i dont undersand BCSU switchover term.
do you mean i make BCSU switchover in all BCSU of this BSC or just make a BCSU switchover on BCSU that carry EDAP and Gprs Of these sites(all EDAP and GPRS of these 3 sites is on BCSU=6).
do you mean i make BCSU=6 in SP-EX state and then BCSU switchover can happen.
my BSC software is S12.
i will tell you tommorrow about BTS version.