1. Definitions

Alarm code id

Identity of an alarm

The examples in this document are defined according to the following format: Ayyyy, where yyyy is a unique number.

Code id

A code id identifies alarms, commands and statuses. See Alarm code id, Command code id and Status code id.

Command code id

Identity of a command

The examples in this document are defined according to the following format: Myyyy where yyyy is a unique number.

External alarm code id

Manufacturer specific alarm code and alarm description. Includes manufacturer, model, internal alarm code och additional alarm description.

External NTS alarm code id

Alarm code in order to identify alarm type during communication with NTS

DATEX II

European standard for message exchange between traffic systems (www.datex2.eu)

Functional position

Provides command options for a site. For instance, “start” or “stop” It is meant to be used for the entire site and not for an individual component. It can be implemented using a command and can be read from the site using the aggregated status message.

Functional state

Not used

ITS site

Road side equipment. Covers both field level and local level

JSON

JavaScript Object Notation

Local road side equipment

See ITS site

Maneuver

Provides command options for one or many individual components. For instance, “start” or “stop”. It can be implemented using a command and can be read from the site using a corresponding status message.

Designed to be used with NTS.

National Traffic management system at the Swedish Transport Administration

NTS

National Traffic management system at the Swedish Transport Administration

Component

A component represents physical or logical parts of a site, e.g. a camera, a control flow algorithm or a group of signs.

Please note that a component is not necessarily the same thing as an NTS object.

Component id

A Component ID identifies a component.

Parameter

Used for modification of technical or autonomous traffic parameters of the equipment. Can be implemented using commands and statuses.

RSMP

Road Side Message Protocol

RSMP Nordic

Organization for maintaining and develop the RSMP protocol. Collaboration between a group of Nordic road authorities.

Site

See ITS site

Site id

Site identity. Used in order to refer to a “logical” identity of a site.

Supervision system

Control and supervision system for regional and/or national level

SXL

Signal exchange list. Defines which messages types (signals) which is possible to send to a specific equipment or component. E.g. alarms, statuses and commands

Status code id

Identitiy for a status

The examples in this document are defined according to the following format: Syyyy where yyyy is a unique number.

TCP/IP

Transfer Control Protocol/Internet Protocol

W3C

World Wide Web Consortium

XML

eXtensible Markup Language