Power Supply Requirement Specifications
The following table provides a sample calculation of power for the Cisco MDS 9148T switch AC power
supply:
Table 5: Power Dissipation for AC Power Supply
Power at
220V/50HZ
(Watts)
Power at
110V/60HZ
(Watts)
Fan
Trays
Optics
Number
Optics
Speed
VoltageTemperatureTraffic
Rate
PSUPower
Mode
25125742432G-SWNominal25°C50%2Typical
29730548
26026742432G-SWNominal25°C
100%2Max
3153234832G-LW
31532232G-SW40°C
34837432G-LW55°C
385403Nominal
+ 5%
Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide
53
Technical Specifications
Power Supply Requirement Specifications