Operations and Maintenance Manual

_
JANUS
®
Multi-Protocol Reader Ver. 2: Appendix
Confidential UM 360450-210 Revision C Page 275 of 288
© Kapsch TrafficCom Canada Inc. 2014
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: UM 360450-210 REV C JANUS MPR2 OPERATOR-MAINTENANCE MANUAL.DOCX 08/17/2015 11:42
Kapsch TrafficCom
Term
Meaning
Reference or example
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 Ver. 2
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.
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