Switching Power Supply Cisco Catalyst 4500E Series PWR-C45-1300ACV
The Cisco® Catalyst® 4500E Series platform offers a variety of choices in power
supplies to enable the desired Power over Ethernet (PoE) scale and
chassis configuration. Note that the terms “Power over Ethernet”
and “inline power” are synonymous and can be used interchangeably.
PoE has four versions: Cisco Catalyst 4500 Prestandard PoE
(Prestandard PoE), 802.3af-compliant PoE (15W), 802.3at-compliant
PoE Plus (PoE+) (30W), and Universal PoE (UPOE) (60W). Every Cisco
Catalyst 4500 Series chassis and PoE power supply supports the
Cisco Catalyst 4500 Prestandard PoE, the IEEE 802.3af standard PoE,
and IEEE 802.3at-compliant PoEP power implementation, helping
ensure backward compatibility with existing Cisco powered devices.
Figure 1. Cisco Catalyst 4500 Series Power Supplies
PoE deployment is extremely easy on the Cisco Catalyst 4500E Series
platform. All Cisco Catalyst 4500 Series PoE Line Cards
automatically detect and power all attached powered devices.
Moreover, the Cisco Catalyst 4500 Series returns unused port power
to the system power budget for use by other devices because it
supports the IEEE 802.3optional power classifications. Finer
granularity for the budgeted power is achieved on Cisco power
devices that support Cisco Discovery Protocol.
The Cisco Catalyst 4500E Series offers several internal power
supplies for multiple deployment scenarios, including small and
large deployments in AC or DC environments for data-only
configurations, and scalability up to 60W per port for PoE, PoEP,
and UPOE configurations.
All the Cisco Catalyst E-Series Chassis models share a common
power-supply form factor. Each Cisco Catalyst 4500 Series chassis
is designed for 1 + 1 power redundancy while meeting the needs of
PoE demand. In addition to power resiliency, the Cisco Catalyst
4500 Series includes 1 + 1 supervisor-engine redundancy (Cisco
Catalyst 4507R+E, and 4510R+E models only) and software-based fault
tolerance. Integrated resiliency in both hardware and software
minimizes network downtime, helping ensure workforce productivity,
profitability, and customer success.
Number of Powered Devices Supported When Using Power Supplies in a
1 + 1 Mode Using IEEE 802.3af-Compliant Line Cards
|Standard 802.3af Class 1 (4W per Port)||Standard 802.3af Class 2 (7W per Port)||Standard 802.3af Classes 0 and 3 (15.4W per Port)||Standard 802.3at Class 4 (PoEP) (30W per Port)||UPOE (60W per port)||Cisco Prestandard (6.3W per Port)|
|1400 WDC (triple input)||-||-||-||-||-||-|
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