It is not MUED it is just coupled with panto down.
It was kept on pf2 of SC.
Initially lgd wap4 was coupled, both lP and alp were ready to take charge amd they already entered into loco and did checkings and all, later bsl wap4 was coupled and lp and alp has shutdown that lgd wap4 and entered into bsl wap4.
When I...
more... spoke with LP, he said BSL wap4 has to go idle from Gdr to mas for some operation reasons.