7916. Standard Input & Output Interface16-1. RS-232C And External Contact InputD-Sub 25 pin numbersD-Sub 25 pin assignmentsPin No. Signal name Interface type Direction Description1 FG - Frame ground2 RXD RS-232C Input Receive data3 TXD RS-232C Output Transmit data4 RTS RS-232C Input Ready to send5 CTS RS-232C Output Clear to send6 DSR RS-232C Output Data set ready7 SG RS-232C / external contactinput - Signal ground18 PRINT External contact input Input Same as the PRINT key19 RE-ZERO External contact input Input Same as the RE-ZERO keyOthers - - - No connectionRS-232CThe balance is a DCE device. Connect the balance to a personal computer (DTE) using astraight through cable.Transmission system : EIA RS-232CTransmission form : Asynchronous, bi-directional, half duplexTransmission rate : 10 times/second or 5 times/second (same as data refresh rate)Data format : Baud rate : 600, 1200, 2400, 4800, 9600, 19200bpsData bits : 7 or 8 bitsParity : Even, Odd (Data bits 7 bits)None (Data bits 8 bits)Stop bit : 1 bit(When sending, 2 bits; receiving, 1 bit.A personal computer will function with either setting.)Code : ASCIIM2.6ISO metric screw threadStart bitData bitsParity bitStop bit-5V to -15V+5V to +15VRS-232C
