User`s manual

AX2200/AX2300 Instruction Manual Chapter 4 Serial Communications
CM2-AX2000-2001 (Rev.4, 4/2014) 4-13
“RS-485 +” = “B” = “TxD+/RxD+” = “Non-Inverting pin”
“RS-485 GND” = “GND” = “G” = “SC” = “Reference”