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Page 7 of 110
Rev. G
Section 2.1: LED Indicator Table
mCore LED Indicators
Solid Green
Blinking Green
Solid Amber
Blinking Amber
Solid Red
Blinking Red
LED Off
Power
Powered On, Booted
Up, and Ready to Use
Powered On
and Booting Up
Key-switch Has
Initiated Shutdown
or Software
Upgrade In Progress
Final Shutdown
Sequence and Initial
Reboot
Unit Does
Not Have
Power
CDL
Good
Communications
Actively Scanning
CDL Bus for
Responding
Parameters
Indicates
Responding
Parameters During
Scanning
Cable Not Connected,
Wired Incorrectly, or
CDL Device Is
Powered Off
Protocol
Not
Configured
CAN1
Good
Communications
Cable Disconnected
or J1939 Device Is
Powered Off
Protocol
Not
Configured
CAN2
Good
Communications
Cable Disconnected
or J1939 Device Is
Powered Off
Protocol
Not
Configured
Modbus
Master
(RS-485/232)
Actively Polling But
Receiving No Replies
Good
Communications
Upon Bootup Only:
No Activity On Bus,
Cable Not Connected,
or Incorrect Mapping
For Slave Device
CRC Error
Protocol
Not
Configured
Modbus
Slave
(RS-485/232)
Will Be Temporarily
Solid When Other
Devices On The
Network Are Being
Polled
Good
Communications
No Polls Being
Received, Cable Not
Connected, Master
Device Powered Off,
or Incorrect Registers
Being Requested
CRC Error
Protocol
Not
Configured
Ethernet 1
Link Established But
Not Actively
Communicating
Good
Communications
No Link Established
or Cable
Disconnected
Ethernet 2
Link Established But
Not Actively
Communicating
Good
Communications
No Link Established
or Cable
Disconnected
Factory Reset
Factory Reset Is
Complete (All
Protocol LEDs)
Factory Reset
Initiated (All
Protocol LEDs)
Summary of Contents for mCore SDR
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