H3C S5170-EI Series Installation Manual page 24

2. Make sure the front mounting brackets and shoulder screws are securely attached to the two
sides of the switch.
3. Attach cage nuts to the front rack posts. Make sure the corresponding cage nuts on the left and
right front rack posts are at the same height.
4. One person supports the chassis bottom with one hand, holds the front part of the chassis with
the other, and pushes the chassis into the rack gently. Make sure the shoulder screws rest
firmly on the upper edge of the rear mounting brackets. See
5. The other person attaches the front mounting brackets by using M6 screws and cage nuts to the
front rack posts. Make sure the switch is installed securely in the rack. See
12. As a best practice, use a torque of 30 kgf-cm (2.94 Nm) to fasten the M6 screws.
Figure 11 Mounting the switch in the rack (with the wide flange of the rear mounting brackets
inside the rack)
Figure 11
8
and Figure 12.
Figure 11 and Figure