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20

4-PORT CARD SERIAL HOST ADAPTER WITH ISP

3.7 Baud Rates and Divisors for the “DIV2” Mode

The following table shows some common data rates and the rate you should
choose to match them if using the Adapter in the 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

38.4 Kbps

115.2 Kbps

57.6 Kbps

230.4 Kbps

115.2 Kbps

If your communications package allows the use of baud-rate divisors, choose the
appropriate divisor from this table:

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

Содержание IC102C-R2

Страница 1: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 2000 Black Box Corporation All rights reserved...

Страница 2: ...day 877 877 BBOX FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mail order Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox...

Страница 3: ...2 4 PORT CARD SERIAL HOST ADAPTER WITH ISP...

Страница 4: ...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 ne...

Страница 5: ...a de 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 parato el ctrico debe s...

Страница 6: ...cept culos donde salen del aparato 14 El equio el ctrico debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deber ser localizada lejos...

Страница 7: ...light industry EN60950 IEC950 Safety of information technology equipment including electrical business equipment Trademarks Used in this Manual IBM OS 2 PAL and PS 2 are registered trademarks of Inter...

Страница 8: ...Q Selection 15 3 4 Interrupt Modes 16 3 5 Clock Modes 17 3 6 Baud Rates and Divisors for the DIV1 Mode 19 3 7 Baud Rates and Divisors for the DIV2 Mode 20 4 Installation 21 4 1 Installing the Adapter...

Страница 9: ...re adhered to with a 0 1 visual A Q L and 100 functional testing This circuit board is built to UL 94V0 rating and is 100 electrically tested This printed circuit board is solder mask over bare copper...

Страница 10: ...ial Host Adapter with ISP a DB37 to 4 DB25 spider cable an optional DB9 spider cable is available call Technical Support for details 2 3 5 serial utility diskettes and this user s manual The Adapter s...

Страница 11: ...ng software products 2 2 1 INTERRUPT STATUS PORT ISP The 4 Port Card Serial Host Adapter with ISP provides you with an Interrupt Status Port ISP for greater throughput when servicing multiple ports on...

Страница 12: ...eive Data 3 Input CTS Clear To Send 5 Input DSR Data Set Ready 6 Input DCD Data Carrier Detect 8 Input RI Ring Indicator 22 Input DB9 EIA 574 DTE Signal Name Pin Mode GND Ground 5 TD Transmit Data 3 O...

Страница 13: ...12 4 PORT CARD SERIAL HOST ADAPTER WITH ISP DB37 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 14: ...ddresses is to choose them from the table of available address combinations below If different address combinations are required contact Technical Support about custom PAL options Table 3 1 Available...

Страница 15: ...Up position Table 3 2 Address selection Switch Settings Address Lines A9 A8 A7 A6 A5 Address Selected 1 2 3 4 5 280 29F Off On Off On On 2A0 2BF Off On Off On Off 380 39F Off Off Off On On 1A0 1BF On...

Страница 16: ...controls the Port 2 IRQ selection is J2B The silk screen also provides information for configuring the Adapter without the use of the manual This is particularly useful in field re configuration 3 3 I...

Страница 17: ...ng the appropriate selections at J1A through J4A When sharing IRQs many operating systems for example Windows NT will require the location of the Interrupt Status Port ISP See Section 2 2 for a descri...

Страница 18: ...he following example shows two ports sharing a single IRQ Figure 3 4 Header J1A and J2A shared IRQ mode Set the jumper to S if you are using more than one 4 Port Card Serial Host Adapter with ISP in a...

Страница 19: ...reened DIV4 Figure 3 5 Clocking mode Divide By 4 To double these rates up to a maximum rate of 230 4 Kbps place the jumper in the divide by 2 silk screened DIV2 position Figure 3 6 Clocking mode Divid...

Страница 20: ...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 If your communications package a...

Страница 21: ...s 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 38 4 Kbps 115 2 Kbps 57 6 Kbps 230 4 Kbps 115 2 Kbps If your communi...

Страница 22: ...te for help files and current information on the installation of the Card in this operating environment 4 1 2 WINDOWS 95 98 USERS For the ISA card run setup on the Serial Utilities Diskette before ins...

Страница 23: ...R2 or IC180C connect the DB37 female connector end of the octopus cable to the DB37 male connector on the card 6 Replace the screw 7 Replace the cover 8 Install the spider cable 9 Connect the power c...

Страница 24: ...sing a unique IRQ While the 4 Port Card Serial Host Adapter with ISP does allow the sharing of IRQs many other adapters such as SCSI adapters and on board serial ports do not The IRQ is typically sele...

Страница 25: ...ng 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 Kb...

Страница 26: ...was equipped with a communication or COM port that was designed around an 8250 Universal Asynchronous Receiver Transmitter UART This device allows asynchronous serial data to be transferred through a...

Страница 27: ...es parity is not used to detect errors on the data stream This is referred to as N o parity Because each bit in asynchronous communications is sent consecutively it is easy to generalize asynchronous...

Страница 28: ...7 9 10 11 12 15 U3 RP1 C1 Y1 COPYRIGHT 1997 MADE IN USA P3 GD75232 C9 U8 GD75232 C8 U7 C10 GD75232 C7 U6 GD75232 U5 74LS244 U4 C6 R5 R6 R7 C5 C3 74LS74 E1 C2 U1 J3A J3B D4 R4 N S M 3 4 5 6 7 9 10 11...

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