MSD-72 series Command Guide
6
2 Specification and Setup of communication
2.1 RS-232C communication
2.1.1 RS-232C connector specification
The MSD-72 series products include connectors for D-sub9 pin or 3-pin terminal block. Use the appropriate
cable.
[Table 2.1] D-sub9 pin and 3-pin terminal block
Model
The number
of connectors
Connector type
MSD-7201UHD
2
D-sub9 pin (Male)
MSD-7202UHD
MSD-7203UHD
MSD-7204UHD
MSD-7201UHDTB
2
3-pin terminal block
MSD-7202UHDTB
MSD-7203UHDTB
MSD-7204UHDTB
■
Connectors for D-sub9 pin:
Use a cross cable to connect the MSD to a PC.
D-sub 9-pin・male
1
5
RS-232C connector
6
9
RxD
TxD
N.C.
DTR
DSR
N.C.
GND
RTS
CTS
Pin #
1
3
2
4
6
5
7
9
8
Signal
(Receiving data)
(Sending data)
(Ground)
(Sending request)
(Receiving request)
(Not used)
(Not used)
(Not used)
(Not used)
[Figure 2.1] D-sub9 pin assignment