2-3
Operating Rules
Provisioning Power for PoE
Operating Rules
Table 2-1. Maximum Power Allocations for the 3500yl Switches
Table 2-2. Maximum Power Allocations for the 5400zl Switches
PoE Devices Internal Only Internal and External External Only
PoE for Switch
3500yl-24G-PWR
398 watts available to
ports 1-24.
398 watts available to ports 1-24
(provided by the internal source).
388 watts available as backup in
case of failure, provided by the
external source.
The internal power supply
has failed, and the external
source provides 388 watts to
ports 1-24.
PoE for Switch
3500yl-48G-PWR
398 watts available to
ports 1-48.
786 watts available to ports 1-48
(provided by both the internal and
external sources).
The internal power supply
has failed, and the external
source provides 388 watts to
ports 1-48. Note that a
minimum of 22 watts will
always be allocated to both
port groups (ports 1-24 and
ports 25-48). See page 2-4.
PoE Devices Internal Only Internal and External External Only
PoE for Switch
5406zl
1 power supply J8712A, 273 watts
2 power supplies J8712A, 546 watts
1 power supply J8713A, 900 watts
2 power supplies J8713A, 1800 watts
2 power supplies one J8712A and one
J8713A
(not recommended),1173 watts
A maximum of 2 internal power
supplies up to 1800 watts and
the external source can provide
up to 1800 watts depending on
which power supplies are
installed.
The internal power supply
has failed, and the external
source provides up to 1800
watts depending on which
power supplies are installed.
Note that without internal
power the switch will not be
active since the EPS does not
supply system power.
PoE for Switch
5412zl
2 power supplies J8712A, 546 watts
2 power supplies J8713A, 1800 watts
2 power supplies, one J8712A and one
J8713A
(not recommended), 1173 watts
3 power supplies J8712A, 819 watts
3 power supplies J8713A, 2700 watts
3 power supplies, one J8712A and two
J8713A
(not recommended), 1446 watts
4 power supplies J8712A, 1092 watts
4 power supplies J8713A, 3600 watts
4 power supplies, two J8712A and two
J8713A
(not recommended), 2346 watts
A maximum of 4 internal power
supplies up to 3600 watts and
the external source can provide
up to 1800 watts depending on
which power supplies are
installed.
The internal power supply
has failed, and the external
source provides up to 1800
watts depending on which
power supplies are installed.
Note that without internal
power the switch will not be
active since the EPS does not
supply system power.