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Front Panel
The front panel has four groups of LEDs that provide the status of the LAN connection and link
activity. Two other LEDs indicate the general status of the RASFinder. The Ethernet LEDs display the
activity of the LAN, i.e., whether the RASFinder is connected to the LAN, transmitting or receiving
packets, or if a collision is in progress. The Link LEDs display the status of the three links that can be
connected to the RASFinder and show whether a link is ready to transmit or receive serial data. The
last two LEDs indicate whether the self-test passed or failed and if the power ON/OFF switch on the
back of the RASFinder is set to ON.
ETHERNET
RD
Receive Data indicator blinks when packets are being received from the local area network.
TD
Transmit Data indicator blinks when packets are being transmitted to the local area network.
CL
Collision indicator lights when a collision is in progress; that is, when two nodes are
transmitting packets at the same time.
LK
Link indicator lights indicating that the RASFinder is connected to the local area network.
LINK x
RD
Receive Data indicator blinks when the link is receiving data.
TD
Transmit Data indicator blinks when the link is transmitting data.
CD
Carrier Detect indicator lights when the link detects a carrier signal.
TR
Terminal Ready indicator blinks when the link is ready to transfer data.
Fail
Fail indicator lights for 2 minutes when power is applied to the RASFinder; if it remains on for
over 3 minutes, it indicates that a boot failure has occurred.
Power The power indicator lights when the On/Off Switch is in the ON position.
MTASR3-200
Chapter 1 - Introduction and Description
Figure 1-2. Front Panel
8
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