CAN Bus Con
fi
guration
Chapter 6: Con
fi
guration and Testing
CAN Bus Configuration
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CAN Bus interconnects units in the BTS. It is used for signalling, con
fi
guration and troubleshooting.
CAN Bus con
fi
guration and diagnosis in done through use of MMI Commands from the
Site Controller
.
To use the commands connect the
Service Terminal
) to the
Site Controller
using the
Service Cable
"Service Cable and Connector Box Description"
All the CAN Bus related Commands are covered in detail in the “MMI Commands” Booklet.
Using CAN Bus MMI Commands it is possible to diagnose the state of all the devices connected to the CAN Bus:
•
•
•
•
•
PSU CAN Bus Commands
The PSU CAN Bus Commands are used to verify the state of the Power Supply Unit:
•
psu # get alarm
- if any of the 'fail'
fi
elds indicates
YES
it means a problem.
Examples:
DC in fail:
YES
- indicates battery failure. For an MTS not equipped with backup
battery it is normal behaviour and does not indicate any mulfunction.
AC in fail:
YES
- indicates no or too low AC input voltage.
•
psu # get status
- shows the status of all power sources (AC/DC, in/out).
•
psu # get battery_voltage
- shows the battery voltage.
•
psu # get battery_current
- battery current.
•
psu # get battery_temperature
- battery temperature.
# in PSU CAN bus commands above denotes the number of the PSU, i.e. PSU 1 or PSU 2.
6-8
6802800U74-N September 2009
Содержание DIMETRA MTS 2
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