在CPU的一个槽内安装一块合适型号的通信板，CPU就可以增加RS232C，RS422，或RS485端口
C200H-ATT83
C200HE-CPU42-ZE
C200HW-ASCST-CV2
C200H-TS102
C200H-ASC31
C200HG-CPU43-ZE
C200H-MR833
C200H-CN521
C200H-BC051-V2
C200HX-CPU64-E
C200H-MD501
C200H-ASC11
C200H-ID219
C200HG-CPU43-E
C200H-IP006
C200H-BP002
C200H-PAR-PTC219
C200HW-DRM21-V1
C200HW-CLK21
C200H-CT021
C200H-ID001
C200H-CT001
C200HW-ATT52
C200HW-SLK13
C200HS-CPU33-E
C200HW-ATT32
C200HW-COM04-EV1
C200H-DSC01
C200HW-PD024
C200HW-CORT21-K
C200HW-SLK24
C200HW-CE012
C200H-MC221
C200H-ME832
C200H-MAD01
C200HX-CPU44-ZE
C200H-ASC21
C200HW-COM01
C200HS-CPU21-E
C200H-KS01I
C200H-ATT33
C200HW-BC101-V1
C200H-CN211
C200HS-CPU01-E
C200H-CE001
C200H-ME432
C200H-RT201-C
C200HW-ATTA3
C200H-OD21A
C200H-ATTA1