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MN-CDM840 Revision 2
1
Errata A for MN-CDM840 Rev 2
3
CDM-840
5
TABLE OF CONTENTS
7
Table of Contents MN-CDM840
10
FIGURES
14
PREFACE
17
Safety and Compliance
18
Electrical Installation
18
Operating Environment
19
(2004/108/EC)
19
(91/263/EEC)
20
CE Mark
21
Product Support
21
Comtech EF Data Headquarters
21
Warranty Policy
22
Limitations of Warranty
22
Exclusive Remedies
23
Preface MN-CDM840
24
Chapter 1. INTRODUCTION
25
Introduction MN-CDM840
26
1.3 CDM-840 Features
28
1.3.1 Physical Description
28
1.3.2 Dimensional Envelope
28
1.3.3.1 Front Panel
29
1.3.3.2 Rear Panel
30
1.4 CDM-840 Specifications
32
1.4.2 Bit Error Rate (BER)
33
1.4.3 Standard Assemblies
34
1.4.4 Optional Assemblies
34
1.4.5 Regulatory Compliance
34
Chapter 2. INSTALLATION
35
Installation MN-CDM840
36
Chapter 3. REAR PANEL
41
CONNECTIONS
41
3.1.1.1 Type ‘BNC’
42
3.1.1.2 Type ‘TNC’
42
3.1.1.3 Type ‘N’
42
3.1.1.4 Type ‘F’
43
Chapter 4. UPDATING FIRMWARE
55
• Local Echo = ON
56
Updating Firmware MN-CDM840
57
Chapter 5. FAST ACTIVATION
65
PROCEDURE
65
5.2.1 FAST Configuration
67
5.2.2 FAST Upgrade
68
Chapter 6. ETHERNET-BASED
69
REMOTE PRODUCT
69
6.3 SNMP Interface
71
6.4.1 User Login
72
6.4.2.1 Virtual Front Panel
73
6.4.2.2 Navigation
75
6.4.2.3 Page Sections
75
6.4.2.4 Action Buttons
75
6.4.2.5 Drop-down Lists
76
6.4.2.6 Text or Data Entry
76
6.4.4.1 Home Pages
78
6.4.4.1.1 Home
78
6.4.4.1.2 Home
79
6.4.4.2.1 Admin
79
6.4.4.3 Admin
80
6.4.4.3.1 Admin
81
6.4.4.4 Admin
82
Auto Logout Configuration
83
6.4.4.4.2 Admin
84
6.4.4.5 Configuration Pages
86
FE – Management Interface
87
VLAN Configuration
88
E1 Configuration
90
RAN Optimization
91
E1 Port
91
Time Slot Configuration
92
Demodulator
94
Demodulator Frequency
97
Modulation)
98
Rx ACM Configuration
99
Rx ACM Status (read-only)
99
Modulator Frequency
103
Tx ACM Configuration
104
Tx ACM Status (read-only)
105
Tx ACM Events (read-only)
105
(TOP) QoS Control Mode = OFF
106
6.4.4.5.2.3)
107
QoS Rules Table (Edit)
109
Receive WAN Labels
112
Refresh Rates
113
BUC Control
114
BUC Status
115
LNB Control
115
LNB Status
116
Add New Route
118
Delete Route
118
Route Table (Edit)
118
IGMP Configuration
119
IGMP Table
120
DHCP Relay
121
Add Static ARP
122
Delete Static ARP
122
Flush Dynamic ARPs
122
ARP Table (Edit)
123
Working Mode
123
DNS Caching
124
DNS Cache Flush
124
ECM Remote Configuration
126
Load Switching Configuration
128
ToS Switching Configuration
129
(ToS Rules Table)
129
6.4.4.6 Status Pages
130
Ethernet Statistics
131
Mod Statistics
131
Demod Statistics
131
Clear Statistics
132
Clear Compression Counters
133
Clear QoS Counters
135
QoS Statistics
135
E1 Transmit Statistics
137
Clear E1 Receive Statistics
138
E1 Receive Packet Statistics
138
E1 Receive Statistics
139
Traffic Throughput (kbps)
141
RAN Link Quality
141
RANOp Savings
141
6.4.4.6.2 Status
142
6.4.4.7 Utility Pages
143
6.4.4.7.1 Utility
143
Save/Load Configuration
144
BERT Config
145
BERT Monitor
145
Redundancy
145
Console Configuration
145
6.4.4.7.2 Utility
146
MANAGEMENT
147
7.2.1 Basic Protocol
149
7.2.2 Packet Structure
150
7.2.2.1 Start of Packet
150
7.2.2.2 Target Address
151
7.2.2.3 Address Delimiter
151
7.2.2.4 Instruction Code
151
7.2.2.7 End of Packet
153
7.3.1 Table Indexes
154
Appendix A. REFERENCE
175
DOCUMENTATION
175
Appendix A MN-CDM840
176
(ACM/VCM)
177
A.4 E1 WAN/RAN Optimization
178
Appendix B. FEC (FORWARD
181
ERROR CORRECTION) OPTIONS
181
B.2.1 Range of Data Rates
182
B.3 VersaFEC
183
(Short-block LDPC)
183
B.3.1 Range of Data Rates
184
Appendix B MN-CDM840
185
Comtech VersaFEC® Codec
189
Rate 0.488 BPSK
189
Rate 0.533, 0.631, 0.706
190
Rate 0.642, 0.711, 0.780
191
Rate 0.731, 0.780, 0.829
192
Appendix C. BRIDGE POINT-TO
193
MULTIPOINT (BPM) OPERATION
193
C.2.1 F lat Network
194
C.2.3 VLAN Trunking
195
C.3 Packet Processing
195
C.3.2 Management Network
196
C.4 IEEE 802.1Q Support
197
C.4.1 VLAN Trunking
197
C.4.2 Acces s Mode Support
197
C.5 Multicast BPM Behavior
198
Appendix C MN-CDM840
199
C.9 Summary
205
C.10 Glossary
206
Appendix D. HEADER AND
207
PAYLOAD COMPRESSION
207
HTML 4.4:1 3.4:1 2.65:1
208
Appendix D MN-CDM840
209
Appendix E. DATA COLLECTION
213
Appendix E MN-CDM840
214
Appendix F. ENTRY CHANNEL
221
MODE (ECM)
221
Appendix F MN-CDM840
222
F.2.3.1 Tap Message
227
F.2.3.2 HCC Configuration
227
F.2.3.3 Hub Operation
227
F.4 Glossary of Terms
232
Appendix G. WAN/RAN
233
OPTIMIZATION
233
G.1.2 RAN Inefficiency
234
G.2 E1 RAN Optimization
235
G.2.1 Process Overview
236
Appendix G MN-CDM840
237
G.2.3 Performance Monitoring
239
G.2.3.2 RAN Link Quality
240
G.2.3.3 RANOp Savings
241
480 • 333 • 2200 PHONE
244
• 333 • 2161 FAX
244
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