
ManagementCableSpecifications....................................105
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation,
andDispersion.................................................106
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . 106
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . 106
Chapter9 PinoutSpecifications.............................................109
Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Mini-USB Port Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
USB Port Specifications for an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 110
RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . 112
RJ-45 Port, QSFP+ Port, SFP+ Port, and SFP Port Connector Pinout
Information ....................................................112
RJ-45 to DB-9 Serial Port Adapter Pinout Information . . . . . . . . . . . . . . . . . . . . . 117
Virtual Chassis Port Connector Pinout Information for EX4550 Switches . . . . . . 117
Chapter10 PlanningtheVirtualChassis........................................121
Understanding EX4200, EX4500, and EX4550 Virtual Chassis Hardware
Configurations..................................................121
Ports Used to Interconnect Virtual Chassis Members . . . . . . . . . . . . . . . . . . . 121
Number of Switches, Required Software Releases, and Member Roles That
You Configure in the Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
VirtualChassisModule..........................................123
Switch Role and Member ID on the LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . 124
Planning EX4200, EX4500, and EX4550 Virtual Chassis . . . . . . . . . . . . . . . . . . . 124
Virtual Chassis Cabling Configuration Examples for EX4550 Switches . . . . . . . . 126
Part 3 Initial Installation and Configuration
Chapter11 UnpackingtheSwitch.............................................135
UnpackinganEX4500Switch........................................135
Parts Inventory (Packing List) for an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . 136
Registering Products—Mandatory for Validating SLAs . . . . . . . . . . . . . . . . . . . . . 137
Chapter12 InstallingtheSwitch..............................................139
Installing and Connecting an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
MountinganEX4550Switch.........................................140
Mounting an EX4550 Switch on Two Posts in a Rack or Cabinet . . . . . . . . . . . . . 141
Mounting an EX4550 Switch on Four Posts in a Rack or Cabinet . . . . . . . . . . . . 143
Mounting an EX4550 Switch in a Recessed Position in a Rack or Cabinet . . . . . . 147
Installing and Removing EX4550 Switch Hardware Components . . . . . . . . . . . . 148
Chapter 13 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 151
Parts and Tools Required for Connecting an EX Series Switch to Earth
Ground....................................................151
Special Instructions to Follow Before Connecting Earth Ground to a
Switch....................................................154
Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . 156
Connecting AC Power to an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Connecting DC Power to an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
vCopyright © 2017, Juniper Networks, Inc.
Table of Contents