HP J3245A Installation And Configuration Manual page 25

Figure 1-8. Position the Switch for Rack Mounting
Figure 1-9. Seat the Switch in the Rack
5. Install the other two 5/8-inch 12-24 screws into the upper hole in each
bracket. Include the cable-tie bracket on the side on which you want to
lead your network cables. (For example, see below.) Tighten these
screws—be careful not to overtighten.
Installation
3. Mount the Switch
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