Which matrix has AEC? 21 February 2024 19:06 Updated Only the MIMO4040CDN matrix, formerly called MIMO4040DN Conference. Related articles How to configure MPAGE1/MPAGE1r to use with MIMO? What is the difference between a MIMO4040CDN and a MIMO7272DN? What is the difference between a MIMO4040CDN and a MIMO7272DN? What’s the RS-232 port for? How do I connect to an EclerNet device using EclerNet Manager software?