Cisco SCE8000 GBE Installing - Pagina 4

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Site Requirements

Table 4-1

Airflow Intake

Right side

Table 4-2

Specification

Temperature

Relative humidity

Heat dissipation

Power Requirements

Warning

Read the installation instructions before connecting the system to the power source.

Follow these requirements when preparing your site for the Cisco SCE8000 installation:

•

Cisco SCE8000 10GBE Installation and Configuration Guide

4-4

Chassis Airflow Requirements

Airflow Exhaust

Left side

Ambient Temperature and Humidity Requirements for the Cisco SCE 8000

The redundant power configuration provides a second, identical power supply to ensure that power

to the chassis continues uninterrupted if one power supply fails or input power on one line fails.

Connect each of the two power supplies to a separate input power source. If you fail to do this, your

system might be susceptible to total power failure because of a fault in the external wiring or a

tripped circuit breaker.

To prevent a loss of input power, be sure that the total maximum load on each circuit supplying the

power supplies is within the current ratings of the wiring and breakers.

In some systems, you might use an uninterruptible power supply (UPS) to protect against power

failures at your site. Avoid UPS types that use ferroresonant technology. These UPS types can

become unstable with systems like the Cisco SCE8000, which can have substantial current draw

fluctuations because of bursty data traffic patterns.

Air Filter Option

Not applicable

Acceptable Range

Nominal: 32°F to 104°F (0°C to 40°C)

Storage: -4°F to 149°F (-20°C to 65°C)

Operating: 10% to 85%

Storage: 5% to 95% (non-condensing)

Single SCE8000-SCM-E module:

•

AC Power: 950 W / 3250 BTUs

–

DC Power: 1000 W / 3450 BTUs

–

Dual SCE8000-SCM-E modules:

•

AC Power: 1350 W / 4600 BTUs

–

DC Power: 1430 W / 4880 BTUs

–

Chapter 4 Installing the Cisco SCE8000 Chassis

Minimum

Horizontal

Clearance (walls)

Separation

6 in (15 cm)

12 in (30.5 cm)

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