9
ONU-634HA Series User’s Guide
1
Select a position free of obstructions on a sturdy wall.
2
Drill two holes large enough for the M4 tap screws. Make
sure the distance between the centers of the holes is
140mm.
"
Be careful to avoid damaging pipes or cables
located inside the wall when drilling holes for the
screws.
3
Do not insert the screws all the way into the wall. Leave a
small gap of about 0.5 cm between the heads of the
screws and the wall.
