Nortel Networks 4500 Switch User Manual


 
Cabling the Switch
2-17
Figure 2-8 shows the PCI card 10/100BASE-TX public LAN LEDs. Look at the
condition of the LEDs, then examine the corresponding LED table to better
understand the indications.
Figure 2-8. 10/100BASE-TX LAN LEDs
Table 2-9. 10/100BASE-TX LAN LED Card Indicators
LED Indicator Description
ACT/
LNK
On or Flashing The card is sending or receiving network data.
The frequency of the flashes increases with
increased traffic.
Off The card is not sending or receiving data.
10/100
TX
On Operating at 100 Mb/s.
Off Operating at 10 Mb/s.
Link LED
Activity LED
100Mb/s LED
LNK
ACT
100
TX
DATA