Moxa Technologies A51, A60 manual RS-422/RS-485 Pinouts

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Installation •	• Chapter 2

RxD indicator stands for data transmitting from RS-422/RS-485 to RS-232. It shows red when connected and no data received. It shows orange when connected and receiving data (In half- duplex mode, it shows red when line is not connected due to the characteristics of ICs for RS-485).

RTS indicator is for RS-232 RTS signal. It shows red when connected and RTS signal turned on. It shows green when connected and RTS signal turned off.

PWR indicator is red when power is on and not lighted when power is off or not connected.

2.4 RS-422/RS-485 Pinouts

RS-422/RS-485 interface with RJ-45 Jack connector or Terminal Block Connector is depicted as follows.

RJ-45 Connector

Terminal Block Connector

1 2 3 4 5 6 7 8 9 10

1 2 3 4 5 6 7

9

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Contents A50/A51/A60 A50/A51 A60 Copyright Notice Moxa Internet Services Table of Contents Part II A60 RS-232 Surge Protection Page Overview IntroductionIntroduction Features and SpecificationsSpecifications A50/A51 with Mounting Kit Package Check List Introduction Switch Function Description Installation ProcedureSwitch settings table of SW1 and SW2 is as follows LED IndicatorsRS-422/RS-485 Pinouts A50/A51 RJ-45 Jack Terminal Block Connector Pinouts Signals Chapter Operation Point-to-point Wire Full DuplexWire Half Duplex Multidrop SW1 DTE Simplex/Transmit, Receive A50/A51A50/A51 Self Test Operation Appendix a RS-232 Pinouts & Cable Wiring Appendix a RS-232 Pinouts and Cable Wiring Appendix a RJ-45 Connector DB-25 Female P e n dxi B Appendix B Impedance Matching and Termination Resistors Appendix C Troubleshooting Appendix C Troubleshooting Chapter Introduction Features A60 with Mounting Kit ~32~ Installation TxD indicator signal from local port RxD indicator signal from remote port ~36~ Ppendix a Appendix a ∙ RS-232 Pinouts and Cable Wiring ∙ ~40~ Ppendix B