Juniper EX4600 Series User Manual

NOTE: If you have a Juniper J-Care service contract, register any addition,
change, or upgrade of hardware components at
https://www.juniper.net/customers/csc/management/updateinstallbase.jsp .
Failure to do so can result in significant delays if you need replacement parts.
This note applies if you change the type of power supply or add a new type
of expansion module. It does not apply if you replace these components with
the same type of component.
Related
Documentation
EX4600 Switch Hardware Overview on page 3•
• Installing and Removing EX4600 Switch Hardware Components on page 167
Removing an Expansion Module from an EX4600 Switch
The expansion modules used in EX4600 switches are hot-removable and hot-insertable
field-replaceable units (FRUs): You can remove and replace them without powering off
the switch or disrupting switch functions.
Before you begin removing an expansion module from the switch:
•
Ensure that you have taken the necessary precautions to prevent electrostatic discharge
(ESD) damage (see “Prevention of Electrostatic Discharge Damage” on page 120).
•
If there are any transceivers installed in the expansion module, remove them before
you remove the expansion module. For instructions on removing transceivers, see
“Removing a Transceiver from an EX Series Switch” on page 179.
Ensure that you have the following parts and tools available:
•
ESD grounding strap
•
Phillips screwdriver, number 2
•
A replacement optional module or cover panel
•
An antistatic bag or antistatic mat
CAUTION: We recommend that you install either a replacement optional
moduleor a coverpanel in the empty moduleslot to avoid chassisoverheating
and dust accumulation.
To remove an expansion module from the switch (see Figure 33 on page 174):
1. Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD
point on the chassis.
2. Unscrew both captive screws on the faceplate of the expansion module by using your
fingers. If you are unable to unscrew the captive screws by using your fingers, use the
screwdriver.
173Copyright © 2014, Juniper Networks, Inc.
Chapter 20: Replacing Components

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