永宏通讯扩充板FBs-CB55
通讯扩充板FBs-CBE乙太(Ethernet)网络界面之扩充通讯模组FBs-CB21埠RS232(Port2)之扩充通讯板FBs-CB222埠RS232(Port1+Port2)之扩充通讯板FBs-CB51埠RS485(Port2)之扩充通讯板FBs-CB552埠RS485(Port1+Port2)之扩充通讯板FBs-CB251埠RS232(Port1)+1埠RS485(Port2)之扩充通讯板)
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