Samsung SSA-R2010 User Manual

Also see for SSA-R2010: Operation guide

Englis_ English _ 11INSTALLATION AND EXTERNAL CONNECTIONinstallation and external connectionINSTALLING THE WALL MOUNTUse 2 screws to fix the Wall Mount on an appropriate point.Drill a hole on the center of the Wall Mount so that the cables are arranged through it.Take out the cables through the center hole.Connect the cables to the 4 connectors as appropriate, and use one screw to fix the Wall Mount with theproduct.TERMINATION RESISTORA resistor is inserted for line’s impedance matching to prevent distortion and reduction in RS-422 or RS-485 long distancedata communications, which is referred to as termination resistor.Note that termination resistors of lower than 90 are not allowed, neither more than one termination resistor is acceptedfor the communications system.1.2.3.4.3-Ø4.564.048.060.085.0127.0"#ABRS-485/RS-232ConverterTermination Resistors120Ω 120RS-485 RS-485