NJR-TW01UHD/NJR-RW01UHD Command Guide
8
3 Communication configuration and Specifications
3.1 RS-232C communication
The NJR-TW01UHD (RS-232C model) and NJR-RW01UHD support command transmission (pass through)
via RS-232C communication.
3.1.1 RS-232C connector specification
RS-232C pin assignments:
5
1
9
6
Male D-Sub (9 pin)
RD
TD
N.C.
N.C.
N.C.
N.C.
GND
RTS
CTS
Pin No.
1
3
2
4
6
5
7
9
8
Signal name
RD
TD
N.C.
N.C.
N.C.
N.C.
GND
RTS
CTS
Signal name
(Receive Data)
(Transmit Data)
(Ground)
(Request to Send)
(Clear to Send)
NJR-W01UHD
Cross cable
Control device
(Not Connected)*
(Not Connected)*
(Not Connected)*
(Not Connected)*
*Not used
[Fig. 3.1] RS-232C connector
3.1.2 RS-232C communication specification
[Table 3.1] RS-232C specification
Compliant standard
RS-232C
Baud rate
9600 [bps]
Data bit length
8 [bit]
Parity check
None
Stop bit
1 [bit]
X parameter
Invalid
Flow control
None
Communication method
Full duplex
