Differences Between The MMU2-16LE(ip) And The MMU-16LE(ip)
What is the difference between the MMU2-16LE(ip) and the MMU-16LE(ip)?
The units are functionally the same except for the Flashing Yellow Arrow (FYA) operation. Only the MMU2-16LE(ip) complies with the new NEMA TS-2 Amendment #4-2012 Flashing Yellow Arrow standard. The MMU-16LE(ip) will be continue to be provided for backward interchangeability with existing MMU-16LE(ip) installations where legacy FYA or FYAC operation is used.
Do I need to update my version of the ECcom communication software for the MMU2-16LE(ip)?
Yes. Version 3.8 or greater is required for use with the MMU2-16LE(ip).
When upgrading a Flashing Yellow Arrow (FYA) installation from the MMU-16LE(ip) to the MMU2-16LE(ip), what FYA modes should be used for backward compatibility with cabinet phasing?
MMU-16LE(ip) “FYA” Mode is equivalent to the MMU2-16LE(ip) “Mode B”.
MMU-16LE(ip) “FYAC Compact” Mode is equivalent to the MMU2-16LE(ip) “Mode F”.
Can the MMU-16LE(ip) be updated with the new MMU2-16LE(ip) firmware?
Yes. The MMU2-16LE(ip) firmware can be reflashed into the MMU-16LE(ip).
The EDI factory can perform this update via the Monitor Recertification Process. Please include a written request for this update option along with the unit.
The EDI factory can also perform this update via the standard Repair process and subject to charge based on the EDI Warranty statement.
If an MMU-16LE(ip) is returned to EDI for Repair or Monitor Recertification, will it automatically be updated to the latest MMU2-16LE(ip) firmware?
Yes. The MMU-16LE(ip) will be changed to the MMU2-16LE(ip) firmware.
Can a user re-flash the MMU-16LE(ip) with MMU2-16LE(ip) firmware?
Yes. If the MMU-16LE(ip) firmware is REV xx64 or higher, please consult the factory for reflash instructions and required firmware files. If the revision is prior to REV xx64, it must be returned to the factory for the update.