... technology and automatic baud rate adaptive technology are both adopted in this product. Furthermore it has the characteristics of: plug-and ... ,8; stop bit: 1,1.5,2, check in bits: singular, dual, signs, spaces, no check 9, has a function of transient voltage ... meters, one terminal resistance of 120 Ohms should be connected in parallel between RXD + / D + terminal and RXD-/D-, and another ...