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Ruckus ICX 7450 Switch Hardware Installation Guide
Part Number: 53-1003899-07
Installing the Ruckus ICX 7450
Power supplies
Using a second power supply
In the event of an AC power loss or power supply failure, a redundant power supply (second power supply) can be installed as a backup
power source to a switch. Each power supply provides a load-sharing and redundant power source (up to 250 W AC or 510 W DC for
non-PoE switches, and 1000 W AC or 510 W DC for PoE switches).
Ruckus recommends that you pay attention to the PoE, PoE+, High PoE, and PoH port configuration (referred to as PoE in this section) of
the switch when using a redundant power supply. When using a single power supply, a PoE switch has a maximum number of supported
PoE ports. Ruckus recommends that when a redundant power source is used for a PoE switch, that the maximum number of PoE ports
supported by the switch must not exceed that which can be supported by a single power supply.
For example, a Ruckus ICX 7450-24P has two power supplies installed. If you increase the maximum number of PoE ports that can be
supported, and if the primary power supply fails, the redundant power supply cannot guarantee the device is protected by backup power.
The redundant power supply will not have enough power to sustain the failed primary power supply. In this case, the device can go down
even with the redundant power supply connected.
Installing and replacing a power supply unit
When installing or replacing a power supply unit, keep in mind the following:
•
Power supplies can be swapped in or out while the device is running. The remaining power supply provides enough power for
the device.
•
The airflow direction of the power supply must match that of the installed fan trays. All must be either exhaust or intake.
Installing an AC power supply
Use the following steps to install an AC power supply in the Ruckus ICX 7450.
TABLE 9
DC power supply and PoE usage
Model
Maximum p ower
draw from DC line
input (Watts)
Maximum number
of PoE ports
supported (15.4W)
Maximum number
of PoE+ ports
supported (30W)
Maximum number
of High PoE ports
supported (60W)
Maximum number
of PoH ports
supported (95W)
ICX 7450-24P
258.5 Watts
16
8
4
2
ICX 7450-32ZP
258.5 Watts
16
8
4
2
ICX 7450-48P
258.5 Watts
16
8
4
2
CAUTION
Power supplies are hot-swappable. However, they should be inserted or removed without a power cord being connected to a
power source to avoid damage.
CAUTION
For Ruckus ICX 7450 devices, be sure that the airflow direction of the power supply unit matches that of installed fan trays.
The power supplies and fan trays are clearly labeled with either a green arrow with an “E”, or an orange arrow with an “I.”
