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The lower section of the display shows SpaceWire information for each active port:
SpaceWire Link status and activity:
N A null SpaceWire token was received on this port. These are exchanged across a link continuously
when there is no other traffic to send.
R A data byte (an Nchar) was received on this port.
F A flow-control token (FCT) was received on this port.
X A link disconnection (i.e. timeout) was observed on this port.
P A parity error was observed on this port.
Each of these status indication characters is displayed for a short length of time to make them visible to the
human eye.
Receive link speed
The above display shows that the unit is listening for an Ethernet connection on IP address 192.168.3.40, and that
the SpaceWire link passing between ports 1 and 2 is active with a link speed in each direction of 50 Mbps. The
traffic contains parity errors and the disconnects associated with link recovery.
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