Operations and Maintenance Manual

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MPR 4.1 Reader Appendix
Confidential UM UM360479-100 Revision: Draft B4 Page 151 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
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Term
Meaning
Reference or example
N/A
not available
NEC
National Electric Code
NEMA
National Electrical Manufacturers
Association
Sets standards for electrical components. Equipment enclosures
with a NEMA rating meet a certain standard. NEMA-4 is
generally considered watertight.
NTP
Network Time Protocol
OBU
On Board Unit
Transponder or tag
ORT
Open Road Tolling
ETC from high speed vehicles that do not slow down and may
straddle lanes
PC
Personal computer
PF
Programming failure
transponder programming by the Reader
Pgm
Program or programmed or
programming
context related usage
PID
Plaza ID
a configurable Reader parameter
PS
Power supply
PSM
Power Supply Module
PWA board to provide AC/DC power to the Reader
PTO
Programming timeout
PU
Programming unverified
transponder programming by the Reader
PWA
printed wiring assembly
All of the digital rack plug-in boards have PWAs
QMS
Quality management system
R/W
Read / Write
RAL
Restricted Access Location
Physical security enforced for safety and system integrity.
RAM
Random Access Memory
Data stored in this type of memory can be accessed in any order
Reader
MPR 4.1 Reader
RF
radio frequency
Broadcast band transmission frequencies
RFI
Radio Frequency Interference
Disturbance to radio signals and electronic circuits due to
undesirable E-field emissions from an external source. See also
EMI.
RFID
RF Identification
An automatic Identification methodology relying on storing and
retrieving data remotely using OBUs or RFID Tags (transponders)
and Readers.