The status of the power supply of the switch. The values
have the following meanings:
unknown(1) :
The status is not known.
internal-only(2) :
The switch is not capable of redundant power.
internal-no-backup(3) :
The switch is capable of redundant power, but is currently
operating on the internal supply with no RPS attached.
internal-backup-will-reset(4) :
The switch is capable of redundant power and is currently
opertaing on the internal supply. A RPS is attached, but
if the internal supply fails there will be a reset.
external-no-backup(5) :
The switch is capable of redundant power and is currently
operating on a single external RPS connection.
external-backup-no-reset(6) :
The switch is capable of redundant power and is currently
operating with a y-connected external RPS. If one supply
in the RPS fails there will be no interuption of operation.