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ProxyServer User Guide
Front Panel
The front panel contains three groups of LEDs that provide the status of the Ethernet LAN
connection, link activity, and general status of the ProxyServer. The Ethernet LAN LEDs display the
activity of the LAN in whether the ProxyServer is connected to the LAN, transmitting or receiving
packets, and if a collision is in progress. The Link LEDs display the status of the three links that can
be connected to the ProxyServer, e.g., whether a link is ready to transmit or receive serial data or if
an external communications device with a V.35 interface is connected to the ProxyServer. The
General LEDs indicate whether the self test passed or failed (Note that the Fail LED is lit during boot-
up) and if the power On/Off switch on the back of the ProxyServer is turned 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 ProxyServer is connected to the local area
network.
Links (1, 2, and 3)
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.
General
FAIL
Fail indicator lights when a self test fails to complete as expected and during boot-up.
POWER
The power indicator lights when the On/Off Switch is in the ON position.
8
Figure 1-2. Front Panel
MTPSR3-200
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