Jetway Computer ADMPEOX4CA - Manual (Page 59)

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1-2 Close:
JP1 2
Pin 1
3-4 Close:
5-6 Close:
MPEOX4CA support quad series port ( port0~3).
※port 3 support multi function with RS232/485/422。
When RS485/422 , must change Hardware configuration to RS485
and Buffer enable to “ active high ”。
Step1:
Find the port3 device on the device management
1-2 short RS232
3-4 short RS485
5-6 short RS422