HMS Networks Anybus Communicator ABC3028 User Manual page 112

Maintenance
11.3.2 Firmware and Configuration Compatibility
Compatibility after firmware upgrade
Current configuration is still compatible after upgrading the firmware.
Compatibility after firmware downgrade
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Anybus Communicator User Manual
Compatibility after a firmware downgrade can not be guaranteed.
The current configuration may use features not available in the older firmware version.
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SCM-1202-162 1.1 en-US