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Juniper M7i Hardware Guide

Juniper M7i
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Chapter 7 Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 59
M7i Power System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
M7i AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
M7i DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
M7i Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Chapter 8 Switch Fabric Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . 63
M7i Compact Forwarding Engine Board (CFEB) and Enhanced Compact
Forwarding Engine Board (CFEB-E) Description . . . . . . . . . . . . . . . . . . . . . . . 63
CFEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
CFEB-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
M7i Adaptive Services Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
M7i MultiServices Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
M7i CFEB and CFEB-E LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Part 2 Site Planning, Preparation, and Specifications
Chapter 9 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
M7i Router Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
M7i Router Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
M7i Router Rack Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
M7i Router Clearance Requirements for Airflow and Hardware Maintenance . . . . 77
M7i Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
M7i Chassis Grounding, Connection, and Cable Specifications . . . . . . . . . . . . . . . 78
M7i Router Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Chapter 10 AC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 83
M7i Router AC Power, Connection, and Power Cord Specifications . . . . . . . . . . . . 83
M7i Router AC Power Supply Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Chapter 11 DC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 87
M7i Router DC Power Supply Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
M7i DC Power Cable and Cable Lug Specifications . . . . . . . . . . . . . . . . . . . . . . . . 88
DC Power Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
DC Power Lugs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Chapter 12 Network Cable and Transceiver Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Fiber-Optic and Network Cable Specifications for the M7i Router . . . . . . . . . . . . . 91
Attenuation and Dispersion in Fiber-Optic Cable on M Series, MX Series, and T
Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable for the M7i
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Calculating Power Budget for Fiber-Optic Cable for M Series, MX Series, and T
Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Calculating Power Margin for Fiber-Optic Cable for M Series, MX Series, and T
Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Chapter 13 Management Cable and Transceiver Specifications and Pinouts . . . . . . . . 97
Routing Engine Interface Cable and Wire Specifications for the M7i Router . . . . . 97
RJ-45 Connector Pinouts for the M7i Routing Engine MGMT Port . . . . . . . . . . . . . 98
vCopyright © 2019, Juniper Networks, Inc.
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Juniper M7i Specifications

General IconGeneral
BrandJuniper
ModelM7i
CategoryNetwork Router
LanguageEnglish

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