Black-box IC107A-R3 User Manual Page 1

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9CHAPTER 3: Configuration5. Normally, the Converter’s frame ground is isolated from its RS-232 signalground. But if you want to connect frame ground t

10RS-232↔RS-422/485 CONVERTER (DATA ONLY)4. InstallationTo install your RS-232↔RS-422/485 Converter (Data Only) system, take thesesteps, making sure t

11CHAPTER 5: Operation5. Operation5.1 RS-232 CircuitryThe RS-232 side of the RS-232↔RS-422/485 Converter (Data Only) is composed ofthe RS-232 drivers

12RS-232↔RS-422/485 CONVERTER (DATA ONLY)Figure 5-1. Block diagram of Converter functions in DCE mode.Figure 5-2. Block diagram of Converter functions

13CHAPTER 5: Operation5.2 RS-422/485 CircuitryThe RS-422/485 side of the Converter is made up of the driver, receiver, and line-termination networks.

14RS-232↔RS-422/485 CONVERTER (DATA ONLY)6. Troubleshooting6.1 Calling Black BoxIf you determine that your RS-232↔RS-422/485 Converter (Data Only) ism

15APPENDIX: PinoutsAppendix: PinoutsTable A-1. Pinning of the RS-232 connector (DB25 female).Pin Number and Signal FunctionPin1 — Frame Ground Connect

16RS-232↔RS-422/485 CONVERTER (DATA ONLY)Table A-2. Pinning of the RS-422/485 connector (4-position terminal block).Pin/Signal FunctionTXA and TXB Dat

NOTES

NOTES

1FCC/IC RFI STATEMENTS, DECLARATION OF CONFORMITYFEDERAL COMMUNICATIONS COMMISSION AND INDUSTRY CANADARADIO-FREQUENCY INTERFERENCE STATEMENTSThis equi

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2RS-232↔RS-422/485 CONVERTER (DATA ONLY)NORMAS OFICIALES MEXICANAS (NOM)ELECTRICAL SAFETY STATEMENTINSTRUCCIONES DE SEGURIDAD1. Todas las instruccione

3NOM STATEMENT, TRADEMARKS12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarizacióndel equipo no sea eliminada.13. Los cable

4RS-232↔RS-422/485 CONVERTER (DATA ONLY)ContentsChapter Page1. Specifications ...

5CHAPTER 1: Specifications1. SpecificationsCompliance: CE; FCC Part 15 Subpart B Class A, IC Class/classe AInterfaces: EIA/TIA RS-232, DTE or DCE (use

6RS-232↔RS-422/485 CONVERTER (DATA ONLY)TemperatureTolerance: Operating: 32 to 122˚F (0 to 50˚C)Storage: –4 to +158˚F (–20 to +70˚C)HumidityTolerance:

7CHAPTER 2: Introduction2. IntroductionThe RS-232↔RS-422/485 Converter (Data Only) allows your RS-232 andRS-422/485 equipment to communicate with each

8RS-232↔RS-422/485 CONVERTER (DATA ONLY)3. ConfigurationHere’s how to configure the RS-232↔RS-422/485 Converter (Data Only) for yourapplication (refer