NJR-T04HD / NJR-R04HD User’s Guide
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9.1 Control over RS-232C communication
The NJR-T04HD / NJR-R04HD can be controlled over RS-232C communication.
You can control the NJR-T04HD or NJR-R04HD and get its status by connecting a control unit, such as PCs,
to the NJR-T04HD or NJR-R04HD over an RS-232C cable.
The RS-232C port has two modes: one is controlling the NJR-T04HD or NJR-R04HD and another is
communicating between peripheral devices connected to the NJR-T04HD or NJR-R04HD.
Turn the DIP switch No.1 to ON to control the NJR-T04HD or NJR-R04HD
For details of communication commands, refer to the Command Guide for the NJR-T04HD / NJR-R04HD.
【
See: 8.4 Setting
PC for control
(Communication
command)
RS-232C cable
DIP switch (No.1)
Setting internal connection selection of RS-232C port
OFF
ON
NJR-T04HD and NJR-R04HD are connected.
Connected to CPU of NJR-T04HD and can set NJR-T04HD.
Or
Connected to CPU of NJR-R04HD and can set NJR-R04HD.
(Default
：
OFF)
：
：
NJR-T04HD (Transmitter) or NJR-R04HD (Receiver)
[Fig. 9.2] Control over communication command
Note:
Settings of NJR-R04HD or NJR-T04HD cannot be set from NJR-T04HD or NJR-R04HD, respectively.
