Hioki RM3542 - Page 106

9.3 Connecting
100
Connecting a controller with a 9-pin D-sub male port
Use a crossover cable with female 9-pin D-sub connectors.
Connecting a controller with a 25-pin D-sub female port
Use a crossover cable with a female 9-pin D-sub and a male 25-pin D-sub connector.
As the figure shows, RTS and CTS pins are shorted together and crossed to DCD in the other connector
.
Connect the GP-IB cable to the GP-IB connector.
Recommended cable: HIOKI Model 9637 RS-232C Cable (1.8 m)
Crossover Wiring
Female 9-pin D-sub
RM3542-end
Female 9-pin D-sub
PC/AT-end
Pin No. Pin No.
DCD 1 1 DCD
RxD 2 2 RxD
TxD 3 3 TxD
DTR 4 4 DTR
GND 5 5 GND
DSR 6 6 DSR
RTS 7 7 RTS
CTS 8 8 CTS
99
Recommended cable: HIOKI Model 9638 RS-232C Cable
Crossover Wiring
Female 9-pin D-sub
RM3542-end
Male 25-pin D-sub
PC-end
Pin No. Pin No.
DCD 1
RxD 2 2 TxD
TxD 3 3 RxD
DTR 4 4 RTS
GND 5 5 CTS
DSR 6 6 DSR
RTS 7 7 GND
CTS 8 8 DCD
920DTR
Note that the combination of a dual male
25-pin D-sub cable and a 9- to 25-pin
adapter cannot be used.
Using the GP-IB Interface (RM3542-01 only)
Recommended cable:
HIOKI Model 9151-02 GP-IB Connector
Cable (2 m)
Rear Panel