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Lenovo S3200 Setup Manual: Electrical Guidelines

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• Ideally, use two people to lift an enclosure. However, one person can safely lift an enclosure if its
weight is reduced by removing the power supply modules and disk drive modules.
• Do not place enclosures in a vertical position. Always install and operate the enclosures in a horizontal
(level) orientation.
• When installing enclosures in a rack, make sure that any surfaces over which you might move the rack
can support the weight. To prevent accidents when moving equipment, especially on sloped loading
docks and up ramps to raised floors, ensure you have a sufficient number of helpers. Remove obstacles
such as cables and other objects from the floor.
• To prevent the rack from tipping, and to minimize personnel injury in the event of a seismic occurrence,
securely anchor the rack to a wall or other rigid structure that is attached to both the floor and to the
ceiling of the room.

Electrical guidelines

• These enclosures work with single-phase power systems having an earth ground connection. To reduce
the risk of electric shock, do not plug an enclosure into any other type of power system. Contact your
facilities manager or a qualified electrician if you are not sure what type of power is supplied to your
• Enclosures are shipped with a grounding-type (three-wire) power cord. To reduce the risk of electric
shock, always plug the cord into a grounded power outlet.
• Do not use household extension cords with the enclosures. Not all power cords have the same current
ratings. Household extension cords do not have overload protection and are not meant for use with
computer systems.
Ventilation requirements
Refer to
Environmental requirements
• Do not block or cover ventilation openings at the front and rear of an enclosure. Never place an
enclosure near a radiator or heating vent. Failure to follow these guidelines can cause overheating and
affect the reliability and warranty of your enclosure.
• Leave a minimum of 15.2 cm (6 inches) at the front and back of each enclosure to ensure adequate
airflow for cooling. No cooling clearance is required on the sides, top, or bottom of enclosures.
• Leave enough space in front and in back of an enclosure to allow access to enclosure components for
servicing. Removing a component requires a clearance of at least 38.1 cm (15 inches) in front of and
behind the enclosure.
Cabling requirements
• Keep power and interface cables clear of foot traffic. Route cables in locations that protect the cables
from damage.
• Route interface cables away from motors and other sources of magnetic or radio frequency
• Stay within the cable length limitations.
• Controller and drive enclosures are suitable for connection to intra-building or non-exposed wiring or
cabling only.
• Controller and drive enclosures are suitable for installation in Network Telecommunication Facilities
and locations where the NEC applies. Enclosures are not suitable for Outside Plant (OSP) installations.
Management host requirements
A local management host with at least one mini-USB connection is recommended for the initial installation
and configuration of a controller enclosure. After you configure one or both of the controller modules with
an IP address, you then use a remote management host on an Ethernet network to manage and monitor.
NOTE: Connections to this device must be made with shielded cables – grounded at both ends – with
metallic RFI/EMI connector hoods, in order to maintain compliance with FCC Rules and Regulations.
Specifications and requirements
on page 74 for detailed environmental requirements.


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