NJR-TW01UHD/NJR-RW01UHD User Guide
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7.2.4 Connecting RS-232C cable
Pin assignment of the RS-232C connector is as follows.
Use a cross cable or a straight cable depending on device to be connected.
5
1
9
6
Male D-Sub (9 pin)
[Fig. 7.7] Specification of RS-232C connector
■
Connecting NJR-W01UHD to PC
Use a cross cable to connect the NJR-W01UHD 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
(Receive Data)
(Transmit Data)
(Ground)
(Request to Send)
(Clear to Send)
NJR-W01UHD
PC
(Not Connected)*
(Not Connected)*
(Not Connected)*
(Not Connected)*
*Not used
[Fig. 7.8] RS-232C pin assignment (connecting to PC)
■
Connecting NJR-W01UHD to IDK’s products
Use a cross cable to connect the NJR-W01UHD to an IDK’s product.
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
(Receive Data)
(Transmit Data)
(Ground)
(Request to Send)
(Clear to Send)
NJR-W01UHD
IDK
’
s products
(Not Connected)*
(Not Connected)*
(Not Connected)*
(Not Connected)*
*Not used
[Fig. 7.9] RS-232C pin assignment (connecting to IDK’s product)