YOKOGAWA WT110 User Manual page 117

Table of RS-232-C Standard Signals and their JIS and CCITT Abbreviations
IM 253401-01E
Abbreviations
Pin No.
RS-232-C
(25-pin connector)
1 AA(GND)
AB(GND)
7
BA(TXD)
2
BB(RXD)
3
CA(RTS)
4
CB(CTS)
5
CC(DSR)
6
CD(DTR)
20
CE(RI)
22
CF(DCD)
8
CG(-)
21
CH/CI(-)
23
DA/DB(TXC)
24/15
DD(RXC)
17
SBA(-)
14
SBB(-)
16
SCA(-)
19
SCB(-)
13
SCF(-)
12
Circles indicate pins used for the RS-232-C interface of this instrument
12.2 Connecting the Interface Cable
JIS
CCITT
101 FG Protective ground
102 SG Signal ground
103 SD Transmitted data
104 RD Received data
105 RS Request to send
106 CS Clear to send
107 DR Data set ready
108/2 ER Data terminal ready
125 CI Ring indicator
109 CD Data channel received carrier detect
110 SQD Data signal quality detect
111 SRS Data signal rate select
113/114 ST1/ST2 Transmitter signal element timing
115 RT Receiver signal element timing
118 BSD Secondary transmitted data
119 BRD Secondary received data
120 BRS Secondary request to send
121 BCS Secondary clear to send
122 BCD Secondary received carrier detect
Name
12-3
12