Link LED
25
Link LED
Each 3C509B NIC has a light-emitting diode (LED) that
indicates whether an active 10BASE-T network connection
exists between the NIC and the hub. The LED flashes if the
polarity of the network cable is reversed.
When you first install the NIC and power-on the computer,
the LED lights, but the network link is inactive. To enable
the network link, you must install the network driver.
Table 4
describes the LED states.
If the NIC LED indicates a problem, perform the
following steps:
1 Ensure that the network hub and the network
cable connected to your EtherLink 10 ISA NIC
comply with the 10BASE-T specifications.
2 Ensure that the hub is powered on.
You have completed the hardware installation. To
install software:
■
For PCs running Windows 95 or Windows 98, go to
Chapter 2
.
■
For PCs running Windows NT, go to
Chapter 4
.
■
For PCs running DOS, Windows 3.x, or
Windows for Workgroups, go to
Chapter 5
.
Table 4
NIC LED Interpretation
LED State
Meaning
On
If drivers are installed, the connection is active.
If drivers are not installed, this state indicates that the
NIC is receiving power.
Off
If the LED is not lit, something is preventing the
connection between the NIC and the hub.
Blinking
If the LED is blinking, the cable polarity is reversed. Try
a different network cable or contact your network
support representative.
Book Page 25 Monday, June 7, 1999 8:55 AM
