This adapater allows you to use yourTrio-M1 (or M1CD1)  as a Trio-M2 in your SegaM2-setup.
This adapter expands the versaility of your RGC Trio. 
Perfect for owners of the Trio M1 or M1CD1 who also own a Genesis M2 console.
 
Tip #1:  This adapter can be used to convert any Genesis M1 adapter to a Genesis M2 Adapter.
Very useful in many situations. Other convertable adapers are Jaguar, PC-Engine, Master System, TG16 and more can be converted to a Genesis M2.
 
Tip #2. This adapter can also be used to power a Genesis M2, Nomad, or GameGear,