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Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Installation Guide
OL-6256-17
Chapter 4 Installing and Removing Line Cards, PLIMs, and Associated Components
How to Install or Remove a Physical Layer Interface Module
A physical layer interface module (PLIM) is paired with an MSC through the midplane of the chassis.
A PLIM provides the ability to choose several interfaces. Figure 4-32 shows a typical PLIM (in this case
a 14-port 10-GE XFP PLIM).
Figure 4-32 Typical Physical Layer Interface Module (a 14-port 10-GE XFP PLIM)
Caution The system may indicate a hardware failure if you do not follow proper procedures. Remove or install
only one PLIM at a time. Allow at least 15 seconds for the system to complete the preceding tasks before
removing or installing another PLIM.
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