3-10
Figure 3-11
Install a PSU
2
1
2
1
2
Step4
Close the panel of the PSU following the direction shown in callout 2 of Figure 3-11, and press the clip at
the bottom left corner of the PSU to lock the PSU in position.
The PSU installation is complete, as shown in Figure 3-12.
Figure 3-12
Complete installation of the PSU
When hot-plugging PSUs, make sure that the insertion interval is no less than 30 seconds.
Installing a Fan Tray
An S12500 switch has two fan trays with twelve fan units in each fan tray. The dimension of each fan
unit is 38 × 120 × 120 mm (1.50 × 4.72 × 4.72 in). DC power supply is provided on the backplane.