Table 4. Supported PSUs (Continued)
RPS SupportPower RedundancyPossible PSU ConfigurationsSwitch Model
AvailableN+1 redundancy
• 1xAPS550W
• 2xAPS550W
• 1xAPS100
• 2xAPS1000W
• 1xAPS550W + 1x APS1000W
(see Note)
M4300-52G-POE+
1xAPS250WM4300-24X
• 1xAPS250W
• 2xAPS250W
M4300-48X
The switch automatically selects the APS1000W to provide the power and turns off the
APS550W. If the APS1000W is removed or fails, the switch uses the APS550W to provide
the power and might reboot if the consumed power is more than the power that the
APS550W can provide.
Note
PoE Power Budgets
The PoE power budgets for model M4300-28G-POE+ and model M4300-52G-POE+ differ and depend on
the installed PSU or PSUs.The following table describes the PoE power budgets.
Table 5. PoE budgets and PSUs for model M4300-28G-POE+ and model M4300-52G-POE+
PoE Power BudgetPSU Configuration
M4300-52G-POE+M4300-28G-POE+
M4300-52G-POE+
480W480W110 VAC input
480W480W220 VAC input
Dual APS550W
480W480W1+1 RPS mode, 110 VAC input
480W480W1+1 RPS mode, 220 VAC input
720W720WEPS mode, 110 VAC input
720W720WEPS mode, 220 VAC input
Single APS1000W
591W630W110 VAC input
860W720W220 VAC input
Hardware Overview
34
Managed Stackable Switch Series M4300