Precautions
2-2 Installation Requirements and Guidelines
• To allow proper air flow and cooling within the rack, ensure the following:
– If multiple products are installed in the rack, the rack must contain products with similar
air flow.
– There must be 5.08 centimeters (2 inches) of clearance behind the S4 chassis and on either
side of the S4 chassis.
• If you are installing an S4 chassis at the bottom of an enclosed rack, leave at least 5.08
centimeters (2 inches) between the floor of the rack and the S4 chassis to ensure proper air
flow and cooling; otherwise, you risk the modules overheating.
AC Power Supply Guidelines
The S-AC-PS, S-AC-PS-15A, and S-POE-PS power supplies require one three-pronged power
receptacle capable of delivering the current and voltage specified in Appendix A, Specifications
and Regulatory Compliance.
One earth-grounded AC outlet on an independently fused circuit is required for each power
supply and must be located as follows:
• S-AC-PS and S-POE-PS: 20 Amp earth-grounded AC outlet within three meters (9.84 feet) of
the site.
• S-AC-PS-15A: 15 Amp earth-grounded AC outlet within two meters (6.56 feet) of the site.
The power supply is shipped with the appropriate power cord for the country’s outlet type.
• S-AC-PS and S-POE-PS: In the United States, Canada, and Mexico, one 3-meter power cord
with a NEMA 5-20P plug is provided with each power supply.
• S-AC-PS-15A: In the United States, Canada, and Mexico, one 2-meter power cord with a
NEMA 5-15P plug is provided with each power supply.
Temperature Guidelines
• Ambient temperature at the installation site must be maintained between 5° and 40°C
(41° to 104°F). Temperature changes must be maintained within 10°C (18°F) per hour.
• To keep your S4 chassis running at the proper temperature, you may have to vacuum any
accumulated dust periodically from the vent holes on the S4 chassis.
Precautions
Ensure that you have read and understood the installation and operation precautions before
installing the S4 chassis.
Warning: Install the Enterasys S-Series chassis in a Restricted Access Location only. Access to the
equipment by users must be restricted through the use of a tool or lock and key or other means of
security and is controlled by the authority responsible for the location.
Advertencia: Instalar el chasis Enterasys S en un lugar de Acceso Restringido. Acceso al equipo
debe ser restringido mediante el uso de una herramienta o candado o cualquier otro método de
seguridad y debe ser controlado por el responsable del lugar.
Warnhinweis: Installieren Sie das S nur in einer zugangsgeschützten Umgebung. Der Bereich zu
den Komponenten sollte durch ein Schloß, einen Schlüssel oder sonstigen Sicherungen geschützt
und durch einen Verantwortlichen kontrolliert werden.
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