Operations and Maintenance Manual
_
JANUS
®
Multi-Protocol Reader 2.4 Maintenance Instructions
Confidential UM 360467-110 Revision: B Page 193 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
Troubleshooting tree: Simultaneous faults on Primary and Secondary CTMs
Simultaneous
faults resolved
START
Symptom:
Both CTM MC and/or CGC2 LEDs are solid red
Switchover on Serial
Link down Enabled?
Simultaneous
faults resolved
Contact Kapsch
Service for
assistance
Yes
No
Check if the Lane Controller Ethernet Links are Down on
the Status page. If the LC Ethernet links are down,
check the LC Ethernet server, connections and cables to
primary and secondary sides of the Reader.
Switchover on Ethernet
LC link down enabled?
Check if the Lane Controller Serial Links are Down on
the Status page. Check that the serial connections to the
LC are good for both Primary and Secondary LPMs.
Both MC and/or CGC2
LEDs solid red
Simultaneous
faults resolved
Both MC and/or CGC2
LEDs solid red
Switchover on
Inter-Reader Ethernet Link
down Enabled?
Check if the Inter-Reader Ethernet Links are Down on the Status
page. If the Inter-Reader links are down, check the IR Ethernet
cables attached to the front panel, as well as the configuration of the
adjacent reader (i.e., confirm it is enabled for Inter-Reader and the
configuration is correct).
Both MC and/or CGC2
LEDs solid red
Was a lightning
strike possible at the time
the fault first
occurred?
Yes
No
Ensure that the Reader rack is grounded properly.
Check, and replace if necessary, all lightning /surge
protectors.
If simultaneous faults persist, replace Primary CTM. If
Primary CTM recovers, replace Secondary CTM.
Both MC and/or CGC2
LEDs solid red
Simultaneous
faults resolved
Yes No
Yes No
Yes No
Yes
No
Yes
No
Yes
No