3-2
The S5120-28C-EI, S5120-52C-EI, S5120-28C-PWR-EI, and S5120-52C-PWR-EI support IRF. For
details about implementation of the IRF system and installation procedures, refer to Installing Switches
for a Stack.
Installing the Switch into a 19-Inch Rack Using Mounting Brackets
Installation Modes
You can install a switch into a 19-inch standard cabinet in one of the following four ways:
z
Use front mounting brackets
z
Use front mounting brackets and a tray
z
Use front mounting brackets and rear mounting brackets
z
Use front mounting brackets and guide rails
The installation methods of a switch depend on the depth and width of the switch. For the specific
installation methods, see Table 3-1.
Table 3-1
Installation methods for a switch with a width of 440 mm (17.32 in.)
Method
Depth
Use front
mounting
brackets
Use front
mounting
brackets and a
tray
Use front and
rear mounting
brackets
Use front
mounting
brackets and
guide rails
300 mm (11.81 in.)
√
√
—
√
420 mm (16.54 in.)
—
√
√
√
When the depth of a switch is greater than 300 mm (11.81 in.), the front mounting brackets only secure
the switch rather than bear its weight.
