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Juniper EX3200 Hardware Guide

Juniper EX3200
310 pages
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Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Power Supply in EX3200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
AC Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
DC Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
PoE Power Budget and AC Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
AC Power Supply LEDs in EX3200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
DC Power Supply LEDs in EX3200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Chapter 5 Viewing System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Dashboard for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Graphical Chassis Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
System Information Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Health Status Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Capacity Utilization Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Alarms Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
File System Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Chassis Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Part 2 Site Planning, Preparation, and Specifications
Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Site Preparation Checklist for EX3200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Environmental Requirements and Specifications for EX Series Switches . . . . . . . 58
General Site Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Rack Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Requirements for Mounting an EX3200 Switch on a Desktop or Wall . . . . . . . . . 65
Clearance Requirements for Airflow and Hardware Maintenance for EX3200
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Power Specifications for EX3200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
AC Power Cord Specifications for EX3200 Switches . . . . . . . . . . . . . . . . . . . . . . . 70
Calculating the EX Series Switch Fiber-Optic Cable Power Budget . . . . . . . . . . . . 72
Calculating the EX Series Switch Fiber-Optic Cable Power Margin . . . . . . . . . . . . 72
Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Pluggable Transceivers Supported on EX3200 Switches . . . . . . . . . . . . . . . . . . . . 75
Pluggable Transceivers Supported on EX Series Switches . . . . . . . . . . . . . . . . . . 109
SFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . . . . . . . . . . . 111
Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Standards Supported by These Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Management Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation,
and Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 116
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 117
Copyright © 2016, Juniper Networks, Inc.iv
EX3200 Switch Hardware Guide

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Juniper EX3200 Specifications

General IconGeneral
ModelEX3200
Rack Units1U
Layer SupportLayer 2 and Layer 3
Junos OSYes
Maximum VLANs4093
DRAM512 MB
Flash Memory256 MB
Ports24 or 48
Uplink Ports4 SFP
Power SupplyAC or DC
MAC Address Table Size16, 000 entries
Dimensions (W x D x H)17.4 x 14.4 x 1.7 inches
Weight12.3 lb (5.6 kg)
Operating Temperature0°C to 40°C
Operating Humidity10% to 85% (non-condensing)

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