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ETTC'2003 - SEE

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0<br />

X<br />

Y<br />

X'<br />

Y'<br />

0 X Y<br />

Sampling Cycle<br />

X Y X' Y'<br />

Cmd Cmd Cmd Cmd<br />

CAIS Cmd/Rep Cycle<br />

Ethernet Packet Cycle<br />

T/2 T<br />

Figure 4: Time line for data i/o<br />

T/2 X' Y'<br />

An important aspect of this system is the distribution digitally over the backplane.<br />

This allows us to expand the concept to include several CAIS busses. Additionally<br />

we can add several sinks of the data and transmit the same instances of CAIS<br />

samples on different protocols.<br />

When the commercial standards move on (as they inevitably will) we need to add a<br />

new module to implement the latest flavour of commercial network. Our underlying<br />

architecture is not affected, we do not need to strip out our tried and tested<br />

equipment, and we do not need to return to a blank drawing board to leverage the<br />

new technology.

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