Vortex Sound Research

SO i have a microkorg. minilogue, and drum brute impact beat step pro and a midi solutions box. i have the midi adapter din connected to the out of the beat step then a midi cable connected from the bSP to the in of the midi thru box and the micokorg/minilogue/ drumbrute connected to the midi thu box connected to the midi in of the devices and im getting no signal from any of my devices the the BSP.. my goal would be to use the beat step to sequence the 3 devices i have thru midi with my midi thru box .... any help plzzz ))))))))))