User's Manual

Table Of Contents
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Normally, the Indoor Unit is grounded via the rack’s connection to
ground.
If the rack is not connected to ground, it is recommended to
ground the Indoor Unit via a separate cable. The cable should be
connected to the M6 grounding lug located on the front of the
BBU. A flat copper braid is recommended for this purpose.
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Indoor Units mounted in a magazine can be grounded by
connecting the grounding cable to the M6 grounding lug located
on the magazine.
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