This describes how to add BSC boards or configure the attributes of the BSC boards. When the BM and the TC are configured in the same subrack, the GDPUX, GEIUA/GOIUA, GEIUB/GOIUB, GEHUB, GFGUB/ GOGUB, GXPUM, GXPUT, GGCU, GTNU, and GSCU must be configured.