Black Box DB9F/RJ-11 Instrukcja Użytkownika

MARCH 1998IC620A-F IC623A-MIC620A-M IC624A-FIC623A-F IC624A-MRS-232/485 ConverterCUSTOMER SUPPORT INFORMATIONOrder toll-free in the U.S. 24 hours, 7 A

9CHAPTER 2: IntroductionSix models are available:• DB9F/Term (IC620A-F)• DB9M/Term (IC620A-M)• DB9F/RJ-11 (IC623A-F)• DB9M/RJ-11 (IC623A-M)• DB9F/RJ-4

10RS-232/485 CONVERTER• Twisted-pair connection via strain relief, RJ-11, or RJ-45.• Silicon Avalanche Diode surge protection.• A Transmitter On signa

11CHAPTER 3: Configuration3. ConfigurationThe Converter is configured using two internal 4-position DIP switches. This section shows how toaccess the

12RS-232/485 CONVERTERFigure 3-1. Underside of the Converter’s main PC board, showing the location of DIP switch S1.Switch S1

13CHAPTER 3: ConfigurationFigure 3-2. Top of the Converter’s daughterboard, showing the location of DIP switch S2.Switch S2RCVXMTG-++-

14RS-232/485 CONVERTERTo access the Converter’s internal PC boards,insert a small flat-blade screwdriver between theconnector and the lip of the case

15CHAPTER 3: ConfigurationBoth DIP switch S1 and S2 are marked withindividual switch numbers 1 through 4. Use thesenumbers, and the “ON” designation t

16RS-232/485 CONVERTER3.1.1 DIP SWITCHS1 SETTINGSDIP switch S1 is used to configure receive impedance(termination), 2-wire/4-wire operation and “echo”

17CHAPTER 3: ConfigurationS1-1: Receive Impedance (Termination)The setting for switch S1-1 selects the impedanceof the input receiver. You may select

18RS-232/485 CONVERTERS1-4: Echo ModeThe setting for switch S1-4 determines whether the Converter echoes data back to the transmittingdevice (half-dup

1FCC AND IC STATEMENTSFEDERAL COMMUNICATIONS COMMISSIONANDINDUSTRY CANADARADIO FREQUENCY INTERFERENCE STATEMENTSThis equipment generates, uses, and ca

19CHAPTER 3: ConfigurationS2-1: Carrier Control MethodThe setting for S2-1 determines whether the carrieris “Constantly On” or “Controlled by RTS.” Th

20RS-232/485 CONVERTERS2-3 and S2-4: “Transmit Off” ImpedanceSwitches S2-3 and S2-4 are set together to determinewhether the receiving device “sees” t

21CHAPTER 3: ConfigurationThe switch settings generally needed toconfigure the Converter for these applications are shown in Table 3-3.NOTEDo not chan

22RS-232/485 CONVERTER4. InstallationOnce the Converter is properly configured, it isready to connect to your system. This section tellsyou how to pro

23CHAPTER 3: ConfigurationFor your convenience, the Converter is availablewith several different twisted-pair interfaces: RJ-11jack, RJ-45 jack, and t

24RS-232/485 CONVERTER3. Strip the insulation on each of the twisted- pairwires about 1⁄8 inch.Figure 4-2. Stripping the insulation on the twisted-pai

25CHAPTER 3: ConfigurationXMT+----------------------------------------RCV+XMT- --------------------------------------- RCV-G-------------To Shield (O

26RS-232/485 CONVERTERFigure 4-5. Wires connected to the terminal block.8. Place the two halves of the strain-relief assembly on either side of the te

27CHAPTER 3: Configuration9. Insert the strain-relief assembly with the wire goingthrough it into the slot in the bottom half of themodem case and sea

28RS-232/485 CONVERTER10. Bend the top of the case as necessary to place itover the strain-relief assembly. Do not snap the case together yet.Figure 4

2RS-232/485 CONVERTERNORMAS OFICIALES MEXICANAS (NOM)ELECTRICAL SAFETY STATEMENTINSTRUCCIONES DE SEGURIDAD1. Todas las instrucciones de seguridad y op

29CHAPTER 3: Configuration4.1.2 TWISTED-PAIRCONNECTIONUSINGRJ-11 ORRJ-45The RJ-11 and RJ-45 connectors on the Converter’stwisted-pair interface are pr

30RS-232/485 CONVERTERSignal Pin# Pin# SignalGND11--------------6 GND1RCV- 2--------------4 XMT-XMT+ 3--------------5 RCV+XMT- 4--------------2 XMT+RC

31CHAPTER 3: ConfigurationSignal Pin# Pin# SignalXMT+ 3---------------3XMT+XMT- 4---------------4XMT-Figure 4-12. RJ-11 Cable (2-wire).Signal Pin# Pin

32RS-232/485 CONVERTERDAISYCHAINTOPOLOGYUsing a daisychain topology, you may connect severalConverters together in a master/slave arrangement.Maximum

33CHAPTER 3: Configuration4.3 Connection to the EIA/TIA-574 InterfaceThe Converter is designed to plug directly into theDB9 serial port of an EIA/TIA-

34RS-232/485 CONVERTER4.4 Operating the ConverterOnce the Converter is properly installed, it shouldoperate transparently—as if it were a standard cab

35APPENDIXAppendix: EIA/TIA-574 InterfaceDB9 Signal Direction1----------------------CD Output2----------------------RD Output3----------------------TD

1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746© Copyright 1998. Black Box Corporation. All rights reserved.

3NOM STATEMENT10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores, registros de calor, estufas u otros apa

4RS-232/485 CONVERTERTRADEMARKSProduct names mentioned in this manual may betrademarks or registered trademarks of their respectivecompanies and are h

5TABLE OF CONTENTSCONTENTS1. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . .62. Introduction . . . . . . . . . . . . . . . . . . .

6RS-232/485 CONVERTER1. SpecificationsTransmission Format — AsynchronousData Rate — Up to 115,200 bpsRange — Up to 9 miles (14.4 km)Serial Interface —

7CHAPTER 1: SpecificationsCTS turns ON after the terminal raises RTSRTS/CTS Delay — 8 msec or “no delay”Carrier — The carrier is switch-selected eithe

8RS-232/485 CONVERTER2. Introduction2.1 DescriptionThe RS-232/485 Converter (IC620A) is an ultra-miniature interface converter. Requiring no AC power