Operations and Maintenance Manual
_
MPR 4.1
Reader Appendix
Confidential UM UM360479-100 Revision: Draft B4 Page 152 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
Term
Meaning
Reference or example
RFIF
RF Interface
Internal connection from the CTM via the DSM to the RF
modules
RID
Reader ID
a configurable Reader parameter
ROM
Read Only Memory
Data, such as software, in this type of storage device cannot be
modified
RSE
Roadside Equipment
The collection of all AVI equipment at the roadside, including
Reader, antennas, Ethernet switches, power supplies, cables
and connectors. (incorrect, only includes Reader rack)
RTS
Ready to send
RS232 pin assignment
RX or Rx
receive or receiver
Communications or RF Module functions
RXD
Transmit data
RS232 pin assignment
SGND
System ground
SMA
Sub-miniature version A
An RF connector type
SNR or S/N
Signal to noise ratio
A comparison of desired signal to the level of background noise.
SSH
Secure shell
SSL
Secure sockets layer
Internet site security access via certificates
Sync
Synchronization
TAB
Tabulation
System of indexing used for variations of assembly drawings. A
drawing number ending in the suffix “-TAB” will have a list of all
other variations of the drawing (can be from -001 to -999).
TC
Toll collection
a Reader application
TCP
Toll Collection Programming
Software modules used to collect tolls
TCP/IP
Transmission Control
Protocol/Internet Protocol
The Internet Protocol Suite is the set of protocols used for the
Internet, and other systems or Intranets
TDM
Time Division Multiplexing
An RF module that is able to scan OBUs through time
sequencing by using time difference between one OBU and
another.
TM
Traffic management
a Reader application
TMP
Traffic Management Programming
Software modules used for traffic management
TTO
Transponder timeout
TX or Tx
transmit or transmitter
Communications or RF Module functions
TXD
Transmit data
RS232 pin assignment