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Comtech EF Data CDD-880 Installation And Operation Manual

Multi receiver router
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CDD-880
Multi Receiver Router
Installation and Operation Manual
For Firmware Version 1.1.1 or higher
IMPORTANT NOTE:
The information contained in this document supersedes all previously published
information regarding these products. Product specifications are subject to change without prior notice.
Part Number MN-CDD880
Revision 0

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Summary of Contents for Comtech EF Data CDD-880

  • Page 1 CDD-880 Multi Receiver Router Installation and Operation Manual For Firmware Version 1.1.1 or higher IMPORTANT NOTE: The information contained in this document supersedes all previously published information regarding these products. Product specifications are subject to change without prior notice. Part Number MN-CDD880...
  • Page 3 For Firmware Version 1.1.1 or higher Part Number MN-CDD880 Revision 0 October 11, 2010 Copyright © 2009 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: 480.333.2161...
  • Page 4 This page is intentionally blank.

  • Page 5: Table Of Contents

    Table of Contents TABLE OF CONTENTS ....................III  TABLES ........................VII  FIGURES ........................VII  PREFACE ........................IX  About this Manual ........................ix  Reporting Comments or Suggestions Concerning this Manual ..........ix  Conventions and References ....................... ix  Metric Conversion ........................ix  Recommended Standard Designations ..................
  • Page 6 CDD-880 Multi Receiver Router Revision 0 Table of Contents MN-CDD880 CHAPTER 1.  INTRODUCTION .................. 1–1  1.1  Overview ......................... 1–1  1.2  Functional Description ....................1–2  1.3  Features ........................... 1–3  1.3.1  Physical Description ....................1–3  1.3.1.1  Standard Assemblies ......................1–3  1.3.1.2  Optional Assemblies ......................1–3 ...
  • Page 7 CDD-880 Multi Receiver Router Revision 0 Table of Contents MN-CDD880 3.5.1  Alternating Current (AC) Power Connector (Standard) ........... 3–5  3.5.2  Ground Connector ....................3–5  CHAPTER 4.  FLASH UPGRADING ................4–1  4.1  Flash Updating via Internet ..................4–1  4.2  Ethernet FTP Upload Procedure .................. 4–2 ...
  • Page 8 CHAPTER 6.  FORWARD ERROR CORRECTION ............ 6–1  6.1  Introduction ........................6–1  6.2  VersaFEC (Short-block LDPC) ................... 6–1  6.3  CDD-880 Error Performance Characteristics ............6–3  APPENDIX A.  FAST ACTIVATION PROCEDURE ............ A–1  A.1  Introduction ........................A–1  A.2  Activation Procedure via Web Server (HTTP) Interface ......... A–2 ...
  • Page 9 Figure 3-1. CDD-880 Rear Panel View ..................3–1 Figure 4-1. Flash Update via Internet ..................4–1 Figure 5-1. CDD-880 Multi Receiver Router Home (Splash) page ........... 5–5 Figure 5-2. Home | Contact page ....................5–6 Figure 5-3. Admin | Access page ....................5–7 Figure 5-4.
  • Page 10 CDD-880 Multi Receiver Router Revision 0 Table of Contents MN-CDD880 This page is intentionally blank. viii...

  • Page 11: Preface

    PREFACE About this Manual This manual provides installation and operation information for the Comtech EF Data CDD-880 Multi Receiver Router. This is a technical document intended for earth station engineers, technicians, and operators responsible for the operation and maintenance of the CDD-880.

  • Page 12: Cautions And Warnings

    Multi-Hazard Formats Electrical Safety and Compliance The CDD-880 has been shown to comply with the EN 60950 Safety of Information Technology Equipment (Including Electrical Business Machines) safety standard. The equipment is rated for operation over the range 100–240 volts AC or, appropriately equipped, 36–60 volts DC.

  • Page 13: Low Voltage Directive (Lvd)

    The equipment is not designed for connection to power system that has no direct connection to ground. The CDD-880 is shipped with a line inlet cable suitable for use in the country of operation. If it is necessary to replace this cable, ensure the replacement has an equivalent specification. Examples of acceptable ratings for the cable include HAR, BASEC and HOXXX-X.

  • Page 14: Telecommunications Terminal Equipment Directive

    Public Telecommunications Network. CE Mark Comtech EF Data declares that the CDD-880 meets the necessary requirements for the CE Mark. RoHS Compliance This unit satisfies (with exemptions) the requirements specified in the European Union Directive on the Restriction of Hazardous Substances, Directive 2002/95/EC, (EU RoHS).

  • Page 15: Warranty Policy

    The warranty does not apply to any part of a product that has been installed, altered, repaired, or misused in any way that, in the opinion of Comtech EF Data Corporation, would affect the reliability or detracts from the performance of any part of the product, or is damaged as the result of use in a way or with equipment that had not been previously approved by Comtech EF Data Corporation.

  • Page 16: Exclusive Remedies

    Preface MN-CDD880 A fixed charge established for each product will be imposed for all equipment returned for warranty repair where Comtech EF Data Corporation cannot identify the cause of the reported failure. Exclusive Remedies Comtech EF Data Corporation’s warranty, as stated is in lieu of all other warranties, expressed, implied, or statutory, including those of merchantability and fitness for a particular purpose.

  • Page 17: Customer Support

    Tempe, Arizona 85281 USA 480.333.2200 (Main Comtech EF Data number) 480.333.4357 (Customer Support Desk) 480.333.2161 FAX To return a Comtech EF Data product (in-warranty and out-of-warranty) for repair or replacement: • the Comtech EF Data Customer Support Department during normal business Contact hours.
  • Page 18 CDD-880 Multi Receiver Router Revision 0 Preface MN-CDD880 Notes:...

  • Page 19: Chapter 1. Introduction

    The CDD-880 Multi Receiver Router (Figure 1-1) supports from two through 12 independent demodulators (expandable, by pairs, on a single card) in a single 1RU chassis. The CDD-880 is intended to serve as a hub expansion utility device for Comtech EF Data’s Advanced VSAT Series product offering.

  • Page 20: Functional Description

    Functional Description Figure 1-2. Advanced VSAT Series Network Topology Example Figure 1-2 illustrates the CDD-880 Multi Receiver Router as deployed in a typical satellite-based communications network – in this example, a Hub-and-Spoke IP Network. The CDD-880 Multi Receiver Router features six plug-in cards, each of which supports two VersaFEC/Streamline demodulators.

  • Page 21: Features

    Features 1.3.1 Physical Description The CDD-880 Multi Receiver Router is constructed as a 1RU-high rack-mounting chassis, which can be free-standing if desired. Handles at the front to facilitate removal from and placement into a rack. The unit uses a single printed circuit board assembly for high reliability. All operational upgrades and enhancements are afforded via remote firmware upgrade.

  • Page 22: Dimensional Envelope

    CDD-880 Multi Receiver Router Revision 0 Introduction MN-CDD880 1.3.3 Dimensional Envelope Figure 1-3. CDD-880 Dimensional Envelope 1–4...

  • Page 23: Physical Features

    Front Panel LED Indicators Figure 1-4. CDD-880 Front Panel View Figure 1-4 shows the front panel of the CDD-880. The front panel features 16 Light-Emitting- Diode (LED) indicators. The LEDs indicate, in a summary fashion, the status of the unit: •...

  • Page 24: Rear Panel

    Rear Panel Figure 1-5. CDD-880 Rear Panel View Figure 1-5 shows the rear panel of the CDD-880. External cables are attached to connectors on the rear panel of the unit. Each connector is described in detail in Chapter 3. REAR PANEL CONNECTOR PINOUTS.
  • Page 25 Introduction MN-CDD880 When service requirements change, the operator can upgrade the topology of the CDD-880 to meet those requirements within minutes. This accelerated upgrade can be accomplished because of FAST’s extensive use of the programmable logic devices incorporated into Comtech EF Data products.

  • Page 26: Summary Of Specifications

    CDD-880 Multi Receiver Router Revision 0 Introduction MN-CDD880 Summary of Specifications 1.4.1 Demodulator Specification Parameters Frequency Range 950 to 2150 MHz Input Type ‘N’ female connector Input Impedance 50Ω, 17 dB minimum return loss Input Power Range -130 + 10 log(symbol rate) to -80 + 10 log(symbol rate) dBm (see Figure 1-6) Maximum Composite Operation Level 102 –...

  • Page 27: Low Noise Block Converter (Lnb) Support

    CDD-880 Multi Receiver Router Revision 0 Introduction MN-CDD880 Figure 1-6. Rx Carrier Level vs. Symbol Rate (L-Band 950 – 2150 MHz) 1.4.2 Low Noise Block Converter (LNB) Support Parameters Specifications LNB Voltage +13 volts, +18 volts per DiSEq, and +24 volts DC at 500 mA maximum 10 MHz Reference •...

  • Page 28: Environmental And Physical

    CDD-880 Multi Receiver Router Revision 0 Introduction MN-CDD880 1.4.3 Environmental and Physical Parameters Specifications Operating 32 to 122°F (0 to 50°C) Temperature Storage -4 to 158°F (-20 to 70°C) Operating 95% maximum, non-condensing Humidity Storage 99% maximum, non-condensing Includes an on/off switch...

  • Page 29: Ber (Bit Error Rate)

    CDD-880 Multi Receiver Router Revision 0 Introduction MN-CDD880 1.4.4 BER (Bit Error Rate) VersaFEC CODEC BER Rate 0.488 BPSK Guaranteed Eb/No (With two adjacent carriers, (typical value in each 7 dB higher than the parentheses): desired carrier) For: BER=10-5 2.4 dB (2.1 dB) BER=10-8 2.7 dB (2.4 dB)
  • Page 30 CDD-880 Multi Receiver Router Revision 0 Introduction MN-CDD880 Notes: 1–12...

  • Page 31: Chapter 2. Installation

    Chapter 2. INSTALLATION Unpacking and Inspection The CDM-880 Multi Receiver Router and its Installation and Operation Manual are packaged in a pre-formed, reusable, cardboard carton containing foam spacing for maximum shipping protection. Be sure to keep all shipping materials for the carrier's inspection. IMPORTANT Inspect shipping containers for damage.

  • Page 32: Mounting

    MN-CDD880 Mounting If the CDD-880 is to be mounted in a rack, ensure that there is adequate clearance for ventilation, particularly at the sides. In rack systems where there is high heat dissipation, forced air cooling must be provided by top or bottom mounted fans or blowers. Under no circumstance should the highest internal rack temperature be allowed to exceed 50°C (122°F).

  • Page 33: Figure 2-1. Installation Of Optional Rear-Mounting Support Bracket Kit

    CDD-880 Multi Receiver Router Revision 0 Installation MN-CDD880 The kit is installed as illustrated in Figure 2-1 and per the following procedure: Step Description Secure the Adapter Plates to each side of the chassis at the rear, using the #10 flat head screws as shown.
  • Page 34 CDD-880 Multi Receiver Router Revision 0 Installation MN-CDD880 Notes: 2–4...

  • Page 35: Chapter 3. Rear Panel Connector Pinouts

    CONNECTOR PINOUTS Connector Overview The CDD-880 Multi Receiver Router rear panel connectors, shown here in Figure 3-1, provide all necessary external connections between the CDD-880 and other equipment. Table 3-1 summarizes the connectors provided on the rear panel interface, grouped according to service function.

  • Page 36: L-Band Rx If Connection, Type 'N

    CDD-880 Multi Receiver Router Revision 0 Rear Panel Connector Pinouts MN-CDD880 L-BAND Rx IF Connection, Type ‘N’ The Rx IF input port connector is a 50Ω Type ‘N’ female. The return loss on these ports is typically better than 17 dB, and if the user wishes to connect to a 75Ω...

  • Page 37: Utility Connections

    CDD-880 Multi Receiver Router Revision 0 Rear Panel Connector Pinouts MN-CDD880 Utility Connections 3.4.1 (FUTURE) REDUNDANCY Connector, DB-9F The REDUNDANCY connector provides the 1:1 control (redundant switch) interface via a 9-pin Type ‘D’ female (DB-9F) connector. It is intended for future connection to a CRS-500 M:N Redundancy System.

  • Page 38: Monitor Connector, Db-15M

    MANAGEMENT FE (M&C) Connector, RJ-45F The MANAGEMENT FE 10/100 Ethernet connector is an 8-pin, RJ-45 female auto- sensing port, used for Ethernet-based remote management and control (M&C) of CDD-880 functions via Telnet/HTTP/SNMP. The connector pinouts are as follows: Pin # Description...

  • Page 39: Power / Ground Connections

    IMPORTANT A standard, detachable, non-locking, 3-prong power cord (IEC plug) supplies the Alternating Current (AC) power to the CDD-880. The IEC line input connector contains the ON/OFF switch for the unit. It also is fitted with two fuses, one each for line and neutral connections (or L1, L2, where appropriate).
  • Page 40 CDD-880 Multi Receiver Router Revision 0 Rear Panel Connector Pinouts MN-CDD880 Notes: 3–6...

  • Page 41: Chapter 4. Flash Upgrading

    Chapter 4. FLASH UPGRADING Flash Updating via Internet The CDD-880 Multi Receiver Router uses ‘Flash memory’ technology internally. This makes software upgrading very simple, and updates can now be sent over satellite, via the Internet (Figure 4-1), via E-mail, or on CD.

  • Page 42: Ethernet Ftp Upload Procedure

    CDD-880 Multi Receiver Router Revision 0 Flash Upgrading MN-CDD880 Ethernet FTP Upload Procedure Step Procedure Identify the reflashable product, firmware number, and version for download. a) Using a terminal emulator connected to the serial CONSOLE port, upon power-up of the unit a number of operational parameters, including the firmware number and...
  • Page 43 Select the CDD-880 product hyperlink; g) Select the appropriate firmware download hyperlink. About Firmware Numbers, File Versions, and Formats: Comtech EF Data’s Web site catalogues its flashable firmware upgrade files by product type (e.g., modem, converter, etc.) and specific model/optional configuration.
  • Page 44 By default, the unit will boot to the Slot that stores the firmware version having the latest date (Boot From: Latest). Reboot the CDD-880. The firmware upgrade is implemented at this time. Flash Upgrading of the CDD-880 Multi Receiver Router is now complete.

  • Page 45: Chapter 5. Ethernet Management

    MANAGEMENT Introduction The CDD-880 Multi Receiver Router is equipped with an RJ-45 10/100 BaseT Ethernet management interface, labeled MANAGEMENT FE, that is used for monitor and control purposes. This chapter provides a high-level overview of the functionality provided by this interface. For details about using the CDD-880’s serial remote interface, see Appendix B.

  • Page 46: Snmp Interface

    The CDD-880 SNMP agent supports both SNMPv1 and v2c. For proper SNMP operation, the CDD-880 MIB files must be used with the associated version of the CDD-880 router M&C. Please refer to the CDD-880 FW Release Notes for information on the required FW/SW compatibility.

  • Page 47: Web Server (Http) Interface

    Internet Explorer Version 7.0 or higher (the examples shown use Internet Explorer Version 7.0). The user can fully control and monitor base operations of the CDD-880 from the Web Server Interface. By rolling the cursor over the navigation tabs located at the top of each page (right), the user can select from the available nested tabs.

  • Page 48: Home | Home ................................................................................................... 5–5

    Ethernet Management MN-CDD880 5.4.3 Web Server Menu Tree The operations available through this interface are illustrated by this menu tree: The CDD-880 Web Server Interface provides access to five (5) navigation tabs (shown in blue): • Home • Admin • Configuration •...

  • Page 49: About The Virtual Front Panel

    5.4.4.1 About the Virtual Front Panel Each page in the CDD-880 Web Server Interface features a ‘Virtual Front Panel’. This read-only display emulates the operational state of the CDD-880 front panel LEDs, affording the user with true ‘heads-up’ operational status indicators that react dynamically to the configuration changes made via the Web Server Interface pages.

  • Page 50: 2.2  Home | Contact

    CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 5.4.4.2.2 Home | Contact Figure 5-2. Home | Contact page The ‘Home | Contact’ page (Figure 5-2) provides basic contact information to reach Comtech EF Data Sales and Customer Support via phone, fax, or Web/e-mail hyperlinks.

  • Page 51: Admin

    The ‘Admin’ pages (Figure 5-3 through Figure 5-7) provide the means to set up the access parameters required to facilitate communication with the CDD-880 Web Server Interface. The Admin pages are available only to users who have logged in using the Administrator Name and Password.

  • Page 52: 3.2  Admin | Snmp

    Admin | SNMP Figure 5-4. Admin | SNMP page The ‘Admin | SNMP’ page (Figure 5-4) sets and returns administration information for the CDD-880 Simple Network Management Protocol (SNMP) feature. For further information about SNMP, see Section 5.3 SNMP INTERFACE. SNMP Configuration Use the provided text boxes to assign the desired SNMP configuration string.

  • Page 53: 3.3  Admin | Fast

    IMPORTANT Figure 5-5. Admin | FAST page The CDD-880 incorporates a number of optional features that may be activated by the user after purchase via Fully Accessible System Topology (FAST) codes, which are special authorization codes obtained from Comtech EF Data loaded into the unit via the ‘Admin | FAST’ page (Figure 5-5).

  • Page 54: 3.4  Admin | Firmware

    CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 5.4.4.3.4 Admin | Firmware Figure 5-6. Admin | Firmware page The ‘Admin | Firmware’ page (Figure 5-6) is used to select the current active firmware image to be loaded for operation upon power-up or soft reboot.

  • Page 55: 3.5  Admin | Auto Logout

    Once configured, the active session will be terminated if the unit is allowed to remain idle (i.e., when no user activity occurs) for the specified Auto Logout timeframe. A valid user name and password will then be required to open a new session with the CDD-880 Web Server Interface. Auto Logout Configuration To configure the Auto Logout feature, enter a value of 1 –...

  • Page 56: Configuration

    Subnet Mask using this box (the Subnet Mask valid range is from 8 – 30). Link Configuration – Use the drop-down menu to select the line speed and duplex setting for the CDD-880’s FE interface. The available options are: • Auto •...

  • Page 57: Figure 5-9. Configuration | Interface | Ge Page

    CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 Negotiated Link Mode – The read-only actual negotiated line speed and duplex setting for the FE interface is displayed here. The viewable settings are: • 1000 BaseT / Full Duplex • 100 BaseT / Half Duplex •...

  • Page 58: 4.2  Configuration | Demod

    Configuration | Demod Figure 5-10. Configuration| Mod page The ‘Configuration | Demod’ page (Figure 5-10) permits the user to configure CDD-880 Tx modulator operations. Note that, for any configuration item requiring text entry, a reference to the operational ranges for that text box is provided to the right of that text box.

  • Page 59: (Future)

    Configuration | LNB (Low Noise Block Down Converter) (FUTURE) Operation of the CDD-880 with a Low Noise Block Down Converter is reserved as a future operational feature. While the Configuration | LNB tab is selectable, and the page is viewable, it is inoperable at present.

  • Page 60: Figure 5-12. Configuration | Arp Page

    CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 5.4.4.4.4 Configuration | ARP Figure 5-11. Configuration | ARP page The ‘Configuration | ARP’ page (Figure 5-12) is used to configure the router’s ARP (Address Resolution Protocol) parameters. Add Static ARP This section allows the user to directly add a static ARP entry.

  • Page 61: Figure 5-13. Configuration | Routing (Routes) Page

    CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 IP – Entry IP Address, format XXX.XXX.XXX.XXX; MAC – Entry MAC Address, format YY:YY:YY:YY:YY; Type (read-only) – Entry Type is identifiable as Static or Dynamic and cannot be edited. Click [Submit Changes] once the desired edits have been made in this section.
  • Page 62 CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 Route Table (Edit) This section displays and allows the user to edit all current Route Table entries. Note the following: Index – This is the internal table index that is automatically assigned and cannot be edited.

  • Page 63: Status

    CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 5.4.4.5 Status pages The Status pages ( through ) provide the user with status, event logging, and operational statistics windows. Click the Statistics or Monitor tab to continue. 5.4.4.5.1 Status | Statistics pages Click the Summary, Demod, or Router tab to continue.
  • Page 64 CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 Maximum (Mbps) – Peak symbol rate (in megabits per second). Ethernet Statistics Total Pkts Tx – Total number of packets transmitted. Total Pkts Rx – Total number of packets received. UC Pkts Tx – Unicast packets transmitted.

  • Page 65: 5.1.2  Status | Statistics | Demod

    CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 5.4.4.5.1.2 Status | Statistics | Demod Figure 5-14. Status | Statistics | Demod page The ‘Status | Statistics | Demod’ page (Figure 5-15) is used to view cumulative demodulator traffic information.
  • Page 66 CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 For each operating demodulator, note the following: Pkts Rx – Packets received. UC Pkts Rx – Unicast packets received. MC Pkts Rx – Multicast packets received. Current (Mbps) – Most recent symbol rate (in megabits per second).

  • Page 67: 5.1.3  Status | Statistics | Router

    CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 5.4.4.5.1.3 Status | Statistics | Router Figure 5-15. Status | Statistics | Router page The ‘Status | Statistics | Router’ page (Figure 5-16) is used to view cumulative router traffic information.

  • Page 68: Figure 5-17. Status | Monitor Page

    CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 5.4.4.5.2 Status | Monitor page Figure 5-16. Status | Monitor page The ‘Status | Monitor’ page (Figure 5-17) provides an alarms summary table plus a scrollable read- only window that displays any events and alarms as logged by the unit during normal operation.
  • Page 69 CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 Input Port Status This read-only section provides, on an active demod basis, an overall tally of the parameters compiled since the logging buffer was last cleared. For each active demodulator, note the following: Lock –...

  • Page 70: Utility Page

    CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 5.4.4.6 Utility page Figure 5-17. Utility page The ‘Utility’ page (Figure 5-18) provides an array of top-level system operation controls, configuration storage/selection, and test utilities. Modem Unit Name – The assigned product label is identified here.
  • Page 71 CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 Set Time (hh:mm:ss) – Enter a time using HH:MM:SS format (where HH = hour [00 to 23], MM = minutes [00 to 59], and SS = seconds [00 to 59]). Set Date (dd/mm/yy) – Enter a date using the European time format DD/MM/YY (where DD = day [01 to 31], MM = month [01 to 12], and YY = year [00 to 99]).

  • Page 72: Cdd-880 Multi Receiver Router Revision

    CDD-880 Multi Receiver Router Revision 0 Ethernet Management MN-CDD880 Notes: 5–28...

  • Page 73: Chapter 6.  Forward Error Correction

    Chapter 6. FORWARD ERROR CORRECTION Introduction The Forward Error Correction (FEC) method utilized by the CDD-880 Multi Receiver Router is a completely new family of short-block Low Density Parity Check (LDPC) codes with very low ® latency called VersaFEC . A patents-pending technology wholly owned and developed by Comtech EF Data and CEFD sister division Comtech AHA Corp.

  • Page 74: Table 6-1. The Versafec Modcod Set

    CDD-880 Multi Receiver Router Revision 0 Forward Error Correction MN-CDD880 Figure 6-1. The VersaFEC Codes versus Shannon Capacity There are 12 ModCods in the VersaFEC set (Table 6-1). The modulation types (BPSK, QPSK, 8-QAM and 16-QAM) and the code rates have been chosen to give a continuous progression of performance in terms of both Eb/No and spectral efficiency –...

  • Page 75: Cdd-880 Error Performance Characteristics

    CDD-880 Multi Receiver Router Revision 0 Forward Error Correction MN-CDD880 CDD-880 Error Performance Characteristics Figure 6-2 through Figure 6-5 illustrate the guaranteed error performance characteristics of the CDD-880. Eb/No in dB 1E-1 Comtech VersaFEC® Codec Rate 0.488 BPSK Uncoded BPSK/QPSK...

  • Page 76: Figure 6-3. Versafec Codec - Qpsk, Rate 0.533, 0.631, 0.706 And 0.803

    CDD-880 Multi Receiver Router Revision 0 Forward Error Correction MN-CDD880 Eb/No in dB 1E-1 Comtech VersaFEC® Codec Rate 0.533, 0.631, 0.706, Uncoded and 0.803 QPSK BPSK/QPSK 1E-2 Rate Rate Rate Rate 1E-3 0.533 0.631 0.706 0.803 QPSK QPSK QPSK QPSK...
  • Page 77 CDD-880 Multi Receiver Router Revision 0 Forward Error Correction MN-CDD880 Eb/No in dB 1E-1 Comtech VersaFEC® Codec Rate 0.642, 0.711, 0.780 Uncoded BPSK/QPSK 8-QAM 1E-2 Rate Rate Rate 0.642 0.711 0.780 8-QAM 8-QAM 8-QAM 1E-3 Uncoded 8-PSK 1E-4 1E-5 1E-6...

  • Page 78: Figure 6-5. Versafec Codec - 16-Qam, Rate 0.731, 0.780, 0.829 And 0.853

    CDD-880 Multi Receiver Router Revision 0 Forward Error Correction MN-CDD880 Eb/No in dB 1E-1 Comtech VersaFEC® Codec Rate 0.731, 0.780, 0.829 and 0.853 16-QAM Uncoded BPSK/QPSK 1E-2 Uncoded 16-QAM Rate Rate Rate Rate 0.731 0.780 0.829 0.853 16-QAM 16-QAM 16-QAM...

  • Page 79: Appendix A. Fast Activation Procedure

    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.

  • Page 80: Activation Procedure Via Web Server (Http) Interface

    MN-CDD880 Activation Procedure via Web Server (HTTP) Interface The CDD-880 available FAST options are listed – and the FAST Code entry/option activation controls are provided – via the Web Server Interface on the ‘Admin | FAST’ page. Refer to Chapter 5.4. WEB SERVER (HTTP) INTERFACE for a complete overview on CDD-880 operations via this interface.

  • Page 81: Record Serial Number

    When contacting a Comtech EF Data sales representative during normal business hours to order features, the user will be asked to provide the CDD-880’s serial number. This serial number is provided in the FAST Code section of the ‘Admin | FAST’ page:...
  • Page 82 CDD-880 Multi Receiver Router Revision 0 Appendix A MN-CDD880 Notes: A–4...

  • Page 83: Appendix B. Remote Control

    Appendix B. REMOTE CONTROL Overview This appendix describes the protocol and message command set for remote monitor and control (M&C) of the CDD-880 Multi Receiver Router. The electrical interface is an EIA-232 connection (for the control of a single device), and data is transmitted in asynchronous serial form, using ASCII characters.

  • Page 84: Packet Structure

    CDD-880 Multi Receiver Router Revision 0 Appendix B MN-CDD880 The Controller, which is in charge of the process of monitor and control, is the only device that is permitted to initiate, at will, the transmission of data. Targets are only permitted to transmit when they have been specifically instructed to do so by the Controller.

  • Page 85: Target Address

    CDD-880 Multi Receiver Router Revision 0 Appendix B MN-CDD880 Because this is used to provide a reliable indication of the start of packet, these two characters may not appear anywhere else within the body of the message. B.4.2 Target Address In EIA-232 applications this value is set to 0.

  • Page 86: Optional Message Arguments

    CDD-880 Multi Receiver Router Revision 0 Appendix B MN-CDD880 The ‘?’ code is used as the Query Operator (QO) and is used to indicate that the Target should return the current value of the parameters defined by the preceding byte.

  • Page 87: Remote Commands And Queries

    ‘Controller’ device – typically a PC or ASCII dumb terminal. An example of such a device is shown to the right. From this interface, the user may type ‘help[cr]’ or ‘?[cr]’ to display the CDD-880’s available commands and queries, and to review instructions for using the interface.

  • Page 88: Unit Parameters

    CDD-880 Multi Receiver Router Revision 0 Appendix B MN-CDD880 B.5.1 Unit Parameters Command Query Parameter Number of Response to (Instruction Description of Arguments (Instruction Response to Query Type Arguments Command & Qualifier) & Qualifier) DPW= Default DPW= Command Only DPW?
  • Page 89 CDD-880 Multi Receiver Router Revision 0 Appendix B MN-CDD880 Command Query Parameter Number of Response to (Instruction Description of Arguments (Instruction Response to Query Type Arguments Command & Qualifier) & Qualifier) Management 12 bytes, Query only. MAC? MAC=aabbccddeeff MAC Address...
  • Page 90 CDD-880 Multi Receiver Router Revision 0 Appendix B MN-CDD880 Notes: B–8...
  • Page 91 METRIC CONVERSIONS Units of Length Unit Centimeter Inch Foot Yard Mile Meter Kilometer Millimeter 1 centimeter — 0.3937 0.03281 0.01094 6.214 x 10 0.01 — — 1 inch 2.540 — 0.08333 0.2778 0.254 — 25.4 1.578 x 10 1 foot 30.480 12.0 —...
  • Page 92 2114 85281 WEST TH STREET TEMPE ARIZONA 480 • 333 • 2200 PHONE 480 • 333 • 2161...

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