About The Nortel Ethernet Routing Switch 4500 Series; Hardware Features; Cooling Fans - Nortel 4500 Series Overview-System Configuration

About the Nortel Ethernet Routing
Switch 4500 Series
This chapter provides a general overview of the functionality and capabilities
of the Nortel Ethernet Routing Switch 4500 Series. This chapter contains
information the following topics:
•
•
•
•

Hardware features

This section provides information about the hardware features of the Nortel
Ethernet Routing Switch 4500 Series switch platforms.
Hardware description by model
Model Key Features
4526FX 24 100BaseFX ports (MTRJ connector) plus 2 10/100/1000 SFP combo ports
Redundant power slot for DC/DC converter installation
4550T 48 10/100BaseTX RJ-45 ports plus 2 10/100/1000 combo ports
Redundant power slot for DC/DC converter installation
4550T-PWR 48 10/100BaseTX RJ-45 ports with PoE plus 2 10/100/1000 SFP combo ports
4548GT 48 10/100/1000BaseTX RJ-45 ports and 4 shared SFP ports
Redundant power slot for DC/DC converter installation
4548GT-PWR 48 10/100/1000BaseTX RJ-45 ports with Power over Ethernet and 4 shared
SFP ports

Cooling fans

When you install the switch, always allow enough space on both sides for
adequate air flow.
See Nortel Ethernet Routing Switch 4500 Series Installation (NN47205-300)
for detailed information about installation.
Copyright © 2007, Nortel Networks
.
"Hardware features" (page 119)
"Auto Unit Replacement" (page 121)
"Features of the Nortel Ethernet Routing Switch 4500 Series" (page 131)
"Supported standards and RFCs" (page 144)
Nortel Ethernet Routing Switch 4500 Series
Overview — System Configuration
NN47205-500 02.01 Standard
5.0 23 February 2007
119
Nortel Networks Confidential