Juniper EX4100 User Manual

How to Posion the Switch
Posion the switch with front-to-back airow in such a manner that the AIR OUT labels on the fan
modules and power supplies are next to the hot aisle (see Figure 52 on page 66).
Figure 52: Deployment of Switches with Front-to-Back Airow Through the Switch Chassis
Posion the switch with back-to-front airow in such a manner that the AIR IN labels on the fan
modules and power supplies are next to the cold aisle (see Figure 53 on page 66).
Figure 53: Deployment of Switches with Back-to-Front Airow Through the Switch Chassis
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Juniper EX4100 Specifications

General

Model	EX4100
Category	Switch
Layer	Layer 2/3
Power Consumption	Varies by model and configuration
PoE	Optional
Management	Web UI, CLI, SNMP
Operating Temperature	0°C to 45°C
Input Voltage	100-240V AC
Storage Temperature	-40°C to 70°C
Humidity	5% to 90% non-condensing
DC Power Input	-48V DC
JUNOS OS	Yes
Security Features	ACLs
Layer 2 Features	VLAN, RSTP, MSTP, LACP
Layer 3 Features	Static routing, OSPF
QoS	8 queues per port