Quatech RS-232 User Manual
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Quatech RS-232 User Manual

Eight channel low profile rs-232 asynchronous communications adapter for pci bus
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Eight Channel Low Profile RS-232
Asynchronous Communications Adapter
QUATECH, INC.
5675 Hudson Industrial Parkway
Hudson, Ohio 44236
ESC(LP)-100
for PCI bus
User's Manual
TEL:
FAX:
(330) 655-9000
(330) 655-9010
http://www.quatech.com

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  • Page 1 ESC(LP)-100 Eight Channel Low Profile RS-232 Asynchronous Communications Adapter User's Manual QUATECH, INC. 5675 Hudson Industrial Parkway Hudson, Ohio 44236 for PCI bus TEL: (330) 655-9000 FAX: (330) 655-9010 http://www.quatech.com...
  • Page 2 WARRANTY INFORMATION Quatech, Inc. warrants the ESC(LP)-100 to be free of defects for five (5) years from the date of purchase. Quatech, Inc. will repair or replace any board that fails to perform under normal operating conditions and in accordance with the procedures outlined in this document during the warranty period.
  • Page 3 The authors have taken due care in the preparation of this document and every attempt has been made to ensure its accuracy and completeness. In no event will Quatech, Inc. be liable for damages of any kind, incidental or consequential, in regard to or arising out of the performance or form of the materials presented in this document or any software programs that might accompany this document.

  • Page 4: Declaration Of Conformity

    Conformity is Declared: Type of Equipment: Equipment Class: Product Name: Communications Card Model Number : Quatech Inc. 5675 Hudson Industrial Parkway Hudson, Ohio 44236 (USA) 89/336/EEC * EN50081-1 (EN55022, EN60555-2, EN60555-3) * EN50082-1 (IEC 801-2, IEC 801-3, & IEC 801-4)

  • Page 5: Table Of Contents

    1 General Information 2 Hardware Configuration 3 Hardware Installation 4 Address Map and Special Registers 4.1 Base Address and Interrupt Level (IRQ) 4.2 Enabling the Special Registers 4.3 Interrupt Status Register 4.4 Options Register 4.4.1 Enhanced Serial Adapter Identification 4.4.2 Clock Rate Multiplier 5 Windows Configurations 5.1 Windows Millennium 5.2 Windows 2000...
  • Page 6 ESC(LP)-100 User's Manual...

  • Page 7: General Information

    PCI expansion bus. The ESC(LP)-100 uses Quatech's new Enhanced Serial Adapter design. Legacy serial port data rates are limited to a maximum of 115,200 bits per second. Quatech Enhanced Serial Adapters can achieve data rates as high as 921,600 bits per second.

  • Page 8: Hardware Configuration

    2 Hardware Configuration The ESC(LP)-100 is automatically configured at boot time by the computer's BIOS or operating system. There are no switches or jumpers to set for installation. See Section 5.5 for instructions on how to use Windows Device Manager to view and change resource settings. ESC(LP)-100 User's Manual...

  • Page 9: Hardware Installation

    3 Hardware Installation 1. Turn off the power of the computer system in which the ESC(LP)-100 is to be installed. 2. Remove the system cover according to the instructions provided by the computer manufacturer. 3. Install the ESC(LP)-100 in any empty PCI expansion slot. The board should be secured by installing the Option Retaining Bracket (ORB) screw.

  • Page 10: Address Map And Special Registers

    The base address and IRQ are automatically detected by the device drivers Quatech supplies for various operating systems. For cases where no device driver is available, such as for operation under DOS, Quatech supplies the "QTPCI" DOS software utility for manually determining the resources used.

  • Page 11: Enabling The Special Registers

    4.2 Enabling the Special Registers The ESC(LP)-100 contains two unique registers, an Interrupt Status Register and an Options Register. They replace the UART Scratchpad Register on accesses to register address 7. The Interrupt Status Register and Options Register are accessed through the scratchpad location of any UART.

  • Page 12: Options Register

    4.4 Options Register The Options Register allows software to identify the ESC(LP)-100 as a Quatech Enhanced Serial Adapter. It also allows software to set the UART clock rate multiplier. Figure 5 shows the structure of the Options Register. The powerup default of the Options Register is all bits zero.

  • Page 13: Clock Rate Multiplier

    4.4.2 Clock Rate Multiplier A standard RS-232 serial port operates at a clock speed of 1.8432 MHz. In order to achieve higher data rates, Quatech Enhanced Serial Adapters can operate at two times, four times or even eight times this standard clock speed.

  • Page 14: Windows Configurations

    5 Windows Configurations 5.1 Windows Millennium After inserting the ESC(LP)-100 for the first time the "Add New Hardware Wizard" will begin. Select "Search for the best driver for your device.". Check the "Removable media" and "Specify location" box. Click the "Next" button.

  • Page 15: Windows 2000

    After inserting a ESC(LP)-100 for the first time, the "Add New Hardware Wizard will appear at start up. Click the "OK" button. The “Files Needed” dialog box will be displayed. Insert the Quatech COM CD (shipped with the device). Click the "OK" button.

  • Page 16: Windows 98

    Select "Search for the best driver for your device". Click the "Next" button. On the next dialog, select the "CD-ROM DRIVE" check box. Insert the Quatech COM CD (shipped with the device) into the CD-ROM drive. Click the "Next" button. ESC(LP)-100 User's Manual...
  • Page 17 The following dialog box will display the appropriate INF file on the diskette in the drive. Click the "Next" button. Window will copy the INF file from the diskette and display a final dialog indication that the process is complete. Click the "Finish" button.

  • Page 18: Windows 95

    Click the "OK" button to continue. 3. An "Install From Disk" dialog box should pop up. Insert the diskette with the Quatech INF files on it, select the correct drive letter, and click the "OK" button. Windows 95 automatically browses the root directory for an INF file that defines configurations for Multi-function Adapters.
  • Page 19 7. You should now see the "Copying Files" dialog box as Windows 95 copies the driver files from the diskette. 8. The installation utility will ask for your Windows 95 installation disks. Serial communication ports require two drivers supplied by Microsoft to function: SERIAL.VXD and SERIALUI.DLL.

  • Page 20: Viewing Resources With Device Manager

    5.1 Viewing Resources with Device Manager This discussion applies equally to Windows 95/98/ME and 2000/XP. The following instructions provide step-by-step instructions on viewing resources used by the ESC(LP)-100 in Windows using the "Device Manager" utility. Select Start|Help from within Windows for additional information on this utility.
  • Page 21 COM5 (or higher) even if lower logical numbers are available. 7. Select any of the Quatech Serial Ports listed under the group Port (COM and LPT) and click the "Properties" button. This action opens a properties dialog for the specific COM port on the ESC(LP)-100.
  • Page 22 Figure 9 --- Device Manager Advanced Port Settings 9. Use the Logical COM Port names to access the serial ports on your ESC(LP)-100 through your software applications. Note: The Logical COM Port name is assigned to your ports by Windows . This name is required by a Windows application when accessing a particular port.

  • Page 23: Changing Resource Settings With Device Manager

    2. Double click on the hardware class Multi-Port Serial Adapters to list hardware devices in the class. 3. The ESC(LP)-100 “parent device” belongs to this hardware class. The full device name for the ESC(LP)-100 is Quatech ESC(LP)-100: Eight-Port RS-232 Serial Adapter. ESC(LP)-100 User's Manual...
  • Page 24 4. Open the Properties dialog for the ESC(LP)-100 device, then click the Resources tab to view the Input/Output Range and Interrupt Request resource allocations. Do not change these settings without specific instructions from a Quatech Technical Support Specialist. To exit without saving changes, click the “cancel” button.
  • Page 25 ESC(LP)-100 User's Manual...
  • Page 26 115,200 230,400 460,800 921,600 6. Double click the hardware class Ports (Com and LPT). Each Quatech PCI Serial Port listed in this class is a “child device” of the ESC(LP)-100 “parent device.” ESC(LP)-100 User's Manual Data Rate Multiplier Description Auto clock mode enables applications to request any baud rate up to 921,600.
  • Page 27 7. Open the Properties dialog for a COM port, then click the Port Properties tab to view the settings for that port. 8. Click the "Port Settings" tab and then click the "Advanced" button. The ESC(LP)-100 driver will display a custom Advanced Port Settings control, which allows the ports UART compatibility mode and FIFO threshold levels to be configured.
  • Page 28 ESC(LP)-100 User's Manual...

  • Page 29: Other Operating Systems

    ESC(LP)-100. The board can be used under DOS and other operating systems as well in many circumstances. The software described below can be downloaded from the Quatech web site if it did not come with the board. 6.1 Windows NT The Windows NT device driver is installed by running the SETUP program.
  • Page 30 The PCI BIOS specification can be obtained from the PCI Special Interest Group. Contact Quatech technical support for more information. ESC(LP)-100 User's Manual...

  • Page 31: Qtpci.exe

    FF80 hex and IRQ 11. The hardware revision of the ESC(LP)-100 is also displayed. Pressing the "N" key will show similar information for all non-Quatech PCI devices in the system, including those devices integrated on the motherboard. The QTPCI program is capable only of displaying the PCI configuration.
  • Page 32 Vendor and Device IDs, PCI Class Code, size of memory and I/O regions, etc. Pressing the "N" key will show similar information for all non-Quatech PCI devices in the system, including those devices integrated on the motherboard.

  • Page 33: External Connections

    7 External Connections RS-232-C devices are classified by their function as either Data Terminal Equipment (DTE) or Data Communication Equipment (DCE). Generally, data terminal equipment is defined as the communication source and data communication equipment is defined as the device that provides a communication channel between two DTE-type devices.
  • Page 34 The ESC(LP)-100 is a DTE device which connects to peripheral equipment through an adapter cable’ s eight male D-9 connectors. The standard serial port connections are listed in Figure 15. RS-232 Signal Figure 15 --- ESC(LP)-100 D-9 connector pinouts Figure 16 --- ESC(LP)-100 RJ-45 connector pinouts...

  • Page 35: Pci Resource Map

    Listed below are the PCI resources used by the ESC(LP)-100. Such information may be of use to customers writing their own device drivers or other custom software. A detailed description of the ESC(LP)-100's UARTs is available on the Quatech web site. (all numbers in hex) PCI Vendor ID:...

  • Page 36: Specifications

    9 Specifications Bus interface: Signaling Dimensions: Serial ports Controller: Interface: Eight male D-9 connectors using adapter cable Eight female 10-pin RJ-45 connectors using adapter cable Transceivers: Power requirements: Temperature: to 80° Humidity: ESC(LP)-100 User's Manual PCI, 32-bit bus, Universal Voltage IBM-compatible computers approx.
  • Page 37 -3V to +3V. The EIA/TIA-232-E standard defines a maximum signal transition time ratio of 4%; most RS-232 receivers will recognize signal transitions with much larger ratios. With a 4% signal transition time ratio, EIA/TIA-232-E is limited to a theoretical data rate of 200 kbaud.

  • Page 38: Troubleshooting

    10 Troubleshooting Listed here are some common problems and frequent causes of those problems. If the information here does not provide a solution, contact Quatech technical support. Any unauthorized repairs or modifications will void the ESC(LP)-100's warranty. Computer will not boot up.

  • Page 39: Esc(Lp)-100 User's Manual

    ESC(LP)-100 User's Manual Revision 1.12 December 2006 P/N: 940-3105-112 ESC(LP)-100 User's Manual...

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