Juniper EX3300 Series User Manual

6. Insert the power cord plug into an AC power source outlet.
7. If the AC power source outlet has a power switch, set it to the ON (|) position.
Figure 35: Connecting an AC Power Cord Retainer Clip to the AC Power
Cord Inlet
g027013
Retainer clip
Adjustment nut
Figure 36: Connecting an AC Power Cord to the AC Power Cord Inlet
g027014
Tighten
adjustment nut.
Related
Documentation
Connecting and Configuring an EX Series Switch (CLI Procedure) on page 110•
• Power Supply in EX3300 Switches on page 21
Connecting DC Power to an EX3300 Switch
The power supply is built in along the rear panel.
WARNING: DC-powered switches are intended for installation only in a
restricted access location.
Before you begin connecting DC power to the switch, ensure that you have connected
the switch chassis to earth ground.
CAUTION: Before you connect power to the switch, a licensed electrician
must attach a cable lug to the grounding and power cables that you supply.
A cablewith an incorrectlyattached lugcan damagethe switch(forexample,
by causing a short circuit).
To meet safety and electromagnetic interference (EMI) requirements and
to ensure proper operation, you must connect the switch to earth ground
before you connect them to power. For installations that require a separate
grounding conductor to the chassis, use the protective earthing terminal on
Copyright © 2011, Juniper Networks, Inc.92
Complete Hardware Guide for EX3300 Ethernet Switches

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)