Ruijie RG-AP820-I Installation And Reference Manual page 26

Hardware Installation and Reference Guide
(2) Align the square feet on the rear of the AP with the mounting holes on the bracket.
Figure 3-3 Aligning the Square Feet with the Mounting Holes
Caution
Install the Ethernet cables before mounting the AP on the bracket.
(3) Slide the AP onto the bracket in the opposite direction of the arrow on the mounting bracket
until it clicks into place.
Figure 3-4 Mounting the AP on the Bracket
Caution

The AP can be installed in any of four directions on the mounting bracket depending on
how you route the Ethernet cable.

The square feet should fit easily into the mounting slots. Do not forcibly push the AP into
the slots.

After installation, verify that the AP is securely fastened.
18
Installing the Access Point