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1 Port RS232 Card 

Chapter 8  

  48 

 

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Summary of Contents for 1 Port Rs232 Card

Page 1: ...Brain Boxes 1 Port Rs232 Card By Paul D Sinclair...

Page 2: ...ing The 1 Port RS232 Card In The Computer 9 STEP 1 Remove Cover Mounting Screws 9 STEP 2 Remove The PC Cover 9 STEP 3 Remove the Blanking Cover 10 STEP 4 Insert The Card 10 STEP 5 Secure the Card into...

Page 3: ...ager 37 Chapter 8 Windows NT4 Installation 41 Introduction 41 Driver Installation 41 Checking Your Installation 42 Port Configuration 43 Advanced Port Settings 45 Uninstalling Serial Solutions PCI 45...

Page 4: ...uivalent unit COPYRIGHT COPYRIGHT 1985 2000 BRAIN BOXES LIMITED All rights reserved No part of this hardware circuitry or manual may be duplicated copied transmitted or reproduced in any way without t...

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Page 6: ...tions drivers have the following features Drivers for PC FIFO UARTs e g 16550 as well as the new improved 32 byte 16650 and 64 byte 16750 UARTs Support for any mix of RS232 RS422 and RS485 handshake s...

Page 7: ...o grasp They demonstrate in depth serial port programming in a variety of languages but they are also useful tools for using serial devices Comtest exe Comtest is a short but invaluable program that i...

Page 8: ...ual device drivers providing the shared ssvel vxd ssmult vxd ssm485 vxd interrupt handlers and dispatch routines etc for the various Serial Solutions serial cards Serial Solutions For Windows NT Windo...

Page 9: ...face to configure cards and their ports under Device Manager Multi port serial adapters SsCard hlp The help file for the SsCard dll user interface Complete Documentation and Technical Backup We believ...

Page 10: ...t 15m and beyond Word length of 5 6 7 or 8 bits Even Odd None Mark or Space parity options 1 start bit always sent 1 1 5 for 5 bit data word length or 2 stop bits Full modem control TXD RXD DSR DCD DT...

Page 11: ...1 Port RS232 Card Chapter 2 8 Configuring PCI Cards PCI cards by definition require no hardware configuration and can be installed directly from the box...

Page 12: ...r removing any interface board STEP 1 Remove Cover Mounting Screws Then using a screwdriver remove the cover mounting screws on the back panel of the PC system unit STEP 2 Remove The PC Cover Next rem...

Page 13: ...w safely for later STEP 4 Insert The Card Now insert the card in the slot Be careful to ensure that the gold plated pcb fingers fits neatly into the I O expansion connector Press down firmly but evenl...

Page 14: ...normal way Problems If the system fails to power up normally check the following 1 Ensure that the PC Serial card is installed correctly 2 Ensure that other cards in the PC have not been upset 3 Ensu...

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Page 16: ...supplied disk BBCARDS EXE will return a string that looks similar to the following values contained in the string may differ in individual PC s due to resource availability card 1 is on bus 0 device...

Page 17: ...transmits irrespective of the handshake lines The 3 wires are TxD RxD and Ground no other lines are required Thus the CTS DSR and DCD inputs are ignored The RTS and DTR output lines are set true just...

Page 18: ...n assembled the NEWCOM SYS command line looks like DEVICE NEWCOM SYS A5 0140 I 11 5 B5 S 512 H 4 and should be entered into the CONFIG SYS file Once you are sure that these parameters have been entere...

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Page 20: ...EXE from the supplied Serial Solutions CDROM Place the supplied Serial Solutions CDROM disk in a suitable drive From File Manager choose Run and enter Drive diskimg ssutil pci bbcards where drive is t...

Page 21: ...onents are installed For further details on the Component Options consult the README TXT file on the supplied disk If only logical ports COM1 to COM9 are to be used then de select the Comms API librar...

Page 22: ...1 Port RS232 Card Chapter 5 19 Serial Port Installation From Main double click Control Panel Double click on Serial Ports Click on the add button...

Page 23: ...is 8 higher than the previous i e if COM2 has an address of 0140h then COM3 has an address of 0148h In the IRQ field enter the value 11 Note The values used in the above section were those returned b...

Page 24: ...o configure and click on Settings the following dialogue will be displayed Note A port that has been added has the default values of Baud Rate 9600 Data Bits 8 Parity None top Bits 1 0 Flow None Chang...

Page 25: ...from the system Note Never try to leave out a serial port number when using the delete button because Windows may automatically shift serial port numbers which results in a mis match of settings in t...

Page 26: ...1 Port RS232 Card Chapter 5 23 made ALL the necessary changes restart Windows so that the new settings come into effect...

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Page 28: ...he Driver During the booting process Windows 95 will detect the PCI 1 Port RS232 Card but will display it simply as a PCI CARD and you will briefly see a message box to this effect Windows will then d...

Page 29: ...e shows that the Update Device Driver Wizard has found a suitable driver and the location of that driver Click Finish Click OK In the location space type drive diskimg sswin9x where drive is the appro...

Page 30: ...32 card will appear under the Multi function adapters branch Also a Communications Port will appear under the Ports COM LPT branch For most users who have 4 or less COM ports the new port will appear...

Page 31: ...1 Port RS232 Card Chapter 6 28 Click on the Device Manager tab...

Page 32: ...e the I O address and interrupt and is usually used only for legacy devices which require specific settings This is an advanced feature which should only be tackled by experieced users In this window...

Page 33: ...ick on the My Computer icon on your desktop Click on Properties Double clicking on the Ports COM LPT label you will reveal a list of ports installed on your machine Click on the port you wish to confi...

Page 34: ...maximum value selectable is 921 600 this is due to standard Windows COM port drivers being used Data Bits Parity Stop Bits Flow Control Change to suit the remote device being used Restore Defaults wh...

Page 35: ...l allow the interrupt to be serviced quicker which is good for slow machines If you have a fast machine setting a high value will give you more time for multi tasking operations Transmit Buffer These...

Page 36: ...sert the PCI 1 Rs232 Card into your PC as described in Chapter 3 Installing the Card and restart Driver Installation During the booting process Windows 98 will detect the PCI 1 port RS232 but will dis...

Page 37: ...where drive is the appropriate letter for your CDROM drive Click Next Click Finish After copying the file Windows 95 will then detect each of the serial ports in turn and install them as communication...

Page 38: ...the Ports COM LPT branch For most users who have 4 or less COM ports the new port will appear as COM5 as pictured above for users with more than 5 COM ports the new port will appear as the first avail...

Page 39: ...y double clicking on the Multi function adapters label you will reveal any cards that you have installed Click on the PCI 1 Port RS232 Card label to highlight it then click on the Properties button Cl...

Page 40: ...port assignment may be changed simply by selecting a new COM port value from the pull down menu relevant to the port However COM port usage other than those for the PCI 1 Port RS232 card itself are no...

Page 41: ...on your machine Click on the port you wish to configure to configure to highlight it then click on the Properties button Selecting the Port Settings tab produces Settings available in these windows a...

Page 42: ...y recommended that the FIFO for both ports is left enabled Receive Buffer These settings allow the selection of a receiver FIFO trigger setting Selecting a low value will allow the interrupt to be ser...

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Page 44: ...ministrator level privileges if you do not have these please contact your system administrator Insert the PCI 1 Rs232 Card into your PC as described in Chapter 3 Installing the Card and restart Driver...

Page 45: ...RS232 Card Chapter 8 42 InstallShield will then install the driver software as shown below Click Next Checking Your Installation Open the Control panel by clicking on Start then Settings then Control...

Page 46: ...uble click on Serial Solutions icon This window will show the Card and the ports which have been installed by the Serial Solutions driver Port Configuration Open the Control panel by clicking on Start...

Page 47: ...ch you wish to configure by clicking on it s label Click the Properties button Select the Port Settings tab Settings available in these windows are Bits per second determines the baud rate at which th...

Page 48: ...th ports is left enabled Receive Trigger Level These settings allow the selection of a receiver FIFO trigger setting Selecting a low value will allow the interrupt to be serviced quicker which is good...

Page 49: ...rol Panel open the Add Remove Programs applet then close the Control Panel Select from the list Serial Solutions PCI Click the Add Remove button Windows NT will then uninstall the Serial Solutions PCI...

Page 50: ...under Windows2000 you must be logged in as a user with Administrator level privileges if you do not have these please contact your system administrator Insert the PCI 1 Rs232 Card into your PC as desc...

Page 51: ...ter 8 48 Select Search for a suitable driver for my device Click Next Select Specify a location Click Next Type drive diskimg sswin2k where drive is the letter of the CDROM drive containing the Serial...

Page 52: ...1 Port RS232 Card Chapter 8 49 Click Next Click Yes Click Finish The Brain Boxes serial port will now be installed and messages will flash on the screen to indicate that this is happening...

Page 53: ...on click on the My Computer icon on your desktop Click on Properties Select the Hardware Tab Click on the Device Manager Button The PCI 1 port RS232 card will appear under Multi port serial adapters A...

Page 54: ...rt RS232 Card Chapter 8 51 Card Configuration Using the right hand mouse button click on the My Computer icon on your desktop Click on Properties Select the Hardware Tab Click on the Device Manager Bu...

Page 55: ...ndow the COM port assignment may be changed simply by selecting a new COM port value from the pull down menu relevant to the port However COM port usage other than those for the PCI 1 Port RS232 card...

Page 56: ...quicker which is good for slow machines If you have a fast machine setting a high value will give you more time for multi tasking operations Software Transmit Level These settings allow the selection...

Page 57: ...he Device Manager Button Double clicking on the Ports COM LPT label you will reveal a list of ports installed on your machine Double click on the port you wish to configure Select the Port Settings ta...

Page 58: ...though the maximum value selectable is 921 600 this is due to standard Windows COM port drivers being used Data Bits Parity Stop Bits Flow Control Change to suit the remote device being used Restore D...

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Page 60: ...computer industry terms Introduced in 1962 it is now widely established RS232 is a slow speed short distance single ended transmission system i e only one wire per signal Typical RS232 maximum cable l...

Page 61: ...r device Traditionally making up the cross over cable has been considered a black art However provided you have the pin outs and handshake requirements of both sides of your RS232 connection the cross...

Page 62: ...This allows the receiving device to signal when it can no longer accept data The receiving device sets DTR false when it is unable to receive any more data The sending device reads DTR on its CTS and...

Page 63: ...ter 8 60 9 Pin D Serial Port Loop Back Connector A loop back connector can be used to echo RS232 data transmitted by a serial port back into its own RS232 receiver In this way the function of the seri...

Page 64: ...D CONNECTOR 9 To 25 Way Adapter This adapter cable makes the AT style 9 pin serial port look like the standard PC 25 pin serial port It is NOT a cross over cable 9 Pin AT SERIAL PORT 25 Pin PC SERIAL...

Page 65: ...1 Port RS232 Card Chapter 8 62...

Page 66: ...3 x 17 device driver 13 14 DOS 13 DSR 3 7 59 DTR 3 7 59 E emulation 4 F FIFO 3 7 H handshake 3 58 HARDWARE 3 I installation 5 interrupts 4 L loop back 4 57 60 M Millenium 33 mode 4 modem 7 N NEWCOM S...

Page 67: ...1 Port RS232 Card Index 64...

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