Operations and Maintenance Manual

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MPR 4.1 Reader Appendix
Confidential UM UM360479-100 Revision: Draft B4 Page 154 of 246
© Kapsch TrafficCom Canada Inc. 2022
All information contained herein is proprietary to, and may only be used with express, written permission from, Kapsch TrafficCom Canada Inc.
FILE: UM360479-100 REV B4 DRAFT WIP MPR-4.1 READER OPERATIONS AND MAINTENANCE MANUAL (002).DOCX 05/25/2022 11:18
Kapsch TrafficCom
Glossary
Name Term or Component
Alias or explanation
Capture Zone
An area where an OBU is detected by the Reader.
Capture Zone Span Time
The amount of time it takes an OBU to pass through a capture zone.
Port
One RF Port
Dummy frame
A time interval placeholder
Dynamic voting
Channels page Voting algorithm. If the dynamic voting algorithm is set to
anything other than "Disabled", the Reader generates a transaction report
at some period in time (called the "Voting timeout") after the initial read
of an OBU. The voting timeout is configured on the web interface
Channels page. The voting timeout is either;
1. Set manually by the operator, or
2. dynamically set according to prevailing traffic speeds on a Port-by-Port
basis.
Earth ground system
The earth ground system must comply with the U.S. National Electrical
Code (NEC) requirements for a grounding electrode.
Express Lane - Wide
No barriers between lanes, straddle antennas required. Same as ORT
feedline
The cable that carries the RF signal to or from the antenna. Also called
transmission line.
frame
one scan of an RF Port. There can be a maximum of eight frames for one
Reader
Format Incompatible report
A report sent to the Lane controller, generated when a non-TDM tag is
seen by the Reader.
Host Computer
Not supplied by Kapsch TrafficCom. Computer used to monitor/control
the LC within the Toll Plaza. The Reader is accessible to a Toll Plaza Host
computer (if available) via the web interface.
Inter-Reader network
An Ethernet network of Readers at an ORT site used for ORT installations
having more than 8 regular-width lanes (or 5 wide lanes) in one direction
Lane assignment
The process of providing a transaction report to the lane controller, with
the intent of correctly identifying the lane of travel of the transponder
equipped vehicle. The overall goal is high programming success rate, high
lane assignment accuracy, and low consistent reporting latency.
Majority (Voting)
Lane Assignment tab Voting algorithm
Plaza
Structure for toll collection, typically with barriers between lanes and
canopy overhead. Vehicles slow for ETC.
Reader
Generic term for the MPR 4.1 Reader in this manual