Quatech Asynchronous Communications Adapter QSCLP-100 User Manual
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Quatech Asynchronous Communications Adapter QSCLP-100 User Manual

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

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  • Page 1 QSC(LP)-100 Four 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 QSC(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 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

    Application of Council Directive: Standards to which Conformity is Declared: Type of Equipment: Equipment Class: Product Name: 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, &...

  • Page 5: Table Of Contents

    1 General Information 2 Hardware Configuration 2.1 Factory Default Configuration 2.2 Enable Scratchpad Register (SPAD, J2) 2.3 Force High-Speed UART Clock (X2, X4, or X8, J3-J5) ........... 3 Hardware Installation 4 Address Map and Special Registers 4.1 Base Address and Interrupt Level (IRQ)

  • Page 6: General Information

    The QSC(LP)-100 is supported under several popular operating systems and environments. Contact the sales department for details on current software offerings. Most device drivers are available for download from the Quatech world wide web site at http://www.quatech.com. QSC(LP)-100 User's Manual...

  • Page 7: Hardware Configuration

    2 Hardware Configuration The QSC(LP)-100 is automatically configured at boot time by the computer's BIOS or operating system. There are no required switches or jumpers to set for installation. This chapter lists a number of optional jumper settings that control various hardware features.

  • Page 8: Force High-Speed Uart Clock (X2, X4, Or X8, J3-J5)

    2.3 Force High-Speed UART Clock (X2, X4, or X8, J3-J5) These jumpers force an increase of the UART input clock frequency by a factor of two, four, or eight. This feature can allow legacy software to use baud rates above 115,200 bits per second. It is also useful if the serial port device driver does not directly support setting the higher baud rates through the Options Register (see section 4.4).

  • Page 9: Hardware Installation

    3 Hardware Installation 1. Turn off the power of the computer system in which the QSC(LP)-100 is to be installed. 2. Remove the system cover according to the instructions provided by the computer manufacturer. 3. Make any desired optional jumper setting changes. 4.

  • 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. See section 6.3.1 for details.

  • Page 11: Enabling The Special Registers

    4.2 Enabling the Special Registers The QSC(LP)-100 contains two unique registers, an Interrupt Status Register and an Options Register. These registers are enabled when the SPAD jumper (J6) is removed (factory default). 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 QSC(LP)-100 as a Quatech Enhanced Serial Adapter. It also allows software to set the UART clock rate multiplier. Figure 9 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 QSC(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. Window will locate the proper INF file and copy the file from the CD.

  • Page 15: Windows 2000

    After inserting a QSC(LP)-100 for the first time, the "Add New Hardware Wizard will appear at start up. Click the "OK" button. The following dialog box will appear. 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. QSC(LP)-100 User's Manual...

  • Page 17: Windows 95

    1. After booting the computer with a newly-installed QSC(LP)-100, the "New Hardware Found" dialog box will appear. If you have never installed a Quatech PCI communications adapter before, the dialog box may simply indicate that it has found a "PCI Card."...

  • Page 18: Viewing Resources With Device Manager

    3. An "Install From Disk" dialog box should pop up. Insert the disk 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 The following instructions provide step-by-step instructions on viewing resources used by the QSC(LP)-100 in Windows using the "Device Manager" utility. Select Start|Help from within Windows for additional information on this utility. 1. Double click the "System" icon inside the Control Panel folder. This opens up the System Properties box.
  • Page 20 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 QSC(LP)-100.
  • Page 21 Figure 13--- Windows Device Manager 9. Use the Logical COM Port names to access the serial ports on your QSC(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 22: 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 QSC(LP)-100 “parent device” belongs to this hardware class. The full device name for the QSC(LP)-100 is Quatech QSC(LP)-100: Four-Port RS-232 Serial Adapter. QSC(LP)-100 User's Manual...
  • Page 23 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. 5. Open the Properties dialog for the QSC(LP)-100 device, then click the Advanced tab to view the clock rate settings.
  • Page 24 Clock Mode Max bps Auto 921,600 115,200 230,400 QSC(LP)-100 User's Manual Data Rate Multiplier Description Auto clock mode enables applications to request any baud rate up to 921,600. The hardware drivers will select the correct clock multiplier based on the baud rate requested The X1 clock mode mimics a standard COM port.
  • Page 25 921,600 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 QSC(LP)-100 “parent device.” 7. Open the Properties dialog for a COM port, then click the Port Properties tab to view the settings for that port.
  • Page 26 8. Click the "Port Settings" tab and then click the "Advanced" button. The QSC(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. The threshold values of full-scale for the transmit buffer and ¾-scale for the receive buffer are optimal for most applications.
  • Page 27 QSC(LP)-100 User's Manual...

  • Page 28: Other Operating Systems

    QSC(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 29: Qtpci.exe

    FF80 hex and IRQ 11. The hardware revision of the QSC(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. It cannot be used to make changes.
  • Page 30 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. In this example, the "Base addr 0"...

  • Page 31: 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 32 The QSC(LP)-100 is a DTE device which connects to peripheral equipment through a single female D-44 connector, or using the adapter cable, four male D-9 connectors. The standard serial port connections are listed in Figure 18. Port 1 RS-232 Signal D-44 Figure 18 --- QSC(LP)-100 connector pinouts QSC(LP)-100 User's Manual...

  • Page 33: Pci Resource Map

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

  • Page 34: Specifications

    9 Specifications Bus interface: Dimensions: Serial ports Controller: Interface: Transceivers: Power requirements Temperature: Humidity: QSC(LP)-100 User's Manual PCI, 32-bit bus, Universal Voltage Signaling IBM-compatible computers approx. 5.0" x 3.7" 16550 with 16-byte FIFOs One female D-44 connector Four male D-9 connectors using adapter cable ICL3245CA High-level output:...
  • Page 35 Data Rate (kbaud) 921.6 460.8 230.4 115.2 Note 1: The signal transition time ratio is defined as the percentage of the unit interval or bit time (the inverse of the data rate) that is occupied by the signal transitioning from -3V to +3V. The EIA/TIA-232-E standard defines a maximum signal transition time ratio of 4%;...

  • Page 36: 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 QSC(LP)-100's warranty. Computer will not boot up.
  • Page 37 QSC(LP)-100 User's Manual Revision 1.12 November 2006 P/N: 940-0180-112 QSC(LP)-100 User's Manual...

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