Operations and Maintenance Manual

_
JANUS
®
Multi-Protocol Reader Ver. 2: Appendix
Confidential UM 360463-202: A12 (Draft) Page 277 of 291
© Kapsch TrafficCom Canada Inc. 2013
These drawings and specifications contain confidential and proprietary information and are the property of Kapsch TrafficCom Canada Inc. and are issued in strict
confidence and will be kept confidential and used solely for the purpose intended and for no other purpose and shall not be transmitted, reproduced, copied, and/or
used as the basis for manufacture or sale of apparatus unless otherwise agreed to in writing by Kapsch TrafficCom Canada Inc.
FILE: MPR2_OPERATIONS_AND_MAINTENANCE-MANUAL_REV A12.DOCX 05/08/2014 11:24
Kapsch TrafficCom
Term
Meaning
Reference or example
CTS
Clear to send
RS232 pin assignment
DA
data
DB or dB
decibel(s)
unit of measurement of RF signal strength
DC
direct current
DCD
Data carrier detect
RS232 pin assignment
DCE
Data communications
equipment
RS232 port configuration, transmit is pin 2
deg.
degrees
DIN
Deutsches Institut für
Normung
German national standards organization
DSM
Distribution Module
Reader’s back plane carrying DC power distributions to
each module and signal connectivity between modules.
DSR
Data set ready
RS232 pin assignment
DTE
Data terminal equipment
RS232 port configuration, transmit is pin 3
DTR
Data terminal ready
RS232 pin assignment
EBX
embedded board expandable
form factor
compatible with legacy PC104 form factor
EIA
Electronic Industry
Association
EMI
Electromagnetic Interference
Disturbance to radio signals and electronic circuits due
to undesirable B-field emissions from an external
source. See also RFI.
EMP
Electromagnetic Pulse
Strong disturbance that negates the ability of all
exposed electronics in the affected area.
EN
enable
ESD
electro-static discharge
ESM
Ethernet Switch Module
Used to create an inter-Reader network of up to 3
Readers in ORT installations, improves Voting
ETC
Electronic Toll Collection
Collection of tolls using electronic mechanisms such as
RFID tags and Readers
FCC
Federal Communications
Commission
FDM
Frequency Domaine Module
An RF module that is able to scan multiple OBUs from
the frequency being emitted by them.