NJR-T04HD / NJR-R04HD User’s Guide339.1 Control over RS-232C communicationThe 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 iscommunicating 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-R04HDFor details of communication commands, refer to the Command Guide for the NJR-T04HD / NJR-R04HD.【See: 8.4 Setting】PC for control(Communicationcommand)RS-232C cableDIP switch (No.1)Setting internal connection selection of RS-232C portOFFONNJR-T04HD and NJR-R04HD are connected.Connected to CPU of NJR-T04HD and can set NJR-T04HD.OrConnected 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 commandNote:Settings of NJR-R04HD or NJR-T04HD cannot be set from NJR-T04HD or NJR-R04HD, respectively.
