Juniper Networks MX240 manuals

Juniper networks MX240 User Manual (242 pages)

Brand: Juniper-networks | Category: Unknown | Size: 4.89 MB |

English

Table of contents

Hardware Guide

1

End User License Agreement

3

Part 2 Setting Up the Router

6

Procedures

7

Part 4 Appendixes

9

Table of Contents

10

Table of Contents ■ xi

11

Part 5 Index

12

List of Figures

13

List of Tables

15

About This Guide

17

Documentation Conventions

18

JUNOS References

21

Release Notes

23

Obtaining Documentation

26

Documentation Feedback

26

Requesting Technical Support

27

MX240 Router Overview

29

2 ■ MX240 Router Overview

30

Router Overview

31

Component Redundancy

32

Hardware Components

33

6 ■ Router Chassis

34

Router Chassis ■ 7

35

Midplane

36

DPC Components

38

Host Subsystem

39

Switch Control Board (SCB)

39

SCB Slots

40

SCB Redundancy

40

SCB Components

41

SCB LEDs

41

Routing Engine

42

Host Subsystem ■ 15

43

Routing Engine Boot Sequence

44

Cable Management System

45

Craft Interface

45

ACO/LT (for “alarm

46

18 ■ Craft Interface

46

Host Subsystem LEDs

47

Power Supply LEDs

47

DPC LEDs

48

Fan LEDs

48

Power Supplies

49

AC Power Supply

49

AC Power Supply LEDs

50

DC Power Supply

51

Cooling System

52

Figure 18: Fan Tray

53

26 ■ Cooling System

54

Setting Up the Router

55

28 ■ Setting Up the Router

56

Chapter 3

57

Cabinet Requirements

58

Cabinet Airflow Requirements

58

Rack Requirements

59

Rack Size and Strength

59

Installation Overview

63

Unpacking the Router

65

Verifying Parts Received

66

Verifying Parts Received ■ 39

67

40 ■ Verifying Parts Received

68

Chapter 6

69

Installing the Router

73

Tools Required

74

Figure 23 on page 42

75

Connecting the Router

77

Connecting DPC Cables

79

52 ■ Connecting DPC Cables

80

Chapter 9

81

Grounding the Router

82

83

PS FAIL LED is not lit

83

OFF position

84

RTN) and the negative

86

Powering Off the Router

87

60 ■ Powering Off the Router

88

Configuring JUNOS Software

89

Chapter 11

95

Maintaining the Air Filter

96

Maintaining the Fan Tray

96

show chassis routing-engine

98

Maintaining DPCs

100

1/0, 1, and 2, left to right:

101

Maintaining DPC Cables

102

Handling and Storing DPCs

102

Holding a DPC

103

Storing a DPC

105

Chapter 12

107

Alarm Relay Contacts

108

Component LEDs

109

Troubleshooting DPCs

111

Replacing Hardware Components

115

Tools and Parts Required

116

Replacing the Craft Interface

117

Removing the Craft Interface

117

Replacing Alarm Relay Wires

119

Replacing the Fan Tray

120

Installing the Fan Tray

121

Replacing the Air Filter

122

Installing the Air Filter

123

RE0 functions as the

124

Replacing an SCB

125

PARK icon

126

Removing an SCB

127

Installing an SCB

128

Replacing a Routing Engine

130

Removing a Routing Engine

130

Installing a Routing Engine

131

Replacing a DPC

134

Installing a DPC

136

Figure 50: Installing a DPC

138

Removing an AC Power Supply

141

Installing an AC Power Supply

142

Removing a DC Power Supply

142

OFF position O

143

Installing a DC Power Supply

144

Replacing an AC Power Cord

146

ON position — and observe

149

Appendixes

151

124 ■ Appendixes

152

Information

153

Qualified Personnel Warning

155

Fire Safety Requirements

158

Fire Suppression

159

Fire Suppression Equipment

159

Chassis-Lifting Guidelines

160

Ramp Warning

164

Class 1 Laser Product Warning

165

Class 1 LED Product Warning

165

Laser Beam Warning

166

Battery Handling Warning

168

Jewelry Removal Warning

169

Lightning Activity Warning

170

Operating Temperature Warning

170

Product Disposal Warning

171

Agency Approvals

183

European Community

185

Declaration of Conformity

186

United States

187

Lithium Battery

187

Physical Specifications

189

162 ■ Physical Specifications

190

Appendix C

191

Specifications

193

Grouding Cable Specification

194

DC Power Specifications

194

DC Power Cable Specifications

198

AC Power Specifications

200

AC Power Cord Specifications

202

Figure 64: AC Plug Types

203

Radio Frequency Interference

204

Electromagnetic Compatibility

204

Cable and Wire Guidelines and

207

0.5 dBSplice

210

Single-mode—0.5 dB/km

210

Multimode—1 dB/km

210

Fiber attenuation

210

Interfaces

211

Cable Connector Pinouts

213

Mechanical Lift

215

Removing the Power Supplies

216

Removing the Fan Tray

217

Removing SCBs

217

Removing DPCs

218

Figure 68: Removing a DPC

219

Reinstalling the Fan Tray

222

Reinstalling SCBs

223

Reinstalling DPCs

224

Returning Hardware

225

SCB Serial Number Label

227

DPC Serial Number Label

228

(see Figure 80 on page 202)

229

Contacting Customer Support

230

Return Procedure

231

Index on page 209

235

208 ■ Index

236

Index ■ 209

237

210 ■ Index

238

Index ■ 211

239

212 ■ Index

240

Index ■ 213

241

214 ■ Index

242

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