Hioki RM3542-50, Instruction Manual

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9.3 Connecting
111
9
Connect the RS-232C cable to the RS-232C connector.
9.3 Connecting
Always turn both devices OFF when connecting and disconnecting an interface con-
nector. Otherwise, an electric shock accident may occur.
• To avoid damage to the instrument, do not short-circuit the terminal and do not input volt-
age to the terminal.
• If the connectors are not securely mated, the operation may fail to meet the specifications,
and could result in damage.
Using the RS-232C Interface
Pin
Number
Signal Name
Signal Remarks
Code Addr. EIA JIS
1 DCD CF CD Carrier Detect Not used
2 Receive Data BB RD GND
3 Transmit Data BA SD RxD
4 DTR CD ER Data Terminal Ready Active (ON) level is +5 to +9 V (constant)
5
Signal or Common
Ground
AB SG Signal Ground
6 DSR CC DR Data Set Ready Not used
7 Request to Send CA RS CTS Active (ON) level is +5 to +9 V (constant)
8 Clear to Send CB CS Clear to Send Not used
9 RI CE CI Ring Indicator Not used
Male 9-pin D-sub
#4-40 attaching screws
To connect the instrument to a controller (DTE), use a crossover cable com-
patible with the connectors on both the instrument and the controller.
The I/O connector is in the DTE (Data Terminal Equipment) configuration.
This instrument uses pins 2, 3, and 5 only. The other pins are not used.
6 7 8 9
1 2 3 4 5
Rear Panel