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Description:
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signalState OBJECT-TYPE
SYNTAX INTEGER(0..9)
ACCESS read-only
STATUS mandatory
DESCRIPTION
"<Definition> For NTCIP 1202 user clarification, this object value defines the movement state (e.g., permitted, protected) of a channel. This object is determined as follows where Column A is the channelGreenType, Column B is the channelGreenIncluded, and Column C is the channel output for the channelNumber:
+-----------------+-----------------+-----+-----------------+--------+
| signalState | A | B | C | Notes |
+-----------------+-----------------+-----+-----------------+--------+
| unavailable (0) | Any | Any | Unavailable | |
| 1 - See Note G | Any | Any | See Note A | |
| 2 - See Note G | flashRed (5) | 0 | Green or Red | Note B |
| 3 - See Note G | Any | Any | Red | |
| 4 - See Note G | N/A | N/A | N/A | |
| 5 - See Note G | permissive (3) | 0 | Green | |
| 5 - See Note G | protected (2) | > 0 | Green | Note C |
| 6 - See Note G | protected (2) | > 0 | Green | Note D |
| 6 - See Note G | protected (2) | 0 | Green | |
| 7 - See Note G | Any | Any | Yellow | Note E |
| 8 - See Note G | protected (2) | Any | Yellow | Note F |
| 9 - See Note G | flashYellow (4) | 0 | Green or Yellow | |
+-----------------+-----------------+-----+-----------------+--------+
Note A: Not Green, Yellow or Red.
Note B: If this movement state is controlled by a 4-section head or 5-section head, and the signal indication is 'Red', then this movement maneuver is also considered 'Red'.
Note C: If one or more of the octets in channelGreenIncluded is Not 'Red' or is dark.
Note D: If all octets in channelGreenIncluded are 'Red'.
Note E: Only if the preceding signalState was permissive-movement-allowed.
Note F: Only if the preceding signalState was protected-movement-allowed.
Note G: The definition of the value can be found in SAE J2735_201603 DE_MovementPhaseState.
For example, the object value is '6' if the channelGreenType is protected (2), and all octets in channelGreenIncluded (each representing a channelNumber) are 'Red'; OR if the channelGreenType is protected (2) and the channelGreenIncluded is 00.
Note this object provides the movement state of the channel in general, unlike movementManeuverState which defines the movement state of a specific movement maneuver (from what lane to what lane). This object may be exchanged between the ASC and CV Roadside Process if the movementManeuverState is not used.
<Object Identifier> 1.3.6.1.4.1.1206.4.2.17.1.7.1.1"
REFERENCE
"SAE J2735_201603 DE_MovementPhaseState"
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