AT&T MERLIN LEGEND Installation & Maintenance Manual page 16

Never push objects of any kind into this product through
module openings or expansion slots, as they may touch
dangerous voltage points or short-out parts, which could
result in a risk of fire or electric shock. Never spill liquid of
any kind on this product.
Unplug this product from the wall outlet before cleaning.
Do not use liquid or aerosol cleaners on this product. Use
a damp cloth for cleaning.
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