Longshine LCS-C841MC - Manual (Page 19)

1000Base-T to 1000Base-SX/LX Converter
15
This converter can also be mounted on a vertical surface.
Simply use the underside of the unit as a template to
measure and mark out the position of the holes on to the
surface where the unit is to be installed. Then use the two
screws provided to mount the converter firmly in place.
Warning
Please exercise caution when using power tools.
Also, install this unit away from damp or wet locations, or in
close proximity to very hot surfaces. These types of
environments can have a detrimental effect on the converter
and cables. An ideal location is a lightly cooled place such as
a typical equipment room.