2Definition of terms#
The terms defined in MRTS201 General Equipment Requirements apply to this Technical Specification. Additional terminology relevant under this Technical Specification are defined in Table 2 below.
Table 2 – Definitions
| Term | Definition |
|---|---|
| ACMA | Australian Communications and Media Authority. |
| CAT | Customer Acceptance Test (see MRTS201 General Equipment Requirements). |
| Configuration software | Control / diagnostic software that runs on a laptop and can control, interrogate and program the CU. |
- CT
- Commissioning Test (see MRTS201 General Equipment Requirements).
- CU
- Control Unit hardware within the TVMS sign unit which undertakes all communication and internal processing tasks required for operation.
- DoD
- Depth of Discharge.
- DU
- Display Unit.
- Event
- Sign status change, message change, occurrence of a fault in CU or sign.
- FAT
- Factory Acceptance Test (see MRTS201 General Equipment Requirements).
- FP
- Field Processor.
- GPS
- Global Positioning System.
- IAT
- Installation Acceptance Test (see MRTS201 General Equipment Requirements).
- IP
- Ingress Protection.
- LFS
- Local Facility Switch – a key operated device used to manually control operation of the CU.
- Message
- Any stable state displayed by a TVMS on its display at any one instance of time that is preceded and followed by a change of state.
- NATA
- National Association of Testing Authorities.
- Pixel
- The smallest discreetly-controlled light-emitting component of the sign's dot matrix display.
- Replay attack
- Unauthorised access of keyless entry systems without code hopping or rolling code communications algorithms.
- RPEQ
- Registered Professional Engineer of Queensland.
- RSCS software
- Remote sign control system software – this is the software system used to remotely operate and monitor the TVMS signs for example, from a Traffic Control Company’s Premises.
- SRD
- Short-range device: Handheld remotes which can set a TVMS sign to display a permitted message frame.
- STREAMS
- The Principal’s traffic management system and primary user interface to intelligent transport system field devices.
- TVMS
- Transportable variable message sign.
- UHF
- Ultra-high frequency: 300 – 3000 MHz radio frequency spectrum band (see the ACMA website for further information).
- VMS
- Variable message sign.
- VPN
- Virtual private network.
- WH&S
- Workplace Health and Safety.