Cisco CRS-1 - Carrier Routing System Router

5-2
Cisco CRS-1 Carrier Routing System SIP and SPA Hardware Installation Guide
OL-17439-01
Chapter 5 Installing and Removing a SIP
Handling SIPs
A PLIM impedance carrier must be installed in each empty PLIM slot in the Cisco CRS-1 router chassis
(see Figure 5-2). The impedance carrier preserves the integri
ty of the chassis and is required for EMI
compliance and proper cooling in the chassis.
Figure 5-2 PLIM Impedance Carrier
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