Black Box USB Single-Port Hub IC266A Product Manual Download Page 16 | Manualshive

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CHAPTER 4: Configuration

4.2 Switch Examples

Please use these examples to configure your USB Single-

Port Hub (RS-422/485).

Figure 4-1. RS-530/422, 4-wire 485 master (default).

Figure 4-2. RS-485, 2-wire with echo.

Figure 4-3. RS-485, 2-wire no echo.

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Summary of Contents for USB Single-Port Hub IC266A

Page 1: ...toll free in the U S Call 877 877 BBOX outside U S call 724 746 5500 FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black Box Corporation 10...

Page 2: ...s equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Chan...

Page 3: ...ba o lavabo s tano mojado o cerca de una alberca etc 6 El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante 7 El aparato el ctrico debe ser...

Page 4: ...contactos y recept culos donde salen del aparato 14 El equipo el ctrico debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deber ser l...

Page 5: ...N THIS MANUAL UL is a registered trademark of Underwriters Laboratories Incorporated Windows is a registered trademark of Microsoft Corporation Any other trademarks mentioned in this manual are acknow...

Page 6: ...2 4 Features 9 3 Installation 10 3 1 Operating System Installation 10 3 2 System Installation 10 4 Configuration 14 4 1 Electrical Interface Selection 14 4 2 Switch Examples 15 Appendix A Troubleshoo...

Page 7: ...ickel Connectors 1 DB25 male 1 USB Type B Indicators LEDs 1 USB Enabled 1 TX 1 RX Mean Time Between Failures MTBF Greater than 150 000 hours Temperature Tolerance Operating 32 to 122 F 0 to 50 C Stora...

Page 8: ...put DSRA DSR Data Set Ready Negative 6 Input DCDB DCD Data Carrier Detect Positive 10 Input DCDA DCD Data Carrier Detect Negative 8 Input TDB TX Transmit Positive 14 Output TDA TX Transmit Negative 2...

Page 9: ...his product over more traditional approaches is that it doesn t require opening the computer case nor does it require resources such as I O ports or IRQs It does require a system that supports USB bot...

Page 10: ...ble baud rate data format a 128 byte dual port TX buffer and a 384 byte dual port RX buffer The RS 422 485 transceiver supports data rates up to 921 6 kbps 2 4 Features Hot pluggable device that doesn...

Page 11: ...tion The screen shots pictured in this section are taken from a Windows Me installation Your particular operating system may differ slightly from what is shown based on your version of Windows The USB...

Page 12: ...are Wizard Back Next Cancel Windows has found the following new hardware USB Single Port Hub Windows can automatically search for and install software that supports your hardware If your hardware came...

Page 13: ...en Windows has now located a driver and installed the software Click Finish to proceed You should see one more New Hardware Found indicating the actual port being created If you view your system s Dev...

Page 14: ...lied WinSSD diagnostic utility WinSSD can be found in the Start Programs group OK Cancel Print Remove Refresh Properties General Device Manager Hardware Profiles Performance System Properties View dev...

Page 15: ...Switch SW1 ON enables adds and connects SW1 position OFF disables removes and disconnects SW1 Function 1 RS 485 two wire auto enable disable ON Enable 2 Echo enable disable ON Disable 3 Adds or remov...

Page 16: ...uration 4 2 Switch Examples Please use these examples to configure your USB Single Port Hub RS 422 485 Figure 4 1 RS 530 422 4 wire 485 master default Figure 4 2 RS 485 2 wire with echo Figure 4 3 RS...

Page 17: ...e sure that USB support is enabled in the system BIOS and it is functioning properly in the operating system This can be done by using either the Windows 98 Me or Windows 2000 Device Manager 2 Make su...

Page 18: ...ta If this test passes then the Hub is ready for use in your application 5 Please note that if the card is configured for 2 wire RS 485 with no echo a loopback test is not possible The receiver in thi...

Page 19: ...volved in the problem any particular application that when used appears to create the problem or make it worse A 3 Shipping and Packaging If you need to transport or ship your USB Single Port Hub RS 4...

Page 20: ...ypes of interface circuits Data Terminal Equipment DTE and Data Circuit Terminating Equipment DCE The USB Single Port Hub RS 422 485 is a DTE interface RS 422 The RS 422 specification defines the elec...

Page 21: ...o 5 volts RS 422 does not define a physical connector RS 485 RS 485 is backwardly compatible with RS 422 however it is optimized for partyline or multi drop applications The output of the RS 422 485 d...

Page 22: ...and four wire mode Two wire mode does not allow for full duplex communication and requires that data be transferred in only one direction at a time For half duplex operation the two transmit pins sho...

Page 23: ...ata communication for PC compatibles and PS 2 computers The original PC was equipped with a communication or COM port that was designed around an 8250 Universal Asynchronous Receiver Transmitter UART...

Page 24: ...mplementing a parity check to guard against data corruption Common methods are called E ven Parity or O dd Parity Sometimes parity is not used to detect errors on the data stream This is referred to a...

Page 25: ...ta rate and communication parameters for asynchronous communications have to be the same at both the transmitting and receiving ends The communication parameters are baud rate parity number of data bi...

Page 26: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 2001 Black Box Corporation All rights reserved...

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