Chapter 2 Installing the Cisco MDS 9100 Series
Removing and Installing Components
Removing and Installing Components
The Cisco MDS 9140 Switch and the Cisco MDS 9120 Switch is shipped with two
Cisco MDS 9120 Switch also have two
This section provides the following information:
•Removing and Installing Power Supplies, page
•Removing and Installing Fan Modules, page
Warning Hazardous voltage or energy is present on the backplane when the system is operating. Use caution when servicing. Statement 1034
Caution During this procedure, wear grounding wrist straps to avoid ESD damage to the switch.
Note The Cisco MDS 9100 Series is only supported for operation with both power supplies and both fan modules installed, with all fans working.
With two power supplies installed, if one power supply fails, the system can continue to function normally on a single healthy power supply. However, the failed power supply should be replaced as soon as possible to provide redundancy.
The fan modules are required to ensure proper cooling of the switches. SeeFigure
| Cisco MDS 9100 Series Hardware Installation Guide |