NEC Univerge SV9100 Hardware Manual page 114

Issue 1.2
3 - 42
Figure 3-54 Secure CHS2UG Chassis to CHS2UG STAND KIT (K) with Screws
Expansion
Plate
3. Using supplied screws, secure the CHS2UG STAND KIT (K) to the
floor (refer to figure below)
.
To prevent possible damage to the 19" chassis due to
falling, NEC recommends screws be installed in the
stand mount brackets as soon as possible.
Installing the SV9100 Chassis
UNIVERGE SV9100