38
7-3. Configure RS-232C interface
Configuration step
1. Press the Shift key, the 2ND (Menu)
key, the Right key twice. The I/O
configuration menu appears.
2.
Press the Down key, then the Right
key. The RS-232C selection display
appears.
3.
Press the Down key and down or up
keys repeatedly to select the baud
rate.
115200
57600
38400
19200
9600
4.
Press the ENTER key to confirm
RS-232C and baud rate selection.
5. Press the Exit key to go back to the
default display.
Can’t communicate when menu is
displayed.
6.
Connect the RS-232C cable to the rear
panel terminal.
RS-232C pin assignment
Pin 2: RxD
Pin 3: TxD
Pin 5: GND
Pin 1, 4, 6 ~ 9: No Connection
5 4 3 2 1
9 8 7 6
PC
– Connection
Null-modem connection, in which transmit (TxD) and receive (RxD) lines are
cross-linked, is required.
DMM
PC
TxD
RxD
GND
Pin2
Pin3
Pin5
TxD
RxD
GND
Pin2
Pin3
Pin5