Juniper EX4200 Series User Manual

•
Replace fuses only with fuses of the same type and rating.
•
Do not open or remove chassis covers or sheet-metal parts unless instructions are
provided in the hardware documentation for this product. Such an action could cause
severe electrical shock.
•
Do not push or force any objects through any opening in the chassis frame. Such an
action could result in electrical shock or fire.
•
Avoid spilling liquid onto the EX Series switch chassis or onto any switch component.
Such an action could cause electrical shock or damage the switch.
•
Avoid touching uninsulated electrical wires or terminals that have not been
disconnected from their power source. Such an action could cause electrical shock.
•
Always ensure that all modules, power supplies, and cover panels are fully inserted
and that the installation screws are fully tightened.
Related Topics AC Power Electrical Safety Guidelines for EX Series Switches on page 238•
• DC Power Electrical Safety Guidelines for EX Series Switches on page 240
• General Electrical Safety Guidelines and Warnings for EX Series Switches on page 235
• Maintenance and Operational Safety Guidelines and Warnings for EX Series Switches
on page 226
• Laser and LED Safety Guidelines and Warnings for EX Series Switches on page 213
• Installation Instructions Warning for EX Series Switches on page 219
• Grounded Equipment Warning for EX Series Switches on page 226
Definitions of Safety Warning Levels for EX Series Switches
The documentation for EX Series switches uses the following levels of safety warnings
(there are two “Warning” formats):
NOTE: You might find this information helpful in a particular situation, or you might
overlook this important information if it was not highlighted in a Note.
CAUTION: You need to observe the specified guidelines to avoid minor injury or
discomfort to you or severe damage to the EX Series switch.
WARNING: This symbol alerts you to the risk of personal injury from a laser.
Copyright © 2010, Juniper Networks, Inc.208
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