Juniper EX9208 Hardware Guide

Line Card LED in an EX9200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Configuring Rate Selectability on an EX9200-12QS Line Card to Enable Different
Port Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Configuring Rate Selectability at the PIC Level . . . . . . . . . . . . . . . . . . . . . . . . 72
Configuring Rate Selectability at the Port Level . . . . . . . . . . . . . . . . . . . . . . . . 74
Part 2 Site Planning, Preparation, and Specifications
Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Site Preparation Checklist for an EX9208 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 79
Environmental Requirements and Specifications for EX Series Switches . . . . . . . 81
General Site Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Rack Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Clearance Requirements for Airflow and Hardware Maintenance for an EX9208
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Chapter 7 Planning Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Power Requirements for EX9200 Switch Components . . . . . . . . . . . . . . . . . . . . . 91
AC Power Supply Specifications for EX9208 Switches . . . . . . . . . . . . . . . . . . . . . 92
AC Power Cord Specifications for an EX9208 Switch . . . . . . . . . . . . . . . . . . . . . . 93
DC Power Supply Specifications for EX9208 Switches . . . . . . . . . . . . . . . . . . . . . 96
Grounding Cable and Lug Specifications for EX9200 Switches . . . . . . . . . . . . . . 97
Grounding Points Specifications for an EX9200 Switch . . . . . . . . . . . . . . . . . 97
Grounding Cable Lug Specifications for an EX9200 Switch . . . . . . . . . . . . . 98
Grounding Cable Specifications for an EX9200 Switch . . . . . . . . . . . . . . . . . 98
Calculating the EX Series Switch Fiber-Optic Cable Power Budget . . . . . . . . . . . 99
Calculating the EX Series Switch Fiber-Optic Cable Power Margin . . . . . . . . . . . 100
Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Pluggable Transceivers Supported on EX9200 Switches . . . . . . . . . . . . . . . . . . . 103
Pluggable Transceivers Supported on EX Series Switches . . . . . . . . . . . . . . . . . . 132
SFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . . . . . . . . . . . 133
Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Standards Supported by These Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
QSFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . . . . . . . . . 138
Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Management Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation,
and Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 144
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 145
Chapter 9 Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Console Port Connector Pinout Information for an EX Series Switch . . . . . . . . . . 147
USB Port Specifications for an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 148
RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . 149
RJ-45 to DB-9 Serial Port Adapter Pinout Information for a Switch . . . . . . . . . . 150
vCopyright © 2017, Juniper Networks, Inc.
Table of Contents

Juniper EX9208 Specifications

General

Brand	Juniper
Model	EX9208
Category	Switch
Language	English