Removing And Installing Components; Removing And Installing Ac Power Supplies - Cisco MDS 9396S Hardware Installation Manual

Removing and Installing Components

Removing and Installing Components
The Cisco MDS 9396S switch is shipped with two field replaceable power supplies. Each power supply
includes a fixed fan. The Cisco MDS 9396S switch has two field-replaceable fan modules.
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.
The Cisco MDS 9396S Switch is only supported for continuous operation with both power supplies and
Note
both fan modules installed, and 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.
Figure 10: Rear View of the Cisco MDS 9396S Switch

Removing and Installing AC Power Supplies

This section provides instructions for removing and installing the AC power supplies for the Cisco MDS
9396S switch.
Cisco MDS 9396S Multilayer Fabric Switch Hardware Installation Guide
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Installing the Cisco MDS 9396S Switch