LEDs for operation status
BMTX-SVN01C-EN 123
Table 30. Reset level descriptions for the BMTX BCU
BCU reset/restore command Reasons to reset Notes
Reset (same as power cycle)
• Resets the processor on the selected
BCU
• Initialize modem
• Initialize communication links
• Temporary loss of communication with
the BCU
Clear RAM and reset
• Clears the RAM from the BCU and resets
the BCU processor
• If the BCU has a database intact, it auto-
matically reconstructs the RAM as
needed and resumed processing
• Update members in VAS (not applicable
for Comm5 VAS)
Same as reset plus:
• Loss of operator overrides. Values
return to Tracer Summit defaults
• Loss of pending alarms
• No loss of Comm5 database
Clear database, RAM, and reset
• Clears both the database and RAM from
the selected BCU and resets the BCU
processor.
Note: To prevent download of database
from secondary workstations, discon-
nect them from LAN before proceeding.
• Clear the BCU database using the BCU
reset/restore command or using DIP
switch method.
• Then disconnect BCU from the LAN
either by removing the LAN cable or
using the Disconnect button on the Tool-
bar.
• Restore the new database to the PC
workstation.
• Reconnect the BCU.
• Database will be automatically sent to
the BCU.
• Restore a backup database from the PC
workstation to the BCU.
• Replace a database in the BCU.
Same as Clear RAM and Reset plus:
• Takes longer to regain communication
with the BCU and UCMs than a clear
RAM or reset does.
• If database is restoring from a backup of
the site, current trend and calculation
information is lost and reverts to infor-
mation stored in backup.
Clear code, database, RAM, and reset
• Clears all memory—code (image), data-
base, and RAM—from the BCU and
resets the BCU processor.
• If the PC workstation is online, it auto-
matically downloads the code.
• Once the code is successfully down-
loaded, the PC workstation automati-
cally downloads a new database.
• Required when upgrading Tracer Sum-
mit BCU image
Same as Clear Database, RAM, and Reset
plus:
• Code will load to a BCU that does not
have an address.
• If a database with a different address or
site name is loaded to the BCU, the BCU
Comm5 database will be cleared.
Clear Comm5 database
• Happens automatically when site name
in BCU changes or BCU address
changes.
• If the PC workstation is online, it auto-
matically downloads the code.
• Once the code is successfully down-
loaded, the PC workstation automati-
cally downloads a new database.
• Used for troubleshooting problem links • Cannot be done from a PC Workstation
BCU Reset/Restore menu.
Note: For detailed instructions for the DIP switch method, refer to “BCU reset procedures” on page 120.
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