Juniper EX4600 Series User Manual

Table 6: Fan Modules for EX4600 Switches (continued)
Power
Supplies
Direction of
Airflow in the
Fan Module
Color of
Fan
Module
Label on
the Fan
ModuleAirflow DiagramFan Module
You must install
only power
supplies that
have AIR OUT
labels in
switches in
which the fan
modules have
AIR OUT labels.
Port-to-FRU,
that is, air comes
in through vents
on the end with
ports; air
exhaustsout the
end with the
fans (also
known as
front-to-back
airflow).
Juniper
Gold
AIR OUTFigure8 on page16QFX5100-FAN-AFO
In data center deployments, position the switch in such a manner that the AIR IN labels
on switch components are next to the cold aisle, and AIR OUT labels on switch
components are next to the hot aisle.
Figure 7: Air In Airflow Through EX4600 Switch Chassis
15Copyright © 2014, Juniper Networks, Inc.
Chapter 3: Cooling System and Airflow
* Optics, Fans and Power supply sold separately for EX4600-40F-S.

Juniper EX4600 Series Specifications

General

Product Series	EX4600
10GbE ports	24 or 48
Cooling	Front-to-back or back-to-front airflow
Rack Units	1 U
Virtual Chassis	Up to 10 members
MAC address table size	288, 000 entries
Memory	8 GB DRAM
Layer 3 Routing	Yes
AC Power Input	100-240V AC
Ports	24 or 48 x 10GbE ports
40GbE ports	4
100GbE ports	0
Power Supply	Dual redundant, hot-swappable AC or DC
Jumbo frames	9216 bytes
Operating temperature	0°C to 45°C
Input voltage	100-240 VAC, -40 to -72 VDC
Operating relative humidity	5% to 90% noncondensing
Fans	Redundant
JUNOS OS	Junos OS
Storage	16 GB flash
DC Power Input	-40 to -72 VDC