Juniper EX4300 Hardware Manual page 5

Chapter 8
Chapter 9
Part 3
Chapter 10
Chapter 11
Chapter 12
Copyright © 2017, Juniper Networks, Inc.
DC Power Supply Specifications for EX4300 Switches . . . . . . . . . . . . . . . . . . . . 104
Calculating the EX Series Switch Fiber-Optic Cable Power Budget . . . . . . . . . . . 104
Calculating the EX Series Switch Fiber-Optic Cable Power Margin . . . . . . . . . . . 105
Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Pluggable Transceivers Supported on EX4300 Switches . . . . . . . . . . . . . . . . . . 109
Pluggable Transceivers Supported on EX Series Switches . . . . . . . . . . . . . . . . . . 133
SFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . . . . . . . . . . 134
Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Standards Supported by These Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
QSFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . . . . . . . . . 141
Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Management Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation,
and Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 147
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 147
Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Mini-USB Port Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
USB Port Specifications for an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 150
RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . 152
RJ-45 Port, QSFP+ Port, SFP+ Port, and SFP Port Connector Pinout
Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
RJ-45 to DB-9 Serial Port Adapter Pinout Information . . . . . . . . . . . . . . . . . . . . . 157
Initial Installation and Configuration
Unpacking the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Unpacking an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Parts Inventory (Packing List) for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . 162
Registering Products-Mandatory for Validating SLAs . . . . . . . . . . . . . . . . . . . . . 163
Installing the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Installing and Connecting an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Mounting an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Mounting an EX4300 Switch on Two Posts of a Rack or Cabinet . . . . . . . . . . . . 167
Mounting an EX4300 Switch on Four Posts of a Rack or Cabinet . . . . . . . . . . . . 169
Mounting an EX4300 Switch in a Recessed Position in a Rack or Cabinet . . . . . . 173
Mounting an EX4300 Switch on a Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Installing and Removing EX4300 Switch Hardware Components . . . . . . . . . . . . 176
Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 179
Parts and Tools Required for Connecting an EX Series Switch to Earth
Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Special Instructions to Follow Before Connecting Earth Ground to a
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
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