Installation guide

Page 2-5
EtherPaC 2000+ Installation Guide
LED Indicators
Figure 2-2 shows the two LEDs that indicate Link and Activity status for
installation verification and diagnostic purposes.
Figure 2-2 LED Indicators
Activity LED
The amber Activity LED indicates the activity (transmit and receive data) sta-
tus of the EtherPaC 2000+ controller board. This LED should blink when
data packets are being transmitted or received from the cable.
Link LED
The green Link LED indicates whether the twisted-pair link is connected. If
link integrity is not detected, there is a link failure and the Link LED will be
off. The transmit and receive functions of the jack also will be disabled.
State Description
Blinking • Data packets being transmitted or received
Off • Power off
On • Power on
• Data packets not being transmitted or received
State Description
On • Link integrity is detected
Off • No twisted-pair cable is connected
• No power source to hub
• Twisted-pair cable is faulty
• A non-10BASE-T device connected at the other end of the twisted-
pair cable
Activity LED
Link LED
EPaC 205-01A Book Page 5 Wednesday, October 15, 1997 3:40 PM