Metrohm 781 pH/Ion Meter: Operation via RS-232 - Manual (Page 26)

3.2 Handshake
24
780/781 pH/Ion Meter - Operation via RS232
Hardware-Handshake, HWs
pH/Ion Meter as Receiver :
pH/Ion Meter as Sender:
The data flow can be interrupted by deactivating the CTS line.
pH/Ion Meter external device
pH/Ion Meter external device
RTS
CTS
TxD
RTS
CTS
TxD
Time
L
F
DTR
RxD
DTR
RxD
L
F
Time