To set up the interfaces
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6.5.18 SB-Safety Voice (option)
To use the SB-Safety Voice service, the SBU must have software version 4.00 or higher.
Note that the POTS#1 configuration cannot be changed and the POTS#2 and ISDN are
forcibly disabled.
When using the SBU/ACARS interface for SBB Safety Services (e.g. CPDLC
traffic) and/or SB-Safety Voice is enabled, note that additional user traffic and
interface connections to the SBU shall be addressed in the Security Safety
Assessment (SSA) of the particular aircraft. The SBU does not comply to the
ARINC-781 attachment 8, Security Considerations. There is no segregation
between the user interfaces. All interfaces of the SBU shall be considered as
'Aircraft Control Domain'.
The software version is shown on the DASHBOARD.
Figure 6-39: Web interface, DASHBOARD software version 4.00
To set-up SB-Safety Voice, do as follows:
1. Check that the SBUhas software version 4.00.
2. Check that the option for Built-in ACARS/SB-Safety Voice is enabled.
Figure 6-40: Web interface, SETTINGS, Flex key, software version 4.00
3. If it is not in the list and enabled, request the flex key and see Enable system options
with FLEX keys on page 6-53.
Important
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