2.0 Installing the Off-Premise Extension Interface
2.1
Detailing The Mounting Considerations
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You can attach the OPX-X to any sturdy, flat, surface. It may be vertically rack mounted if desired.
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you must locate the OPX-X within six (6) feet of the proper electrical outlet. It requires a 117VAC circuit, with
a third-wire ground, supplied to a standard (NEMA 5-15R) electrical outlet.
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you must keep the distance between the OPX-X and the KSU to 25 feet or less.
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Be sure that the mounting location is secure and dry and have adequate ventilation. Be sure that the temperature
range of the location is within 32-122° F (0-50° C).
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If the mounting surface is damp or if it is concrete or masonry material, you must attach a backboard to the
mounting surface. Suitable mounting backboards are available commercially or can be constructed out of
1/2-inch plywood cut to size.
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Tools and hardware required for mounting the KSU cabinet include:
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Fasteners - wood screws (1/4 x 1-inch round head), toggle bolts, or wall anchors.
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Screwdriver - to match fasteners.
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Electric drill - if prepared holes are required.
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Connecting tool - for fastening wires to a type-66 connector block.
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Crimping tool - for 623-type modular plugs.
2.2
Mounting The Cabinet
1. Unpack, and carefully inspect the OPX-X for shipping damage. Notify the shipper immediately of any
damages found. Verify that the packages contain all parts and accessories needed for proper installation and
operation.
2. If a backboard is required at the mounting location, attach it securely to provide a stable KSU mounting
surface.
3. Use the base of the OPX-X as a template or measure for mounting hole locations per the dimension details
shown in Figure 1.
4. Drill holes in the mounting surface of a proper size to accommodate the hardware being used. If necessary,
prepare these holes with inserts, anchors or other attachment devices as dictated by the type of mounting
surface.
5. Attach the OPX-X to the mounting surface with four (4) screws installed through the mounting flange and
into the mounting surface holes. Note that the flange holes are elongated with an enlargement at one end of
the hole. This feature allows the mounting screws to be partially installed in the mounting surface before the
KSU is hung on them.
IMI89–209
Installing And Programming The OPX-X
4 – Installing The OPX-X