rail:nationalSystem 

list of installed national train protection/control systems

http://wiki.railml.org/index.php?title=RS:nationalSystem

Element Information

Model

rail:additionalName* , ANY element from ANY namespace OTHER than 'http://www.railml.org/schemas/2016'
Children: rail:additionalName

Attributes

QName Type Fixed Default Use Inheritable Annotation
code rail:tGenericName optional 
for typical, specific abbreviations, used in different systems with the same understanding
description rail:tElementDescription optional 
should be interpreted in its elements' context, substantiates the name
id rail:tGenericID required 
XML-file-wide unique identity is required for later referencing that element
name rail:tGenericName optional 
should be interpreted in its elements' context (e.g. track/name, vehicle/name)
onBoardUnitID xs:string optional 
identification of the on-board unit used for addressing within communication
softwareVersion rail:tVersionNumber optional 
version of installed software of the system
trainProtectionMedium rail:tTrainProtectionMedium required 
type of transmission medium for the train protection system
trainProtectionMonitoring rail:tTrainProtectionMonitoring required 
way of information transmission between line-side and train-borne equipment
type xs:string required 
type of national system as enumeration
 
use value from the separate code definition file 'TrainProtectionSystems.xml'/trainProtectionSystemsOnVehicle
xml:lang xs:language optional 
In due course, we should install the relevant ISO 2- and 3-letter
codes as the enumerated possible values . . .
Wildcard: ANY attribute from ANY namespace OTHER than 'http://www.railml.org/schemas/2016'

Source 

<xs:element name="nationalSystem" type="rail:tNationalSystem" minOccurs="0" maxOccurs="unbounded">
  <xs:annotation>
    <xs:documentation>list of installed national train protection/control systems</xs:documentation>
    <xs:documentation source="http://wiki.railml.org/index.php?title=RS:nationalSystem"/>
  </xs:annotation>
</xs:element>

Sample