VIP-X System Manual
Revision 1.0 VIP-X - 33
Devices on the Ethernet network continually monitor the receive data path for activity as a means of
checking that the link is working correctly. When the network is idle, the devices also send a link test
signal to one another to verify link integrity. The rear panel is fitted with two LEDs to monitor the
Ethernet connection.
10/100: This Amber LED is ON when a 100Base-TX link is last detected. The LED is
OFF when a 10Base-T link is last detected (the LINK LED is ON). Upon power-
up the LED is OFF as the last detected rate is not known and therefore defaults
to the 10Base-T state until rate detection is complete.
LN/ACT: This dual purpose Green LED indicates that the 7767VIPX card has established
a valid linkage to its hub, and whether the 7767VIPX card is sending or receiving
data. This LED will be ON when the 7767VIPX card has established a good link
to its supporting hub. This gives the user a good indication that the segment is
wired correctly. The LED will BLINK when the 7767VIPX card is sending or
receiving data. The LED will be OFF if there is no valid connection.
In order to use the Ethernet connection the user will have to configure the IP addresses for the network.
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