Operations and Maintenance Manual

_
JANUS
®
Multi-Protocol Reader Ver. 2: Maintenance Instructions
Confidential UM 360450-210 Revision C Page 179 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
Figure 5-9: Synchronization circuit schematic for three Readers
GND
SPM
Reader 1
GND
R-
R+
T+
T-
GND
GND
R-
R+
T+
T-
GND
GND
R-
R+
T+
T-
SPM
Reader 2
SPM
Reader 3
Sync hub terminal block
lightning
protector
Earth Ground
Earth Ground
Earth Ground
Shield
Synchronization between MPR2 Readers
All Readers in a synchronization circuit must be configured correctly for Synchronization to work. Also,
the number of frames per superframe must be equal between MPR2 Readers in the synchronization
circuit.