Cisco 7120-4T1 - 7120 Router Spezifikationen PDF herunterladen (Seite 7)

Contents

vii

Cisco 7100 Series VPN Router Installation and Configuration Guide

78-6341-03

Fiber-Optic Transmission Specifications C-22

SONET Distance Limitations C-22

Power Budget C-22

Approximating the MM3 and SMI3 Port Power Margin C-23

Multimode Power Budget Example with Sufficient Power for Transmission C-24

Multimode Power Budget Example of Dispersion Limit C-24

Single-Mode Transmission C-25

SONET Single-Mode Power Budget Example C-25

Using Statistics to Estimate the Power Budget C-25

NDEX

1 2 3 4 5 6 7 8 9 10 11 12 ... 175 176

Text Part Number: 78-6341-03 1
CONTENTS 3
Contents 4
B System Specifications B-1 6
C Cable Specifications C-1 6
Audience 9
78-6341-03 10
Installation Warning 10
Document Organization 11
Related Documentation 11
Document Conventions 15
Terms and Acronyms 17
Obtaining Documentation 19
Documentation Feedback 20
Cisco.com 20
Technical Assistance Center 20
Cisco TAC Website 21
Cisco TAC Escalation Center 21
Overview 23
Chapter 1 Overview 24
Product Description 24
Cisco 7120 Series Overview 27
Cisco 7120-T3 30
Cisco 7120-E3 31
Cisco 7140 Series Overview 36
Cisco 7140-2E3 38
Cisco 7140-8T 42
Field-Replaceable Units 44
Port Adapters 45
RESETSM-ISM 46
ENCRYPT/COMP 47
VPN Acceleration Module (VAM) 48
Flash Disks 49
SDRAM Memory 50
Functional Overview 52
Slot 4Slot 5 Slot 3 53
MAC Addresses 54
Online Insertion and Removal 55
Network Processor Card 56
FrontBack 57
System LEDs and Reset Button 60
Environmental Monitoring 61
Fan Failures 64
Preparing for Installation 65
Shipping Container Contents 66
Safety Guidelines 66
Chassis Lifting Guidelines 69
Site Requirement Guidelines 70
Rack-Mounting Guidelines 70
Power Connection Guidelines 73
Plant Wiring Guidelines 74
Ethernet Connections 76
WAN Connections 76
Console Port Connections 77
Auxiliary Port Connections 77
Rack-Mounting the Chassis 80
Attaching the Brackets 81
Chassis grounding receptacles 84
Grounding wire 84
Grounding lug 84
Connecting to the Network 85
7140 - 2AE3 86
To T3 network 89
Serial 1/0 Serial 2/0 89
Cisco 7140-2AE3 90
To ATM T3 network 91
Serial 1/0 91
To ATM E3 network 92
Connecting the Power 96
Startup Configuration.” 98
Configuring a Router 101
Configuring the T3 Interfaces 109
Configuring the E3 Interfaces 111
Troubleshooting Overview 123
Identifying Startup Problems 125
APPENDIX 129
Fast Ethernet and Ethernet 130
SM-EC-3DES 131
System Specifications 133
Cable Specifications 135
Identifying a Rollover Cable 136
RJ-45 connector 139
Router port 140
Interface cable 140
Router connections 141
EIA/TIA-449 V.35 X.21 141
EIA/TIA-232 EIA-530 141
EIA/TIA-232 Connections 142
1. HD = high-density 143
EIA/TIA-449 Connections 144
V.35 Connections 146
X.21 Connections 149
EIA-530 Connections 150
Cisco 7140-2E3 Cables 152
75-ohm coaxial cabling 154
BNC plugBNC plug 154
To ATM network 154
Ferrite bead 154
SONET Distance Limitations 156
Power Budget 156
Single-Mode Transmission 159
Numerics 161

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