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The default Cisco C9610R chassis power supply mode is "Combined." In Combined mode, the total power available for the entire chassis is equal to the sum of the output of all the power supplies multiplied by the share ratio. Additional power supply units operate at ~90% capacity. In Combined mode, the power supplies need to be of equal wattage. The power supplies can be AC and DC mixed as long as the AC input is 220V.
* P = Power output of one PSU
* N = Number of PSUs (1 to 8)
* Total combined power = P + (N-1) * P * (share ratio)
Redundant N+1 mode
The Cisco C9610R chassis also supports N+1 redundancy mode, with N independent input circuits and safeguards against the failure of one (+1) of the circuits during a PSU failure. Additional PSUs operate at ~90% capacity. In redundant mode, the power supplies need to be of equal wattage. The power supplies can be AC and DC mixed as long as the AC input is 220V.
* N = number of PSUs are active (1 to 7)
* +1 is the PSU reserved for redundancy
Redundant N+N mode
The Cisco C9610R chassis also supports N+N redundancy mode, with N independent input circuits and safeguards against the failure of any one or more of the active PSUs. Additional PSUs operate at ~90% capacity. In redundant mode, the power supplies need to be of equal wattage. The power supplies can be AC and DC mixed provided AC input is 220V.
* N = number of PSUs are active (1 to 4)
* +N are the PSUs reserved for redundancy (1 to 4)
Note: 3KW power supplies operate at 22V are required for system to operate with N+N redundancy.
For more information, please visit the Cisco C9610 Series Smart Switches Hardware Installation Overview.
Table 4. Power supply specifications for Cisco C9610 Series Smart Switches
