• If the software watchdog timer is triggered
Power Supply Module
The following sections provide detailed information about the available power supply modules:
Power Supply Module Overview
Available power supply module model numbers (Add = to the model number for spares):
• C9400-PWR-2100AC
• C9400-PWR-3200AC
• C9400-PWR-3200DC
Unless otherwise indicated, the power supply information provided in this document applies to all the available
power supply modules.
Note
The chassis supports field-replaceable AC-input and DC-input power supply modules. If you install modules
of different types (AC input and DC input) and capacities, ensure that all the required conditions are met.
Features: AC-Input Power Supply
• Has a self-cooling mechanism, with a minimum airflow of 17 cubic feet per minute (CFM) at 100 percent
load.
• Provides a regulated 55-VDC PoE-compliant main output and 3.3-VDC standby output.
• Supports only single-phase source AC. Source AC can be out of phase between multiple power supplies
or multiple AC power plugs on the same power supply because all the AC power supply inputs are
isolated.
• Has a release latch and cord-retention mechanism on the front panel of the module to avoid accidental
removal of the module or the attached power cord.
• Supports redundant and combined configuration modes. A single (nonredundant) or a dual (redundant)
power supply configuration can support the following loads:
Output Power with C9400-PWR-2100AC
(in Watts)
Output Power with C9400-PWR-3200AC
(in Watts)
Input Voltage (in
Volts AC)
2112 W3200 W200-240 VAC
950 W1570 W100-120 VAC
• Has a built-in, front-facing, passive RFID tag that uses Ultra High Frequency (UHF) RFID technology
and requires an RFID reader with compatible software. Provides auto-identification capabilities for asset
management and tracking. The RFID tags are compatible with the Generation 2 GS1 EPC Global Standard
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
19
Product Overview
Power Supply Module
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