Brocade FastIron SX Series Chassis Hardware Installation Guide - Manual (Page 43)

In the FSX 800, you can install a second 12-volt power supply for redundancy. The FSX
1600 comes with and requires two 12-volt power supplies and supports up to four 12-volt
power supplies for redundancy.
• PoE devices:
NOTE
The Second Generation SX-FI624P modules continue to support only PoE and 802.3af applications.
The Third Generation PoE-compliant devices also support PoE+ and 802.3at applications.
• ‐ The 12-volt AC and DC power supplies (also called system (SYS) power supplies) provide
power to the management module, all non-PoE interface modules (if applicable), and all
ports on PoE modules that do not require PoE power or to which no power-consuming
devices are attached. In the FSX 800, you can install a second 12-volt power supply for
redundancy. The FSX 1600 comes with and requires two 12-volt power supplies and
supports up to four 12-volt power supplies for redundancy.
‐ The 52- 54-volt PoE power supplies provide power to the PoE daughter card, and
ultimately to PoE power-consuming devices. The number of PoE power-consuming
devices that one 52- 54-volt power supply can support depends on the number of watts
required by each power-consuming device. Each 52- 54-volt power supply can provide a
maximum of 1080 watts of PoE power, and each PoE port supports a maximum of 15.4
watts of power per PoE power-consuming device. For example, if each PoE power-
consuming device attached to the Brocade device consumes 15.4 watts of power, one 52-
54-volt supply will power up to 70 PoE ports. You can install a second 52-54-volt supply
for additional PoE power.
‐ The 52- 54-volt (220-volt input only) PoE power supplies provide power to the PoE
daughter card, and ultimately to PoE power-consuming devices. The number of PoE
power-consuming devices that one 220-volt power supply can support depends on the
number of watts required by each power-consuming device. Each 220-volt power supply
can provide a maximum of 2260 watts of PoE power, and each PoE port supports a
maximum of 15.4 watts of power per PoE power-consuming device. For example, if each
PoE power-consuming device attached to the Brocade device consumes 15.4 watts of
power, one 220-volt supply will power up to 146 PoE ports. You can install a second 220-
volt supply for additional PoE power.
NOTE
The system activates as many PoE ports as the 52- 54-volt PoE power supplies can handle. The
system calculates the maximum number of PoE ports it can support based on the number of PoE power
supplies installed. PoE ports are enabled based on their priority settings. The system reserves the
maximum configured power per PoE-enabled port, even if the PoE power-consuming device is drawing
less power.
• PoE+ devices (SX-FI48GPP and SX-FI-24GPP):
NOTE
The SX-FI624P module does not support PoE+ and 802.3at applications.
• ‐ The 12-volt AC and DC power supplies (also called system (SYS) power supplies) provide
power to the management module, all non-PoE interface modules (if applicable), and all
ports on PoE+ modules that do not require PoE power or to which no power-consuming
devices are attached. In the FSX 800, you can install a second 12-volt power supply for
redundancy. The FSX 1600 comes with and requires two 12-volt power supplies and
supports up to four 12-volt power supplies for redundancy.
‐ The 52- 54-volt PoE+ power supplies provide power to the PoE+ daughter card, and
ultimately to PoE+ power-consuming devices. The number of PoE+ power-consuming
Hardware features
Brocade FastIron SX Series Chassis Hardware Installation Guide 41
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