GT SYSTEM | How to set up the link - All-in-one type entrance station

A GT system includes these main components: GT-VB, GT-DB, GT-SW, GT-NSB, GT-10K, GT-DMB-N, GT-1C7W, GT-1C7, GT-2C, GT-1M3, GT-1A, GT-1D, GT-MKB-M, GT-BC, GT-VBC, GT-4Z, GT-BCXB-N, GT-VBX