Checking Light Emitting Diode (Led) On The Nortel Ethernet Routing Switch 4500 Series; Front Panel Leds; Installation Guide; Nn47205-300 (322811-B) 03.01 Standard - Nortel 4524GT Installation Manual

40 Installing the Nortel Ethernet Routing Switch
Checking Light Emitting Diode (LED) on the Nortel Ethernet Routing
Switch 4500 Series
The figures and tables in the following sections describe the LEDs on the
Nortel Ethernet Routing Switch 4500 Series switches. The tables describe
LED operation for a switch that finishes the power-on self-test.

Front panel LEDs

The following diagrams illustrate the components on the front panels of the
Nortel Ethernet Routing Switch 4500 Series switches:
•
•
•
•
•
•
•
•
•
•
For detailed explanations of the states indicated by each front panel LED
type, see the following sections:
•
•
•
Copyright © 2007, Nortel Networks
.
WARNING
Disconnecting the AC power cord is the only way to turn off AC
power to the Nortel Ethernet Routing Switch 4500 Series. Always
connect the AC power cord in a quickly and safely accessible
location in case of an emergency. For a translation of this
statement, see
"Nortel Ethernet Routing Switch 4548GT" (page 41)
"Nortel Ethernet Routing Switch 4548GT-PWR" (page 41)
"Nortel Ethernet Routing Switch 4550T" (page 41)
"Nortel Ethernet Routing Switch 4550T-PWR" (page 41)
"Nortel Ethernet Routing Switch 4526FX" (page 42)
"Nortel Ethernet Routing Switch 4526T" (page 42)
"Nortel Ethernet Routing Switch 4526T-PWR" (page 43)
"Nortel Ethernet Routing Switch 4526GTX" (page 43)
"Nortel Ethernet Routing Switch 4526GTX-PWR" (page 44)
"Nortel Ethernet Routing Switch 4524GT" (page 43)
"Switch LED state indicators" (page 44)
"Port LED state indicators" (page 45)
"SFP transceiver Port LED state indicators" (page 46)
Nortel Ethernet Routing Switch 4500 Series

Installation Guide

NN47205-300 (322811-B) 03.01 Standard

5.1 19 November 2007
"Translations of safety messages" (page 65).