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Chassis Features
7450 ESS-7 M
This section describes the 7450 ESS-7 SF/CPM, IOMs, and MDAs.
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SF/CPM
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The SF/CPM controls the routing and switching functions for the entire 7450 ESS-7 system. The
ESS-7 operates with at least one SF/CPM installed. The redundant SF/CPM operates in standby
mode and takes over system operation if the primary fails.
The SF/CPM connects directly to the backplane and carries traffic between line cards. The
backplane provides high-speed access to the SF/CPMs, IOMs, and MDAs.
The switch fabric (SF) portion of the SF/CPM receives and directs traffic to the appropriate
destinations according to the routing information.
Each SF/CPM module can accommodate up to 3 compact flash memory cards which can be used
to copy and store system boot, software images, and configuration files and logs.
Figure 5
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Page 20
ODULES
SF/CPMs on page 20
IOMs on page 26
MDAs on page 26
displays the front panel faceplate.
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Figure 5: SF/CPM Faceplate Example
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ESS1004
7450 ESS-7
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