152
Power over Ethernet
Nortel Ethernet Routing Switch 4548GT-PWR operating on internal power
source only
"Power source and available power for powered devices" (page 152)
describes the power source and available power by using only the internal
power source option.
Power source and available power for powered devices
Power Source
Available Power for Powered Devices
AC Connection
320 W
External power source only option
Using the Nortel Ethernet Routing Switch 4500 Series 4550T-PWR and the
4548-GT-PWR switches and their external power source, your only option
(Nortel Ethernet Redundant Power Supply Unit 15) is a total of 320W of
available power. You can power up to 48 ports at 6.6W for each port with
this configuration or 20 ports at the maximum power of 15.4W for each port.
The following figure illustrates the Nortel Ethernet Routing Switch
4548GT-PWR operating only on the external power source.
Nortel Ethernet Routing Switch 4500 Series
Overview — System Configuration
NN47205-500
02.01
Standard
5.0
23 February 2007
Copyright © 2007, Nortel Networks
Nortel Networks Confidential
.