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Lenovo 9308-4PX Installation Manual
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Contents
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Chapter 3. Managing cablesAlways read the instructions that come with your server or optional device for detailed cable-managementinformation.Statement 8DANGER• Plug power cords from devices in the rack cabinet into electrical outlets that are located near therack cabinet and are easily accessible.• Each rack cabinet might have more than one power cord. Be sure to disconnect all power cordsin the rack cabinet before servicing any device in the rack cabinet.• Install an emergency-power-off switch if more than one power device (power distribution unit oruninterruptible power supply) is installed in the same rack cabinet.• Connect all devices installed in a rack cabinet to power devices installed in the same rackcabinet. Do not plug a power cord from a device installed in one rack cabinet into a power deviceinstalled in a different rack cabinet.Use the following general guidelines when you cable servers or other devices that you install in a rackcabinet.• Do not run cables in front of or behind other devices that will prevent service access to those devices.• Do not bend a fiber-optic cable beyond its limited specifications.• Label all cables so that they are clearly distinguishable from each other.• When installing devices mounted on slide rails, such as servers:– Run the cables neatly along equipment cable-management arms and secure the cables to the armsusing provided cable straps.– Leave enough extra cable so that the device can fully extend without straining the cables.– Secure the cables so that the device can retract without pinching or cutting the cables.• When installing devices mounted on fixed rails:– Run the cables neatly along the posts or side rails in the rack cabinet out of the way of other installeddevices.– Secure the cables with the provided cable straps.• Make sure that the cables cannot be pinched or cut by the rack cabinet rear door or other devices.• Run internal cables that connect devices in adjoining rack cabinets through the large openings provided inthe rear of the rack cabinet.• Run external cables through the holes in the bottom of the rack cabinet or through the removable sectionin the top of the rack cabinet.© Copyright Lenovo 2001, 2010 13 |
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