Enterasys Matrix 2G4072-52 Configuration Manual page 26

Getting Help
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A description of your network environment (for example, layout, cable type)
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Network load and frame size at the time of trouble (if known)
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The device history (for example, have you returned the device before, is this a recurring
problem?)
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Any previous Return Material Authorization (RMA) numbers
1-4 Matrix DFE-Platinum and Diamond Series Configuration Guide