Cisco CRS Manual

Step 9
Use the screwdriver to loosen the four captive screws, two on each side, that attach the inlet grille screen to the frame
assembly. Remove the screen from the frame assembly. See the figure below.
Step 10
Remove the four screws, two on each side, that attach the frame assembly to the chassis. See the figure below.
Figure 15: Removing the Front (SFC) Side Inlet Screen and Lower Grille Frame Assembly
Lower grille screen frame
assembly
2Lower grille screen1
Cisco CRS Carrier Routing System Fabric Card Chassis Installation Guide
22
Installing and Removing Exterior Cosmetic Components
Steps

Cisco CRS Specifications

General

Operating System	Cisco IOS XR
Product Type	Core Router
Form Factor	Modular Chassis
Dimensions	Varies by chassis type
Weight	Varies by chassis type
Architecture	Distributed
Switch Fabric	Multi-stage
Interface Support	Ethernet, SONET/SDH, OTN
Interfaces/Ports	Varies by line card
Port Density	Varies by line card
Routing Protocol	BGP, IS-IS, OSPF, MPLS
Management	CLI, SNMP
Power Supply	Redundant, hot-swappable
Cooling	Redundant, Hot-swappable Fan Trays
Supported Protocols	IPv4, IPv6, MPLS
Management Interfaces	Ethernet, console
Security Features	ACLs