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Catalyst 3650 Switch Hardware Installation Guide
OL-29734-01
Chapter 3 Power Supply Installation
Power Supply Module Overview
For information on available PoE, see these sections:
• Table 1-10 on page 1-18 (available PoE with AC power supply)
• Table 1-11 on page 1-18 (available PoE with DC power supply)
• Table 1-12 on page 1-18 (switch power supply requirements for PoE and PoE+)
The 250-W and 640-W AC power supply modules are autoranging units that support input voltages
between 100 and 240 VAC. The 1025-W power supply module is an autoranging unit that supports input
voltages between 115 and 240 VAC. The 640-W DC power supply module has dual input feeds (A and
B) and supports input voltages between -36 and -72 VDC.
Note For information on 250-W AC power supply support on the PoE-capable switch models, refer to the
Release Notes for the Cisco Catalyst 3650 Switch on Cisco.com.
Each AC power supply module has a power cord for connection to an AC power outlet. The 1025-W and
640-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.
Figure 3-1 to Figure 3-4 show the power supply modules.
Figure 3-1 1025-W AC Power Supply
1 AC OK LED 4 AC power cord connector
2 PS OK LED 5 Release latch
3 AC power cord retainer 6 1025-W AC power supply module
347623
PWR-C2-1025WAC
AC OK
PS OK
3 5 6
4
1
2
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