Rs-232C Connection - Hioki 8420-51 Instruction Manual

6
1.2 RS-232C Communications

1.2.1 RS-232C Connection

The RS-232C interface is provided as a standard feature in the
instruments to support remote control of the instrument, as well as
data transfer to and from a PC. The instrument and the 9612 RS-
232C CABLE are connected as shown in the illustration. The 9612
cable has cross-connected wiring.
Memory HiLogger
Circuit Desig-
Pin No.
2 Receive Data Receive Data
3 Send Data
Signal ground or
5 Signal Ground
common return
7 Request to send
8 Clear to Send Clear to Send
RS-232C
9612 RS-232C CABLE
(cross)
CCITT
nation
104
Send Data 103
102
Request to
105
Send
106
PC
EIA JIS
Common
Symbol Symbol
BB RD RxD
BA SD TxD
AB SG GND
CA RS RTS
CB CS CTS