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HDC-TH100-D / HDC-RH100-D User’s Guide
23
7 Specifications
7.1 RS-232C pin assignment
Pin assignment of the RS-232C connector is as follows.
Use a cross cable or a straight cable depending on device to be connected.
D-sub 9 pin, male
RS-232C connector
1
5
6
9
[Fig. 7.1] RS-232C pin assignment
■
Connecting HDC-H100-D to PC
Use a cross cable to connect the HDC-H100-D to a PC.
RD
TD
N.C.
N.C.
N.C.
N.C.
GND
RTS
CTS
Pin #
1
3
2
4
6
5
7
9
8
Signal
RD
TD
N.C.
N.C.
N.C.
N.C.
GND
RTS
CTS
Signal
(
Receiving data
)
(
Sending data
)
(
Ground
)
(
Sending request
)
(
Receiving request
)
HDC-H100-D
PC
(
Not used
)
(
Not used
)
(
Not used
)
(
Not used
)
N.C.
:
No Connection
[Fig. 7.2] RS-232C pin assignment (connecting to PC)