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NOTE: Line cards are not part of the base or redundant configuration. Youmust order
them separately.
NOTE: If you have a Juniper J-Careservice contract, register any addition, change, or
upgradeof 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 add a new type of line card. It does not applyif you replace these components
with the same type of component.
Related Topics Installing and Removing EX8208 Switch Hardware Components on page 149•
• Removing an SRE Module from an EX8208 Switch on page 215
• Removing an SF Module from an EX8208 Switch on page 217
• Removing a Line Card from an EX8200 Switch on page 218
• Removing an AC Power Supply from an EX8200 Switch on page 207
• Removing a Fan Tray from an EX8208 Switch on page 211
• Removing a Transceiver from an EX Series Switch on page 222
Switch Fabric and Routing Engine (SRE) Module in an EX8208 Switch
The Switch Fabric and Routing Engine (SRE) module performs switching and system
management functions in an EX8208 switch. See Figure 7 on page 25.
You can install one or two SRE modules in an EX8208 switch. A base configuration
EX8208 switch has only one SRE module. See “EX8208 Switch Configurations” on
page 6. Youcan add a second SRE module to the configuration for Routing Engine and
switch control redundancy. See “Understanding EX8208 Switch Component and
Functionality Redundancy” on page 11.
The SRE modules install horizontally into the front of the chassis in slots labeled SRE0
and SRE1.
Copyright ©2010,Juniper Networks,Inc.24
CompleteHardwareGuide forEX8208 EthernetSwitches