Contents
Overview.......................................................................................................................................................3
Features....................................................................................................................................................3
Specifications............................................................................................................................................3
Y‐Cables.........................................................................................................................................................4
SignalSpecifications......................................................................................................................................5
SingleEndedSignals(RS‐232/V.28)..........................................................................................................5
DifferentialSignals(RS‐422/RS‐485/V.11)................................................................................................5
ClockPolarity............................................................................................................................................5
SerialInterfaceSelection..............................................................................................................................7
DifferentialInputTermination......................................................................................................................8
DifferentialFail‐SafeBiasing.........................................................................................................................9
SerialConnectorPinAssignments..............................................................................................................10
RS‐232.....................................................................................................................................................11
V.35.........................................................................................................................................................12
RS‐422/RS‐449/RS‐485/RS‐530...............................................................................................................13
X.21.........................................................................................................................................................15
GeneralPurposeI/OSignals.......................................................................................................................16
DCGPIOSpecifications............................................................................................................................16