Avere FXT 5000 Series, Руководство по обслуживанию на месте

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FXT 5000 Series Field Service Guide
2.4.4 Power Supply Replacement
The power supply units for FXT series nodes have detachable power cords. Disconnect the power cord at the power
supply unit before removing the power supply unit from the node. When installing a power supply unit, insert the
unit into the node before connecting the power cord.
When running on a single power supply unit, the node has an increased probability of losing all power as a result of
the single unit failing. Always replace a failed power supply unit as soon as possible after failure.
2.4.5 Hazardous Energy Levels
• To avoid potential injury, remove all chains, rings, watches, and other metal jewelry before performing main-
tenance on powered-on equipment. Burns and other injuries can be caused by the flow of current through a
metallic object if the metallic object comes in contact with powered circuits.
• When replacing externally accessible components while power is applied to the node, never reach into the
empty space created by the removed components, because hazardous energy levels may be present.
2.5 Racked FXT 5000 Series Nodes
To avoid the potential of serious injury and equipment damage, observe the following precautions before installing
nodes into racks or before removing them from racks:
• Ensure that the node’s weight is fully supported by two people at all times while it is being installed into or
removed from a rack.
• The rack installation must be designed to remain stable while supporting the full weight of the installed equip-
ment in its maximum extended position.
• Follow the rack manufacturer’s recommendations and use the appropriate load calculator if available when
designing and installing rack systems.
• Contact the rack manufacturer or an engineering consultant if you require assistance determining the stability
of the rack for its intended purpose.
• For single-rack installations, specify and install stability options such as ballast kits, bolt-down kits, and exten-
sible or permanent stabilizing mechanisms.
• In multiple-rack installations, specify and install a multirack tie-kit option. If the multirack tie kit is not suf-
ficient to guarantee stability, then install ballast kits, bolt-down kits, and extensible or permanent stabilizing
mechanisms.
• Unless the rack installation is designed otherwise, extend only one piece of equipment from the rack at a time.
• Install the first piece of equipment into the bottom of the rack, with future equipment installed above that.
2.5. Racked FXT 5000 Series Nodes 5