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Quatech RS-232 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    ESC(LP)-100 Eight Channel Low Profile RS-232 Asynchronous Communications Adapte r for PCI bus User's Manual QUATECH, INC. TEL: (330) 655-9000 5675 Hudson Industrial Parkway FAX: (330) 655-9010 Hudson, Ohio 44236 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. Any damage that results fro[...]

  • Page 3

    © 2006, Quatech, Inc. NOTICE The information contained in this document cannot be reproduced in any form without the written consent of Quatech, Inc. Likewise, any software programs that might accompany this document can be used only in accordance with any license agreement(s) between the purchaser and Quatech, Inc. Quatech, Inc. reserves the righ[...]

  • Page 4

    Declaration of Conformity Manufacturer's Name: Quatech Inc. Manufacturer's Address: 5675 Hudson Industrial Parkway Hudson, Ohio 44236 (USA) Application of Council Directive: 89/336/EEC Standards to which Conformity is Declared: * EN50081-1 (EN55022 , EN60 555-2 , EN6055 5 -3 ) * EN50082-1 (IEC 801-2, IEC 801-3, & IEC 801-4) Type of Eq[...]

  • Page 5

    Table of Contents 30 10 Troubleshooting .............................. . 29 9 Specifications ................................... . 28 8 PCI Resource Map ............................. . 26 7 External Connections ......................... . 24 6.3.1 QTPCI.EXE .................................... . 23 6.3 DOS and other operating systems ..............[...]

  • Page 6

    vi ESC(LP)-100 User's Manual[...]

  • Page 7

    1 General Information The Quatech, Inc. ESC(LP)-100 provides eight RS-232 asynchronous serial communication interfaces for Low Profile I BM-compatible personal computer systems using the 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 [...]

  • Page 8

    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 2[...]

  • Page 9

    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) [...]

  • Page 10

    4 Address Map and Special Registers This chapter explains how the eight UARTs and special registers are addressed, as well as the layout of those registers. This material will be of interest to programmers writing driver software for the ESC(LP)-100. 4 . 1 Base Address and Interrupt Level (IRQ ) The base address and IRQ used by the ESC(LP)-100 are [...]

  • Page 11

    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. The DLAB bit of the UART ([...]

  • Page 12

    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. Clock rate multiplier bit 0 RR0 0 Clock rate [...]

  • Page 13

    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. This is controlled by the clock rate multiplier bits in the Options Register. Software can [...]

  • Page 14

    5 Windows Configuration s 5 . 1 Windows Mille nnium 1. After inserting the E SC(LP) - 100 for the first time the "Add New Hardware Wizard" will begin. 2. Select "Search for the best driver for your device.". Check the "Removable media" and "Specify location" box. Click the "Next" button. 3. Window w[...]

  • Page 15

    5 . 2 Windows 2000 1 . After inserting a ESC(LP)-100 for the first time, the "Add New Hardware Wizard will appear at start up. C lick the "OK" button. 2. The “Files Needed ” dialog box will be displayed. I nsert the Quatech COM CD (shipped with the device). Click the "OK" button. 3 . The following dialog box will displa[...]

  • Page 16

    5 . 3 Windows 98 1 . After inserting a ESC(LP)-100 for the first time, the "Add New Hardware Wizard will appear at start up. C l ick the "Next" button. 2 . Select "Search for the best driver for you r device". Click the "Next" button. 3. On the next dialog, select the " CD-ROM DRIVE " check box. Insert t[...]

  • Page 17

    4. The following dialog box will display the appropriate INF file on the diskette in the drive. Click the "Next" button. 5. Window will copy the INF file from the diskette and display a final dialo g indic ation that the process is complete. Click the "Finish" button. ESC(LP)-100 User's Manual 11[...]

  • Page 18

    5 . 4 Windows 95 Windows 95 maintains a registry of all known hardware installed in your computer. Inside this hardware registry Windows 95 keeps track of all of yo ur system resources, such as I/O locations, IRQ levels, and DMA channels. The "Add New Hardware W izard" utility in Windows 95 was designed to add new hardware and update this[...]

  • 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 u tility will ask for your Windows 95 installation disks. Serial communication ports require two drivers supplied by Microsoft to function: SERIAL.VXD and SERIALUI.DLL. Insert the disk or CD and click "O[...]

  • Page 20

    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 utili[...]

  • Page 21

    Figure 8 --- Windows Device Manager 6 . The ESC(LP)-100 serial ports are also listed under the group Ports ( COM and LPT). Windows 95 does not assign COM1 - COM4 to ports addressed at nonstandard locations. The ESC(LP)-100 ports will be enumerated starting with COM5 (or higher) even if lower logical numbers are available. 7 . Select any of the Quat[...]

  • Page 22

    Figure 9 --- Device Manager Advanced Port Settings 9 . Use the Logical COM Port n ames 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 p ort. ESC(LP)-100 User's Man[...]

  • Page 23

    5 . 1 . 1 Changing Resource Settings with Device Manager 1 . Start the Windows 95/98/ME 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: Ei[...]

  • 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. 5 . Open the Prope[...]

  • Page 25

    ESC(LP)-100 User's Manual 19[...]

  • Page 26

    The X8 clock mode locks the ports hardware clock at eight times the standard rate. The baud rate the port runs at will always be eight times the rate requested by the application. This mode is useful for legacy applications which cannot request baud rates over 115.200. 921,600 X8 The X4 clock mode locks the ports hardware clock at four times the st[...]

  • 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 thresh[...]

  • Page 28

    ESC(LP)-100 User's Manual 22[...]

  • Page 29

    6 Other Operating Systems Device drivers for Windows NT and OS/2 are also available for the 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 [...]

  • Page 30

    necessary configuration information. 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 24[...]

  • Page 31

    6 . 3 . 1 QTPCI.EXE Quatech's "QTPCI" utility supplies the information required when modifying the serial port settings of the applicatio n. This program should be run from real DOS , not in a Windows DOS box. Figure 1 1 shows the Basic Mode display for the ESC(LP)-100 after the "Q" key has been pressed. In this example, th[...]

  • Page 32

    Figure 1 2 shows the Expert Mode display for the ESC(LP)-100 after the "Q" key has been pressed. The information from the Basic Mode display is presented along with more details such as the 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-[...]

  • Page 33

    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 a n adapter cable ’ s eight male D- 9 connectors. The standard serial port connections are listed in Figure 1 5 . 6 5 GND 2 9 RI 10 1 DCD 5 6 DSR 7 4 DTR 3 8 CTS 4 7 RTS 9 2 RxD 8 3 TxD RJ-45 D- 9 RS-232 Signal Figure 15 --- ESC(LP)-100 D-9 connector pinouts Figure 16 [...]

  • Page 35

    8 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: 0x135C Quatech, Inc. PCI Device ID: 0x0[...]

  • Page 36

    9 Specifications Bus interface: PCI, 32 -bit bus , Universal Voltage Signaling IBM - compatible computers Dimensions: approx . 5.0" x 2.5 " Serial ports Controller: 16750-compatible with 64 -byte FIFOs Interface: One female 68-pin VHDCI connector to: Eight male D- 9 connectors using adapter cable -or- Eight female 10-pin RJ-45 connec tors[...]

  • Page 37

    4800 4300 3300 1570 800 115.2 2000 1630 1100 900 330 230.4 1100 900 670 430 100 460.8 470 430 300 100 N/A 921.6 25% trans time 20% trans time 15% trans time 10% trans time 4% trans time Maximum Load (pF) Data Rate (kbaud ) Note 1: The signal transition time ratio is defined as the percentage of the unit interval or bit time ( the inverse of the dat[...]

  • Page 38

    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 ES C (LP)-100's warranty. Computer will not boot up. 1 . Is the ESC(LP)-100 properly inserted? Remove the [...]

  • Page 39

    ESC(LP)-100 User's Manual Revision 1. 12 Decem ber 2006 P/N: 940-3105-1 12 ESC(LP)-100 User's Manual 33[...]