Amplicon USB232U, Instruction Manual

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USB232U/485Ui
LIST OF FIGURES
Figure 2.1 Jumper Settings For Full Duplex Operation........................................................................7
Figure 2.2 Jumper settings for Half Duplex Operation with Echo.........................................................7
Figure 2.3 Jumper settings for Half Duplex Operation without Echo ....................................................7
Figure 2.4 Jumper Settings for Termination Resistor Selection ...........................................................8
Figure 2.5 Factory Jumper Setting Summary......................................................................................8
Figure 3.1 USB Connector Termination Assignment .........................................................................10
Figure 3.2 RS232 9-way Port Pin Designations.................................................................................11
Figure 3.3 RS422/485 Amplicon Standard Port Pin Designations......................................................11
Figure 4.1 Communications Standards Summary .............................................................................16
Figure 4.2 RS422 Connected in Broadcast Mode..............................................................................17
Figure 4.3 RS485 Connected in Multi-Drop, Half Duplex Mode .........................................................17
Figure 4.4 RS232 Loop-Back Test Connections ................................................................................20
Figure 4.5 RS422/485 Loop-Back Test Connections .........................................................................20