Cisco 8800 Series Hardware Installation Manual page 13

Cisco 8800 Series Routers Overview
Temperature and Physical Specifications
For temperature and physical specifications, refer to the Physical characteristics table in the
Routers Data
Weight and Power Consumption
For weight and power consumption, refer to the Physical characteristics table in the
Data
Airflow Direction
The airflow through the fan trays and power supplies on the Cisco 8800 series routers routers are from front
to back (port side intake).
To ensure proper airflow for the router in your facility, position the router with its air intake on a cold aisle
and the air exhaust on a hot aisle.
Maximum Power Available to the Router
The maximum power available for operations depends on the input power from your power source, the number
and output capabilities of your power supplies, and the power redundancy mode that you use.
The following table lists the amount of power available for Cisco 8800 series routers from all available power
trays.
Table 10: Maximum Power Available for a Router with HVAC/HVDC Power Supplies
Total Power
Supply
1
2
3
4
5
6
7
8
9
Sheet.
Sheet.
Combined Mode in Watts (No
redundancy)
6,300
12,600
18,900
25,200
31,500
37,800
44,100
50,400
56,700
Temperature and Physical Specifications
N+1 Redundancy Mode in Watts
(with Single Supply Loss)
—
6,300
12,600
18,900
25,200
31,500
37,800
44,100
50,400
Hardware Installation Guide for Cisco 8800 Series Routers
Cisco 8000 Series
Cisco 8000 Series Routers
Total
Power Tray
1
1
2
2
3
7