Juniper EX4200 Series User Manual

Cooling System and Airflow in an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 33
Uplink Modules in EX3200 and EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . 34
SFP Uplink Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
SFP+ Uplink Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
XFP Uplink Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Chapter 3 Component Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
USB Port Specifications for an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Network Port Connector Pinout Information for an EX3200 or EX4200
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Console Port Connector Pinout Information for an EX Series Switch . . . . . . . . . . . 41
Management Port Connector Pinout Information for an EX3200 or EX4200
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Optical Interface Support in EX3200 and EX4200 Switches . . . . . . . . . . . . . . . . 43
SFP+ Direct Attach Cables for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . 69
Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Standards Supported by These Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Uplink Modules Connector Pinout Information for EX3200 and EX4200
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Virtual Chassis Ports Connector Pinout Information for EX4200 Switches . . . . . . 81
Part 2 Planning for Switch Installation
Chapter 4 Site Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Site Preparation Checklist for EX3200 and EX4200 Switches . . . . . . . . . . . . . . . 87
General Site Guidelines for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Site Electrical Wiring Guidelines for EX Series Switches . . . . . . . . . . . . . . . . . . . . 89
Environmental Requirements and Specifications for EX Series Switches . . . . . . 90
Chapter 5 Mounting and Clearance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Rack Requirements for EX3200 and EX4200 Switches . . . . . . . . . . . . . . . . . . . . 93
Cabinet Requirements for EX3200 and EX4200 Switches . . . . . . . . . . . . . . . . . . 94
Requirements for Mounting an EX3200 or EX4200 Switch on a Desktop or
Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Clearance Requirements for Airflow and Hardware Maintenance for EX3200
and EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Chapter 6 Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Network Cable Specifications for EX3200 and EX4200 Switches . . . . . . . . . . . . 99
Chapter 7 Planning Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Power Specifications for EX3200 and EX4200 Switches . . . . . . . . . . . . . . . . . . . 101
AC Power Cord Specifications for EX3200 and EX4200 Switches . . . . . . . . . . . 102
Copyright © 2010, Juniper Networks, Inc.viii
Complete Hardware Guide for EX3200 and EX4200 Ethernet Switches

Juniper EX4200 Series Specifications

General

Switching Capacity	128 Gbps
Ports	24 or 48 10/100/1000BASE-T ports
Virtual Chassis	Up to 10 switches
Layer 3 Routing	Yes
Maximum VLANs	4096
DRAM	1 GB
Flash Memory	1 GB
Humidity	5% to 90% non-condensing
Power Supply	AC or DC options
MAC Address Table Size	32, 000 entries
Operating Temperature	0°C to 45°C
Layer 2 Features	VLAN, STP, RSTP, MSTP, LACP
Management	CLI, Web UI, SNMP
Storage Temperature	-40°C to 70°C
Input Voltage	AC: 100-240V; DC: -48V