Cisco PowerKEY CableCARD Module 802 Installation Guide
Safety Precautions
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78-4017672-01 Rev E
Fuse
When replacing a fuse, heed the following warnings.
WARNING:
Avoid electric shock! Always disconnect all power cables before you change a
fuse.
Avoid electric shock! Always disconnect all power cables before you change a
fuse.
WARNING:
Avoid product damage! Always use a fuse that has the correct type and rating.
The correct type and rating are indicated on this product.
Avoid product damage! Always use a fuse that has the correct type and rating.
The correct type and rating are indicated on this product.
Grounding This Product (U.S.A. and Canada Only)
Safety Plugs
If this product is equipped with either a three-prong (grounding pin) safety plug or a two-
prong (polarized) safety plug, do not defeat the safety purpose of the polarized or
grounding-type plug. Follow these safety guidelines to properly ground this product:
prong (polarized) safety plug, do not defeat the safety purpose of the polarized or
grounding-type plug. Follow these safety guidelines to properly ground this product:
For a 3-prong plug (consists of two blades and a third grounding prong), insert the plug
into a grounded mains, 3-prong outlet.
Note: This plug fits only one way. The grounding prong is provided for your safety. If
into a grounded mains, 3-prong outlet.
Note: This plug fits only one way. The grounding prong is provided for your safety. If
you are unable to insert this plug fully into the outlet, contact your electrician to replace
your obsolete outlet.
For a 2-prong plug (consists of one wide blade and one narrow blade), insert the plug
into a polarized mains, 2-prong outlet in which one socket is wider than the other.
into a polarized mains, 2-prong outlet in which one socket is wider than the other.
Note: If you are unable to insert this plug fully into the outlet, try reversing the plug. The
wide blade is provided for your safety. If the plug still fails to fit, contact an electrician to
replace your obsolete outlet.
wide blade is provided for your safety. If the plug still fails to fit, contact an electrician to
replace your obsolete outlet.
Grounding Terminal
If this product is equipped with an external grounding terminal, attach one end of an 18-
gauge wire (or larger) to the grounding terminal; then, attach the other end of the wire to an
earth ground, such as an equipment rack that is grounded.
gauge wire (or larger) to the grounding terminal; then, attach the other end of the wire to an
earth ground, such as an equipment rack that is grounded.
20050727 Headend/Rack