Operations and Maintenance Manual

_
JANUS
®
Multi-Protocol Reader 2.4 Appendix
Confidential UM 360467-110 Revision: B Page 234 of 247
© Kapsch TrafficCom Canada Inc. 2021
All information contained herein is proprietary to, and may only be used with express, written permission from, Kapsch TrafficCom Canada Inc.
FILE: UM 360467-110 REV B3 MPR 2.4 CLEAN.DOCX 03/02/2021 1:01
Kapsch TrafficCom
Term
Meaning
Reference or example
MC
Main Controller
Intel-x86 based single-board computer that runs the Reader
software
MRFM-S
Smart RF Module
The analog portion of the Reader and the termination point for
coaxial cables from the antennas with command driven Tx and Rx
attenuation.
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
JANUS® Multi-Protocol Reader 2.4
RF
radio frequency
Broadcast band transmission frequencies