Operations and Maintenance Manual

_
JANUS
®
Multi-Protocol Reader Ver. 2: Maintenance Instructions
Confidential UM 360463-202: A12 (Draft) Page 196 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
Troubleshooting tree: LPM Serial Port communications not working
Start
Symptom:
Status page shows LC Serial Link is down
 Verify serial cable connections from
the reader to the Lane Controller
pass a continuity test for open
circuit, high impedance, or short
circuit conditions.
 Verify LC serial communication
settings are configured correctly
LC Serial link
status displays
Enabled?
LC Serial link is
functional
Test the LPM
board serial COM
port(s)
LC Serial link is
functional
Replace the CTM
LC Serial link is
functional
Replace the LPM
LC Serial link is
functional
Contact Kapsch Service for
assistance
LC Serial link
status displays
Enabled?
LC Serial link
status displays
Enabled?
LC Serial link
status displays
Enabled?
Yes
No
Yes
No
Yes
No
Yes
No