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Changes to solid green when single downstream channel is
locked.
Changes to solid blue when multiple downstream channels
are locked.
Flashes while scanning for the upstream send channel.
Changes to solid green when single upstream channel is
locked.
Changes to solid blue when multiple upstream channels are
locked.
Flashes during CH6643E registration and configuration.
Changes to solid green when the CH6643E is registered
successfully and ready for Internet access
Wall Mounting the CH6643E
You have the option to wall mount the CH6643E. Do the following before mounting the
CH6643E on the wall:
Locate the unit as specified by the local or national codes governing residential or
business cable TV and communications services.
Follow all local standards for installing a network interface unit/network interface
device (NIU/NID).
Make sure the AC power plug is disconnected from the wall outlet and all cables are
removed from the back of the CH6643E before starting the installation.
Decide if you want to mount the CH6643E horizontally or vertically.
If possible, mount the unit to concrete, masonry, a wooden stud, or some other very solid
wall material. Use anchors if necessary (for example, if you must mount the unit on
drywall).
CAUTION: Before drilling holes, check the structure for potential
damage to water, gas, or electrical lines.
Do the following to mount your CH6643E on the wall:
1. Print a copy of the Wall Mounting Template.
2. Measure the printed template with a ruler to ensure that it is the correct size.
3. Use a center punch to mark the center of the holes.
4. On the wall, locate the marks for the mounting holes.
5. Drill the holes to a depth of at least 1 1/2 inches (3.8 cm). Use M3.5 x 38 mm (#6 x
11/2 inch) screws with a flat underside and maximum screw head diameter of 9.0 mm
to mount the CH6643E.
6. Using a screwdriver, turn each screw until part of it protrudes from the wall, as shown
in the following wall mounting screw dimensions illustration.
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