Comtech EF Data CDM-840 Specifications Page 1

Part Number MN-CDM840 Revision 2 IMPORTANT NOTE: The information contained in this document supersedes all previously published informatio

CDM-840 Remote Router Revision 2 Table of Contents MN-CDM840 vi 6.4.2.5 Drop-down Lists ...

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–32 6.4.4.5.2.2 Configuration | WAN | Mod (Modulator) Pages C

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–33 Modulator The acceptable/valid operating range f

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–34 • Tx Scrambler – Use the drop-down list to select the Tx

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–35 Modulator Frequency The Tx Frequency Calculator provid

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–36 6.4.4.5.2.2.2 Configuration | WAN | Mod | ACM VersaFEC A

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–37 o VersaFEC MODCOD 4 – QPSK 0.803 o VersaFEC MODCOD 10 –

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–38 6.4.4.5.2.3 Configuration | WAN | QoS The ADVANCED QUALI

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–39 (TOP) QoS Control Mode = Max/Pri (BOTTOM) QoS Control

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–40 QoS Control The QoS Control section is typical for all ac

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–41 From left to right: Column Description Index The automatic

CDM-840 Remote Router Revision 2 Table of Contents MN-CDM840 vii CHAPTER 7. SERIAL-BASED REMOTE PRODUCT MANAGEMENT ...

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–42 From left to right: Column Description Index The automatic

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–43 Column Description WRED Use the drop-down list to Enable o

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–44 6.4.4.5.2.4 Configuration | WAN | Label Use this page to

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–45 6.4.4.5.2.5 Configuration | WAN | Compression Use this pa

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–46 Managed Switch Mode Configuration (BPM Mode) Use the drop-

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–47 • BUC Low or High Current Limit (0 to 4000) – Enter the

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–48 • LNB Reference Enable – Use the drop-down list to Enabl

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–49 6.4.4.5.3 Configuration | Network Pages Precision Time P

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–50 Add New Route Use this section to directly add a Route Tab

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–51 6.4.4.5.3.1.2 Configuration | Network | Routing | IGMP IG

CDM-840 Remote Router Revision 2 Table of Contents MN-CDM840 viii B.3 VersaFEC (Short-block LDPC) ...

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–52 "leave latency" of the network; a reduced value

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–53 6.4.4.5.3.1.3 Configuration | Network | Routing | DHCP DH

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–54 6.4.4.5.3.2 Configuration | Network | ARP Use this page

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–55 ARP Table (Edit) This section displays all current Static

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–56 6.4.4.5.3.4 Configuration | Network | DNS Use this page t

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–57 6.4.4.5.4 Configuration | ECM (Entry Channel Mode) This

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–58 ECM Remote Configuration The acceptable/valid operating ra

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–59 • Tx LO Frequency – Assign a value, in MHz, to the Tx LO

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–60 6.4.4.5.5 Configuration | dSCPC (Dynamic Single Carrier p

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–61 • Step Down Threshold (0 to 100) – Enter the percentage o

CDM-840 Remote Router Revision 2 Table of Contents MN-CDM840 ix APPENDIX E. DATA COLLECTION ...

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–62 6.4.4.6 Status Pages The Status pages provide status, eve

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–63 Ethernet Statistics From left to right: Column Description

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–64 6.4.4.6.1.2 Status | Statistics | Network Pages Precisio

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–65 6.4.4.6.1.3 Status | Statistics | Compression This page

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–66 6.4.4.6.1.4 Status | Statistics | QoS The appearance of t

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–67 Click the (Link to QoS Configuration page) hyperlink to ac

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–68 6.4.4.6.1.5 Status | Statistics | E1 Pages (CDM-840 only)

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–69 E1 Transmit Packet Statistics From left to right: Column D

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–70 6.4.4.6.1.5.2 Status | Statistics | E1 | Receive Figure

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–71 E1 Receive Statistics From left to right: Row Description

CDM-840 Remote Router Revision 2 Table of Contents MN-CDM840 x TABLES Table 3-1. REDUNDANCY Connector Pinouts ...

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–72 6.4.4.6.1.6 Status | Statistics | Trending (CDM-840 only)

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–73 To initialize the page: Select the Time Span for the graph

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–74 6.4.4.6.2 Status | Monitor Use this read-only page to vie

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–75 click [Clear Event Table] to delete all existing logged en

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–76 Modem • Unit Name – The product (e.g., CDM-840) is identi

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–77 • To load (recall) a configuration set: o First, use t

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–78 6.4.4.7.2 Utility | Reboot Use this page to perform a sof

7–1 Chapter 7. SERIAL-BASED REMOTE PRODUCT MANAGEMENT 7.1 Introduction 1. The Serial-based Remote Product Management Interface is intended to provi

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–2 2. To proceed with Serial-based Remote Product Management, a

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–3 • 38400 bps (Baud Rate) • 8 Data Bits • 1 Stop Bit • Parity =

CDM-840 Remote Router Revision 2 Table of Contents MN-CDM840 xi Figure 6-14. Configuration | WAN | Demod | ACM Page ...

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–4 7.2.2 Packet Structure The exchange of information is transmi

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–5 The ‘<’ and ‘>’ characters indicate the start of packet.

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–6 7.2.2.5 Instruction Code Qualifier This is a single character

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–7 Character Definition * (ASCII code 42) If the Controller sends

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–8 7.3 Remote Commands and Queries 7.3.1 Table Indexes Notes:

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–9 Sect. 6.3.5 Transmit (Tx) BERT Command or Query CODE C Q PAGE

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–10 Sect. 6.3.11 Redundancy Commands and Queries CODE C Q PAGE

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–11 7.3.2 Transmit (Tx) Parameters Commands and Queries Paramete

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–12 Parameter Type Command (Instruction Code & Qualifier) Num

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–13 7.3.3 Receive (Rx) Parameters Commands and Queries Parameter

CDM-840 Remote Router Revision 2 Table of Contents MN-CDM840 xii Figure D-1. Configuration | Routing | Routes page ...

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–14 Parameter Type Command (Instruction Code & Qualifier) Num

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–15 7.3.4 Demodulator Status Commands and Queries Parameter Type

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–16 7.3.5 Transmit (Tx) BERT Command or Query Parameter Type Com

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–17 7.3.7 BUC (Block Upconverter) Parameters Commands and Querie

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–18 7.3.8 LNB (Low-Noise Block Downconverter) Parameters Command

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–19 7.3.9 Unit Parameters Commands and Queries Parameter Type Co

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–20 Parameter Type Command (Instruction Code & Qualifier) Num

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–21 Parameter Type Command (Instruction Code & Qualifier) Num

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–22 Parameter Type Command (Instruction Code & Qualifier) Num

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–23 Parameter Type Command (Instruction Code & Qualifier) Num

xiii PREFACE About this Manual This manual provides installation and operation information for the Comtech EF Data CDM-840 Remote Router. This is

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–24 Parameter Type Command (Instruction Code & Qualifier) Num

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–25 Parameter Type Command (Instruction Code & Qualifier) Num

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–26 Parameter Type Command (Instruction Code & Qualifier) Num

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–27 7.3.10 Bulk Configuration String Commands Parameter Type Com

CDM-840 Remote Router Revision 2 Serial-based Remote Product Management MN-CDM840 7–28 7.3.12 Miscellaneous Utility Commands and Queries Parameter

A–1 Appendix A. REFERENCE DOCUMENTATION This appendix describes features that may be monitored or controlled by the user, or otherwise processe

CDM-840 Remote Router Revision 2 Appendix A MN-CDM840 A–2 A.1 FEC (FORWARD ERROR CORRECTION) OPTIONS The method of FEC used among Comtech EF Data’s

CDM-840 Remote Router Revision 2 Appendix A MN-CDM840 A–3 A.2 Adaptive Coding and Modulation / Variable Coding and Modulation (ACM/VCM) The VersaFE

CDM-840 Remote Router Revision 2 Appendix A MN-CDM840 A–4 A.3 Bridge Point-to-Multipoint (BPM) Operation The Advanced VSAT BPM feature functions as

CDM-840 Remote Router Revision 2 Appendix A MN-CDM840 A–5 A.5 Entry Channel Mode (ECM) ECM operation is available in the CDM-840 and ODM/R-840 Remo

CDM-840 Remote Router Revision 2 Preface MN-CDM840 xiv A NOTE gives important information about a task or the equipment. A REFERENCEExamples of M

CDM-840 Remote Router Revision 2 Appendix A MN-CDM840 A–6 Notes:

B–1 Appendix B. FEC (FORWARD ERROR CORRECTION) OPTIONS B.1 FEC Overview The method of FEC (Forward Error Correction) used by the CDM-840 Remote Rout

CDM-840 Remote Router Revision 2 Appendix B MN-CDM840 B–2 LDPC also uses interleaving to spread the errors. In contrast, Viterbi error correction op

CDM-840 Remote Router Revision 2 Appendix B MN-CDM840 B–3 B.3 VersaFEC (Short-block LDPC) While LDPC coding represents a significant development

CDM-840 Remote Router Revision 2 Appendix B MN-CDM840 B–4 Table B-1 specifies the 12 modulations types / code rates that comprise the VersaFEC MODCO

CDM-840 Remote Router Revision 2 Appendix B MN-CDM840 B–1 Figure B-2. DVB-S2 QPSK Packet Error Rate versus Es/No

CDM-840 Remote Router Revision 2 Appendix B MN-CDM840 B–2 Figure B-3. DVB-S2 8PSK Packet Error Rate versus Es/No

CDM-840 Remote Router Revision 2 Appendix B MN-CDM840 B–3 Figure B-4. DVB-S2 16APSK Packet Error Rate versus Es/No

CDM-840 Remote Router Revision 2 Appendix B MN-CDM840 B–4 Figure B-5. DVB-S2 32APSK Packet Error Rate versus Es/No

CDM-840 Remote Router Revision 2 Appendix B MN-CDM840 B–5 Figure B-6. VersaFEC Codec – BPSK, Rate 0.488 1E-91E-81E-71E-61E-51E-41E-31E-21E-11

CDM-840 Remote Router Revision 2 Preface MN-CDM840 xv Sect 3.3 CDM-840 Ground and Power Connections Operating Environment DO NOT OPERATE THE UNI

CDM-840 Remote Router Revision 2 Appendix B MN-CDM840 B–6 Figure B-7. VersaFEC Codec – QPSK, Rate 0.533, 0.631, 0.706 and 0.803 1E-91E-81E-71E-61

CDM-840 Remote Router Revision 2 Appendix B MN-CDM840 B–7 Figure B-8. VersaFEC Codec – 8-QAM, Rate 0.642, 0.711, and 0.780 1E-91E-81E-71E-61E-51E-

CDM-840 Remote Router Revision 2 Appendix B MN-CDM840 B–8 Figure B-9. VersaFEC Codec – 16-QAM, Rate 0.731, 0.780, 0.829 and 0.85 1E-91E-81E-71E-61E-

C–1 Appendix C. BRIDGE POINT-TO-MULTIPOINT (BPM) OPERATION C.1 Introduction The overall intent of the Advanced VSAT Bridge Point-to-Multipoint (B

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–2 C.2 Supported Network Configurations When running in BPM Mode, the Advanced VSAT System

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–3 C.2.3 VLAN Trunking In a VLAN Trunking topology (Figure C-4), the Hub side equipment fun

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–4 For Advanced VSAT BPM Mode, it is important to note that the CTOG-250 Comtech Traffic O

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–5 When operating the network with the Comtech NetVue or Vipersat Management System (VMS), t

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–6 C.4.3 Multiple VLAN Tagging S upport The Advanced VSAT platform supports processing Ethe

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–7 If required, you can create QoS rules with “Filter All” enabled to filter undesired Multi

CDM-840 Remote Router Revision 2 Preface MN-CDM840 xvi TO ENSURE THAT THE UNIT COMPLIES WITH THESE STANDARDS, OBEY THESE INSTRUCTIONS: • Use coa

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–8 ID, and then use a Subnet/Mask, to associate a packet to a QoS Group. This functionality

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–9 For the standalone CTOG-250 approach, there are no restrictions on the Hub network beyond

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–10 If you have multiple Advanced VSAT outbound carriers at a single Hub, Comtech EF Data

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–11 allows the packets coming from the CDD-880s to be associated with the correct CTOG-250,

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–12 C.8 Compatible Features and Detailed Specifications Advanced VSAT BPM Mode is compatibl

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–13 The following features are not supported when in BPM Mode: • The standalone CDM-800* d

CDM-840 Remote Router Revision 2 Appendix C MN-CDM840 C–14 C.10 Glossary Term Definition ACM/VCM Adaptive Coding and Modulation / Variable Coding

D–1 Appendix D. HEADER AND PAYLOAD COMPRESSION D.1 Introduction Chapter 6. ETHERNET-BASED REMOTE PRODUCT MANAGEMENT Header and Payload Compression

CDM-840 Remote Router Revision 2 Appendix D MN-CDM840 D–2 widely available as an open-source software tool; it does not require the use of a softw

CDM-840 Remote Router Revision 2 Appendix D MN-CDM840 D–3 Table D-2. Comtech AHA GZip Performance Specifications Support Description Specification

CDM-840 Remote Router Revision 2 Preface MN-CDM840 xvii CE Mark Comtech EF Data declares that the unit meets the necessary requirements for the CE

CDM-840 Remote Router Revision 2 Appendix D MN-CDM840 D–4 Use the Configuration | Routing | Routes page (Figure D-1) to enable or disable Header

CDM-840 Remote Router Revision 2 Appendix D MN-CDM840 D–5 The supported refresh rates are based on the runtime characterization that there will b

CDM-840 Remote Router Revision 2 Appendix D MN-CDM840 D–6 D.2.3 Viewing Header and Payload Compression S tatis tics Figure D-4. Status | Statist

E–1 Appendix E. DATA COLLECTION E.1 Introduction In the event that an operational issue (such as degraded performance or loss of IP access) is encou

CDM-840 Remote Router Revision 2 Appendix E MN-CDM840 E–2 2. Once you gather this initial pre-reboot information, you must reboot the CDM-840 t

CDM-840 Remote Router Revision 2 Appendix E MN-CDM840 E–3 E. Using Windows Command-line (Start > Run... > cmd.exe), create a folder (director

CDM-840 Remote Router Revision 2 Appendix E MN-CDM840 E–4 Follow these steps to collect pre-reboot information from a CDM-840 using Firmware Version

CDM-840 Remote Router Revision 2 Appendix E MN-CDM840 E–5 To do this: Type this at the Serial Interface “->” prompt: End the Serial Interface tex

CDM-840 Remote Router Revision 2 Appendix E MN-CDM840 E–6 To do this: Type this at the Windows Command-line prompt: Select binary transfer mode ftp

CDM-840 Remote Router Revision 2 Appendix E MN-CDM840 E–7 E.5 Serial Adapter Cable Fabrication Specifications Reference CAUTION: To ensure proper

CDM-840 Remote Router Revision 2 Preface MN-CDM840 xviii Warranty Policy Comtech EF Data products are warranted against defects in material and wor

CDM-840 Remote Router Revision 2 Appendix E MN-CDM840 E–8 Notes:

F–1 Appendix F. ENTRY CHANNEL MODE (ECM) F.1 Functional Overview Comtech EF Data CDD-880 Multi Receiver Router Installation and Operation Manual (C

CDM-840 Remote Router Revision 2 Appendix F MN-CDM840 F–2 While a CDM-840 is in Entry Channel Mode, it allows the passing of management traffic only

CDM-840 Remote Router Revision 2 Appendix F MN-CDM840 F–3 Upon valid reception, the HCC processes the Remote Identification (RID) packet containing

CDM-840 Remote Router Revision 2 Appendix F MN-CDM840 F–4 F.2 Entry Channel Mode Operation See Sections F.1 Functional Overview and F.4 Glossary o

CDM-840 Remote Router Revision 2 Appendix F MN-CDM840 F–5 F.2.2 CDM-840 Remote Router Terminals Chapter 6. ETHERNET-BASED REMOTE PRODUCT MANAGEMEN

CDM-840 Remote Router Revision 2 Appendix F MN-CDM840 F–6 Processing Segment Description Remarks Action Remarks 1 ALOHA “Not Registered” or

CDM-840 Remote Router Revision 2 Appendix F MN-CDM840 F–7 F.2.3 CDD-880 Hub Channel Controller (HCC) Chapter 6. ETHERNET-BASED REMOTE PRODUCT MANA

CDM-840 Remote Router Revision 2 Appendix F MN-CDM840 F–8 CDM-840 IP Address along with its ECM state flag (i.e., Online, Wait, or Offline) into the

CDM-840 Remote Router Revision 2 Appendix F MN-CDM840 F–9 F.3 ECM Operational Scenarios F.3.1 Scenario 1 – VMS Initial Registration Process For pr

CDM-840 Remote Router Revision 2 Preface MN-CDM840 xix The warranty excludes any responsibility by Comtech EF Data Corporation for incidental or co

CDM-840 Remote Router Revision 2 Appendix F MN-CDM840 F–10 and transmits. If the probe is not detected at the corresponding CDD-880 (as indicated by

CDM-840 Remote Router Revision 2 Appendix F MN-CDM840 F–11 An integral number of VersaFEC blocks are used for both the preamble and the data segment

CDM-840 Remote Router Revision 2 Appendix F MN-CDM840 F–12 F.4 Glossary of Terms Abbreviation Term Comments ASR Application Switch Request ASR i

G–1 Appendix G. WAN/RAN OPTIMIZATION G.1 Overview The CDM-840 Remote Router supports E1 RAN (Radio Access Network) Optimization as a FAST option. Th

CDM-840 Remote Router Revision 2 Appendix G MN-CDM840 G–2 In the cellular network, the RAN connects cell-site nodes with central-site nodes: • For

CDM-840 Remote Router Revision 2 Appendix G MN-CDM840 G–3 G.2 E1 RAN Optimization Jointly developed by Comtech EF Data, CEFD sister division Comtec

CDM-840 Remote Router Revision 2 Appendix G MN-CDM840 G–4 G.2.1 Process Overview Figure G-3. RAN Optimization (GSM Abis Interface

CDM-840 Remote Router Revision 2 Appendix G MN-CDM840 G–5 G.2.2 WAN Link Dimensioning and Pre-emptive Bandwidth Management RAN traffic varies over t

CDM-840 Remote Router Revision 2 Appendix G MN-CDM840 G–6 As implemented by Comtech EF Data, the superior method of handling WAN congestion is to pe

CDM-840 Remote Router Revision 2 Appendix G MN-CDM840 G–7 G.2.3 Performance Monitoring The RAN Optimizer collects detailed usage and performance sta

CDM-840 Remote Router Revision 2 Preface MN-CDM840 xx Notes:

CDM-840 Remote Router Revision 2 Appendix G MN-CDM840 G–8 G.2.3.1 Traffic Throughput (kbps) This graph illustrates the utilization of al

CDM-840 Remote Router Revision 2 Appendix G MN-CDM840 G–9 Association of the Link Quality Metric to its comparative Link Quality is as follows: Lin

CDM-840 Remote Router Revision 2 Appendix G MN-CDM840 G–10 Notes:

2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 • 333 • 2200 PHONE 480 • 333 • 2161 FAX

1–1 Chapter 1. INTRODUCTION 1.1 Overview Figure 1-1. CDM-840 Remote Router The CDM-840 Remote Router (Figure 1-1) is a point-to-multipoint router.

CDM-840 Remote Router Revision 2 Introduction MN-CDM840 1–2 network environments that require high-performance, high-quality IP transport with “alwa

CDM-840 Remote Router Revision 2 Introduction MN-CDM840 1–3 o ACM allows the modulator to automatically and seamlessly adjust the transmitted MODCO

CDM-840 Remote Router Revision 2 Introduction MN-CDM840 1–4 1.3 CDM-840 Features 1.3.1 Physical Description The CDM-840 Remote Router is constr

CDM-840 Remote Router Revision 2 Introduction MN-CDM840 1–5 1.3.3 CDM-840 Physical Features 1.3.3.1 Front Panel Figure 1-4. CDM-840 – Front Panel

ER-CDM840-EA2 Rev - PLM C-0029457 Errata A for MN-CDM840 Rev 2 Comtech EF Data Documentation Update Subject: Update Section B.2.2, Deleted Oc

CDM-840 Remote Router Revision 2 Introduction MN-CDM840 1–6 1.3.3.2 Rear Panel PROPER GROUNDING PROTECTION IS REQUIRED. The equipment must be con

CDM-840 Remote Router Revision 2 Introduction MN-CDM840 1–7 1.3.3.2.2 Rear Panel Optional Features The unit provides the following Data Interfaces

CDM-840 Remote Router Revision 2 Introduction MN-CDM840 1–8 1.4 CDM-840 Specifications 1.4.1 Product Feature Specifications Item Description Fron

CDM-840 Remote Router Revision 2 Introduction MN-CDM840 1–9 Item Description Supported Protocols RFC 768 – UDP RFC 791 – IP RFC 792 – ICMP RFC

CDM-840 Remote Router Revision 2 Introduction MN-CDM840 1–10 Item Description VersaFEC CODEC BER 16QAM (With two adjacent carriers, each 7 dB highe

2–1 Chapter 2. INSTALLATION 2.1 Unpacking and Inspecting the Shipment Figure 2-1. Unpacking and Inspecting the Shipment Th

CDM-840 Remote Router Revision 2 Installation MN-CDM840 2–2 Once opened, inspect the shipment (Figure 2-1): Step Task 1 Keep all shipping mater

CDM-840 Remote Router Revision 2 Installation MN-CDM840 2–3 Feature Description 1 Custom Rack Enclosure 2 CDM-840 Remote Ro

CDM-840 Remote Router Revision 2 Installation MN-CDM840 2–4 2.2.1 Installing the Optional Rear-Mounting Support Brackets Kit KT-0000XXX Pr

CDM-840 Remote Router Revision 2 Installation MN-CDM840 2–5 Tools needed to install the KT-0000168 (4”) or KT-0000195 (10”) Bracket Kit (Figure 2

ER-CDM840-EA2 Rev - PLM C-0029457

CDM-840 Remote Router Revision 2 Installation MN-CDM840 2–6 Notes:

3–1 Chapter 3. REAR PANEL CONNECTIONS 3.1 Cabling Connection Types The CDM-840 Remote Router uses a number of different cables. Each cable type is ty

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–2 • Bayonet Coupling Style: The jack has a pair of guide posts that accommodate

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–3 3.1.1.4 Type ‘F’ Type ‘F’ connectors feature a Threaded Coupling design simil

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–4 Connection Instructions: Orient the plug to the receptacle in the proper posit

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–5 3.2 CDM-840 Cabling Connections Figure 3-3. CDM-840 Cabling Conne

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–6 3.2.1 IF Connector Group THERE MAY BE DC VOLTAGES PRESENT ON THE TYPE ‘N’ RX

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–7 3.2.3 Utility Connector Group 3.2.3.1 ‘MANAGEMENT | FE’ (Fast Ethernet) Conn

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–8 3.2.3.3 ‘CONSOLE’ Interface Connector Connector Type Name Direction Type

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–9 3.2.3.4 ‘ALARMS’ Interface Connector Pin 2 of this connector provides

Copyright © 2013 Comtech EF Data. All rights reserved. Printed in the USA. Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA, 480.333.2

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–10 3.3 CDM-840 Ground and Power Connections 3.3.1 Chassis Ground Interface P

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–11 3.3.2 115V/230V Alternating Current (AC) Power Interface (Standard)

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–12 3.3.2.2 AC Operation – Replacing Fuses The CDM-840 uses two 5mm x 20mm Slo

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–13 3.3.3 48V Direct Current (DC) Power Interface (Optional)

CDM-840 Remote Router Revision 2 Rear Panel Connections MN-CDM840 3–14 3.3.3.2 DC Operation – Replacing Fuses The fuses are contained within indivi

4–1 Chapter 4. UPDATING FIRMWARE 4.1 Updating Firmware via the Internet TO ENSURE OPTIMAL PERFORMANCE, IT IS IMPORTANT TO OPERATE THE CDM-840 WITH I

CDM-840 Remote Router Revision 2 Updating Firmware MN-CDM840 4–2 (Left) Standard CDM-840 115V/230V AC Unit (Right) Optional CDM-840 48V DC Unit 4.2

CDM-840 Remote Router Revision 2 Updating Firmware MN-CDM840 4–3 • Management IP Address (e.g., default is 192.168.1.12/24) • Firmware Number and

CDM-840 Remote Router Revision 2 Updating Firmware MN-CDM840 4–4 • Right-click on the new folder and then select “Rename” from the popup submenu. R

CDM-840 Remote Router Revision 2 Updating Firmware MN-CDM840 4–5 D. Use Windows Command-line to create the temporary folder. • First, click [St

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CDM-840 Remote Router Revision 2 Updating Firmware MN-CDM840 4–6 4.3 Downloading and Extracting the Firmware Update 1. First, download the firmwar

CDM-840 Remote Router Revision 2 Updating Firmware MN-CDM840 4–7 o Click [Open] to turn over file extraction to the user-supplied utility program.

CDM-840 Remote Router Revision 2 Updating Firmware MN-CDM840 4–8 • Type “dir” to list the files extracted to the temporary directory from the downl

CDM-840 Remote Router Revision 2 Updating Firmware MN-CDM840 4–9 • Once the Management IP Address is known – use Command-line to PING: Type “ping x

CDM-840 Remote Router Revision 2 Updating Firmware MN-CDM840 4–10 B. Reboot the CDM-840: • Go to either the CDM-840 Web Server Interface ‘Admin

5–1 Chapter 5. FAST ACTIVATION PROCEDURE 5.1 Introduction The CDM-840 Remote Router incorporates a number of optional features. In order to permit a

CDM-840 Remote Router Revision 2 FAST Activation Procedure MN-CDM840 5–2 5.2 FAST Activation via the Web Server Interface See Sect. 6.4.4.2.3 Ad

CDM-840 Remote Router Revision 2 FAST Activation Procedure MN-CDM840 5–3 5.2.1 FAST Configuration The read-only table in this section displays th

CDM-840 Remote Router Revision 2 FAST Activation Procedure MN-CDM840 5–4 5.2.2 FAST Upgrade To perform the CDM-840 FAST option upgrade, follow thes

6–1 Chapter 6. ETHERNET-BASED REMOTE PRODUCT MANAGEMENT 6.1 Introduction Ethernet-based Remote Product Management is available through the CDM-840 r

iii TABLE OF CONTENTS TABLE OF CONTENTS ...I

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–2 6.2 Ethernet Management Interface Protocols The user PC f

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–3 6.3 SNMP Interface The Simple Network Management Protocol

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–4 Two Community Strings are defined for SNMP access: • Rea

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–5 6.4.2 Web Server Interface – Operational Features 6.4.2.1

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–6 Step Task 1 On the Tools menu, click Internet Options. 2 O

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–7 6.4.2.2 Navigation The CDM-840 Web Server Interface provid

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–8 6.4.2.5 Drop-down Lists A drop-down list lets you choose f

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–9 6.4.3 Web Server Interface – Menu Tree 1. Any diagram

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–10 6.4.4 Web Server Interface Page Descriptions 1. Access

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–11 6.4.4.1.2 Home | Contact For all product support, please

CDM-840 Remote Router Revision 2 Table of Contents MN-CDM840 iv 1.3 CDM-840 Features ...

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–12 6.4.4.3 Admin | SNMP Sect. 6.3 SNMP Interface The Admini

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–13 6.4.4.3.1 Admin | FAST See Chapter 5. FAST ACTIVATION P

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–14 6.4.4.4 Admin | Firmware Chapter 4. UPDATING FIRMWARE Us

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–15 6.4.4.4.1 Admin | Auto Logout Use this page to incorporat

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–16 6.4.4.4.2 Admin | VMS VMS v3.x.x VIPERSAT Management Sys

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–17 • Management Multicast IP Port – The Multicast Address

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–18 6.4.4.5 Configuration Pages 1. The BUC and LNB tabs are

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–19 FE – Management Interface The acceptable/valid operating r

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–20 6.4.4.5.1.2 Configuration | Interface | GE 1. The IP Ad

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–21 • VLAN Access Mode forces the Traffic Interface to carry

CDM-840 Remote Router Revision 2 Table of Contents MN-CDM840 v 3.2.3.4 ‘ALARMS’ Interface Connector...

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–22 6.4.4.5.1.3 Configuration | Interface | E1 Pages Appendi

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–23 Click [Submit] to save any changes made to the E1 Configu

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–24 6.4.4.5.1.3.2 Configuration | Interface | E1 | Time Slots

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–25 6.4.4.5.2 Configuration | WAN Pages The BUC and LNB tabs

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–26 Demodulator The upper range of Symbol Rate selection req

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–27 • Gold Code (000000 to 262141) – The Gold-n Index descram

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–28 Step Task 5 If the initial attempt fails, then the demod w

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–29 Demodulator Frequency The Demodulator Frequency Calcul

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–30 6.4.4.5.2.1.2 Configuration | WAN | Demod | ACM (Adaptive

CDM-840 Remote Router Revision 2 Ethernet-based Remote Product Management MN-CDM840 6–31 If an CDM-840 Remote Router reports that its demod is u