Juniper Networks 8 Manual de usuario Pagina 38
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- SOLUCIÓN DE PROBLEMAS
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ERX 8.0.x Hardware Guide
Fans
Forced air-cooling keeps the temperature of the E-series modules and components
within normal
operating limits. In ERX-14xx models, six coolin g fans are located
in a tray at the top of the router (Figure 1). In ERX-7xx mod els, four cooling fans
arelocatedinatrayononesideoftherouter(Figure3). IntheERX-310router,
two cooling f
ans are located in a tray on one side of the router (Figure 5).
The system mo
nitors the temperature of each mod ule. I f the temperature of a
module exceeds the maximum limit, the system imm ediately goes into thermal
protection mode and the m od ules are powered off. The ERX system controller
enters a low p
ower mode, keeps the modules in a power-off condition, and does
not respond to any management interface commands. For information about
troubleshooting high operating temperatures, see “Troubleshooting” on page 103.
In ERX-7xx and ERX–14xx models, the fan tray has two redundant converters
that power t
he fans (for the ERX-14xx models, a –24 V, 50 W converter; for the
ERX-7xx m od el s, a –1 2 V, 15 W converter). If one converter fails, the other
takes over. The ERX-310 router does not have redundant converters.
For all E-series routers, the system software reports an alarm if any
of the fans
or converters fail.
20 Redundancy Features
- ERX™ Hardwa 1
- End User License Agreement 3
- Table of Cont 5
- Initial Insta 6
- Table of Contents vii 7
- Hardware Main 8
- Procedures 8
- ERX 8.0.x Hardware Guide 10
- Table of Contents 10
- About This Gu 11
- E-series Routers 12
- Documentation Conventions 12
- Document Description 14
- Obtaining Documentation 17
- Documentation Feedback 17
- Requesting Support 18
- Product Overview 19
- 2 Product Overview 20
- ERX Overview 21
- ERX-14xx Models 22
- ERX Router s 5 23
- 6 ERX Routers 24
- Figure 4: E 25
- RX-7xx Models, Rear View 25
- ERX-310 Router 26
- Figure 7: E 27
- SRP Module 28
- ERX Modules 11 29
- Module Details 30
- SRP Module Redundancy 31
- Nonvolatile Storage 31
- SRP I/O Module 31
- Line Modules 32
- Packet Classification 33
- I/O Modules 33
- 16 Redundancy Features 34
- NVS Cards 35
- 18 Redundancy Features 36
- Redundancy Features 19 37
- 20 Redundancy Features 38
- Initial Installation 39
- 22 Initial Installation 40
- Unpacking an 41
- L-bracket 42
- The Next Step 25 43
- 26 The Next Step 44
- Installing E 45
- RX Routers 45
- Rack-Moun 46
- Installa 46
- Installing ERX Routers 47
- Rack-Mounted Installation 29 47
- Rack-Mounted Installation 31 49
- Preparing the Equipment Racks 50
- Installing the R outer 50
- 34 The Next Step 52
- Installing M 53
- Slot Groups 54
- Slot Gro 54
- Figure 1 55
- 8: ERX-7xx Model Slot Groups 55
- 38 Overview 56
- E-series Router Location 57
- Order of Installation 58
- Safety Guid 58
- Router Slot 59
- Installing an SRP I/O Module 60
- Installing a 60
- Installing Modules 61
- Line Module or an I/O Module 62
- 1. For SRP modules 64
- 2. Ground yourse 64
- 3. Useascrewdri 64
- 4. Pull the eject 64
- 6. Place t 65
- 7. Cover t 65
- Installing th 66
- 1. Install 68
- 2. Instal 68
- 52 The Next Step 70
- Cabling ERX R 71
- 54 Cabling Overview 72
- Table 7: Req 73
- Cabling the SRP I/O Module 74
- External Timing Ports 74
- Cabling ERX Routers 75
- Cabling the SRP I/O Module 57 75
- ALARMSEXTERNAL TIMING 76
- Management Ports 77
- Connecting to the Network 78
- Connecting t 78
- Cabling the Router for Power 78
- Cable/Wire From To 79
- 1: Turn Off All Router Power 80
- Task 3: Conne 81
- ERX-7xx Mode 81
- ERX-310 Ro 83
- Cabling I/O Modules 84
- BNC Connector 84
- HSSI Connectors 84
- RJ-45 Connectors 85
- C Connectors 85
- LC Duplex C 86
- SC Duplex 86
- Connectors 86
- Cabling I/O Modules 69 87
- SMB Connectors 88
- X.21/V.35 Connector s 89
- X.21/V.35 90
- Powering Up E 91
- RX Router s 91
- Initializat 92
- Status LEDs 93
- Powering Down 93
- 76 The Next Step 94
- Accessing ER 95
- X Routers 95
- Console Port Setup 96
- Using HyperTerminal 96
- Connecting 96
- Directly to the Router 96
- 3. Power up 97
- Assigning an IP Address 98
- Telnet Setup 98
- Accessing ERX Routers 99
- Telnet Setup 81 99
- The Next Step 100
- Troublesho 101
- Maintaining 103
- ERX Router s 103
- Cleaning the 104
- Maintaining ER X Routers 105
- Replacing an NVS Card 107
- Faceplate 108
- Release button 108
- NVS card 108
- Removing SODIMMs 109
- Adding New SODIMMs 110
- Verifying the Upgrade 111
- Replacing S 111
- FPs on I/O Modules 111
- Removing SFPs 112
- Installing SF 113
- 4. Insert th 114
- 6. Remove th 114
- Verifying the Installation 115
- Replacing Fa 115
- 98 Replacing Fan Trays 116
- Removing the Fan Tray 117
- Installi 117
- 2. Place the bott 118
- 3. Push the fan tr 118
- Perforated area 119
- Front of 119
- ERX-7xx model 119
- Troubleshoo 121
- Troubleshoot 122
- LED Identification 123
- SRP module (Figu re 47) 125
- Figure 47: SRP Module LEDs 126
- Figure 48: FE2 Module LEDs 127
- LED Acti 128
- Troubleshooting 129
- Redundancy Status 131
- Resetting L 132
- Detecting Double-Bit Errors 132
- Fixing Double-Bit Errors 133
- Appendixes 135
- 118 Appendixes 136
- System Speci 137
- Category Specification 138
- ERX-7xx Models Specifications 140
- ERX-310 Router Specifications 143
- Installatio 147
- Requirements 147
- Environmenta 148
- Regulatory Compliances 148
- Safety Guidelines 148
- Safety Guidelines 131 149
- 132 Safety Guidelines 150
- Equipment Rack Requirements 151
- Mechanical Requirements 152
- Space Requir 153
- Proper Rack Installation 153
- 136 Cabling Recommendations 154
- Hardware Compliance 156
- Hardware Compliance 139 157
- Avis CS-03 d 158
- ’Industrie Canada 158
- Notes exp 159
- EC Declarati 160
- Voluntary Co 160
- Cable Pinout 161
- 144 SRP I/O Module 162
- Pin Signal 163
- CT1 and CE1 I/O Modules 164
- Table 23: 165
- Figure 5 166
- Pin Signal Pin Signal 167
- 150 CT1 and CE1 I/O Modules 168
- Contacting C 169
- Returning Hardware 169
- P/C: SRP_I/O 171
- ASY: xxx-xxxxx-xx 171
- S/N: xxxxxxxxxx 171
- Tools and Parts Required 172
- Declaration 175
- 158 Declaration of Conformity 176
- Index 159 177
- 160 Index 178
- Index 161 179
- 162 Index 180
- Index 163 181
- 164 Index 182
- Index 165 183
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