Cisco Systems 3750-X Port Port PoE+ Non-PoE+ Power Supply Module Switch, PoE Option Port Switch

Chapter 1 Product Overview

Rear Panel Description

Table 1-16	Switch Power Supply Modules (continued)
				48-Port	24-Port
		48-Port PoE+	24-Port PoE+	Non-PoE+	Non-PoE+
Power Supply Module		Switch1	Switch	Switch	Switch
C3KX-PWR-350WAC=		Spare	Spare	Primary or spare	Primary or spare
C3KX-PWR-440WDC=		Primary or spare	Primary or spare	Primary or spare	Primary or spare
C3KX-PSBAY-BLNK		Blank module	Blank module	Blank module	Blank module

1.For full 15.4 W support on a 48-port PoE+ switch, you must use a C3KX-PWR-1100WAC power supply module.

2.This module is used only in Japan.

Table 1-17	Switch Power Supply Requirements for PoE and PoE+
PoE Option		24-Port Switch		48-Port Switch
PoE (up to 15.4 W per port)		(1)	715-W power supply	(1)	1100-W power supply
		(2)	440-W DC power supplies
PoE+ (up to 30 W per port)		(1)	1100-W power supply	(1)	1100-W power supply plus one
				715-W power supply
				or
				(2)	1100-W power supplies

Note A 48-port switch with one 715-W power supply provides up to 8.7 W of PoE to all ports.

The power supply modules have two status LEDs.

Table 1-18	Switch Power Supply Module LEDs
AC-Power Supply Module LEDs
AC OK		Description	PS OK	Description
Off		No AC input power.	Off	Output is disabled, or input is
				outside operating range (AC LED
				is off).
Green		AC input power present.	Green	Power output to switch active.
			Red	Output has failed.
DC-Power Supply Module LEDs
DC OK		Description	PS OK	Description
Off		No DC input power.	Off	Output is disabled, or input is
				outside operating range (DC LED
				is off).
Green		DC input power present.	Green	Power output to switch active.
			Red	Output has failed.

	Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
1-18	OL-19593-01