Cisco Systems Cisco CRS-1 Manual De Usuario
1-8
Cisco CRS-1 Carrier Routing System 4-Slot Line Card Chassis Installation Guide
OL-10971-07
Chapter 1 Overview
Chassis Power System
Figure 1-6
Airflow Through the Cisco CRS-1 4-Slot Line Card Chassis
The Cisco CRS-1 4-slot line card chassis airflow volumes are as follows:
•
Chassis airflow: Up to 880 cubic feet (24,919 liters) per minute
•
Power system airflow: Up to 60 cubic feet (1,699 liters) per minute
Chassis Power System
The Cisco CRS-1 Carrier Routing System 4-Slot Line Card Chassis can be configured with either an
AC-input power subsystem or a DC-input power subsystem. The AC power trays are configured for
single-phase AC power module wiring. The power modules and power trays have separate Cisco part
numbers. For additional information, see the appropriate sections in
AC-input power subsystem or a DC-input power subsystem. The AC power trays are configured for
single-phase AC power module wiring. The power modules and power trays have separate Cisco part
numbers. For additional information, see the appropriate sections in
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.
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.
hazards. Be alert.
Air exhaust
Front
Rear
210072
Chassis
air inlet
Power supplies
and power shelf
Power shelf
air inlet
Air exhaust
Air filter
Fan tray
Midplane