Dell Z9000 Manual - Página 12

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Rack Mounting

When you prepare your equipment rack, ensure that the rack is earth ground.

Ground the equipment rack to the same ground point the power service in your area uses. The ground

path must be permanent.

Grounding

Use the Z9000 in a common bond network (CBN).

Connect the grounding cables as described in

Fans and Airflow

The Z9000 fans support two airflow options.

Be sure to order the fans suitable to support your site's ventilation. Use a single type of airflow fan in your

system. Do not mix reverse and normal airflows in a single S4810–ON chassis.

•

Normal — airflow is from the I/O panel to the power supply. The grab-handle is labeled Exhaust.

•

Reversed — airflow is from the power supply to the I/O panel. The grab-handle is labeled Intake.

For proper ventilation, position the Z9000 in an equipment rack (or cabinet) with a minimum of 5 inches

(12.7 cm) of clearance around the exhaust vents. When you install two Z9000 systems near each other,

position the two chassis at least 5 inches (12.7 cm) apart to permit proper airflow. The acceptable

ambient temperature ranges are listed in Specifications.

The fan speed increases and decreases automatically based on the system's state and temperature. The

switch never intentionally turns off the fans. To see the log messages, use the show logging

command. For more information, refer to the System Logs chapter of the Dell Networking OS Command

Line Reference Guide for the Z9000 System and the Dell Networking OS Configuration Guide for the

Z9000 System.

NOTE: Power Supplies and Fan Modules are field replaceable units. Dell Networking does not

support a mix of power supply types (such as, AC and DC) in the same switch. If a power supply is

added or replaced, it MUST match the existing type of power supply (such as, AC and AC or DC and

DC).

Power

To connect the chassis to the applicable power source, use the appropriate power cord with the Z9000.

An AC power cord is included with the system.

When installing AC systems, follow the requirements of the National Electrical Code, ANSI/NFPA 70

where applicable.

The system is powered-up as soon as the power cord is connected between the system and the power

source.

CAUTION: Always disconnect the power cable before you service the power supply slots.

Install the

Z9000.

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