Plan The Installation - 3Com IntelliJack NJ1000 Quick Start Manual

One Class 1 PD device and One Class 2 PD device
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CAUTION: You must use only a power supply that is provided or approved by 3Com
for use with this NJ1000. Failure to comply with this requirement may result in
damage to the NJ1000, or may result in a hazardous situation or personal injury.

3. Plan the Installation

When installed, the back of the NJ1000 extends into a wall for 0.5 inches. Because
the depth of some wall openings differs, observe the following requirements and
recommendations before you install the NJ1000:
Make sure that the wall opening where the NJ1000 is being installed complies
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with the NEMA-WD6 standard, as described in this diagram:
Make sure that the distance between the back of the NJ1000 and the inside of
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the wall is at least 1.5 inches (3 inches is recommended).
1.750"
(44.45mm)
2.8125"
(71.44 mm)
Screw holes
9
3.28125"
(83.31mm)
reference