manuais Juniper Networks G10 CMTS

Juniper networks G10 CMTS Manual do Utilizador (210 páginas)

Marca: Juniper-networks | Categoria: Hardware | Tamanho: 5.07 MB |

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Índice

G10 CMTS

1

Release 3.0

1

Table of Contents

3

Chapter 3

4

Chapter 4

5

List of Figures

9

List of Tables

11

About This Manual

13

Audience

14

Document Organization

14

Related Documents

14

Documentation Conventions

15

Notes, Cautions, and Warnings

15

Contact Juniper Networks

16

Documentation Feedback

16

Product Overview

17

Chapter 1

19

Head End

21

Functional Overview

23

G10 CMTS Components

24

G10 CMTS Management

26

G10 CMTS Hardware Overview

26

System Overview

27

Management

30

Chapter 2

35

Physical Characteristics

36

Card Cage and Midplane

37

Connector Function

38

Front View

39

Rear View

39

Chassis Versions

41

Power Supplies

42

Hardware Component Overview

43

Input Range

43

100-240V

43

200W Hot Swap

43

Power Transition Modules

44

Cooling and Fans

45

DOCSIS Module

45

Hot Swap

46

Functional Characteristics

47

Data Packet Processing

48

Higher Layer Functions

49

MAC Layer Functions

50

Physical Layer Functions

50

Modem Management

51

MAC Layer Scheduling

51

Cable Modem Management

51

Dimension Value

52

LED Label Color Function

52

Chassis Control Module

53

Specification Value

57

Connector Label Function

57

Switch Label Function

57

NIC Module

58

CLK PWR RTM OK

59

LED Color Function

63

Chassis Rear Modules

64

NIC Access Module

64

HFC Connector Module

66

Switched I/O Module

69

LED Function

70

Hard Disk Module

71

Routing Protocol Process

74

Routing Protocols

74

Routing and Forwarding Tables

75

Routing Policy

75

Interface Process

76

SNMP and MIB II Processes

76

Management Process

76

Routing Engine Kernel

76

Software Monitoring Tools

77

Data Path Processing

78

Downstream Data Path

78

Upstream Data Path

79

Initial Installation

81

Safety Precautions

84

Environment

88

Mounting

89

Coaxial Cable Requirements

91

Summary Checklist

98

Noise Measurement Methodology

99

Setting Value

100

Prepare the Site

101

Parameter Value

102

Chapter 5

109

Ground the Chassis

110

Rack Mounting

110

Install the CMTS

111

17.3 in (439.4 mm)

113

18.6 in (472.6 mm)

113

Install Power Supplies

117

Install a DOCSIS Module

119

Install a Hard Disk Module

124

Install a NIC Module

124

Install a NIC Access Module

124

Cable the F-connector Ports

125

Cable a NIC Module

129

Cable a NIC Access Module

131

Connect to Power Sources

135

AC Power

135

Power Cord

136

Retainer Clip

136

DC Power

137

Chapter 6

139

LED Status Meaning

141

Power On and Configure the PC

143

Chapter 7

149

RF Measurements

151

Upstream RF Measurement

153

Chapter 8

157

Flap List

158

! Amplifier thermal noise

159

! Fiberoptic link noise

159

! Ingress noise

159

! Stability

160

Local Event Log

161

Operational Commands

162

Troubleshooting

163

CMTS Power and Booting Issues

164

CMTS Is Not Powering Up

164

CMTS Powers Down

165

Cable Modem is Dropped

172

HFC Plant Related Issues

172

Chapter 9

175

Remove Power Supplies

176

Replacement Procedures

177

Fan Trays

178

Replace a Fan Tray

178

Front Fan Trays

179

Rear Fan Tray

179

Module Removal

182

Remove a DOCSIS Module

182

Remove a Hard Disk Module

186

Remove a NIC Module

186

Remove a NIC Access Module

186

Appendixes

187

Appendix A

189

Immunity

190

Appendix B

191

Nominal Symbol Rate

194

(Msym/sec)

194

Nominal Channel Spacing

194

(kHz) Bit Rate (bps)

194

Appendix C

197

Channel STD IRC HRC

198

Numerics

205

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