Comtec CDM-840 Network Router Manuals

Manuals and User Guides for Comtec CDM-840 Network Router. We have 1 Comtec CDM-840 Network Router manual available for free PDF download: Installation And Operation Manual

Comtec CDM-840 Installation And Operation Manual (372 pages)

Advanced VSAT Series Remote Router

Brand: Comtec | Category: Network Router | Size: 7 MB

Table of Contents
8
Figure 1-1. CDM-840 Remote Router
33
Figure 1-2. Advanced VSAT Series Network Topology Example
33
Features

36
- Physical Description
  36
  - Standard Assemblies
    36
  - Optional Assemblies
    36
- Dimensional Envelope
  37
- Figure 1-3. CDM-840 Dimensional Envelope
  37
- Physical Features
  38
- On-Site Firmware Updates
  41
- On-Site Operational Upgrades
  41
- Monitor and Control Interfaces
  41
Specifications

42
- Product Features
  42
- Physical, Power, and Environmental
  42
- Modulator
  43
  - Transmit
    43
  - Block up Converter (BUC) Support
    44
- Demodulator
  44
  - Receive
    44
  - Low Noise Block down Converter (LNB) Support
    45
- BER (Bit Error Rate)
  46
  - BER Monitor Functions
    46
- Regulatory Compliance
  46
Chapter 2. Installation

47
Unpack and Inspect the Shipment

47
- Figure 2-1. Unpack and Inspect the Shipment
  47
Install the Unit into a Rack Enclosure

48
Chapter 3. Rear Panel Connections

53
Overview - Cabling Connection Types

53
- Figure 3-1. Coaxial Connector Examples
  54
- Figure 3-2. D-Subminiature Connector Examples
  56
Cabling Connections

57
- Table 3-1. CDM-840 Rear Panel Connectors
  57
CDM-840 Ground and Power Connections

63
Chapter 4. Updating Firmware

69
Firmware Update Overview

69
Getting Started: Prepare for the Firmware Download

70
Download and Extract the Firmware Update

74
Perform the Ethernet FTP Upload Procedure

76
Chapter 5. Fast Activation Procedure

79
FAST Overview

79
FAST Activation Via the HTTP Interface

80
- Figure 5-1. CDM-840 HTTP Interface - 'Admin | FAST' Page
  80
  - 5.2.1 FAST Configuration
    81
  - 5.2.2 FAST Upgrade
    82
Chapter 6. Ethernet-Based Remote Product Management

83
Overview

83
Ethernet Management Interface Protocols

84
HTTP Interface

92
- Home
  92
  - Home | Home
    92
  - Figure 6-4. Home | Home Page
    92
  - Home | Contact
    93
  - Figure 6-5. Home | Contact Page
    93
- Admin (Administration)
  94
  - Admin | Access
    94
  - Figure 6-6. Admin | Access Page
    94
  - Admin | SNMP
    95
  - Figure 6-7. Admin | SNMP Page
    95
  - Admin | FAST
    96
  - Figure 6-8. Admin | FAST Page
    96
  - Admin | Firmware
    97
  - Admin | Auto Logout
    98
  - Admin | VMS
    99
- Configuration
  101
- Status
  148
  - Status | Statistics
    148
    
    Status | Statistics | Traffic
    148
    
    Status | Statistics | Network / Router
    150
    
    Status | Statistics | Compression
    151
    
    Status | Statistics | Qos
    152
    
    Page Functionality Common for All Qos Control Modes
    153
    
    Page Functionality Specific to Active Qos Control Mode
    154
    
    Status | Statistics | E1 Pages (CDM-840 Only)
    155
    
    Status | Statistics | E1 | Transmit
    155
    
    Status | Statistics | E1 | Receive
    156
    
    Status | Statistics | Trending (CDM-840 Only)
    158
  - Status | Monitor
    160
    
    Status | Monitor | Events
    160
    
    Status | Monitor | Alarms
    161
- Utility
  163
  - Utility | Utility
    163
  - Utility | Carrier ID
    166
  - Utility | Reboot
    167
Chapter 7. Serial-Based Remote Product Management

169
Overview

169
Remote Commands and Queries Overview

171
- Basic Protocol
  171
- Packet Structure
  172
  - Start of Packet
    173
  - Target Address
    173
  - Instruction Code
    173
  - Instruction Code Qualifier
    173
    
    7.2.2.5.1 Controller-To-Target Instruction Code Qualifiers
    174
    
    7.2.2.5.2 Target-To-Controller Instruction Code Qualifiers
    174
  - Optional Message Arguments
    175
  - End of Packet
    176
Remote Commands and Queries

177
Appendix A. Reference Documentation

203
Overview

203
FEC (Forward Error Correction) Options

204
ACM/VCM (Adaptive Coding and Modulation / Variable Coding and Modulation) Operation

205
BPM (Bridge Point-To-Multipoint) Operation

206
ECM (Entry Channel Mode) Operation

207
Dmesh (VMS Dynamic Mesh) Connectivity

208
DPC (VMS Dynamic Power Control) Operation

209
Appendix B. Fec (Forward Error Correction) Options

211
FEC Overview

211
DVB-S2: LDPC and BCH

211
- Range of Data Rates
  212
- BER, QEF, Eb/No, Es/No Spectral Efficiency, and Occupied Bandwidth
  212
Versafec (Short-Block LDPC

213
- Range of Data Rates
  214
Rx/Tx Error Performance Characteristics

214
- Table B-1. the Versafec Modcod Set
  214
Appendix C. Data Collection

223
Data Collection Overview

223
Initial Setup of Communications between the CDM-840 and the User PC

225
Collect the Pre-Reboot Diagnostic Information from the CDM-840

226
Collect and Report the Post-Reboot Diagnostic Information from the CDM-840

227
Serial Adapter Cable Fabrication Specifications Reference

229
Appendix D. Versafec Return Link Acm (Adaptive Coding and Modulation) Option

231
Functional Overview

231
Versafec ACM

235
CDM-840 Versafec ACM Operation

235
- Versafec ACM Operation Using the HTTP Interfaces
  235
- Troubleshooting
  238
- Monitoring ACM Performance
  238
- Modcod Switch Points
  238
ACM Congestion Control

239
Notes and Recommendations

240
Summary of Specifications

241
Appendix E. Bpm (Bridge Point-To-Multipoint) Operation

243
Functional Overview

243
- BPM Terminology
  244
Supported Network Configurations

245
- Flat Network
  245
- Flat Network with Routers
  245
- VLAN Trunking
  246
Packet Processing

246
- Traffic Network / Ethernet Switch Behavior
  246
- Management Network
  247
IEEE 802.1Q Support

248
- VLAN Trunking
  248
- Access Mode Support
  248
- Multiple VLAN Tagging Support
  249
Multicast BPM Behavior

249
- Multicast Management/Routed Behavior (no Change
  250
BPM and Group Qos with Outbound ACM/VCM

250
Hub Network Configuration

251
Compatible Features and Detailed Specifications

255
Summary

256
Appendix F. Carrier ID (Dvb-CID Metacarrier

257
Functional Overview

257
- About Metacarrier
  257
- Functional Description
  258
CDM-840 Carrier ID Operation

259
- CID Operation - CDM-840 HTTP Interface
  259
- CID Operation - Serial Remote Control
  262
Appendix G. Ecm (Entry Channel Mode

265
Functional Overview

265
- ECM Terminology
  265
- ECM Overview
  266
- ECM Message Processing
  269
ECM Operational Scenarios

271
- Scenario 1 - VMS Initial Registration Process
  271
- Scenario 2 - Reverted or Auto-Recovered Messages
  271
  - G.2.2.1 ECM Revert Cycle Timing
    272
  - G.2.2.2 Ecmv2 Backoff Algorithm
    272
ECM Operation

274
- ECM Operation - CDM-840 Serial Remote Control
  275
- ECM Operation - HTTP Interfaces
  276
  - G.3.2.1 CDM-840 HTTP Operation - Remote Router Terminals
    278
  - HTTP Operation - Hub Channel Controller (HCC
    281
    
    Tap Message
    282
    
    HCC Configuration
    283
Appendix H. Header and Payload Compression

285
Functional Overview

285
CDM-840 Header and Payload Compression Operation

288
Appendix J. Return Group Qos (Quality of Service

295
Overview

295
Qos Groups

301
- Qos Group Matching
  301
- Maximum Clipping
  316
- Minimum Data Rate
  316
Qos Statistics Reporting

319
Appendix K. Ran/Wan Optimization

321
Overview

321
- K.1.2 RAN Inefficiency
  322
E1 RAN Optimization

323
- K.2.1 Process Overview
  324
  - Traffic Throughput (Kbps) Graph
    330
  - RAN Link Quality Graph
    330
  - Ranop Savings Graph
    331
Appendix L. Dmesh (Vms Dynamic Mesh) Solutions

333
Overview

333
Operational Features

334
- VMS (Vipersat Management System
  334
- Return Link Versafec® ACM (Adaptive Coding and Modulation
  336
  - Versafec
    336
  - ACM (Adaptive Coding and Modulation
    336
    
    ACM and Dmesh
    337
    
    ACM and DPC (Dynamic Power Control
    337
Operational Example

338
- Requirements for Bandwidth-On-Demand and Dmesh with SHOD (Single Hop on Demand
  338
- Dmesh Operation
  338
  - Create a Distribution List
    339
Summary

343
- Table L-1. Comtech EF Data Product Compatibility Reference
  343
Compatibility

343
Appendix M. Dpc (Vms Dynamic Power Control

345
Overview

345
- M.1.1 Background
  346
Theory of Operation

346
- M.2.1 about DPC
  346
- M.2.2 DPC Functionality
  347
  - Entrance Link Cabling
    347
  - Operational Essentials
    348
    
    Power Reference
    348
    
    Rated Maximum Power
    349
    
    Reference Calibration
    349
    
    Target Power
    349
    
    Terminal Maximum Power
    349
- M.2.3 DPC Operational Considerations
  351
  - Adaptive Control Loop (ACL) Components
    352
    
    Closed Loop Mechanism
    353
    
    ACL Timers
    354
  - LQRM Failure and Recovery Steps
    355
  - DPC with ACM
    356
  - Terminal Maximum Power
    357
  - DPC with ACM and Hub Backoff
    358
  - Hub Fade Control
    359
- M.2.4 Roaming with DPC
  360
DPC Operation

361
- M.3.1 DPC Operation Using the HTTP Interfaces
  362
  - Configure DPC
    363
  - Power Reference in DPC Operation
    364
    
    Set Power Reference
    364
  - DPC - Status Reporting
    368
  - DPC - Operational Changes
    368
Firmware Update

369
Final Considerations

369

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Comtec CDM-840 Network Router Manuals

Comtec CDM-840 Installation And Operation Manual (372 pages)

Table of Contents

Features

Specifications

Chapter 2. Installation

Unpack and Inspect the Shipment

Install the Unit into a Rack Enclosure

Chapter 3. Rear Panel Connections

Overview - Cabling Connection Types

Cabling Connections

CDM-840 Ground and Power Connections

Chapter 4. Updating Firmware

Firmware Update Overview

Getting Started: Prepare for the Firmware Download

Download and Extract the Firmware Update

Perform the Ethernet FTP Upload Procedure

Chapter 5. Fast Activation Procedure

FAST Overview

FAST Activation Via the HTTP Interface

Chapter 6. Ethernet-Based Remote Product Management

Overview

Ethernet Management Interface Protocols

HTTP Interface

Chapter 7. Serial-Based Remote Product Management

Overview

Remote Commands and Queries Overview

Remote Commands and Queries

Appendix A. Reference Documentation

Overview

FEC (Forward Error Correction) Options

ACM/VCM (Adaptive Coding and Modulation / Variable Coding and Modulation) Operation

BPM (Bridge Point-To-Multipoint) Operation

ECM (Entry Channel Mode) Operation

Dmesh (VMS Dynamic Mesh) Connectivity

DPC (VMS Dynamic Power Control) Operation

Appendix B. Fec (Forward Error Correction) Options

FEC Overview

DVB-S2: LDPC and BCH

Versafec (Short-Block LDPC

Rx/Tx Error Performance Characteristics

Appendix C. Data Collection

Data Collection Overview

Initial Setup of Communications between the CDM-840 and the User PC

Collect the Pre-Reboot Diagnostic Information from the CDM-840

Collect and Report the Post-Reboot Diagnostic Information from the CDM-840

Serial Adapter Cable Fabrication Specifications Reference

Appendix D. Versafec Return Link Acm (Adaptive Coding and Modulation) Option

Functional Overview

Versafec ACM

CDM-840 Versafec ACM Operation

ACM Congestion Control

Notes and Recommendations

Summary of Specifications

Appendix E. Bpm (Bridge Point-To-Multipoint) Operation

Functional Overview

Supported Network Configurations

Packet Processing

IEEE 802.1Q Support

Multicast BPM Behavior

BPM and Group Qos with Outbound ACM/VCM

Hub Network Configuration

Compatible Features and Detailed Specifications

Summary

Appendix F. Carrier ID (Dvb-CID Metacarrier

Functional Overview

CDM-840 Carrier ID Operation

Appendix G. Ecm (Entry Channel Mode

Functional Overview

ECM Operational Scenarios

ECM Operation

Appendix H. Header and Payload Compression

Functional Overview

CDM-840 Header and Payload Compression Operation

Appendix J. Return Group Qos (Quality of Service

Overview

Qos Groups

Qos Statistics Reporting

Appendix K. Ran/Wan Optimization

Overview