SW-D7000U, 9CH. COLOR VIDEO MULTIPLEXER76 JVC PROFESSIONAL, IMAGING PRODUCTS" All menu programming" All front panel keys" Alarm history read" Alarm Input Status readRS-232 baud rates are selectable from 1200 to 9600. The factory default is 9600.To set the baud rate, select the RS-232 section of the COMMUNICATIONS sub-menu.Refer to the SW-D7000U's RS-232 Remote Control Protocol data sheets in the rear of this manualfor more details.The figure shows the socket on the multiplexer as seen from the back of the unit. The numbers aremarked on the connector itself, although they may difficult to read.PIN NUMBERS FUNCTIONPin 2 Receive Data (RX)Pin 3 Transmit Data (TX)Pin 5 Ground (GRD)RS485The SW-D7000U can have up to 15 optional remote keyboards controlling it through the RS-485network. In addition, a single remote keyboard can control up to 15 different SW-D7000U units, (ora mixture of keyboards and multiplexers totaling 9 devices), installed in a multi-drop configuration.The SW-D7000U unit address on the RS-485 network is programmable in the RS-485 section of theCOMMUNICATIONS submenu. Here you will set the address of the multiplexer on the network 1-15.Using RS-485 correctly wired, the total length of all connections on one configuration of multiple unitsand multiple keyboards can be up to 3,200 feet (1,000 meters) from end to end. A remote keyboardcan thus be up to 1,000 meters from the actual unit without the need for additional transmissionequipment.RJ45 Socket Looking from the rear of the multiplexerThe connection details are the following:159 61 2 3 4 5 6 7 8