
8.2 Connect and be sure to tighten the screws on the connector
141
8
Chapter 8
Contro
lling the
Instru
ment From
a Comp
uter
RS-232C connector
8.2 Connect and be sure to tighten
the screws on the connector
• Always turn both devices OFF when connecting and disconnecting an
interface connector. Otherwise, an electric shock accident may occur.
• To avoid damage to the instrument, do not short-circuit the terminal and
do not input voltage to the terminal.
Failure to fasten the connectors properly may result is sub-specification perfor-
mance or damage to the equipment.
1 2 3 4 5
Connect the RS-232C cable.
To connect the HiTESTER to the controller
(DTE), use a crossing cable compatible with the
connectors on both the HiTESTER and the con-
troller.
6 7 8 9
D-sub 9Pin male connector
with M2.6 set screws
The I/O connector is designed for the terminal (DTE).
The HiTESTER uses pins Nos. 2, 3, and 5. All other pins are not used.
Pin
No.
Functions
CCITT
EIA
JIS
Signal
Name
Circuit
No.
Code
Addr.
Code
Addr.
1
Not used
2
Receive Data
Receive Data
104
BB
RD
RxD
3
Send Data
Send Data
103
BA
SD
TxD
4
Data Terminal
Ready
Data Terminal
Ready
108/2
CD
ER
DTR
5
Signal Ground
Signal Ground
102
AB
SG
GND
6
Not used
7
Request to
Send
Request to Send
105
CA
RS
RTS
8
Clear to Send
Clear to Send
106
CB
CS
CTS
9
Not used
Summary of Contents for ST5540
Page 2: ......
Page 6: ...Contents iv Index i ...
Page 29: ...23 2 Chapter 2 Instrument Labels and Screens Instrument Labels and Screens Chapter 2 ...
Page 80: ...4 8 Changing the Measurement Method Auto Manual 74 ...
Page 121: ...115 8 9 7 Chapter 7 Instrument System Settings Instrument System Settings Chapter 7 ...
Page 144: ...7 14 Setting the Backlight 138 ...
Page 284: ...10 14 Measurement Networks 278 ...
Page 290: ...11 4 Instrument Disposal 284 ...
Page 320: ...Appendix4 External Dimensions A30 ...
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