AMX NXD-500i Operation/Reference Manual page 22

Installation
4.
Thread the incoming Ethernet and USB wiring from their terminal locations through the surface opening.
Leave enough slack in the wiring to accommodate any re-positioning of the panel.
5.
Connect both connectors to their corresponding locations along the left side of the NXD-500i touch panel.
FIG. 8 Wall Mount panel (NXD-500i) installation view for drywall surfaces - top view
6.
Test the incoming wiring by attaching the panel connections to their terminal locations and applying power via the
PoE Injector.
Verify that the panel is receiving power and functioning properly to prevent repetition of the installation.
Do not disconnect the connectors from the touch panel. The unit must be installed
with the attached connectors before being inserted into the drywall.
7.
Push the back box into the wall opening. Insure that the locking tabs lie flush against the back box.
8.
Extend the locking tabs on the sides of the back box by tightening the screws inside the box.
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The maximum recommended torque to screw in the locking tabs on the back box is 5
IN-LB [56 N-CM]. Applying excessive torque while tightening the locking tab screws,
such as with powered screwdrivers, can strip out the tabs or damage the back box.
Use either a manual screwdriver or a variable torque motorized screwdriver at its
lowest setting, and stop as soon as the panel is snugly secured.
9.
Install the NXD-500i into the back box.
10.
The microphone cable is taped to the back box. Connect the microphone cable to its connector, making sure that the
cable does not interfere with reattachment of the Faceplate.
10
Not all of the tabs must be extended to lock the back box in place, but extending a minimum of the top and
bottom tabs is highly recommended.
Apply enough pressure to the screw head to keep the box flush with the wall: this ensures that the locking tabs
will tighten up against the inside of the wall.
The back box is clear to allow visual confirmation that the tabs have been extended and are gripping the wall.
This also allows visual confirmation if the entire assembly has to be removed from the wall for any reason.
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A
NXD-500i 5" Modero Wall/Flush Mount Touch Panel with Intercom