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Part Number

MN-CDM800 Revision 1

800

Advanced VSAT Series Gateway Router

Installation and Operation Manual

For Firmware Version 1.3.2 or Higher

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.

Summary of content (130 pages)

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CDM-800 Advanced VSAT Series Gateway Router Installation and Operation Manual For Firmware Version 1.3.2 or Higher 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.
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CDM-800 Advanced VSAT Series Gateway Router Installation and Operation Manual For Firmware Version 1.3.2 or Higher Part Number MN-CDM800 Revision 1 Copyright © 2012 Comtech EF Data. All rights reserved. Printed in the USA. Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA, 480.333.2200, FAX: 480.333.
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TABLE OF CONTENTS TABLE OF CONTENTS .............................................................................................................. III TABLES ..................................................................................................................................... VII FIGURES ................................................................................................................................... VII PREFACE ................................................................
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CDM-800 Gateway Router Table of Contents 1.2 Revision 1 MN-CDM800 CDM‐800 Functional Description........................................................................................... 1–2 1.3 CDM‐800 Features ................................................................................................................ 1–4 1.3.1 Physical Description .................................................................................................................. 1–4 1.3.2 Dimensional Envelope .....
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CDM-800 Gateway Router Table of Contents Revision 1 MN-CDM800 3.2.4.3 ‘REDUNDANCY’ Connector ................................................................................................ 3–8 3.2.4.4 ‘CONSOLE’ Interface Connector ........................................................................................ 3–9 3.2.5 ‘(EXTERNAL) REFERENCE IN/OUT’ Connector........................................................................... 3–9 3.3 CDM‐800 Ground and Power Connections ...................
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CDM-800 Gateway Router Table of Contents Revision 1 MN-CDM800 5.4.4.2 Admin (Administration) Pages ........................................................................................ 5–10 5.4.4.2.1 Admin | Access ......................................................................................................... 5–10 5.4.4.2.2 Admin | SNMP .......................................................................................................... 5–11 5.4.4.2.3 Admin | FAST .......................
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CDM-800 Gateway Router Table of Contents A.2 Revision 1 MN-CDM800 FAST Activation via the Web Server Interface ....................................................................... A–2 APPENDIX B. FEC (FORWARD ERROR CORRECTION)..................................................... B–1 B.1 Introduction ......................................................................................................................... B–1 B.2 DVB‐S2: LDPC and BCH....................................................
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CDM-800 Gateway Router Table of Contents Revision 1 MN-CDM800 Figure 5‐6. Admin | Firmware page ........................................................................................................ 5–14 Figure 5‐7. Admin | Auto Logout page ................................................................................................... 5–15 Figure 5‐8. Admin | VMS page ................................................................................................................ 5–16 Figure 5‐9.
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PREFACE About this Manual This manual provides installation and operation information for the Comtech EF Data CDM‐800 Gateway Router. This is an informational document intended for the persons responsible for the operation and maintenance of the CDM‐800. Reporting Comments or Suggestions Concerning this Manual Comments and suggestions regarding the content and design of this manual are appreciated.
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CDM-800 Gateway Router Preface Revision 1 MN-CDM800 Warnings, Cautions, and Notes A WARNING gives information about a possible hazard that MAY CAUSE DEATH or SERIOUS INJURY. A CAUTION gives information about a possible hazard that MAY CAUSE INJURY or PROPERTY DAMAGE. A NOTE gives important information about a task or the equipment. A REFERENCE directs the user to additional information about a task or the equipment.
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CDM-800 Gateway Router Preface Revision 1 MN-CDM800 The user should carefully review the following information: Safety and Compliance Electrical Safety and Compliance The unit complies with the EN 60950 Safety of Information Technology Equipment (Including Electrical Business Machines) safety standard. IF THE UNIT IS OPERATED IN A VEHICLE OR MOVABLE INSTALLATION, MAKE SURE THE UNIT IS STABLE. OTHERWISE, EN 60950 SAFETY IS NOT GUARANTEED.
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CDM-800 Gateway Router Preface Revision 1 MN-CDM800 Common technical requirements), and the Declarations of Conformity for the applicable directives, standards, and practices that follow: European Union Electromagnetic Compatibility (EMC) Directive (2004/108/EC) • Emissions: EN 55022 Class B – Limits and Methods of Measurement of Radio Interference Characteristics of Information Technology Equipment.
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CDM-800 Gateway Router Preface Revision 1 MN-CDM800 For additional symbols, refer to Warnings, Cautions and Notes listed earlier in this Preface. European Union RoHS Directive (2002/95/EC) This unit satisfies (with exemptions) the requirements specified in the European Union Directive on the Restriction of Hazardous Substances in Electrical and Electronic Equipment (EU RoHS, Directive 2002/95/EC).
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CDM-800 Gateway Router Preface Revision 1 MN-CDM800 Warranty Policy Comtech EF Data products are warranted against defects in material and workmanship for a specific period from the date of shipment, and this period varies by product. In most cases, the warranty period is two years. During the warranty period, Comtech EF Data will, at its option, repair or replace products that prove to be defective.
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CDM-800 Gateway Router Preface Revision 1 MN-CDM800 The warranty excludes any responsibility by Comtech EF Data Corporation for incidental or consequential damages arising from the use of the equipment or products, or for any inability to use them either separate from or in combination with any other equipment or products.
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CDM-800 Gateway Router Preface Revision 1 MN-CDM800 Getting Help Review the Warranty Policy before contacting Comtech EF Data Technical Support or Customer Service. Contacting Comtech EF Data Contact Comtech EF Data for: • Technical Support – Product support or training. • Customer Service – Information on returning an in‐warranty or out‐of‐warranty product for upgrade or repair. Be prepared to provide the product model number and its serial number.
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CDM-800 Gateway Router Preface Revision 1 MN-CDM800 Returning a Product for Upgrade or Repair Step Task 1 Go to the Comtech EF Data Service page (http://www.comtechefdata.com/ service.asp) and read the Return Material Authorization section in its entirety. 2 Request a Return Material Authorization Number: • On the Comtech EF Data Service page: Select the Return Material Authorization hyperlink. • On the Comtech EF Data Support page: (http://www.comtechefdata.com/support.
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CDM-800 Gateway Router Preface Revision 1 MN-CDM800 Notes: xviii
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Chapter 1. INTRODUCTION 1.1 Overview Figure 1-1. CDM-800 Gateway Router The CDM‐800 Gateway Router (Figure 1‐1) is a point‐to‐multipoint router. It serves as the “hub” or local site equipment component of Comtech EF Data’s Advanced VSAT Series group of products.
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CDM-800 Gateway Router Introduction Revision 1 MN-CDM800 The CDM‐800 features two 10/100/1000 Gigabit Ethernet (GigE) interfaces, one 10/100 Fast Ethernet (FE) interface, and provides WAN bandwidth optimization. The unit also features DVB‐S2 FEC coding. • • 1.2 Sect. 1.3 CDM‐800 Features Sect. 1.4 CDM‐800 Specifications CDM-800 Functional Description The CDM‐800 Gateway Router: • Is compatible with Comtech EF Data’s CDM‐840 Remote Router for Variable Coding and Modulation (VCM) operation.
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CDM-800 Gateway Router Introduction • • • Revision 1 MN-CDM800 Sect. 5.3 (ETHERNET‐BASED PRODUCT MANAGEMENT) SNMP (MIB II and Private MIB) Sect. 5.4 (ETHERNET‐BASED PRODUCT MANAGEMENT) Web Server (HTTP) Interface Chapter 6. SERIAL‐BASED REMOTE PRODUCT MANAGEMENT Field update of the operating system firmware is possible through file upload via satellite or the Ethernet port. Chapter 4.
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CDM-800 Gateway Router Introduction 1.3 1.3.1 Revision 1 MN-CDM800 CDM-800 Features Physical Description The CDM‐800 Gateway Router is constructed as a 1RU‐high rack‐mounting chassis. Handles at the front facilitate removal from and placement into a rack. The unit can be free‐standing if desired. • • 1.3.2 Sect. 1.4 CDM‐800 Product Specifications Sect. 2.1 Installation into a Rack Enclosure Dimensional Envelope Figure 1-3.
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CDM-800 Gateway Router Introduction 1.3.3 Revision 1 MN-CDM800 CDM-800 Physical Features 1.3.3.1 Front Panel Figure 1-4. CDM-800 – Front Panel View The front panel of the CDM‐800 (Figure 1‐4) features eight Light‐Emitting Diode (LED) indicators. These LEDs convey operational states as follows: LED UNIT STATUS STORED EVENT ONLINE TEST MODE TRANSMITTER ON Tx TRAFFIC GE1 or GE2 LINK/ACTIVITY Condition Green No Unit Faults or Alarms. Amber No Unit Faults, but an Alarm exists.
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CDM-800 Gateway Router Introduction 1.3.3.2 Revision 1 MN-CDM800 Rear Panel PROPER GROUNDING PROTECTION IS REQUIRED. The equipment must be connected to the protective earth connection at all times. It is therefore imperative that the unit is properly grounded, using the ground stud provided on the unit rear panel, during installation, configuration, and operation. • • Sect. 3.2 CDM‐800 Cabling Connections Sect. 3.
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CDM-800 Gateway Router Introduction 1.3.3.2.2 Revision 1 MN-CDM800 Rear Panel Optional Features The unit provides the following Data Interface for optional hardware operation: • (1X) DB‐9M EIA‐232 connector labeled “REDUNDANCY” for interoperability with a separately purchased Comtech EF Data CRS‐170A 1:1 Redundancy Switch for L‐Band operation, or the CRS‐180 1:1 Redundancy Switch for 70/140 MHz operation.
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CDM-800 Gateway Router Introduction 1.4 Revision 1 MN-CDM800 CDM-800 Specifications 1.4.
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CDM-800 Gateway Router Introduction 1.4.2 Revision 1 MN-CDM800 Standard Assemblies CEFD Item No. Description Where Installed PL-0000820 CDM-800 Base Chassis Assembly (AC) – PL-0000809 CDM-800 PCB Assembly CDM-800 chassis PL-0000851 CDM-800 Modulator Board Assembly CDM-800 chassis 1.4.3 Optional Assemblies CEFD Item No.
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CDM-800 Gateway Router Introduction Revision 1 MN-CDM800 Notes: 1–10
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Chapter 2. INSTALLATION 2.1 Unpacking and Inspection Figure 2-1. Unpacking and Inspecting the Shipment The CDM‐800 Gateway Router, its Installation and Operation Manual, and its power cord were packaged and shipped in a reusable cardboard carton containing protective foam spacing. This equipment contains parts and assemblies sensitive to damage by Electrostatic Discharge (ESD). Use ESD precautionary procedures when handling the equipment.
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CDM-800 Gateway Router Installation Revision 1 MN-CDM800 Once opened, inspect the shipment: Step 2.2 Task 1 Keep all shipping materials for storage or reshipment. 2 Check the packing list to ensure the shipment is complete. 3 Inspect the equipment for any possible damage incurred during shipment. Contact the carrier and Comtech EF Data immediately to submit a damage report if damage is evident.
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CDM-800 Gateway Router Installation Revision 1 MN-CDM800 Figure 2-2. Installation into a Rack Enclosure Mount the CDM‐800 in its assigned position in the rack enclosure. Use, as required: • A standard rack‐mounted shelf; • User‐supplied screws to secure the front panel to the rack enclosure threaded front mounting rails; • Comtech EF Data’s optional KT/6228‐2 (4”) or KT/6228‐3 (10”) Rear‐Mounting Support Brackets Kit.
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CDM-800 Gateway Router Installation Revision 1 MN-CDM800 2.2.1 Installing the Optional Rear-Mounting Support Brackets Kit Tools needed to install the KT/6228‐2 (4”) or KT/6228‐3 (10”) Bracket Kit: • A medium Phillips™ screwdriver • A 5/32‐inch SAE Allen™ Wrench • An adjustable Crescent™ wrench.
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CDM-800 Gateway Router Installation Item Revision 1 MN-CDM800 Detail Description 1 Back of Unit 2 Rack Enclosure Threaded Rear Mounting Rail (typical) Kit / Quantity Part Number Description 2 HW/10‐32SHLDR Shoulder Screw, #10 4 4 HW/10‐32FLT Flat Washer, #10 3 2 2 HW/10‐32SPLIT Lock Washer, #10 4 2 2 HW/10‐32HEXNUT Hex Nut, #10 5 4 4 HW/10‐32x1/2RK Bolt, #10, Rear Support Bracket 2 – FP/6138‐2 Bracket, Rear Support – 4” – 2 FP/6138‐3 Bracket, Rear Support – 10” KT/62
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CDM-800 Gateway Router Installation Revision 1 MN-CDM800 Notes: 2–6
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Chapter 3. REAR PANEL CONNECTIONS 3.1 Cabling Connection Types The CDM‐800 Gateway Router uses a number of different cables. Each cable type is typically dedicated to a specific mode of operation. Not all of these operational interface types may be available with this product. 3.1.1 Coaxial Cable Connections Coupling Type Connector Type Plug Jack Bayonet (Type ‘BNC’ shown) Threaded (Type ‘N’ shown) Figure 3‐1.
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CDM-800 Gateway Router Rear Panel Connections Revision 1 MN-CDM800 • Bayonet Coupling Style: The jack has a pair of guide posts that accommodate the plug’s lockdown slots. This lockdown design provides secure assembly without over‐tightening the connection. • Threaded Coupling Style: The jack features external threads. The plug shell features internal threads, and has either a knurled outer surface to permit hand‐tightening of the connection, or hex flats to accommodate torqued installation.
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CDM-800 Gateway Router Rear Panel Connections 3.1.1.4 Revision 1 MN-CDM800 Type ‘F’ Type ‘F’ connectors feature a Threaded Coupling design similar to Type ‘TNC’, Type ‘N’, and Type ‘SMA’ connectors. 3.1.1.5 Type ‘SMA’ (Subminiature Version ‘A’) Type ‘SMA’ connectors feature a Threaded Coupling design similar to Type ‘TNC’, Type ‘N’, and Type ‘F’ connectors. 3.1.
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CDM-800 Gateway Router Rear Panel Connections Revision 1 MN-CDM800 Connection Instructions: Orient the plug to the receptacle in the proper position. Press firmly into place. Use the jack screws to secure the plug to the receptacle jack nuts. Do not over‐ tighten. 3.1.3 Circular Cable Connections Circular connectors are intended for weatherproof outdoor applications. The connector pairs feature a sleeve lock configuration, with an array of pins (male side) coupled to mating sockets (female side).
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CDM-800 Gateway Router Rear Panel Connections 3.2 Revision 1 MN-CDM800 CDM-800 Cabling Connections (Top) Standard AC Unit (Bottom) Optional 48V DC Unit Figure 3-3. CDM-800 Cabling Connections The CDM‐800 rear panel connectors, shown here in Figure 3‐1, provide all necessary external connections between the unit and other equipment. The table that follows summarizes the connectors provided here, grouped according to service function. Connector Group (Section) 3.2.1 3.2.2 3.2.
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CDM-800 Gateway Router Rear Panel Connections 3.2.1 3.2.1.1 Revision 1 MN-CDM800 IF Connector Group ‘L-BAND Tx’ Connector THERE MAY BE DC VOLTAGES PRESENT ON THE TYPE ‘N’ TX IF CONNECTOR, UP TO A MAXIMUM OF 48 VOLTS. 3.2.1.
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CDM-800 Gateway Router Rear Panel Connections 3.2.2 3.2.2.1 3.2.3 Revision 1 MN-CDM800 Terrestrial Data Connector Group ‘GE1’ ‘GE2’ (Gigabit Ethernet) Connectors Connector Type Name Direction RJ‐45 female modular jacks GE1, GE2 In/Out • These interfaces operate at 10/100/1000 Mbps @ full duplex (10/100 Mbps @ half duplex), auto‐negotiating. • The typical maximum Ethernet packet size is 1522 bytes (including Ethernet headers and CRC).
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CDM-800 Gateway Router Rear Panel Connections 3.2.4 3.2.4.1 Revision 1 MN-CDM800 Utility Connector Group ‘TERM’ Connector This RJ‐12 female modular jack is unused at this time. 3.2.4.2 ‘FE’ (Fast Ethernet) Connector • • 3.2.4.3 Connector Type Name Direction RJ‐45 female modular jack FE In/Out This interface operates at 10/100 Mbps, half and full duplex, auto‐negotiating.
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CDM-800 Gateway Router Rear Panel Connections 3.2.4.4 Revision 1 MN-CDM800 ‘CONSOLE’ Interface Connector Connector Type Name Direction Type ‘D’ 9‐pin male CONSOLE In/Out This interface is used for EIA‐232 communications. It is intended for connection to an M&C computer or VT (Video Terminal) device. Table 3-2. CONSOLE Connector Pinout Pin # 1 6 2 7 3 8 4 9 5 3.2.
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CDM-800 Gateway Router Rear Panel Connections 3.3 3.3.1 Revision 1 MN-CDM800 CDM-800 Ground and Power Connections Chassis Ground Interface PROPER GROUNDING PROTECTION IS REQUIRED. The equipment must be connected to the protective earth connection at all times. It is therefore imperative that the unit is properly grounded, using the ground stud provided on the unit rear panel, during installation, configuration, and operation. (Top) Standard AC Unit (Bottom) Optional 48V DC Unit Figure 3-4.
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CDM-800 Gateway Router Rear Panel Connections 3.3.2 Revision 1 MN-CDM800 115V/230V Alternating Current (AC) Power Interface (Standard) Feature Description 1 On / Off Switch 2 Press‐fit Fuse Holder 3 IEC Three‐prong Connector AC Power Specifications Input Power 40W maximum, 20W typical Input Voltage 100V to 240V AC, +6%/‐10%, autosensing (total absolute max. range is 90V to 254V AC) Connector Type IEC Fuse Protection Line and neutral fusing (2X) 20mm Slow‐blow type fuses: T2.5A (2.
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CDM-800 Gateway Router Rear Panel Connections 3.3.2.2 Revision 1 MN-CDM800 AC Operation – Replacing Fuses FOR CONTINUED OPERATOR SAFETY, ALWAYS REPLACE THE FUSES WITH THE CORRECT TYPE AND RATING. The CDM‐800 uses two 20mm Slow‐blow fuses – one each for line and neutral connections. The fuses are located in the rear panel at the power supply (Figure 3‐7). DISCONNECT THE POWER SUPPLY BEFORE PROCEEDING! The fuses are contained within a fuse holder that is press‐fit into the body of the IEC power module.
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CDM-800 Gateway Router Rear Panel Connections 3.3.3 Revision 1 MN-CDM800 48V Direct Current (DC) Power Interface (Optional) Feature Description 1 On / Off Switch 2 Screw‐in Fuse Holders / Receptacles 3 Power Terminal Block DC Power Specifications Input Power 25W (typical) 245W (maximum with BUC) Input Voltage 48V DC, nominal (36V to 60V) Connector Type Terminal Block Fuse Protection (2X) 20mm Slow‐blow type fuses: T3A (3.0A) Main T5A (5.0A) (BUC) Figure 3-8.
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CDM-800 Gateway Router Rear Panel Connections 3.3.3.2 Revision 1 MN-CDM800 DC Operation – Replacing Fuses DISCONNECT THE POWER SUPPLY BEFORE PROCEEDING! The fuses are contained within individual screw‐in receptacles located below the terminal blocks (Figure 3‐10). Figure 3-10. Replacing CDM-800 DC Fuses To replace the fuses: • • First, unscrew either fuse holder from its receptacle.
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Chapter 4. UPDATING FIRMWARE 4.1 Updating Firmware via the Internet TO ENSURE OPTIMAL PERFORMANCE, IT IS IMPORTANT TO OPERATE THE CDM‐800 WITH ITS LATEST AVAILABLE FIRMWARE. The CDM‐800 Gateway Router is factory‐shipped with its latest version of operating firmware. If a firmware update is needed, it can be acquired over satellite; by download from the Comtech EF Data Web site (www.comtechefdata.
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CDM-800 Gateway Router Updating Firmware 4.2 Revision 1 MN-CDM800 Getting Started: Preparing for the Firmware Download 1. First, identify the CDM‐800 assigned Management IP Address, and the firmware number/ revision letter/version number. User‐supplied items needed: • A Microsoft Windows‐based PC, equipped with available serial and Ethernet ports; a compatible Web browser (e.g., Internet Explorer); and a terminal emulator program (e.g., Tera Term or HyperTerminal).
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CDM-800 Gateway Router Updating Firmware Revision 1 MN-CDM800 See Chapter 6. SERIAL‐BASED REMOTE PRODUCT MANAGEMENT for information and instructions on using the CDM‐800 Serial Command Line Interface. E. Alternately, use the CDM‐800 Web Server Interface to obtain the firmware information. • Use an Ethernet hub, switch, or direct cable connection to connect the CDM‐800 ‘FE’ 10/100 Fast Ethernet port to the PC. • On the PC: Use a Web browser (e.g.
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CDM-800 Gateway Router Updating Firmware Revision 1 MN-CDM800 There are several ways the user may use create a temporary folder on a Windows‐based PC: A. Use the Windows Desktop to create and rename the temporary folder. • Right‐click anywhere on the desktop to open the popup submenu, and then select New > Folder to create the temporary folder. The new folder will be created on the desktop. • Right‐click on the new folder and then select Rename from the popup submenu.
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CDM-800 Gateway Router Updating Firmware Revision 1 MN-CDM800 D. Use Windows Command‐line to create the temporary folder. • First, click [Start] on the Windows taskbar, and then click the Run... icon (or, depending on Windows OS versions prior to Windows 95, click the MS‐DOS Prompt icon from the Main Menu). • Next, open a Command‐line window… o For Windows 95 or Windows 98 – Type “command”. o For any Windows OS versions later than Windows 98 – Type “cmd” or “command”.
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CDM-800 Gateway Router Updating Firmware 4.3 Revision 1 MN-CDM800 Downloading and Extracting the Firmware Update 1. First, download the firmware update archive file from the Comtech EF Data Web site: A. Go online to www.comtechefdata.com. B. On the Main page – under Support Information or the Support tab, select the Software Downloads hyperlink. C. On the Software Downloads page – click Download Flash and Software Update Files. D.
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CDM-800 Gateway Router Updating Firmware Revision 1 MN-CDM800 o Click [Open] to turn over file extraction to the user‐supplied utility program. Be sure to extract the firmware files to the “temp” folder created earlier. o Click [Save] to open the ‘Save As’ window. Be sure to select and [Save] the archive *.exe or *.zip file to the “temp” folder created earlier. o Otherwise, click [Cancel] to quit and exit the file download process. 2. Next, extract the firmware files from the archive file.
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CDM-800 Gateway Router Updating Firmware • Revision 1 MN-CDM800 Type “dir” to list the files extracted to the temporary directory from the downloaded archive file. The firmware files have been successfully downloaded and are now available for transfer to the CDM‐800. 4.
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CDM-800 Gateway Router Updating Firmware • Revision 1 MN-CDM800 Once the Management IP address is known – use Command‐line to PING: Type “ping xxx.xxx.xxx.xxx” at the Command‐line prompt (where ‘xxx.xxx.xxx.xxx’ is the unit Management IP Address). The response should confirm whether or not the unit is properly connected and communicating. 2. Use Command‐line to transfer (FTP) the files from the user PC to the CDM‐800: • Type "ftp xxx.xxx.xxx.xxx" (where ‘xxx.xxx.xxx.
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CDM-800 Gateway Router Updating Firmware Revision 1 MN-CDM800 B. Reboot the CDM‐800: • Go to either the Web Server Interface ‘Admin | Firmware’ page or the ‘Utility | Reboot’ page. • Click [Reboot] (in the System Reboot section) and [OK] when prompted, and then wait while the CDM‐800 reboots. The CDM‐800 is now operating with its latest firmware. The firmware update process is now complete.
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Chapter 5. ETHERNET-BASED REMOTE PRODUCT MANAGEMENT 5.1 Introduction Ethernet‐based Remote Product Management of the CDM‐800 Gateway Router is available using the rear panel ‘FE’ RJ‐45 10/100 BaseT Fast Ethernet M&C port. 1. TO PROCEED WITH ETHERNET‐BASED REMOTE PRODUCT MANAGEMENT (SNMP OR WEB SERVER), ASSUMPTIONS ARE MADE THAT: • The CDM‐800 is operating with the latest version firmware files.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.2 Revision 1 MN-CDM800 Ethernet Management Interface Protocols The user PC facilitates access to Ethernet‐based remote monitor and control (M&C) of the CDM‐800 through two separately‐operated protocols: • Simple Network Management Protocol (SNMP). This requires a user‐supplied Network Management System (NMS) and a user‐supplied Management Information Base (MIB) File Browser. • The CDM‐800 Web Server (HTTP) Interface.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.3 Revision 1 MN-CDM800 SNMP Interface The Simple Network Management Protocol (SNMP) is an Internet‐standard protocol for managing devices on IP networks. An SNMP‐managed network consists of three key components: • The managed device. This includes the CDM‐840 Remote Router. • The SNMP Agent. The software that runs on the CDM‐840. The CDM‐840 SNMP Agent supports both SNMPv1 and SNMPv2c.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 The user defines two Community Strings for SNMP access: • Read Community default = public • Write Community default = private For proper SNMP operation, the CDM‐800 MIB files must be used with the associated version of the CDM‐800 router M&C. Refer to the CDM‐800 FW Release Notes for information on the required FW/SW compatibility. 5.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 5.4.2 Web Server Interface – Operational Features 5.4.2.1 Virtual Front Panel The CDM‐800 Web Server Interface features a read‐only ‘Virtual Front Panel’ (VFP) at the top of every page. This section emulates the CDM‐800 front panel real‐time LED operation. These virtual LEDs provide ‘heads‐up’ operational status indicators that react to any changes made to unit operation. 5.4.2.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 All execution buttons serve the same purpose – to save the configuration changes to flash memory, or to execute an update of the active page display. Always make sure to click the execution button before selecting another Web page. Any changes made on that previous page will not be saved if the execution button for those functions Is not clicked. 5.4.2.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 5.4.3 Web Server Interface – Menu Tree The tree diagram blocks that are marked with (*) denote pages that are functional only when that particular FAST feature has been purchased and activated. Blocks that are marked with (**) denote pages that are functional only when a VIPERSAT MANAGEMENT SYSTEM (VMS) is installed and is recognized as operational.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 5.4.4 Web Server Interface Page Descriptions Access to and availability of certain CDM-800 Web Server Interface pages is dependent upon the FAST options purchased for operation as well as the detected presence of auxiliary products (e.g., VIPERSAT Management System, Redundancy Switches, etc.) installed and configured for use with the CDM-800.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.1.2 Revision 1 MN-CDM800 Home | Contact Use this page to reference basic contact information needed to reach Comtech EF Data Sales and Customer Support via phone, fax, or Web/e‐mail hyperlinks. Figure 5‐2.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.2 Revision 1 MN-CDM800 Admin (Administration) Pages Use these pages to set up user access, manage the firmware load preferences, and activate FAST features. The Admin pages are available only to users who have logged in using the Administrator Name and Password. Click the Access, SNMP, FAST, Firmware, Auto Logout, or VMS tab to continue. 5.4.4.2.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.2.2 Revision 1 MN-CDM800 Admin | SNMP Sect. 5.3 SNMP Interface Use this page to set up and return administration information for the CDM‐800 Simple Network Management Protocol (SNMP) feature. Figure 5‐4. Admin | SNMP page SNMP Configuration THE SNMP TRAP DESTINATION IP ADDRESS FEATURE IS A FUTURE OFFERING. IT IS NON‐ FUNCTIONAL AT THIS TIME. • Enter an SNMP Read Community string.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.2.3 Revision 1 MN-CDM800 Admin | FAST Appendix A. FAST The CDM‐800 has a number of optional features that may be activated after purchase of the unit. Fully Accessible System Topology (FAST) Access Codes are unique authorization codes that may be purchased from Comtech EF Data during normal business hours, and then loaded into the unit using this page. Figure 5‐5.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 The complete roster of FAST Accessible Options is as follows: Option Compression Hardware Payload Compression Card (CEFD KIT P/N KT-0000249) Tx Symbol Rate (VCM) Up to maximum 62 Msps Tx Header Compression Enabled Tx Payload Compression Enabled QoS (Quality of Service) Group QoS G.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.2.4 Revision 1 MN-CDM800 Admin | Firmware Chapter 4. UPDATING FIRMWARE Use this page to select which image (boot Slot #) is to be designated as the active running firmware image – i.e., the version loaded for operation upon power‐up or soft reboot. Figure 5‐6. Admin | Firmware page Slot Information This read‐only status section displays operating status for the firmware versions loaded into Slot #1 and Slot #2.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.2.5 Revision 1 MN-CDM800 Admin | Auto Logout Use this page to incorporate the Auto Logout security measure. Figure 5‐7. Admin | Auto Logout page Auto Logout Configuration Set an automatic logout time to safeguard access to an already logged‐in unit: • Enter a value from 1 to 15 minutes into the Logout Time box to configure this feature. • Enter a value of 0 to disable this feature.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.2.6 Revision 1 MN-CDM800 Admin | VMS The VMS page is operational only when the optional VIPERSAT MANAGEMENT SYSTEM (VMS) is installed and operational. VMS v3.x.x VIPERSAT Management System User Guide (CEFD P/N MN/22156) Figure 5‐8. Admin | VMS page Vipersat Management System Configuration The acceptable/valid operating ranges for items in this section are provided in parentheses.
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CDM-800 Gateway Router Ethernet-based Remote Product Management • Revision 1 MN-CDM800 Management Multicast IP Port – The Multicast Address is the NMS Multicast IP address assigned to all Gateway Routers in the Vipersat network that are managed by the VMS. This address must match the VMS Transmit Multicast Address. Typical for each item, click [Submit] to save the setting change.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.3 Revision 1 MN-CDM800 Configuration Pages Use the nested ‘Configuration’ pages to configure all unit parameters. Click the Interface, Mod, ARP, Routing, Compression, or WAN tab to continue. 5.4.4.3.1 Configuration | Interface Click the FE Mgt, GE‐1, or GE‐2 tab to continue. 5.4.4.3.1.1 Configuration | Interface | FE Mgt Use this page to configure the rear panel ‘FE’ 10/100 BaseT Fast Ethernet M&C port. Figure 5‐9.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 * Auto is the recommended configuration selection. • Negotiated Link Mode (read‐only) – The actual negotiated line speed and duplex setting for the FE Interface is displayed here. The viewable settings are: o o 10 BaseT / Full Duplex 10 BaseT / Half Duplex o o 100 BaseT / Full Duplex 100 BaseT / Half Duplex Set the desired configurations on this page. Click [Submit] to save. 5.4.4.3.1.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.3.2 Revision 1 MN-CDM800 Configuration | Mod (Modulator) The upper range of Symbol Rate selection requires activation of the ‘TRANSMIT SYMBOL RATE’ FAST option. Use this page to configure CDM‐800 Tx modulator operations. Figure 5‐11. Configuration | Mod page Modulator The acceptable/valid operating range for each item in this section is provided in parentheses.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 • FEC Type – At present, DVB‐S2 is the sole available FEC type. • Tx Frequency (950 to 2150 MHz for L‐Band, 50 to 180 MHz for IF) – Enter the Tx frequency in MHz. • Frame – Use the drop‐down menu to select the Frame type as Normal or Short. This field will be forced to Normal if any MODCOD enabled in Group QoS (see Sect. 5.4.4.3.5.1) has a code rate of 9/10. • Pilots (read‐only) – This feature is always ON.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.3.3 Revision 1 MN-CDM800 Configuration | ARP Use this page to configure the CDM‐800 ARP (Address Resolution Protocol) parameters. Figure 5‐12. Configuration | ARP page Add Static ARP Enter the desired IP and MAC addresses. Click [Add Entry] when done. The Index column automatically increments to the next available number when the specified static ARP entry is added to the ARP Table.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 • Index (read‐only) – This is the internal table index and it cannot be edited. • IP – Entry IP Address, format XXX.XXX.XXX.XXX. • MAC – Entry MAC Address, format YY:YY:YY:YY:YY. • Type (read‐only) – The entry Type is identifiable as Static or Dynamic and cannot be edited. Make the desired IP and MAC Address edits. Click [Submit Changes] to save. 5.4.4.3.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 • Description – Enter a label string in this text box. This label helps to maintain the network. The assigned name must be unique and cannot contain any whitespace. • Dest. IP/Mask – Enter a Destination IP Address/Mask in the form XXX.XXX.XXX.XXX/YY. Multicast addresses must have a subnet of 32. • Interf. – Use the drop‐down menu to select the Interface as toWAN or toLAN.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.3.5 Revision 1 MN-CDM800 Configuration | Compression Use the ‘Configuration | Routing | Routes’ page (Sect. 5.4.4.3.4) to enable or disable Header and Payload Compression operation. Use this page to configure the optional Payload and Header Compression FAST feature, if installed. Figure 5‐14.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.3.5.1 Revision 1 MN-CDM800 Configuration | WAN | QoS The appearance of this page changes depending on the selected QoS Control Mode. (Top) Page with QoS Control Mode = OFF (Bottom) Page with QoS Control Mode = DiffServ (Banner, VFP, Menu Bar not shown) Figure 5‐15.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 (Top) Page with QoS Control Mode = Max/Pri(ority) (Bottom) Page with QoS Control Mode = Min/Max (Banner, VFP, Menu Bar not shown) Figure 5‐16.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 The following page sections are typical for all active QoS configurations. Add / Change / Delete Group Use the controls provided at the top and far right of this section to create / add new QoS configuration groups. The remainder of this section displays previously created groups, numbered in the order of creation.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 Comments) standards. The ‘Configuration | WAN | QoS’ page appears as shown in the bottom example in Figure 5‐15. o Max/Pri(ority) – This mode provides multi‐level traffic prioritization with the ability to limit maximum traffic per priority class. The ‘Configuration | WAN | QoS’ page appears as shown in the top example in Figure 5‐16.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 Remote Attribute This table displays Remote Attribute Value for the active group. • Index – The automatically‐assigned internal index number for the group is identified here. • Type – At present, Subnet is the only available attribute. • Value – This is the assigned subnet, in xxx.xxx.xxx.xxx/yy format. Differentiated Services Table The Differentiated Services table appears only when QoS Control Mode = DiffServ.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 The option is provided to configure each queue to one of the following attributes. The acceptable/valid operating ranges are provided in this section in parentheses, where applicable. • Service Rate (Kbps) (0.000 / (Tx Data Rate)) – The minimum bandwidth will be served first among the Assured Forwarding (ASFD) classes in case of bandwidth availability once Class Selector 7 through Class Selected 1 have been serviced.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 QoS Rules Per Group Table (Edit) This read‐only section displays all existing QoS Rules Per Group Table entries. For the ‘Max/Pri(ority)’ page: For the ‘Min/Max’ page: From left to right: • Index – The automatically‐assigned specific rule internal index number is identified here. • Protocol – The protocol for the specific rule is identified here.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 Add / Delete Per Group QoS Rule Refer to the QoS Rules Per Group (Edit)Table section for the description of each column. • To delete an existing rule: For either page, Enter Rule Index to Delete. Click [Delete Rule] • • when done. This deletes the specified entry from the QoS Rules Per Group Table. To add a new rule: For either page, enter or select the desired information. Click [Add Rule] when done.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.4 Revision 1 MN-CDM800 Status Pages The Status pages provide status, event logging, and operational statistics windows. Click the Statistics or Monitor tab to continue. 5.4.4.4.1 Status | Statistics Pages Click the Traffic, Router, Compression, or QoS tab to continue. 5.4.4.4.1.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 Column Description UC Pkts Rcvd Unicast packets received. MC Pkts Xmitted Multicast packets transmitted. MC Pkts Rcvd Multicast packets received. Current Xmitted (Kbps) Most recent transmitted data rate (in kilobits per second). Current Rcvd (Kbps) Most recently received data rate (in kilobits per second). Maximum Xmitted (Kbps) Peak transmitted data rate (in kilobits per second).
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.4.1.2 Revision 1 MN-CDM800 Status | Statistics | Router Use this page to view cumulative traffic information. Figure 5‐18. Status | Statistics | Router page Clear Statistics Click [Clear] to clear all operational statistics from the buffer. Interface Counters / Router Counters / Management Counters For each section: Click [Refresh] to update the section with its latest available statistics.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 5.4.4.4.1.3 Status | Statistics | Compression This page is operational only when the optional Tx and Rx Payload and Header are installed and enabled. Use this page to view read‐only cumulative WAN, Payload Compression, and Header Compression statistics. Figure 5‐19. Status | Statistics | Compression page Clear Compression Counters Click [Clear] to clear all compression statistics from the buffer.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 5.4.4.4.1.4 Status | Statistics | QoS The appearance of this page changes depending on the selected QoS Control Mode. (Top) Page with QoS Control Mode = OFF, Max/Pri(ority), or Min/Max (Bottom) Page with QoS Control Mode = DiffServ (Banner, VFP, Menu Bar not shown) Figure 5‐20.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 The Clear Statistic, Total For All Groups, Group Table, and Clear QoS Counters sections are typical for all ‘Status | Statistic | QoS’ page configurations. Clear Statistic Click [Clear] to clear all operational statistics from the buffer. Total For All Groups See the ‘Configuration | WAN | QoS’ page for the definition of the terms used in this table.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 QoS Statistics The appearance of the QoS Statistics section differs depending on the active page configuration. See the ‘Configuration | WAN | QoS’ page for the definition of the terms used in this table. Click [Refresh] to update the QoS Statistics section with the latest available statistics.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 5.4.4.4.1.5 Status | Statistics | VCM (Variable Coding and Modulation) VCM allows different MODCODs for different users and applications sharing a common outbound. The MODCODs are statically assigned based on link budget. Use this page to view read‐only cumulative VCM statistics. Figure 5‐21. Status | Statistics | VCM page Clear Counters Click [Clear] to clear all VCM statistics from the buffer.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 Column Description Percentage of Total (%) Percentage of the total number of DVB-S2 base band frames transmitted. Average Throughput (kbps) Amount of data in Kbps being transmitted through this MODCOD. Max Throughput (kbps) Maximum amount of data in Kbps transmitted through this MODCOD. Click [Refresh] to update this table with the latest available VCM statistics.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.4.2 Revision 1 MN-CDM800 Status | Monitor page Use this page to view the unit temperature, alarms summary, plus a scrollable read‐only window that displays any events and alarms as logged by the unit during normal operation. Figure 5‐22. Status | Monitor page System Monitor This section provides the operating temperature of the unit (°C). Click [Refresh] to update this display.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.5 Revision 1 MN-CDM800 Utility Pages Click the Utility or Reboot tab to continue. 5.4.4.5.1 Utility | Utility Use this page to access a variety of top‐level system operation controls, stored unit configurations, and test utilities. Figure 5‐23.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 Modem • Unit Name – The product (e.g., CDM‐800) is identified here. • System Contact / System Location – E‐mail and telephone contact information for Comtech EF Data Customer Support are provided here. Enter the desired settings. Click [Submit] to save. • Set Time (hh:mm:ss) – Use the HH:MM:SS time format to set the time, where HH=hour [00 to 23]; MM=minutes [00 to 59]; and SS=seconds [00 to 59]).
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CDM-800 Gateway Router Ethernet-based Remote Product Management • Revision 1 MN-CDM800 o Then, use the top (Save) Select Location dropdown to select 1 through 10. o Finally, click [Save Configuration] to store the configuration settings. To load (recall) a configuration set: o First, use the bottom (Load) Select Location dropdown to select 1 through 10. o Then, click [Load Configuration] to recall the selected configuration settings.
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CDM-800 Gateway Router Ethernet-based Remote Product Management 5.4.4.5.2 Revision 1 MN-CDM800 Utility | Reboot Use this page to perform a soft reboot of the CDM‐800. Note that the function of this page is identical to the System Reboot section of the ‘Admin | Firmware’ page described earlier. Figure 5‐24. Utility | Reboot page System Reboot Click [Reboot] to reboot the unit.
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CDM-800 Gateway Router Ethernet-based Remote Product Management Revision 1 MN-CDM800 Notes: 5–48
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Chapter 6. SERIAL-BASED REMOTE PRODUCT MANAGEMENT 6.1 Introduction Serial‐based Remote Product Management of the CDM‐800 Gateway Router is available using the rear panel ‘CONSOLE’ port. 1. To proceed with Serial‐based Remote Product Management, assumptions are made that: • The CDM‐800 Gateway Router is operating with the latest version firmware files.
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CDM-800 Gateway Router Serial-based Remote Product Management Revision 1 MN-CDM800 2. USE OF THE SERIAL‐BASED REMOTE PRODUCT MANAGEMENT INTERFACE IS RECOMMENDED ONLY FOR ADVANCED USERS. ALL OTHER USERS ARE STRONGLY ENCOURAGED TO USE THE CDM‐800 WEB SERVER INTERFACE FOR MONITOR AND CONTROL (M&C) OF THE CDM‐800. SEE CHAPTER 5. ETHERNET‐BASED REMOTE PRODUCT MANAGEMENT. Figure 5-1.
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CDM-800 Gateway Router Serial-based Remote Product Management Revision 1 MN-CDM800 When the user‐supplied terminal emulator program is configured correctly, upon power‐up of the CDM‐800, the CLI Info Screen appears, followed by the CLI command prompt CDM‐800>. From here, type “help[cr]” or “?[cr]” (without the quotes) to display the CDM‐800 available commands and queries, and to review instructions for using the interface. 6.2 Remote Commands and Queries Overview 6.2.
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CDM-800 Gateway Router Serial-based Remote Product Management Revision 1 MN-CDM800 Controller-to-Target (Issued Command or Query) Start of Packet Target Address Address Delimiter < ASCII code 60 0000 (default) / ASCII code 47 (1 character) (4 characters) (1 character) Packet Example: Instruction Code Code Qualifier Optional Arguments = or ? ASCII codes 61 or 63 (3 characters) (1 character) End of Packet Carriage Return ASCII code 13 (n characters) (1 character) Optional Arguments End of
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CDM-800 Gateway Router Serial-based Remote Product Management 6.2.2.2 Revision 1 MN-CDM800 Target Address In EIA‐232 applications, this value is set to 0000. The Target Address designates the packet destination. The Controller does not have its own address. After the Controller sends a packet with the designated Target Address, the Target responds to the Controller, using this same address, to indicate the source of the packet. 6.2.2.
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CDM-800 Gateway Router Serial-based Remote Product Management 6.2.2.5 Revision 1 MN-CDM800 Instruction Code Qualifier This is a single character that further qualifies the preceding instruction code. Code Qualifiers obey the following rules: From Controller‐to‐Target, the only permitted characters are: Character Definition = (ASCII code 61) This character is used as the Assignment Operator (AO).
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CDM-800 Gateway Router Serial-based Remote Product Management Revision 1 MN-CDM800 Character Definition ! (ASCII code 33) If the Controller sends an instruction code that the Target does not recognize, the Target responds by echoing the invalid instruction, followed by ! Example: CMD! 6.2.2.
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CDM-800 Gateway Router Serial-based Remote Product Management 6.3 Revision 1 MN-CDM800 Remote Commands and Queries The Serial Command Line interface (CLI) (the Controller), shown previously in Figure 5‐1, is used to issue remote commands and queries to the CDM‐800 (the Target). From the CLI command prompt CDM‐800> type in the command or query packet, using the format explained previously, for transmission to the CDM‐800.
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CDM-800 Gateway Router Serial-based Remote Product Management Revision 1 MN-CDM800 These Instruction Codes are explained in complete detail in the tables that follow. Note that the Target‐to‐Controller Instruction Code Qualifiers, described earlier, that appear in the “Response to Command” column carry the following meanings: = ? * # ! Parameter Type Default Passwords GE1 Address Message OK. Received OK, but invalid arguments were found. Message OK, but not permitted in current mode.
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CDM-800 Gateway Router Serial-based Remote Product Management Parameter Type GE2 Address Command (Instruction & Qualifier) IG2= Management IP Address IPA= GE1 Link Configuration LC1= GE2 Link Configuration LC2= Number of Arguments Revision 1 MN-CDM800 Description of Arguments 18 bytes numerical Command or Query. Sets the IP Address and network prefix for the 10/100/1000 BaseT GE2 Ethernet port, in the form aaa.bbb.ccc.
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CDM-800 Gateway Router Serial-based Remote Product Management Parameter Type Management MAC Address Command (Instruction & Qualifier) N/A GE1 MAC Address N/A GE2 MAC Address N/A Management Link Configuration MLC= Actual Negotiated Port Speed N/A SNMP Read Community SRC= SNMP Write Community SWC= Number of Arguments Revision 1 MN-CDM800 Description of Arguments 12 bytes, alphanumerical Query only. Returns the unique MAC Address for the modem.
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CDM-800 Gateway Router Serial-based Remote Product Management Revision 1 MN-CDM800 Notes: 6–12
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Appendix A. FAST A.1 FAST Overview The CDM‐800 Gateway Router incorporates a number of optional features. In order to permit a lower initial cost, the unit may be purchased with only the desired features enabled. If, at a later date, the user wishes to upgrade the functionality of a unit, Comtech EF Data provides Fully Accessible System Topology (FAST), which permits the purchase and installation of options through special authorization codes.
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CDM-800 Gateway Router Appendix A A.2 Revision 1 MN-CDM800 FAST Activation via the Web Server Interface Refer to Sect. 5.4.4.2.3 Admin | FAST for the complete information on using the CDM‐800 Web Server Interface to activate FAST Features. Figure A‐1. CDM‐800 Web Server (HTTP) Interface – ‘ADMIN | FAST’ page The CDM‐800 Web Server Interface ‘Admin | FAST’ page (Figure A‐1) is used for complete management of FAST Features.
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Appendix B. FEC (FORWARD ERROR CORRECTION) B.1 Introduction The method of FEC (Forward Error Correction) used by the CDM‐800 Gateway Router is based upon the DVB‐S2 standard for QPSK, 8PSK, 16APSK and 32APSK with concatenated Low Density Parity Code (LDPC) and Bose‐Chaudhuri‐Hocquenghem (BCH). B.2 DVB-S2: LDPC and BCH The DVB‐S2 specification has defined a new generation of performance that boosts throughput by about 30% over DVB‐S using the same amount of bandwidth.
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CDM-800 Gateway Router Appendix B Revision 1 MN-CDM800 • DVB‐S2 standard: "Quasi Error Free" (QEF) is defined as "less than one uncorrected error‐event per transmission hour at the level of a 5 Mbits/s single TV service decoder", approximately corresponding to a Transport Stream Packet Error Ratio equal to a PER<10‐7 before demultiplexer. A packet is defined as block of 188 byte MPEG frame size data. • Es/No vs. Eb/No: The DVB‐S2 standard commonly refers to the use of Es/No instead of Eb/No.
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CDM-800 Gateway Router Appendix B Revision 1 MN-CDM800 Figure B-1.
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CDM-800 Gateway Router Appendix B Revision 1 MN-CDM800 Figure B-2.
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CDM-800 Gateway Router Appendix B Revision 1 MN-CDM800 Figure B-3.
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CDM-800 Gateway Router Appendix B Revision 1 MN-CDM800 Figure B-4.
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METRIC CONVERSIONS Units of Length Unit Millimeter Centimeter Inch Foot Yard Meter Kilometer Mile 1 millimeter 1 0.1 0.0394 0.0033 0.0011 0.001 1 x 10-6 6.214 x 10-7 1 centimeter 10 1 0.3937 0.0328 0.0109 0.01 1 x 10-5 6.214 x 10-6 1 inch 25.4 2.54 1 0.0833 0.0278 0.0254 2.54 x 10-5 1.578 x 10-5 1 foot 304.8 30.48 12 1 0.3333 0.3048 3.048 x 10-4 1.894 x 10-4 1 yard 914.4 91.44 36 3 1 0.9144 9.144 x 10-4 5.682 x 10-4 1 meter 1000 100 39.37 3.2808 1.
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