ETU-01(U) User Manual - CTC Union Technologies Co.,Ltd.

Appendix C. Interface ConnectionsC.5 RS-530 Data Module ConnectorWhen the ETU-01 is ordered with an RS-530 interface, the physical interface is a25-pin female D-type connector wired in accordance with Table C.5.SIGNALFUNCTIONProtectiveGroundSignalGroundTransmittedDataReceivedDataRequest toSentClear toSentData SetReadyDataTerminalReadyData CarrierDetectExternalTransmitclockTransmitClockReceiveClockRemoteLoopbackLocalLoopbackTestIndicatorPIN CIRCUIT DIRECTION DESCRIPTION1 Frame Chassis ground.May be isolated from signal ground.7 AB Common signal ground.214316419513622202381024111512179BA(A)BA(B)BB(A)BB(B)CA(A)CA(B)CB(A)CB(B)CC(A)CC(B)CD(A)CD(B)CF(A)CF(B)DA(A)DA(B)DB(A)DB(B)DD(A)DD(B)To ETU-01From ETU-01To ETU-01From ETU-01From ETU-01To ETU-01From ETU-01To ETU-01From ETU-01From ETU-0121 RL To ETU-0118 LL To ETU-01Serial digital data from DTE.Serial digital data at the output of theETU-01 receiver.A ON signal to the ETU-01 when datatransmission is desired.Constantly ON.Constantly ON,Except during test loops.DTR not used, used for a receivedserial data rate clock input from theDTE.Constantly ON, except when a loss ofthe received carrier signal is detected.A transmitted data rate clock inputfrom the data source.A transmitted data rate clock for useby an external data source.A received data rate clock for use byan external data source.When on, commands ETU-01 intoremote loopback, can disable bydipsw.When on, commands ETU-01 into localloopback, can disable by dipsw.25 TM From ETU-01 ON during any test modeTable C.5 RS-530 data module connector pin allocation42