Operations and Maintenance Manual

_
JANUS
®
Multi-Protocol Reader 2.4 Operating Instructions
Confidential UM 360467-110 Revision: B Page 28 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
Smart Multi-protocol RF Module Plus (MRFM-S Plus)
Function
Executes frame functions triggered by command
or configuration messages and timing signals
received from the CTM via the DSM.
Executes the over-air aspects for a protocol
within each frame, generating the analog RF
signal that is sent to the OBU via the antenna.
Receives the analog RF signal collected from the
OBU via the antenna and recovers the data
content from the over-air protocol messages.
Reports the recovered data and status
information as messages that are sent to the CTM
via the DSM.
Output Power = 36dBm + 0.6dBm
Units per Reader
One MRFM-S Plus for each antenna. A maximum
of 8 MRFM-S Plus per Reader.
Redundant
No
Normal State
The DATA LED illuminates solid green when
RF is being transmitted.
Connections
The MRFM-S Plus module supports mono static
output configurations.
Only connections is connected by an RF cable
to the antenna.