H3C S3100-8C-Sl Quick Start Manual page 45

Quick Start (For Japan)
H3C S3100 Series Ethernet Switches
Slotted hole 1: Used to fix the guide rail to the rear bracket. You can adjust
the screw hole position according to the position of the switch.
Cooling hole: Used for heat dissipation between switch and cabinet
Slotted hole 2: Used to fix the guide rail to the front bracket
Figure 3-10 Appearance of a guide rail
Note:
Guide rails purchased from H3C apply only to standard cabinets 1,000
mm (39.4 in) deep. Use other supports to substitute for guide rails in
the case of other cabinet depths.
Installation procedure
Follow these steps to install a switch into a 19-inch standard
cabinet
1) Wear an ESD-preventive wrist strap to check the grounding
and stability of the cabinet.
3-13
Chapter 3 Installation