User Manual Owner's manual
GDM-8200A Series User Manual
98
6. Press the Exit key to go back
to the default display.
7. 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 – GDM
RS-232C
Connection
Null-modem connection, in which transmit (TxD) and
receive (RxD) lines are cross-linked, is required.
GDM PC
TxD
RxD
GND
Pin2
Pin3
Pin5
TxD
RxD
GND
Pin2
Pin3
Pin5