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Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
OL-19593-01
Chapter 1 Product Overview
Rear Panel Description
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.
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.
Ta b l e 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
(2) 440-W DC power supplies
(1) 1100-W power supply
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
Table 1-16 Switch Power Supply Modules (continued)
Power Supply Module
48-Port PoE+
Switch
1
24-Port PoE+
Switch
48-Port
Non-PoE+
Switch
24-Port
Non-PoE+
Switch
Ta b l e 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.