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ETTC'2003 - SEE

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MEASUREMENTS L1<br />

Acquisition<br />

L2<br />

Acquisition<br />

L2<br />

Acquisition<br />

L2<br />

Electrical<br />

Network L2<br />

ETHERNET LAN<br />

Switch<br />

L3<br />

Switch<br />

L3<br />

Switch<br />

L3<br />

Interface<br />

L4<br />

CUB L4 Partial recorder<br />

Mass Data<br />

recorder L4<br />

Configuration<br />

loading & control<br />

Mass Data<br />

Recorder L4<br />

CUB L4<br />

Video<br />

Accident<br />

Recorder<br />

Telemetry<br />

Partial recorder<br />

Figure 2 - A380 FTI Generic Architecture<br />

Time Base<br />

Generator<br />

As it can be seen on Figure 2, the L3 constitute the real centre of FTI communication :<br />

interconnection between L2 and L4 is ensured through a switched Ethernet LAN.<br />

L2<br />

L4 Computer<br />

L3 Switch<br />

L4 Storage<br />

Acquired<br />

Parameters<br />

Computed<br />

parameters<br />

Ethernet Multicast<br />

IP / UDP<br />

IENA packets<br />

Figure 3 - A380 FTI LAN (Acquisition Mode)<br />

Accident FTI<br />

Wide Band<br />

FTI<br />

BASIC<br />

Trajectography<br />

Flight test<br />

Engineer<br />

Station<br />

ADIS Water<br />

Ballast<br />

«Crash»<br />

Parameters<br />

BASIC FTI WIDE BAND FTI CRASH FTI

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