Juniper EX4300 Hardware Manual page 5

Chapter 8
Chapter 9
Part 3
Chapter 10
Chapter 11
Chapter 12
Copyright © 2015, Juniper Networks, Inc.
DC Power Supply Specifications for EX4300 Switches . . . . . . . . . . . . . . . . . . . . 102
Calculating the EX Series Switch Fiber-Optic Cable Power Budget . . . . . . . . . . . 102
Calculating the EX Series Switch Fiber-Optic Cable Power Margin . . . . . . . . . . . 103
Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Pluggable Transceivers Supported on EX4300 Switches . . . . . . . . . . . . . . . . . . . 107
SFP+ Direct Attach Cables for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . 128
Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Standards Supported by These Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
QSFP+ Direct Attach Cables for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . 132
Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Network Cable Specifications for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . 136
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation,
and Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 137
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 138
Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Console Port Connector Pinout Information for an EX Series Switch . . . . . . . . . . 139
Mini-USB Port Specifications for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . 140
USB Port Specifications for an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Management Port Connector Pinout Information for an EX4300 Switch . . . . . . 142
Network Port, QSFP+ Port, SFP Port, and SFP+ Port Connector Pinout
Information for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
RJ-45 to DB-9 Serial Port Adapter Pinout Information for a Switch . . . . . . . . . . 148
Initial Installation and Configuration
Unpacking the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Unpacking an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Parts Inventory (Packing List) for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . 152
Registering Products-Mandatory for Validating SLAs . . . . . . . . . . . . . . . . . . . . . 153
Installing the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Installing and Connecting an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Mounting an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Mounting an EX4300 Switch on Two Posts of a Rack or Cabinet . . . . . . . . . . . . 157
Mounting an EX4300 Switch on Four Posts of a Rack or Cabinet . . . . . . . . . . . . 159
Mounting an EX4300 Switch in a Recessed Position in a Rack or Cabinet . . . . . 163
Mounting an EX4300 Switch on a Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Installing and Removing EX4300 Switch Hardware Components . . . . . . . . . . . . 165
Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 167
Parts and Tools Required for Connecting an EX Series Switch to Earth
Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Special Instructions to Follow Before Connecting Earth Ground to a
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . 172
Connecting AC Power to an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Connecting DC Power to an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
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