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Redundant Power Supplies
The Avaya P460 supports automatic Power Supply redundancy and load-sharing.
Power supply redundancy is activated according to the number of PSUs and I/O
modules you have installed in the chassis.
Three PSUs are automatically configured in 2+1 redundancy mode.
If the installed power supplies can provide sufficient power for the switch, then an
additional power supply is automatically configured to operate in Redundancy
mode.
If the power budget requirement increases beyond the power available from the
non-redundant power supplies, then the additional power supply reverts to regular
mode.
In order to check whether power supply redundancy is operating, you can use the
show environment power CLI command.
Note: The "Total Power drawn from the system" always includes the power
reserved for two supervisor modules and the fan module.
P460 > show environment power
PSU1 Capacity: 300 Watts (48V @ 6.25 Amps)
PSU2 Capacity: none
PSU3 Capacity: none
PSUs Configuration:
Total Power Available: 300 Watts (6.25 Amps @ 48V)
Total Power drawn from the system: 229 Watts (4.77 Amps @ 48V)
Remaining Power in the system: 71 Watts (1.48 Amps @ 48V)
Slot
----
3
4
5
6
*- 2 SPVs power consumption: 68(W) x 2, Fans power consumption: 45(W)
Avaya P460 Installation and Maintenance Guide
1 PSU/s , no redundancy.
Card-Type
--------------------
avayaP460-M4648ML-T
Chapter 6
Maximizing Avaya P460 Availability
Active
Enabled Draws(W)
------- ------- ---------
N
Y
Y
Y
N
Y
N
Y
Fault
-----
0
48
0
0
39
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