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Failure during the initial four stages of the self-test usually indicates a hardware problem. Failure at the fifth stage
suggests a fault with the contents of the memory card; memory cards are configured for specific 4Links units, so
make sure that you have plugged the correct card into this unit.
5.2
Normal (Status) display
In normal operation, the display shows the state of the SpaceWire and Ethernet connections and any activity on
these interfaces.
F
IGURE
5-2
T
HE
DSI
STATUS DISPLAY
The top line of the display shows Ethernet information:
The IP address of this unit;
Ethernet status:
∗
The SFP module (see section 3.2, “The Ethernet Connection”) is not present;
X
The SFP module is present but the Ethernet cable is not connected;
L
The Ethernet is connected and the DSI is listening for a connection;
C
The Ethernet is connected to a user program.
Ethernet Activity (note that Ethernet activity that is not related directly to SpaceWire traffic may be
reported, e.g. broadcasts from other devices on the Ethernet):
R
Data is being received from Ethernet;
T
Data is being transmitted to Ethernet.
The lower section of the display shows SpaceWire information:
SpaceWire link status and activity:
Dsbl
The link is disabled;
Wait
The link is waiting for a connection (legacy mode);
Dsct
The link is disconnected (ECSS mode);
-3S-
The link has been tri-stated by the Output Disable (OD) or Output Enable (OE) options. See
section
xx
, “Options OD and OE - Output Disable and Output Enable”, for further information on
these.
R
Data has recently been received;
T
Data has recently been transmitted;