Cisco uBR7100E Series Instalační příručka stáhnout pdf (Strana 90)

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Cisco uBR7100 Series and Cisco uBR7100E Series Universal Broadband Router Hardware Installation Guide

OL-5916-01

Chapter 6 Maintenance

Upgrading the SDRAM Memory Modules

Figure 6-7 Locating the SDRAM DIMM 1 and SDRAM DIMM 2

Figure 6-8 Opening DIMM Latches

Step 4 With the DIMM latches open, grasp the ends of the DIMM between your thumbs and forefingers and

pull the DIMM completely out of the socket.

Figure 6-9 Removing the DIMM

FrontBack

116838

Polarization

notch alignment

SDRAM

DIMM 2

SDRAM

DIMM 1

1 Release latches 2 SDRAM DIMM

66412

1 Notch 2 Metal fingers

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1 2

1 2 ... 85 86 87 88 89 90 91 92 93 94 95 ... 137 138

Text Part Number: OL-5916-01 1
CONTENTS 3
Contents 4
4 System Startup 4-1 5
6 Maintenance 6-1 5
A System Specifications A-1 6
C Cable Specifications C-1 6
E Site Log E-1 6
Audience 7
Organization 8
Conventions 9
Safety Warning 10
Avvertenza 11
Advarsel 11
¡Advertencia! 11
Varning! 12
Related Documentation 14
Terms and Acronyms 15
Obtaining Documentation 17
Documentation Feedback 18
Product Overview 21
Cisco uBR7100 Series Models 22
Cisco uBR7100 25
Fixed Interface Units 26
Field-Replaceable Units 27
Ethernet 28
Fast Ethernet 28
Flash Disks 29
SDRAM Memory 30
Functional Overview 31
Slot 3 Slot 0 32
PCMCIA Card 32
MAC Addresses 33
Online Insertion and Removal 34
Network Processor Card 35
FrontBack 36
Other Interfaces 37
System LEDs and Reset Button 38
Functional Overview 39
Preparing for Installation 41
Shipping Container Contents 42
Safety Guidelines 43
Safety Guidelines 44
Chassis Lifting Guidelines 45
Site Requirement Guidelines 46
Site Requirement Guidelines 47
Power Connection Guidelines 49
Plant Wiring Guidelines 50
Ethernet Connections 51
Port Adapter WAN Connections 51
Console Port Connections 52
Auxiliary Port Connections 53
Broadband Routers 55
Cisco uBR7100 series router 56
Rack-Mounting the Chassis 57
Physical Placement 58
Attaching the Ground Wire 59
Chassis grounding receptacles 60
Grounding wire 60
Grounding lug 60
Connecting to the Network 62
Connecting to the Network 63
Connecting the Power 66
System Startup 67
Starting the System 68
System LEDs 69
Chapter 4 System Startup 70
Starting the System 70
Troubleshooting Overview 71
Identifying Startup Problems 72
Troubleshooting Overview 73
Maintenance 77
Environmental Monitoring 78
Flash Memory Card Usage 81
Front Back 82
Chapter 6 Maintenance 83
Flash Memory Card Usage 83
Removing a Flash Memory Card 84
Removing the Chassis Cover 88
Removing the SDRAM DIMM 89
Replacing the SDRAM DIMM 91
Replacing the Chassis Cover 92
Powering On the Router 93
System Specifications 95
RF Specifications 97
Digital Signal Levels 100
System/Channel 100
OL-5916-01 102
Requirements 103
GPS Receivers 104
Spectrum Analyzers 104
Vector Signal Analyzers 104
European Channel Plans 105
Cable Specifications 107
RJ-45 connector 108
Pin 1 and pin 8 109
Pin 1 Pin 1 111
Laser Classification Labels 113
Frequency Allocation Tables 115
Standards Comparisons 116
Frequencies 124
Site Log 129
Table E-1 Site Log Example 130

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