are unicast to the Hub.
Static routes that are manually entered into the route table by the operator are
separate from these dynamic routes and are not managed as part of the OSPF
system.
DPC Calibration for Maximum Power
New controls relating to the calibration of the power control function—link
Margin and maximum transmission parameters (Maximum Data Rate, Maxi-
mum Modulation Type, and Maximum Coding Rate)—can now be specified by
the operator for site link budget calculation of the DPC Maximum Power value.
These numbers are applied to compensate and limit modulator output power for
a modem unit.
LAN Enhancements
Flow Control
Ethernet Flow Control can be implemented to manage limited network bandwidth and/or data rate send/receive disparities. The SLM-5650A NP interface
1-6 Vipersat SLM-5650A User Guide
Product Description
monitors the QoS queue depths and determines when to send the PAUSE
frames (IEEE 802.3) for management of data flow traffic.
Proxy ARP
The Proxy ARP feature activates the SLM-5650A to perform as the proxy
between the LAN and the satellite WAN and answer the ARP queries for a
network address that is not on the given network.
VLAN
The Port VLAN feature allows one of the four available Ethernet ports on the
SLM-5650A to be assigned for use by a specific VLAN, independent of the user
or system that is attached to the port.
v1.8.1 Release
Acquisition Mode
The SLM-5650A modem/router now offers two modes of choice for the Hub
Burst Controller to obtain acquisition of—detect and lock onto—the burst transmission from each Remote in the group: Standard and Long. Standard mode
uses an uncoded preamble signature and results in a shorter preamble time.
Long mode uses a combination of uncoded and coded portions of the signature
that provides additional reliability, but results in a longer preamble time.
v1.9.1 Release
Satellite Roaming (SOTM)
The SLM-5650A modem/router now supports Satellite Roaming, allowing
automatic network transitioning between multiple Hubs and/or satellites without operator intervention. The roaming feature requires the support of the
Roaming Oceanic Satellite Server (ROSS) to help process commands and information onboard the vessel.
IGMP Multicast Routing
The SLM-5650A is capable of performing as an IGMP (Internet Group
Management Protocol) multicast router to support IP network hosts that require
management of their dynamic multicast group memberships on a given
network.
Chapter 1 - General 1-7
Product Description
Bridged Point-to-Multipoint (BPM) Routing Mode
Another option for Vipersat networks is the BPM routing mode that offers additional flexibility and scalability of the satellite network by providing a combination of routing and bridging functions. Note that this option is only available if
the NP BPM FAST feature has been installed on the modem/router.
Multi-TDM Tunneling Mode
STDMA Power Hunt
Power Hunt is a transmission power control feature for the Remote modulator
that functions while the Remote is in STDMA mode. This parameter provides
compensation for instances when the initial (baseline) power value is insufficient or during periods of impaired transmission, and assists in maintaining
return link integrity.
1-8 Vipersat SLM-5650A User Guide
Customer Support
Contact Information
Contact Comtech Vipersat Network Products Customer Support for information
or assistance with product support, service, or training on any Vipersat product.
Mail:Attn: CTAC
Phone: 1+510-252-1462
Fax: 1+510-252-1695
Customer Support
Comtech EF Data – Vipersat Network Products
3215 Skyway Court
Fremont, CA 94539
USA
Email:
Web: www.comtechefdata.com
supportcvni@comtechefdata.com
Return Material Authorization
Any equipment returned to CEFD (in-warranty and out-of-warranty) must have
a Return Material Authorization (RMA) issued prior to return. To return a
Comtech Vipersat Networks Product for repair or replacement:
• Obtain an RMA form and number from either the CEFD Web Site, or via
phone from a CTAC representative.
• Be prepared to supply the product model number and serial number of the
unit.
• To ensure safe shipping of the product, pack the equipment in the original
shipping carton/packaging.
Reader Comments / Corrections
If the reader would like to submit any comments or corrections regarding this
manual and its contents, please forward them to a Vipersat Customer Support
representative. All input is appreciated.
Chapter 1 - General 1-9
Customer Support
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1-10 Vipersat SLM-5650A User Guide
QUICK START CONFIGURATION
NOTE
Introduction
This chapter describes the minimum configuration of an SLM-5650A Network
Processor that is necessary in order for the equipment to function in a Vipersat
network.
The CEFD SLM-5650A stores its configuration in an ASCII file named the
PARAM file. Equipment configuration is typically performed through the use of
the Web Server Interface (WSI) providing HyperText Transfer Protocol
(HTTP), particularly the initial configuration. This configuration method is
documented here. Alternatively, the Command Line Interface (CLI) can be used
for configuration. Once the equipment is functioning in the network, additional
configuration can be performed via the VMS.
C
HAPTER
Refer to Chapter 3, "Using the Web Server Interface (WSI)," for a more detailed
description on the usage of this feature.
This manual covers the configuration specifics of the SLM-5650A when used in
a Vipersat network. Refer to the SLM-5650A Installation and Operation
Manual (Part Number MN-0000031) for general instruction on setting up,
installing, and configuring this equipment.
Note: Before attempting to configure an SLM-5650A to be used in a Vipersat
Caution: Do not connect the TX cable until the modem is properly configured,
Chapter 2 - Quick Start Configuration 2-1
network, make certain it has the Vipersat option installed and enabled.
and the Home State is verified and Saved.
Initial Configuration
NOTE
Initial Configuration
Note: Many of the settings required for equipment configuration are based on
the LAN/WAN and Satellite network design, and should be obtained from
the network administrator.
LAN Connection
For the purposes of this user guide, the configuration procedures are performed
using the WSI from a workstation connected to the modem’s Network Processor (NP) via a LAN connection to one of the five available Ethernet ports:
• When operating as Router, the LAN connection should be to one of the
four traffic switched Ethernet ports (1–4) on the NP card.
• When operating as BPM, connect to the J5 Ethernet port on the base
modem.
A web browser (e.g., Internet Explorer >
7.0, or Firefox > 2.0) provides the
application interface. Alternatively, other connection methods, as described in
the SLM-5650A Installation and Operation Manual, may be used to perform the
configuration.
Make a web connection by entering the target SLM-5650A NP IP address into
the browser address field. The factory default IP address for a Vipersat-enabled
unit is
192.168.1.177/24. Once a web connection has been made, the SLM-
5650A will respond with a Login prompt. The factory defaults are:
Login: comtech
Password: comtech
Following the operator login, the Network Processor web page splash screen is
displayed, as shown in figure 2-1. Across the top of the page, the Main Menu
bar is displayed.
2-2 Vipersat SLM-5650A User Guide
Initial Configuration
Figure 2-1
NP Splash Screen
Network Role
The first and most important step prior to configuring the SLM-5650A is to
define its network role.
The SLM-5650A is a flexible network component able to perform different
functions depending on how it is used in a network. The role that is defined for
each SLM-5650A will determine what functions are available for each unit to
fill its role. Table 2-1 lists the network roles and the corresponding network
functions for which the SLM-5650A can be configured.
Table 2-1
Network Role / Function Hub Remote Expansion
Hub Burst Controller providing STDMA Timing Maps X
Hub SCPC Modem X
Hub Switched Demodulator X X
Remote STDMA Modem X
Remote SCPC Modem X
Remote Mesh Demodulator (SHOD) X X
SLM-5650A Network Roles and Functions
Chapter 2 - Quick Start Configuration 2-3
Initial Configuration
The procedure for setting the modem configuration to match the defined
network role is presented later in this Quick Start (“Set the Vipersat Working
Mode” on page 2-5).
Refer to the section “Vipersat Mode” on page 3-5 for additional details on the
SLM-5650A’s network role and setting the appropriate Vipersat Working
Mode.
Setting Vipersat SLM-5650A Operating Parameters
The following procedure is an example of using the WSI to bring an
SLM-5650A with factory default settings to the configuration which allows the
Vipersat functions to be accessible.
Verify/Enter FAST Feature
1. From the Admin submenu, select FAST Features, as shown in figure 2-2.
2. Verify whether or not the Vipersat FAST Feature is
Installed (as shown).
The feature codes are entered per customer order prior to shipment from
the factory; however, if the feature displays as
Not Installed, an updated
FAST code will have to be re-entered to enable the Vipersat features.
Figure 2-2
FAST Features Page
2-4 Vipersat SLM-5650A User Guide
Initial Configuration
The FAST Feature codes are entered using the front panel of the modem
(figure 2-3). With the keypad, select
Utility -> FAST -> Configuration -> Enter NP Code.
Enter the provided 20 digit code.
Figure 2-3
Tip: The network administrator will have the FAST Feature codes. These are
generated and stored by the unit serial number for the target SLM-5650A.
The target unit’s serial number can be found on the rear of the unit
chassis, or on the FAST code menu.
Caution: Upgraging the FAST features will cause a modem reboot and
reconfiguration of all modem parameters.
Front Panel, SLM-5650A Modem
Set the Vipersat Working Mode
The operating parameters that will be configured in the SLM-5650A are, in part,
determined by the role the modem is to fill in the network, as shown in table 2-1
and table 2-2.
Use the following procedure to configure an SLM-5650A to the network role it
is to fill in a Vipersat network.
1. Return to the Admin submenu and select Vipersat Mode (figure 2-4).
2. Select the designated Mode by clicking on the corresponding radio button,
then click on the Submit button.
This will set the modem functionality to reflect the selection.
Expansion Unit
When configured as an expansion unit, either as a Hub (switched) or as a
Remote (mesh), the SLM-5650A is set up so that the demod is in SCPC
mode and available as a resource for dedicated communications with the
other end of the satellite link.
Chapter 2 - Quick Start Configuration 2-5
Initial Configuration
Figure 2-4
Vipersat Working Mode Page
Once the Vipersat Mode has been set, the Vipersat submenu will be made
available for configuring and setting the Vipersat features according to
table 2-2, below.
Table 2-2
Unit Mode STDMA Auto Switching
Vipersat Hub Available Enabled
Vipersat Hub Expansion Not Available Disabled
Vipersat Remote Available Enabled
Vipersat Remote Expansion (SHOD) Not Available Disabled
Vipersat Feature Configuration
Routing Mode
The Routing Mode defaults to Router, which is the most typical mode for
2-6 Vipersat SLM-5650A User Guide
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