Juniper EX3300 Series User Manual

NOTE: One person must be available to lift the switch while another secures
the switch to the rack.
CAUTION: If you are mounting multiple units on a rack, mount the heaviest
unit at the bottom of the rack and mount the other units from the bottom of
the rack to the top in decreasing order of the weight of the units.
To mount the switch on four posts in a rack:
1. Remove the switch from the shipping carton (see “Unpacking an EX3300 Switch” on
page 66).
2. Attach the front brackets (either the flush or the 2-in.-recess brackets) to the side-rail
brackets using six 4-40 flat-head Phillips mounting screws. See Figure 23 on page 72.
Figure 23: Attaching the Front Bracket to the Side-Rail Bracket
3. Place the switch on a flat, stable surface.
4. Align the side-rail brackets along the side panels of the switch chassis. Align the two
holes in the rear of the side-rail brackets with the two holes on the rear of the side
panel.
5. Insert 4x6-mm Phillips flat-head mounting screws into the two aligned holes and
tighten the screws. Ensure that the two holes in the rear of the side-rail brackets are
aligned with the remaining two holes in the side panel. See Figure 24 on page 72.
Figure 24: Attaching the Side-Rail Bracket to the Switch Chassis
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Copyright © 2011, Juniper Networks, Inc.72
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)