Juniper EX3300 Series User Manual

6. Insert the 4x6-mm Phillips flat-head mounting screws into the remaining two holes
in the side-rail brackets and tighten the screws.
7. Have one person grasp both sides of the switch, lift the switch, and position it in the
rack, aligning the side-rail bracket holes with the threaded holes in the front post of
the rack. Align the bottom hole in both the mounting brackets with a hole in each rack
rail, making sure the chassis is level. See Figure 25 on page 73.
Figure 25: Mounting the Switch to the Front Posts in a Rack
g004477
Side-rail
bracket
Switch
Front
bracket
8. Have a second person secure the front of the switch to the rack by using the appropriate
screws for your rack.
9. Slide the rear brackets into the side-rail brackets. See Figure 26 on page 73.
Figure 26: Sliding the Rear Brackets to the Rear of a Four-Post Rack
g004478
Side-rail
bracket
Switch
Rear brackets
10. Attach the rear brackets to the rear post by using the appropriate screws for your rack.
Tighten the screws.
11. Ensure that the switch chassis is level by verifying that all the screws on the front of
the rack are aligned with the screws at the back of the rack.
73Copyright © 2011, Juniper Networks, Inc.
Chapter 9: Installing the Switch

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)