![](/images/new-backgrounds/1314500/31450059x1.webp)
Chapter 1 Cisco CRS Carrier Routing System
Chassis Power System
Figure 1-9 Airflow Through 8-Slot Line Card Chassis
Front | Rear |
| Fan |
Air filter | Fan |
| |
Air enters |
|
PLIM side | Power system |
|
Air exits MSC and fabric card side
122784
Chassis Power System
Two types of power systems are available for the Cisco CRS
For more information, refer to Chapter 2, “Installing and Removing Power Components.”
Safety Guidelines
Before you perform any procedure in this document, review the safety guidelines in this section to avoid injuring yourself or damaging the equipment. The following guidelines are for your safety and to protect equipment. The guidelines do not include all hazards. Be alert.
Note Review the safety warnings listed in Regulatory Compliance and Safety Information that are applicable to your router before installing, configuring, or troubleshooting any installed card.
•Keep the work area clear and
•Do not wear loose clothing, jewelry, or other items that could get caught in the router while working with line cards, or their associated components.
•Cisco equipment operates safely when used in accordance with its specifications and
•Be sure to power down a fixed configuration PDU or modular configuration power shelf before removing it from the chassis.
Cisco CRS Carrier Routing System
| ||
|