Cisco Systems 4500 manual Table A-8 1400 W DC-Input Power Supply Specifications

Appendix A Specifications

Catalyst 4500 Series Power Supplies

Table A-7	1400 W AC-Input Power Supply Specifications (continued)
Item		Specification
Power supply output		2473	W maximum
		1360	W+ 40 W redundant mode (Data)
Power supply output (AC supply)		12 V @ 113.4 A, 3.3 V @ 12.2 A (Data)
Max heat dissipation		1048	BTUs/hr
Output holdup time		20 ms minimum

1.A Catalyst 4503 with a Catalyst 4500 series Supervisor Engine II-Plus TS and a 1400W AC power supply provides 158.4 W of PoE to ports on the supervisor engine. Switching modules in other slots will not be able to provide PoE.

Caution Do not mix the 1400 W DC power supply with any other power supply, even for a hot swap or other short-term emergency. Doing so can seriously damage your switch.

The 1400W DC Input power supply may be used with the Catalyst 4500 Series AC Power Shelf. Documentation for the Catalyst 4500 Series AC Power Shelf is at: http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/hardware/configur ation/notes/78_15068.html

Table A-8 1400 W DC-Input Power Supply Specifications

Item	Specification
Minimum software requirement	Cisco IOS Release 12.1(19)EW
	Catalyst Operating System software version 7.5 (1)
Power over Ethernet	Supported, up to 7500 W minus power consumed for data
	(240 Cisco phones in combined mode)
DC-input voltage	Data only: –48 to –60 VDC
	Inline devices: –48 to –56 VDC

	Catalyst 4500 Series Switches Installation Guide
A-12	78-14409-08