Adjustable Guide Rails; Mounting Bracket Notch; Floating Nut - Huawei ESS-240V12-9AhBPVBA Series Quick Installation Manual

Method 2: Adjustable guide rails (optional) + Floating nuts
A. Fix the position of the guide rails (2 U) on the rack align the lower edge of a guide rail
with the lower edge of a U scale.
B. Engage the mounting brackets on both ends of the guide rail into the mounting holes,
and then secure the back end of the guide rail with M6x16 panel screws. Do not install
panel screws on the front end of the guide rail. Use the same method to install the
other guide rail.
C. Install floating nuts in the upper part of the guide rails (front side) on both sides. The
following figure shows the installation positions.
The guide rail on the right has the R silkscreen, and the
guide rail on the left has the L silkscreen. Do not install
them reversely.

Floating nut

NOTE
Guide rails are optional and recommended for rack installation. For a 3 U device, install guide rails
and two floating nuts. Secure the device with screws. The floating nuts are delivered with the rack.

Mounting bracket notch

7
1U
Lower edge of
a U scale
M6×16（4PCS）
3N•m