GP3500(COM1) QJ71C24N-R2
3 SD ----------------------------------------- 2 RD
2 RD ------------------------------------------ 3 SD
7 RS ------------------------------------------ 1 CD
8 CS ------------------------------------------ 4 ER
5 SG ------------------------------------------ 5 SG
1 CD ------------------------------------------ 7 RS
4 ER ------------------------------------------ 8 CS 和 6DR短接