running machine - H-P-COSMOS Sports and Medical
running machine - H-P-COSMOS Sports and Medical
running machine - H-P-COSMOS Sports and Medical
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Picture 11: classification of a network or data network in categories A, B <strong>and</strong> C<br />
Class „C“-network or data network:<br />
safety, warnings, precautions, prohibitions<br />
All time-critic processes <strong>and</strong> applications for those a malfunction or interruption would lead to a critical situation<br />
for the patient as in an intensive care network are categorized as class C. Such a network should not be<br />
connected to the general hospital network, because such a connection might create uncontrollable risks. The<br />
accessibility of such an isolated (floating) network has to be very high, interruptions must occur very seldom. For<br />
such a network the manufacturer / deliverer is the only responsible, he has to define the specifications of the<br />
network nodes to be used.<br />
Note: In practice such an isolation of networks in hospitals can be realized only by very high technical effort or not<br />
at all. Depending on the manufacturer the patient monitors in intensive care can also show x-ray images,<br />
laboratory data <strong>and</strong> other patient related information; this requires a connection of the intensive care network <strong>and</strong><br />
the general hospital network to transfer data like x-ray images form the PACS. In this case the responsibility of<br />
such networks is clearly transferred to the operator.<br />
Class „B“ network or data network:<br />
This category of networks or data networks includes all not time-critical applications or processes, which h<strong>and</strong>le<br />
therapeutic or diagnostic patient data. Such a network may be connected to another network like a hospital<br />
network via a defined <strong>and</strong> controllable or save interface. The st<strong>and</strong>ards for such a network are high, so<br />
interruptions shall last only for short times.<br />
The specifications of such a network are either defined by the manufacturer or the system administrator defined<br />
by the operator. As class B networks are usually radiologic networks, it is a problem to define the responsibility for<br />
such a system when several manufacturers allocate different modules.<br />
file: n:\article\cos14310m5-v1_06hpc-en\20120215_cos14310m5-v1.06hpc-en_manual_h-p-cosmos_<strong>running</strong>_<strong>machine</strong>.doc<br />
© 2012 h/p/cosmos sports & medical gmbh email@h-p-cosmos.com created 15.02.2012 printed 15.02.2012 page: 31 of 213