Port Led State Indicators - Nortel 4500 Series Installation Manual

Port LED state indicators

This section describes the port LED state indicators by color and fluctuation
cues.
The following list describes the three port LEDs:
•
•
•
RJ-45 Port LED state indicators
Label Color and Status
Speed/PoE Green, Pulse
Green–Green
Green, Steady
Amber, Pulse
Amber–Amber
Amber, Steady
Amber, Green Pulse
Off
Link / Green, Steady
Activity
Green, Blink
Green, Slow Blink
Amber, Blink
Off
SFP transceiver Port LED state indicators
Label
Color and Status
In Use Green, Blink
Green, Steady
Amber, Blink
Off
Copyright © 2007, Nortel Networks
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Checking LEDs on the Nortel Ethernet Routing Switch 4500 Series 37
Activity indicates the level of activity on the link.
Link indicates the presence of an Ethernet link.
Speed indicates the port speed (for example, 10 Mb/s, 100 Mb/s, 1000
Mb/s).
Description
The port is set to operate at 1000 Mb/s on the ERS
4548GT-PWR, and 100 Mb/s on the ERS 4550T-PWR
(PoE models).
The port is set to operate at 1000 Mb/s on the ERS
4548GT and 100 Mb/s on the ERS 4550T.
The port is set to operate at 100 Mb/s on the ERS
4548GT-PWR and 10 Mb/s on the ERS 4550T-PWR
(PoE models).
100 Mb/s on the ERS 4548GT and 10 Mb/s on the ERS
4550T.
The port is experiencing a PoE error.
When the Link/Activity LED is green and the Speed LED
is off, the port is set to operate at 10 Mb/s for the ERS
4548GT or 4548GT-PWR models.
The link established but no data activity exists.
The link is established and data activity exists (the blink
rate indicates the level of activity).
The software disabled the port.
Not applicable.
The port has no link or activity.
Description
Not applicable.
The SFP port and the transmit port are active.
Not applicable.
No SFP transceiver is present.
Nortel Ethernet Routing Switch 4500 Series
Installation Guide
NN47205-300 02.01 Standard
5.0 23 February 2007
Nortel Networks Confidential