Allied Telesis AT-DC2552XS - Manual (Page 46)

Chapter 3: Installing the Switch and Modules
46
This procedure requires the following items:
 Eight bracket screws (included with the switch)
 Two equipment rack brackets (included with the switch)
 Cross-head screwdriver (not provided)
 Four standard equipment rack screws (not provided)
Perform this procedure to install the switch in a 19-inch equipment rack:
Note
If you have installed the rubber feet, remove the rubber feet by
prying them off the bottom of the chassis with a flat-bladed tool.
1. Secure the two rack mount brackets to the sides of the switch using
the eight bracket screws provided. Figure 16 shows an example of
mounting the rack mount bracket on the front of the chassis and with
the bracket flush to the front panel. See Figure 15 for other possible
bracket mounting positions on the chassis.
Figure 16. Attaching the Brackets to Switch
Caution
The chassis may be heavy and awkward to lift. Allied Telesis
recommends that you get assistance when mounting the chassis in
an equipment rack.  E28