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Chapter 6
Maximizing Avaya P460 Availability
Calculating the Power Budget
You can also calculate how many PSUs you need in order to provide redundancy
for a specific configuration.
You need to add the power requirements for the I/O modules installed to the base
requirement of two Supervisor modules and one Fan module. If the total is less than
the power supplied by the number of PSUs installed, an additional PSU provides
redundancy.
Table 6.2 shows a sample calculation:
Table 6.2
Component
Fan module
2 x M460ML-SPV Supervisor Modules
2 x M4648ML-T I/O Modules
Total
Total power available:
Total power requirement:
An additional power supply will operate in redundant mode.
Refer to "Power Requirements" on page 80 for power requirements for P460
components.
40
Sample Power Budget Calculation
300 W
277 W
Requirement (W)
Avaya P460 Installation and Maintenance Guide
45
136
96
277
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