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2

Introduction

2.2.2 VScom 200E PCIex

The VScom 200E PCIex card features two serial ports, available via a PCI Express slot. Both serial

ports share one common connector DB25-male, an adapter cable is included. For signal assignment

see

4.2

.

Figure 2: VScom 200E PCIex

A model for Low Profile cases is available.

Serial Ports 2

RS 232

Connectors

1

×

DB25 male Adapter to 2

×

DB9 male included

Signals

RS 232

RxD, TxD, RTS, CTS, DTR, DSR, DCD, RI, GND

Table 3: Features of VScom 200E PCIex

February 2010

VScom PCIex Card User Manual

7

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Содержание VScom 100E PCIex

Страница 1: ...r Manual VScom PCI Cards User Manual VScom PCI Cards VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom PCIex Card VScom P...

Страница 2: ... warranty of any kind either expressed or implied including but not limited to its particular purpose Vision Systems reserves the right to make improvements and or changes to this manual or to the products and or the programs described in this manual at any time Information provided in this manual is intended to be accurate and reliable However Vision Systems assumes no responsibility for its use ...

Страница 3: ... 1 Card and Ports in Device Manager 17 3 2 2 Card Advanced Settings 19 3 2 3 Ports Configuration 20 VScom Standard Port Settings 21 VScom Advanced Port Settings 22 Enhanced Software Settings 26 Automatic Software Flow Control 27 Automatic Hardware Flow Control by RTS CTS 29 Automatic Hardware Flow Control by DTR DSR 30 3 3 Windows NT 4 0 31 3 3 1 Installing in Windows NT 4 0 32 Automatic Detection...

Страница 4: ...4 17 Software Settings 26 18 Auto XON XOFF 27 19 Auto RTS CTS 29 20 Auto DTR DSR 30 21 Auto DTR Modes 31 22 NT Plug Play 32 23 NT Device list 33 24 DB9 male Connector 35 25 DB25 male Connector 36 26 DB44 female Connector 37 27 DB62 female Connector 38 28 DB25 male RS 232 39 29 DB25 female RS 232 39 List of Tables 1 Features of VScom PCIex models 6 2 Features of VScom 100E PCIex 6 3 Features of VSc...

Страница 5: ...stem install the serial ports into the Windows API so they appear as the usual Com ports software requires A rich set of driver options is configured via the Device Manager in Windows The driver allows to configure the serial ports for a bitrate of up to 15 6 Mbps Of course RS 232 can not reliably transport very high bitrates even under best conditions 1 Mbit s is the limit As the result of the ex...

Страница 6: ...D RTS CTS DTR DSR DCD RI GND Max Bitrates Theoretical 15 625 Mbit s Effective 1 Mbit s Serial configurations Data bits 5 6 7 8 Parity None Odd Even Mark Space Stop bits 1 1 5 2 FIFO size 128 Bytes For transmit and receive each Table 1 Features of VScom PCIex models 2 2 1 VScom 100E PCIex The VScom 100E PCIex card features one serial port available via a PCI Express slot Figure 1 VScom 100E PCIex S...

Страница 7: ...n connector DB25 male an adapter cable is included For signal assignment see 4 2 Figure 2 VScom 200E PCIex A model for Low Profile cases is available Serial Ports 2 RS 232 Connectors 1 DB25 male Adapter to 2 DB9 male included Signals RS 232 RxD TxD RTS CTS DTR DSR DCD RI GND Table 3 Features of VScom 200E PCIex February 2010 VScom PCIex Card User Manual 7 ...

Страница 8: ...on connector DB44 female an adapter cable is included For signal assignment see 4 3 Figure 3 VScom 400E PCIex A model for Low Profile cases is available Serial Ports 4 RS 232 Connectors 1 DB44 female Adapter to 4 DB9 male included Signals RS 232 RxD TxD RTS CTS DTR DSR DCD RI GND Table 4 Features of VScom 400E PCIex February 2010 VScom PCIex Card User Manual 8 ...

Страница 9: ... male and female Also converter boxes to RS 422 and RS 485 are possible Figure 4 VScom 800E PCIex Serial Ports 8 RS 232 Connectors 1 DB62 female Adapter not included Signals RS 232 RxD TxD RTS CTS DTR DSR DCD GND Table 5 Features of VScom 800E PCIex Note There is no RI signal because no pins are available for this on the DB62 connector 2 3 Packing List All models are shipped with a driver CD ROM w...

Страница 10: ...ports Just ignore such sections Also Windows NT and even older versions of Windows operating system are mentioned There are drivers for these old systems however they are without warranty Since modern main boards with PCI Express slots are not supported in these OS versions customers use these drivers at their own risc The screen shots in this manual are made on an English language version of Wind...

Страница 11: ...by Microsoft so there may be hidden problems on your computer These may cause the VScom cards to malfunction in your system Said that we can not guarantee the old products operate reliably and also modern products may have unex pected behaviour in old operating systems The old operating systems are just mentioned in the following Many VScom cards may be installed simultaneously In fact the driver ...

Страница 12: ...rivers It seems it is very different from the other Plug Play enabled versions But this is a deception When detecting new hardware Windows first visits the website of Windows Update to find a suitable driver which shall be installed If none is found Windows searches the local system for the required driver and loads it If also there is none this would be the time to pop up the Add New Hardware Wiz...

Страница 13: ...re 5 Windows 7 Installation 2 The software requests a location to install the required files Figure 6 Driver Installation Target Confirm the location 3 The installation proceeds February 2010 VScom PCIex Card User Manual 13 ...

Страница 14: ...e cards are added to an existing system 3 1 3 Verify the Installation You can now verify the installation by looking at the Multi port serial adapters section of the Device Manager Go there by Start Settings Control Panel System Hardware Device Manager There you will find the new device VScom PCIex Card listed Select this and open the properties In the Advanced tab click the Check button to verify...

Страница 15: ...in Windows 9x4 2000 XP and Vista To remove installed files and Windows registry information 1 Go to the directory where you installed the driver from as described above 2 Double click the VSCLEAN EXE and reboot your computer when asked to 3 1 5 Removing the Software in Windows 7 To remove installed files and Windows registry information you may use the same way as in the past above 3 1 4 Or you ma...

Страница 16: ...3 Windows Driver Figure 8 Windows 7 Driver Removal 2 Short time later the removal is done February 2010 VScom PCIex Card User Manual 16 ...

Страница 17: ...he basic PCI interface The other type is for the ports This is reflected in Windows and the driver software 3 2 1 Card and Ports in Device Manager The category where the VScom cards are installed is Multi port serial adapters And as expected there is the category of Ports COM LPT for the serial ports Both categories are standard on Windows February 2010 VScom PCIex Card User Manual 17 ...

Страница 18: ...layed as two items in Multi port serial adapters Because the H series cards support two functions each card is listed as two devices The 800EH card appears as two groups of serial ports The same happens for the 210H card with two serial ports in one group and the parallel port in the other L series cards like 200L or 210L put all ports in one component so serial and parallel ports may be mixed Feb...

Страница 19: ...ard When installing a card the driver attempts to detect the clock of the serial ports If the system is very busy while installing the driver the detection may yield a wrong result If you have communication problems after installation click the Check button The driver will measure the actual speed again and change the entry as needed There is no option to manually enter the clock value Unless you ...

Страница 20: ...ou exactly know what you are doing Usually you will change the number of the first port only With the Autoenumerate feature enabled the subsequent ports receive the next numbers However it is possible to assign port numbers with gaps in between 3 2 3 Ports Configuration The available functions of the serial ports depend on the type of UART implemented on the card Cards with 16C550A type serial por...

Страница 21: ...iver VScom Standard Port Settings Figure 13 Standard Settings This panel is well known to most users it is similar to the panel used by the Microsoft driver for Com1 2 February 2010 VScom PCIex Card User Manual 21 ...

Страница 22: ...eries a different UART may be implemented The available emulations depend on this At least a 16550 is possible with all series The possible settings for FIFO control depend on the chosen emulation Here the elements one by one UART type This is to choose the emulation The UARTS of type 16450 and 8250 operate without FIFO We suggest to use the highest possible setting for best operation Use Memory A...

Страница 23: ...e item The value ranges from 1 to the FIFO size of the emulation Higher values increase transmission performance The typical value here is 16 the FIFO size of a 16550 This value must not be less than the Transmit trigger level CAUTION external hardware such as a modem must be able to handle this blocksize very old systems may require to reduce this parameter to 1 Enable TCR The 16C950 UART used on...

Страница 24: ...d The Transmit Buffer Length ranges from 1 to 16 only The serial port can emulate the 16C450 and the ancient 8250 UART Figure 16 UART Types Remarks on the UART Emulation Modes Usually the best choice for the UART type emulation is just the best availabe i e the standard 16C950 model However some hardware options may be configured to match the functions of less advanced types This may be required f...

Страница 25: ...he built in serial ports of modern computers use this UART model with a maximum speed of 115200 bps which is 921600 bps on VScom cards 16650 This UART basically has 32 bytes FIFOfor transmit and receive each and also four trigger levels for receive However this emulation uses 128 Bytes FIFO for receive Additional function is automatic Flow Control by RTS CTS or XON XOFF 16750 This is another UART ...

Страница 26: ... real speed Possible factors range from 0 125 1 divided by 8 up to 32 in steps of 0 125 Of course you can not get a speed which is higher than the maximum speed of the port 921600 bps 3 6 Mbps The normal value is 1 of course and it should be left there This is a feature with some risk With a modem you very easy get a speed the modem can not handle Examples Wrong Overspeed is set to 8 The modem has...

Страница 27: ...peeds Modem detection may fail because of wrong settings Correct The application is limited to 19200 Overspeed my be 6 or 12 to get 115200 or even 230400 with a modern modem Automatic Software Flow Control Figure 18 Auto XON XOFF This panel configures the On Chip Software Flow Control provided by the UART Only some UART types support the Flow Control directly on the chip Use the 16950 emulation to...

Страница 28: ... by the processor the UART generates a continue signal Receive control Xon Xoff Character Same function as Transmit control above Even when it is possible to use other values than above we strongly recommend to use the standard values Receive control Triggers Xon The level when the UART generates the continue signal When the processor reads the received data the amount remaining in the UART will e...

Страница 29: ...ontrols output Basics of hardware flow control When CTS is asserted by the other side transmission is allowed If deasserted transmission is halted When the system is ready to receive data it asserts the RTS line to the other side If it needs a pause it deasserts RTS RTS Enable Selects the On Chip receive Flow control RTS on Function is similar to the Xon slider from above RTS off Function is simil...

Страница 30: ... intended to operate Disabled No Flow control for receive Triggered Flow control similar to RTS Enable RS485 Low Active This can be used to control a converter RS232 RS485 see below DTR is low while data is transmitted RS485 High Active This can be used to control a converter RS232 RS485 see below DTR is high while data is transmitted DTR on Compare the slider of RTS on February 2010 VScom PCIex C...

Страница 31: ...w the DTR operates like an automatic button which presses itself as soon as one starts to talk And it releases afterwards while the user is silent This feature is very useful for older applications Often there are applications written for a half duplex protocol6 over RS 232 Now this must operate over a longer distance So RS 485 is chosen to transmit the data But the application does not know about...

Страница 32: ...tory 4 Otherwise double click on My Computer and choose your CD ROM drive 5 Double Click Windows NT 4 0 6 Double Click PCI_Driver 7 Double click vsinst EXE 8 The Installer starts and requests confirmation of installation You may change the target directory for the software If there is a space in the name please use the short name e g PROGRA 1 for Program Files instead 9 Click Yes and Reboot when r...

Страница 33: ...removed cards without a complete uninstall of the drivers Different from other Windows in NT all installed drivers load and check for there hardware This is not efficient when the hardware is removed some time ago and causes error messages in the event viewer The properties of each installed VScom PCI card and its ports are associated with the PCI slot where the card is placed When a card is remov...

Страница 34: ...ions Checking Installation in Windows NT You can now verify the installation by looking at the Administrative Tools section of the Windows NT Diagnostics also called WinMSD Go there by Start Setting Windows NT Diagnostics Administrative Tools Resources There you will find new device vscnt listed Double click on it you will see the IRQ and I O information Click on the right tab you can see all the ...

Страница 35: ...ment for RS 232 on DB9 male connectors is defined by the term RS 232 already The same is for the female type as well as for DB25 male and female connectors Below is the signal definition for all connectors used by the VScom PCIex cards DB9 male signals are mentioned for completeness 4 1 DB9 male Usually this type of connector is used by customers Pin RS 232 Pin RS 232 1 DCD 6 DSR 2 RxD 7 RTS 3 TxD...

Страница 36: ...er isolated nor isolated from each other so GND is common and has no index nc is a no connect pin Pin RS 232 Pin RS 232 1 DCD 1 14 DSR 1 2 RxD 1 15 RTS 1 3 TxD 1 16 CTS 1 4 DTR 1 17 DTR 1 5 GND 18 nc 6 nc 19 nc 7 nc 20 nc 8 nc 21 nc 9 DCD 2 22 DSR 2 10 RxD 2 23 RTS 2 11 TxD 2 24 CTS 2 12 DTR 2 25 RI 2 13 GND Table 7 DB25 male Connector Figure 25 DB25 male Connector February 2010 VScom PCIex Card U...

Страница 37: ...n RS 232 Pin RS 232 Pin RS 232 1 CTS 4 16 DTR 4 31 GND 2 RTS 4 17 TxD 4 32 GND 3 DSR 4 18 RxD 4 33 RI 4 4 RI 3 19 DCD 4 34 GND 5 CTS 3 20 DTR 3 35 GND 6 RTS 3 21 TxD 3 36 GND 7 DSR 3 22 RxD 3 37 GND 8 RI 2 23 DCD 3 38 GND 9 CTS 2 24 DTR 2 39 GND 10 RTS 2 25 TxD 2 40 GND 11 DSR 2 26 RxD 2 41 GND 12 DTR 1 27 DCD 2 42 RI 1 13 TxD 1 28 CTS 1 43 GND 14 RxD 1 29 RTS 1 44 GND 15 DCD 1 30 DSR 1 Table 8 DB...

Страница 38: ... Pin RS 232 Pin RS 232 Pin RS 232 1 TxD 1 22 RxD 1 43 CTS 1 2 DTR 1 23 DSR 1 44 RTS 1 3 RxD 2 24 DCD 1 45 GND 4 DSR 2 25 TxD 2 46 CTS 2 5 DCD 2 26 DTR 2 47 RTS 2 6 TxD 3 27 RxD 3 48 CTS 3 7 DTR 3 28 DSR 3 49 RTS 3 8 RxD 4 29 DCD 3 50 GND 9 DSR 4 30 TxD 4 51 CTS 4 10 DCD 4 31 DTR 4 52 RTS 4 11 RxD 5 32 GND 53 CTS 5 12 DSR 5 33 TxD 5 54 RTS 5 13 DCD 5 34 DTR 5 55 GND 14 TxD 6 35 RxD 6 56 CTS 6 15 DT...

Страница 39: ...CD 4 RTS 20 DTR 5 CTS 22 RI 6 DSR Table 10 DB25 male RS 232 Figure 28 DB25 male RS 232 4 6 DB25 female RS 232 This type of connector is not available on any card however there are adapter options providing such The pins not mentioned are a no connect on these adapters or specified in the adapters documentation Pin RS 232 Pin RS 232 2 RxD 7 GND 3 TxD 8 DCD 4 CTS 20 DSR 5 RTS 22 RI 6 DTR Table 11 DB...

Страница 40: ...5 History 5 History March 2009 First Release of this manual February 2010 Installation in Windows 7 added February 2010 VScom PCIex Card User Manual 40 ...

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