Until now, the RCC contained a filter to prevent a user from accidentally uploading a SECURE MODE TCF (T:LAN Configuration File) to a STANDARD MODE T:LAN. This implementation was carried out as follows:
Scenario
TCF File
T:LAN Mode
Result
Reason
A
SECURED TCF
SECURED T:LAN
Allow
Expected Behaviour
B
STANDARD TCF
STANDARD T:LAN
Allow
Expected Behaviour
C
SECURED TCF
STANDARD T:LAN
Warn User &
Block
To Prevent Communication Issues
D
STANDARD TCF
SECURED T:LAN
Warn User &
Allow if ACKed
Asks User whether or not to proceed
Starting with RCC Version 3.11.0.695, the behaviour has now been modified to:
Scenario
TCF File
T:LAN Mode
Result
Reason
A
SECURED TCF
SECURED T:LAN
Allow
Expected Behaviour
B
STANDARD TCF
STANDARD T:LAN
Allow
Expected Behaviour
C
SECURED TCF
STANDARD T:LAN
Warn User &
Block
To Prevent Communication Issues if T:LAN Running OS
C
SECURED TCF
STANDARD T:LAN
Warn User &
Allow if ACKed
If T:LAN Running OS>=BN7589, Then The User Will Be Asked Whether Or Not To Proceed
D
STANDARD TCF
SECURED T:LAN
Warn User &
Allow if ACKed
Asks User whether or not to proceed
The change in behaviour is in scenario C. If the T:LAN has been loaded with BN7589 (or newer), then the user will be warned regarding the step he is about to perform but the operation will be allowed to proceed if the user ACKed the request.
NOTE: BN7589 and up contain a check to prevent restoring the OPL group settings and OPL Server Records if the unit is not in SECURE MODE. Older versions do not have that check and might cut off the user from the unit if restoring a SECURE TCF to a STANDARD MODE T:LAN.