Cisco 8800 Series, Руководство по установке оборудования

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Temperature and Physical Specifications
For temperature and physical specifications, refer to the
Physical characteristics
table in the Cisco 8000 Series
Routers Data Sheet .
Weight and Power Consumption
For weight and power consumption, refer to the Physical characteristics table in the Cisco 8000 Series Routers
Data Sheet .
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 Tray N+1 Redundancy Mode in Watts
(with Single Supply Loss) Combined Mode in Watts (No
redundancy) Total Power
Supply
1 — 6,300 1
6,300 12,600 2
12,600 18,900 3
2
1
18,900 25,200 4
25,200 31,500 5
31,500 37,800 6
3
2
37,800 44,100 7
44,100 50,400 8
50,400 56,700 9
Hardware Installation Guide for Cisco 8800 Series Routers
7
Cisco 8800 Series Routers Overview
Temperature and Physical Specifications