NEC Univerge SV9100 System Hardware Manual page 737

Issue 3.0
SV9100 System Hardware Manual
5. Secure the Front Cover to the Main body using the Front Cover fixed
screw (four M3 x 6 screws attached with Wall Cover).
❍
TIP
❍
When installing the optional Wall Mount Bracket,
ground the Doorphone using an earth line from the
WARNING
earth connecting lug on the Rear Cover to an electric
service ground (less than 100 ohms). Otherwise, electric
shock may occur.
When the Front Cover is mounted to the wall, the
Front Cover may be warped due to an over-
tightened screw. Simply loosen the screw.
The Wall Cover Set supports only embedded wiring.
Exposed wiring (Open wiring) is not recommended.
9-181