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CHAPTER 3: Card Setup

3.3 Baud Rates and Divisors for the “DIV2” Mode

Table 3-3 shows some common data rates and the rates you should choose to
match them if using the adapter in the “DIV2” mode.

Table 3-3. Choosing baud rates for DIV2 mode.

For this Data Rate

Choose this Data Rate

1200 bps

600 bps

2400 bps

1200 bps

4800 bps

2400 bps

9600 bps

4800 bps

19.2 kbps

9600 bps

38.4 kbps

19.2 kbps

57.6 kbps

28.8 kbps

115.2 kbps

57.6 kbps

230.4 kbps

115.2 kbps

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Содержание IC132C

Страница 1: ...nical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com APRIL 2004 IC132C IC132C HS IC188C R2 4 Port RS 232 PCI Serial Adapter 4 Port RS 232 HS PCI Serial Adapter ...

Страница 2: ... is operated in a commercial environment Operation of this 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 Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Th...

Страница 3: ...cante 7 El aparato eléctrico debe ser montado a la pared o al techo sólo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo eléctrico más allá a lo descrito en las instrucciones de operación Todo otro servicio deberá ser referido a personal de servicio calificado 9 El aparato eléctrico debe ser situado de tal manera que su posición no interfiera su...

Страница 4: ...r una antena externa deberá ser localizada lejos de las lineas de energia 16 El cable de corriente deberá ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios de ventilación 18 Servicio por personal calificado deberá ser provisto cuando A El cable de poder o ...

Страница 5: ...rks and XT is a trademark of International Business Machines Corporation Windows and Windows NT are either registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners ...

Страница 6: ...1 3 4 Address and IRQ Selection 12 4 Installation 13 4 1 Install the Software 13 4 2 Hardware Installation 13 5 Technical Description 15 5 1 Interrupts 15 5 2 Why Use an ISP 15 5 3 Connector Pin Assignments 16 Appendix A Troubleshooting 20 A 1 Using the Serial Utilities CD ROM 20 A 2 Calling Black Box 20 A 3 Shipping and Packaging 21 Appendix B Electrical Interface 22 Appendix C Asynchronous Commu...

Страница 7: ...132C IC132C HS 1 DB37 male on card 1 DB37 female to 4 DB25 male cable IC188C R2 1 DB44 female on card 1 DB44 male to 4 DB25 male Cable Length 36 91 4 cm Temperature Operating 32 to 122 F 0 to 50 C Storage 4 to 158 F 20 to 70 C Humidity 10 to 90 noncondensing MTBF Greater than 150 000 hours Power IC132C IC132C HS 12 VDC 60 mA 12 VDC 100 mA 5 VDC 250 mA IC188C R2 Universal bus 3 3 VDC and 5 VDC PCI ...

Страница 8: ...sts of 460 8 kbps while the IC132C HS uses a 16654 UART and has a 64 byte FIFO to allow sustained rates of 460 8 kbps The IC188C R2 features a 16854 UART for speeds of 460 8 kbps and above and has a 128 byte FIFO 2 2 What s Included The adapter card is shipped with the following items If any of these items are missing or damaged contact Black Box at 724 746 5500 1 4 Port RS 232 PCI Serial Adapter ...

Страница 9: ...t the baud rates commonly associated with COM ports 2400 4800 9600 19 2 115 2 kbps place the jumper in the divide by 4 mode marked DIV4 Figure 3 1 Clocking mode Divide by 4 To double these rates up to a maximum rate for 230 4 kbps place the jumper in the divide by 2 position marked DIV2 Figure 3 2 Clocking mode Divide by 2 To select the maximum data rate 460 8 kbps place the jumper in the divide b...

Страница 10: ...the rates you should choose to match them if using the adapter in the DIV1 mode Table 3 1 Choosing baud rates for DIV1 mode For this Data Rate Choose this Data Rate 1200 bps 300 bps 2400 bps 600 bps 4800 bps 1200 bps 9600 bps 2400 bps 19 2 kbps 4800 bps 57 6 kbps 9600 bps 115 2 kbps 19 2 kbps 230 4 kbps 57 6 kbps 460 8 kbps 115 2 kbps DIV1 DIV2 DIV4 ...

Страница 11: ... use of baud rate divisors choose the appropriate divisor from Table 3 2 Table 3 2 Baud rates and divisors for the DIV1 mode For this Data Rate Choose this Divisor 1200 bps 384 2400 bps 192 4800 bps 96 9600 bps 48 19 2 kbps 24 38 4 kbps 12 57 6 kbps 8 115 2 kbps 4 230 4 kbps 2 460 8 kbps 1 ...

Страница 12: ...ou should choose to match them if using the adapter in the DIV2 mode Table 3 3 Choosing baud rates for DIV2 mode For this Data Rate Choose this Data Rate 1200 bps 600 bps 2400 bps 1200 bps 4800 bps 2400 bps 9600 bps 4800 bps 19 2 kbps 9600 bps 38 4 kbps 19 2 kbps 57 6 kbps 28 8 kbps 115 2 kbps 57 6 kbps 230 4 kbps 115 2 kbps ...

Страница 13: ...2 mode For this Data Rate Choose this Divisor 1200 bps 192 2400 bps 96 4800 bps 48 9600 bps 24 19 2 kbps 12 38 4 kbps 8 57 6 kbps 4 115 2 kbps 2 230 4 kbps 1 3 4 Address and IRQ Selection The adapter is automatically assigned I O addresses and IRQs by your motherboard BIOS Only the I O address may be modified by the user Adding or removing other hardware may change the assignment of I O addresses ...

Страница 14: ... adapter 2 Turn off PC power Disconnect the power cord 3 Remove the PC case cover 4 Locate an available PCI slot Remove the screw holding the blank metal slot cover and then remove the cover itself 5 Gently insert the adapter into the slot Make sure that the adapter is seated properly 6 Replace the screw 7 Replace the cover 8 Connect the power cord SELECTING THE PCI COM NUMBER IN WINDOWS 95 When i...

Страница 15: ... third I O ranges are the ones that need to be changed in order to have those ports enumerated as COM 3 and COM 4 Double click on the second I O range this allows you to change the address Highlight the entire I O range and type 03e8 03ef for COM 3 Click OK Windows will inform you that you have made modifications that may affect other devices Click OK Next double click on the third I O range Highl...

Страница 16: ... is an important feature for any add in I O card Consider that in the IBM XT the available IRQs were IRQ0 through IRQ7 Of these interrupts only IRQ 2 5 and IRQ 7 were actually available for use This made the IRQ a very valuable system resource To make the maximum use of these system resources an IRQ sharing circuit that allowed more than one port to use a selected IRQ was devised This worked fine ...

Страница 17: ...nnel 2 has an interrupt pending Bit Position 7 6 5 4 3 2 1 0 Value Read 0 0 0 0 0 0 1 0 NOTE Bits 4 7 are not driven and can report back as a 1 or a 0 Most application software will mask the unused bits to determine if an interrupt is pending 5 3 Connector Pin Assignments Table 5 1 DB25 RS 232 DTE Signal Name Pin Mode GND Ground 7 TD Transmit Data 2 Output RTS Request To Send 4 Output DTR Data Ter...

Страница 18: ...TR Data Terminal Ready 4 Output RD Receive Data 2 Input CTS Clear To Send 8 Input DSR Data Set Ready 6 Input DCD Data Carrier Detect 1 Input RI Ring Indicator 9 Input NOTE Refer to the above chart if your RS 232 device has a DB9 connector Use a DB9 to DB25 adapter with your device to adapt it to the cable s DB25 port Call Technical Support for details ...

Страница 19: ...CI AND HS PCI SERIAL ADAPTERS Table 5 3 DB37 male on card IC132C IC132C HS Port 1 2 3 4 GND 33 14 24 5 TD 35 12 26 3 RTS 17 30 8 21 DTR 34 13 25 4 RD 36 11 27 2 CTS 16 31 7 22 DSR 18 29 9 20 DCD 37 10 28 1 RI 15 32 6 23 ...

Страница 20: ...R 5 Technical Description Table 5 4 DB44 female on card IC188C R2 Port 1 2 3 4 GND 17 21 24 28 RD 4 8 12 30 RI 33 37 41 44 DCD 3 7 11 15 DTR 32 36 40 43 RTS 2 6 10 14 DSR 31 35 39 42 TD 1 5 9 13 CTS 16 20 23 27 ...

Страница 21: ...to the CD ROM for any manual updates and application specific information 4 Always use the diagnostic software when troubleshooting a problem This will eliminate the software issue from the equation A 2 Calling Black Box If you determine that your adapter is malfunctioning do not attempt to alter or repair the unit It contains no user serviceable parts Contact Black Box at 724 746 5500 Before you ...

Страница 22: ...port or ship your adapter Package it carefully We recommend that you use the original container If you are shipping the adapter for repair make sure you include everything that came in the original package Before you ship contact Black Box to get a Return Authorization RA number ...

Страница 23: ...l Equipment and Data Circuit Terminating Equipment Employing Serial Binary Data Interchange Both implementations are in widespread use and are referred to as RS 232 in this document RS 232 is capable of operating at data rates up to 20 kbps at distances less than 50 ft 15 2 m The absolute maximum data rate may vary due to line conditions and cable lengths RS 232 is a single ended or unbalanced int...

Страница 24: ...A start bit followed by a pre defined number of data bits 5 6 7 or 8 defines character boundaries for asynchronous communications The end of the character is defined by the transmission of a pre defined number of stop bits usually 1 1 5 or 2 Figure C 1 Asynchronous communications bit diagram An extra bit used for error detection is often appended before the stop bits This special bit is called the...

Страница 25: ... the beginning and end of the serial transmission of the character The data 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 bits per character and stop bits usually listed in that order like this 9600 N 8 1 ...

Страница 26: ...U2 GD75232 U3 GD75232 U4 E1 E2 C1 C2 C3 C4 U5 C5 U6 C6 J1 C7 C9 U7 C10 C12 C11 93CS46 16C554 C8 R1 R2 R3 R4 R5 C13 C14 C15 C16 C17 J2 Y1 R6 R7 R8 U8 P1 PCI9050 XC9536 7401 7401 MADE IN USA DIV1 DIV2 DIV4 DIV1 DIVIDE BY 1 DIV2 DIVIDE BY 2 DIV4 DIVIDE BY 4 J2 CLOCK DIVIDER ...

Страница 27: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 2004 Black Box Corporation All rights reserved ...

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