Ruijie RG-PF2920 Series Hardware Installation And Reference Manual page 23

Hardware Installation and Reference Guide
(2) Put one wall anchor into each drilled hole, and secure the two mounting brackets to the wall with two screws
each. Screws used: Phillips pan washer head self-tapping screws, ST4.2 x 20 mm PWA
Figure 3-2 Using the Wall-mounted Positioning Paper (2)
(3) Attach the fiber splice tray to the mounting brackets with three screws. Screws used: Phillips pan head
combination machine screws, M3 x 8 mm PWM
Figure 3-3 Installing the Fiber Splice Tray
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Installing the Switch