Figure 32: Rear View of a DC-Powered EX9208 Switch
Host Subsystem
Switching and routing functionality, system management, and system control functions
of an EX9208 switch are performed by the host subsystem. The host subsystem consists
of a Routing Engine functioning together with a Switch Fabric.
You can install either one or two host subsystems in the slots labeled 0 and 1 in the front
panel of the chassis. A base-configuration EX9208 switch has one host subsystem. A
redundant-configuration EX9208 switch has a second host subsystem. For more
information, see EX9208 Switch Configurations.
Line Cards
The EX9208 switch has six horizontal line card slots and supports line rate for each line
card. The line cards in EX9208 switches combine a Packet Forwarding Engine and Ethernet
interfaces in a single assembly. Line cards are field-replaceable units (FRUs) that you
can install in the line card slots—labeled 0 through 5—on the front of the switch chassis.
All line cards are hot-removable and hot-insertable. Table 33 on page 83 lists the line
cards available for EX9208 switches.
Table 33: Line Cards Available for EX9208 Switches
Additional InformationDescriptionModel
“EX9200-2C-8XS Line Card” on page 25A line card with two 100-Gigabit
Ethernet C form-factor pluggable (CFP)
ports and eight 10-Gigabit Ethernet
small form-factor pluggable plus (SFP+)
ports
EX9200-2C-8XS
83Copyright © 2016, Juniper Networks, Inc.
Chapter 4: Updated EX9208 Topics
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