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Chapter 1
Product Overview
Do not operate the switch with one power supply module slot empty. For proper chassis cooling, both
Caution
power supply module slots must be populated or with either a power supply or a blank module.
The 350-W and 715-W AC power supply modules are autoranging units that support input voltages
between 100 and 240 VAC. The 1100-W power supply module is an autoranging unit that supports input
voltages between 115 and 240 VAC. The 440-W DC power supply module has dual input feeds (A and B)
and supports input voltages between 36 and 72 VDC. The output voltage range is 51–57 V.
Each AC power supply module has a power cord for connection to an AC power outlet. The 1100-W and
715-W modules use a 16-AWG cord (only North America). All other modules use an 18-AWG cord. The
DC-power supply module must be wired to a DC-power source.
The XPS 2200 powers connected switches when the power supply is removed or fails. When a new
switch power supply is installed, the switch software polls the device. The switch power supply again
provides power, and the XPS 2200 is available to power other devices.
Table 1-16
switches and power supply configurations based on switch models.
Table 1-16
Available PoE with AC Power Supply
Switch Models
12- and 24-port data (SFP)
24-port data
48-port data
24-port PoE+
48-port PoE+
48-port full PoE+
24-port UPOE
48-port UPOE
1. Japan only: To satisfy regulatory requirements, you must use the CAB-3KX-250VAC-JP power cord with the 1100-W power supply module.
Table 1-17
Available PoE with DC Power Supply
Switch Models
24-port PoE+
48-port PoE+
24-port UPOE
48-port UPOE
OL-19593-03
and
Table 1-17
show the power supply modules available for Catalyst 3750-X and 3560-X
Default Power Supply
PWR-C1-350WAC
C3KX-PWR-350WAC
PWR-C1-715WAC
C3KX-PWR-715WAC
1
PWR-C1-1100WAC
C3KX-PWR-1100WAC
Power Supply
1
2
1
2
1
2
1
2
Available PoE Power
–
495
462
847
1
870
840
Available PoE Power
220 W
660 W
187 W
627 W
210 W
650 W
180 W
620 W
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
Rear Panel Description
1-21
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