Juniper EX4600 Series User Manual

Figure 22: Connecting an AC Power Cord to an AC Power Supply in an
EX4600 Switch
1— Power cord retainer
6. If the AC power source outlet has a power switch, set it to the OFF (O) position.
NOTE: The switch powers on as soon as power is provided to the power
supply. There is no power switch on the device.
7. Insert the power cord plug into an AC power source outlet.
8. If the AC power source outlet has a power switch, set it to the ON (|) position.
9. Verify that the AC and DC LEDs on each power supply are lit green.
If the amber fault LED is lit, remove power from the power supply, and replace the
power supply (see“Removing a Power Supply from an EX4600 Switch” on page 169
). Do not remove the power supply until you have a replacement power supply ready:
the power supplies or a blank cover panel must be installed in the switch to ensure
proper airflow.
CAUTION: Replacea failedpowersupply with a blank panel or new power
supply within 1 minute of removal to prevent chassis overheating.
Related
Documentation
AC Power Supply in an EX4600 Switch on page 23•
• AC Power Supply LEDs on an EX4600 Switch on page 194
Connecting DC Power to an EX4600 Switch
The power supply in an EX4600 switch is a hot-removable and hot-insertable
field-replaceable unit (FRU). You can remove and replace it without powering off the
switch or disrupting switch functions.
149Copyright © 2014, Juniper Networks, Inc.
Chapter 17: Connecting the EX4600 Device

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