SYS_PARAMETER - what is it?
<PORT name="4" physicalName="4" >
<SYS_PARAMETER id="obj686919693-104" />
<PARAMETER name="ENTRY_PORT" value="4"/>
<PARAMETER name="LAYER" value="DEF_LINES"/>
<PARAMETER name="NAME_FORMAT" value="#"/>
id="obj686919693 - is it harness?
-104" - what is it?
