Juniper EX3300 Series User Manual

Related
Documentation
General Safety Guidelines and Warnings on page 133•
• Connecting Earth Ground to an EX Series Switch on page 83
Maintenance and Operational Safety Guidelines and Warnings
This topic applies to hardware devices in the EX Series product family, which includes
switches and the XRE200 External Routing Engine.
This topic also applies to hardware devices in the QFX Series.
While performing the maintenance activitiesfordevices, observe the following guidelines
and warnings:
•
Jewelry Removal Warning on page 151
•
Lightning Activity Warning on page 152
•
Operating Temperature Warning on page 153
•
Product Disposal Warning on page 154
Jewelry Removal Warning
WARNING: Before working on equipment that is connected to power lines,
remove jewelry, including rings, necklaces, and watches. Metal objects heat
up when connected to power and ground and can cause serious burns or can
be welded to the terminals.
Waarschuwing Alvorens aan apparatuur te werken die met elektrische
leidingen is verbonden, sieraden (inclusief ringen, kettingen en horloges)
verwijderen. Metalen voorwerpen worden warm wanneer ze met stroom en
aarde zijn verbonden, en kunnen ernstige brandwonden veroorzaken of het
metalen voorwerp aan de aansluitklemmen lassen.
Varoitus Ennen kuin työskentelet voimavirtajohtoihin kytkettyjen laitteiden
parissa, ota pois kaikki korut(sormukset, kaulakorutja kellot mukaan lukien).
Metalliesineet kuumenevat, kun ne ovat yhteydessä sähkövirran ja maan
kanssa, ja ne voivat aiheuttaa vakavia palovammoja tai hitsata metalliesineet
kiinni liitäntänapoihin.
Attention Avant d'accéderàcet équipement connecté aux lignes électriques,
ôtertoutbijou (anneaux, colliersetmontrescompris).Lorsqu'ilssont branchés
à l'alimentation et reliés à la terre, les objets métalliques chauffent, ce qui
peut provoquer des blessuresgravesou souder l'objet métallique aux bornes.
Warnung Vor der Arbeit an Geräten, die an das Netz angeschlossen sind,
jeglichen Schmuck (einschließlich Ringe, Ketten und Uhren) abnehmen.
Metallgegenstände erhitzen sich, wenn sie an das Netz und die Erde
angeschlossen werden, und können schwere Verbrennungen verursachen
oder an die Anschlußklemmen angeschweißt werden.
151Copyright © 2011, Juniper Networks, Inc.
Chapter 18: Installation and Maintenance Safety Information

Juniper EX3300 Series Specifications

General

Layer Support	Layer 2 and Layer 3
JUNOS OS	Yes
Ports	24 or 48 x 10/100/1000BASE-T ports
Uplink Ports	4 x 1GbE/10GbE SFP/SFP+ ports
Power Supply	AC or DC options
Stacking	Yes, up to 10 units
MAC Address Table Size	32, 000
Operating Humidity	10% to 90% non-condensing
PoE Support	Available on PoE models
Virtual Chassis	Yes, up to 10 units
Operating Temperature	32° to 104° F (0° to 40° C)