General precautions, Power precautions, Rtc battery precautions – Brocade 300 Hardware Reference Manual User Manual

Page 16: Environmental considerations

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General precautions

DANGER
The procedures in this manual are for qualified service personnel.

CAUTION
Changes or modifications made to this device that are not expressly approved by the party
responsible for compliance could void the user's authority to operate the equipment.

Power precautions

To install and operate the switch successfully, ensure the following:

• The primary outlet is correctly wired, protected by a circuit breaker, and grounded in accordance

with local electrical codes.

• Connect the power cord only to a grounded outlet.

DANGER
Make sure that the power source circuits are properly grounded, then use the power cord
supplied with the device to connect it to the power source.

• The supply circuit, line fusing, and wire size are adequate, as specified by the electrical rating on

the switch nameplate.

• This product is designed for an IT power system with phase-to-phase voltage of 230V. After

operation of the protective device, the equipment is still under voltage if it is connected to an IT
power system.

DANGER
To avoid high voltage shock, do not open the device while the power is on.

The power supply standards provided in

Power supply specifications

on page 34 are met.

RTC battery precautions

Do not attempt to replace the real-time clock (RTC) battery. There is danger of explosion if the battery
is incorrectly replaced or disposed of. Contact your switch supplier if the real-time clock begins to lose
time.

DANGER
Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries
according to the instructions.

Environmental considerations

For successful installation and operation of the switch, ensure that the following environmental
requirements are met:

• At a minimum, adequate cooling requires that you install the switch with the non-port side, which

contains the air intake vents, facing the cool-air aisle.

• All equipment in the rack should force air in the same direction to avoid intake of exhaust air.

General precautions

16

Brocade 300 Hardware Reference Manual

53-1000862-06

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