Juniper EX4650 Series User Manual

CAUTION: The V+ terminals are shunted internally together, as are the V- terminals.
The same polarity terminal can be wired together from the same source to provide an
additional current path in a higher power chassis. Do not connect the terminals to different
sources.
Table 22 on page 54 describes the LEDs on the DC power supplies.
Table 22: DC Power Supply LEDs on an EX4650 Switch
DescriptionStateColorLED
The power supply is disconnected from
power, or power is not coming into the power
supply.
OffUnlitIn
Power is coming into the power supply.On steadilyGreen
The power supply is disconnected from
power, or the power supply is not sending out
power correctly.
OffUnlitOut
The power supply is sending out power
correctly.
On steadilyGreen
An error has occurred in the power supply.
Replace the power supply as soon as possible.
To maintain proper airflow through the
chassis, leave the power supply installed in
the chassis until you are ready to replace it.
On steadilyAmberFault
54

Juniper EX4650 Series Specifications

General

Cooling	Front-to-back or back-to-front airflow
Rack Units	1U
MAC address table size	288, 000 entries
Memory	16 GB
Storage	64 GB SSD
Power Supply	Dual redundant, hot-swappable
Junos OS	Supported
Jumbo frames	9216 bytes
Operating temperature	0°C to 40°C (32°F to 104°F)
Input voltage	AC: 100-240V
Fans	Hot-swappable, redundant
Operating humidity	5% to 90% (non-condensing)
Ports	48 x 10GbE SFP+/SFP28 ports 8 x 40GbE QSFP+/100GbE QSFP28 ports