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P/N PM000196A • Rev. 2 • ISS 19JUN2018
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When using a spacer, place the adapter over the spacer
ensuring that it fits inside the spacer’s housing.
3. Tighten the screws.
Mounting a Spacer
When no backbox is available, use spacers to surface mount
modules. Spacers mount directly to flat wall surfaces using
screws suitable for the wall type. Cable wires should enter
and leave the spacer housing through the knockouts in the
sides of the spacer, or through the hole in the back.
Important:
Do not distort or twist the spacer when mounting
it to a wall. If the spacer is distorted, the module will not fit
properly and may fall off. To prevent distortion, only mount
the spacer on a smooth and level surface. Do not over-tighten
the fixing screws.
To mount a spacer to a wall:
1. Place the spacer against a flat wall and orient it so that
“TOP” (printed on the inside of the spacer) is pointing up
and that the spacer is level. Use a leveling device to check,
if necessary.
2. Using the spacer as a template, mark two holes for the
screws using the outer fitting holes located in the corners
of the spacer.
3. Remove the spacer and drill screw holes for the screws
that will be used, such as wood, concrete, or drywall
screws, or screws with anchors.
4. Remove the knockouts in the spacer for the cable wires.
5. Place the spacer over the holes, insert the screws, and
then tighten.
6. Pull the cables through the knockout holes.
To make the connections to the module:
1. Check the DIP switch setting to ensure they are set
correctly. See Figure 1, items 2 and 3.
2. Pull the cables from the backbox or spacer, and then
slide them through the module’s frame.
Note:
When attaching RJ-45 connectors to the module,
use caution not to strain the connectors. If the cables are
too stiff to fit in the backbox, remove up to 15cm (6in.)
of the cable jacket.
3. Insert the RJ-45 room bus connector into the first jack,
and then insert the next connector (to the next module)
into the next jack, as shown in the following figure. See
also Figure 1, item 1.
