This data flow provides the operational status (state of the device, configuration, and fault data) of an indicator used on a highway for the Manage Maintenance and Construction function. The fault will have been found by a process that is local to the indicator itself. By monitoring this data flow, the receiving process can assess the health and current status of field equipment and repair if deemed necessary. The data flow consists of the following data items each of which is defined in its own DDE:

+ device_identity
+ station_id

Sub Data Flows

Parent Data Flows

Associated PSpecs