Cisco 9000 Series User Manual

Figure 8: Handling the Chassis
Installing and Removing Power Supply Units
This section provides instructions for installing and removing the power supply units in the switch.
Installing Power Supply Units
You can replace one power supply unit (PSU) while the other one provides power to the switch.
Before you begin
• To implement n+n redundancy, each PSU must be connected to a separate power feed. Otherwise, only
one power feed is required.
Installing the Cisco MDS 9148V-K9 Switch
15
Installing the Cisco MDS 9148V-K9 Switch
Installing and Removing Power Supply Units

Cisco 9000 Series Specifications

General

Model	Cisco 9000 Series
Latency	Sub-microsecond
Ports	1/10/25/40/100 GE
Power Supply	Redundant
Layer	Layer 2 and Layer 3
Security Features	ACLs, TrustSec, MACsec
Modularity	Modular and fixed configurations available
Management	Cisco DNA Center, CLI, SNMP
Redundancy	Power supplies