Juniper EX4100 User Manual

Table 26: DC Power Supply LEDs on an EX4100 Switch
Name Color Descripon
IN OK Unlit Indicates one of the following:
• The power supply is disconnected from the DC power feed.
• The DC power input voltage is not within the normal operang range.
Green The power supply is receiving power.
Red The power supply has failed.
Flashing Red This PSU is not receiving power.
OUT OK Unlit Indicates one of the following:
• IN OK LED is unlit.
• The power supply is not delivering power correctly.
Green The power supply is funconing correctly.
Red The power supply has failed and must be replaced.
Flashing red This PSU is not receiving power.
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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