Quatech DSU-200 User Manual

Freedom usb serial adapter 1-, 2-, 4-, 8-, and 16-port
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CONNECT WITH
RELIABILITY
Freedom USB Serial Adapter
User's Manual
SSU/DSU/QSU/ESU/HSU-100/200/300
1-, 2-, 4-, 8-, and 16-Port
QUATECH, INC.
5675 Hudson Industrial Parkway
Hudson, Ohio 44236-5012
Toll free: 1-800-553-1170
TEL: (330) 655-9000
FAX: (330) 655-9010
http://www.quatech.com.
SSU/DSU/QSU/ESU/HSU-100/200/300
User's Manual P/N: 940-0155-202

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Summary of Contents for Quatech DSU-200

  • Page 1 CONNECT WITH RELIABILITY Freedom USB Serial Adapter User’s Manual SSU/DSU/QSU/ESU/HSU-100/200/300 1-, 2-, 4-, 8-, and 16-Port QUATECH, INC. 5675 Hudson Industrial Parkway Hudson, Ohio 44236-5012 Toll free: 1-800-553-1170 TEL: (330) 655-9000 FAX: (330) 655-9010 http://www.quatech.com. SSU/DSU/QSU/ESU/HSU-100/200/300 User’s Manual P/N: 940-0155-202...
  • Page 2 Copyright Copyright © 1998 - 2004, Quatech, Inc. All rights are reserved. The information contained in this document cannot be reproduced in any form without the written consent of Quatech, Inc. 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.
  • Page 3: Table Of Contents

    Table of contents Introduction ----------------------------------------------------------------------------------------------------------------------- 1 System requirements ----------------------------------------------------------------------------------------------------- 2 Features ---------------------------------------------------------------------------------------------------------------------- 2 IND option - surge suppression upgrade ---------------------------------------------------------------------- 2 Installing the Freedom USB ------------------------------------------------------------------------------------------------- 3 Installing under Windows XP ------------------------------------------------------------------------------------------ 3 Uninstalling from Windows XP ---------------------------------------------------------------------------------- 9 Installing under Windows 2000 --------------------------------------------------------------------------------------10 Uninstalling from Windows 2000 -------------------------------------------------------------------------------17 Installing under Windows NT-----------------------------------------------------------------------------------------17 Installing under Windows Me-----------------------------------------------------------------------------------------18...
  • Page 4 Figure 6 - Win XP Finished installing prompt ... 7 Figure 7 - Win XP Install software for USB serial port prompt... 7 Figure 8 - Win XP Searches for Quatech serial port screen ... 8 Figure 9 - Win XP Installation complete prompt ... 9 Figure 10 - Win 2000 Found new hardware prompt ...
  • Page 5 Quatech Freedom USB Adapter User’s Manual Table of contents Figure 50 - Win XP/2000 USB serial port, Driver file details box... 39 Figure 51 - Win 98/98SE/Me USB serial port properties, General tab... 40 Figure 52 - Win 98/98SE/Me USB serial port properties, USB Serial Port Settings tab ... 40 Figure 53 - Win 98/98SE/Me USB serial port properties, USB Serial Port Advanced Options box ...
  • Page 6: Introduction

    UART. Rev 2.02 (2/24/2004) This Users Manual describes how to setup and install your Quatech Freedom USB Adapter. The Quatech SSU-100, DSU-100, QSU-100, ESU-100, and HSU-100, respectively, provide one, two, four, eight, and sixteen independent RS-232 serial interfaces to the host PC via the Universal Serial Bus (USB) port.
  • Page 7: System Requirements

    USB port or an add-in USB host adapter. Contact our 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/. Quatech offers an IND option, or surge-suppression board upgrade, to provide improved performance and industrial-grade reliability.
  • Page 8: Installing The Freedom Usb

    Installing the Freedom USB Note: The installation process takes place in two stages: the serial adapter board and then the serial ports. Caution! Be sure to allow the installation process to finish without interruption. stop process before the adapter board(s) and all of the serial ports installed, will...
  • Page 9: Figure 1 - Win Xp Found New Hardware Prompt

    Freedom USB serial adapter. Step Procedure Step 4 Insert the Quatech installation CD into your CD-ROM drive. Step 5 Click the Next button. Figure 2 illustrates the Win XP Choose your search and installation prompt.
  • Page 10: Figure 3 - Win Xp Searches Drivers Prompt

    Step Procedure Step 6 Select Search removable media (floppy, CD-ROM). Step 7 Click the Next button. Figure 3 illustrates the Win Searches drivers prompt. When Wizard finds Freedom drivers, this screen disappears. Step Procedure Step 8 The Wizard locates and starts to install the necessary software, then notifies you that Windows XP has not certified the software.
  • Page 11: Figure 4 - Win Xp Software Logo Warning

    XP Logo testing warning. This indicates only that Windows has not certified the Freedom USB. Rest assured that Quatech’s drivers work properly with Windows XP. Step Procedure Step 9 Click the Continue Anyway button. Step 10 The Wizard proceeds with the installation.
  • Page 12: Figure 6 - Win Xp Finished Installing Prompt

    Figure 6 shows the Win XP Finished installing prompt. It indicates that the serial USB adapter has been successfully installed. Step Procedure Step 11 Press the Finish button to continue. Figure 7 indicates that the wizard is ready to install the USB ports.
  • Page 13: Figure 8 - Win Xp Searches For Quatech Serial Port Screen

    2000. XP for USB\Enhanced. Replace E: with your CD-ROM drive designation. The wizard prompts you to wait while it searches for serial USB port drivers. Figure 8 - Win XP Searches for Quatech serial port screen Description Rev 2.02 (2/24/2004)
  • Page 14: Uninstalling From Windows Xp

    2. Press the Hardware tab. 3. Click on Device Manager. 4. Scroll down to Multi-port serial adapters and expand. 5. Highlight your Quatech Freedom USB; for example, QSU-100 Quad RS-232 Serial Ports (Group ID1). 6. Select the Action menu option.
  • Page 15: Installing Under Windows 2000

    Installing under Windows 2000 Step Procedure Step 1 Turn on the power to your computer system. Step 2 Plug the wide flat end of the USB cable into the downstream connector. Step 3 Plug the square end of the USB cable into the back of the Freedom USB box.
  • Page 16: Figure 11 - Win 2000 Search For Or Display Drivers Prompt

    Figure 11 shows the Win 2000 Search for or display drivers prompt. Step Procedure Step 5 Insert the Quatech installation CD into your CD-ROM drive. Step 6 Select Search for a suitable driver for my device (recommended) Step 7 Click the Next button.
  • Page 17: Figure 13 - Win 2000 Finished Searching For Driver Files Prompt

    Step Procedure Step 8 Select CD-ROM drives. Step 9 Click the Next button. Figure 13 illustrates the Win 2000 Finished searching for driver files prompt. Step Procedure Step 10 Click the Next button. Step 11 The Wizard locates and starts to install the necessary software, then notifies you that Windows 2000 has not certified the software.
  • Page 18: Figure 14 - Win 2000 Software Logo Warning

    2000 Logo test warning. This indicates only that Windows has not certified the Freedom USB. Rest assured that Quatech’s drivers work properly with Windows 2000. Step Procedure Step 12 Click the Yes button. Step 13 The Wizard proceeds with the installation.
  • Page 19: Figure 16 - Win 2000 Install Software For Usb Serial Port Prompt

    USB ports. Step Procedure Step 15 Make sure that the Quatech CD is still in your CD-ROM drive. Step 16 Click the Next button to continue. Figure 17 illustrates the Win 2000 Search for or display device driver prompt.
  • Page 20: Figure 18 - Win 2000 Locate Driver Files Prompt

    Step Procedure Step 17 Select Search for a suitable driver for my device (recommended) Step 18 Click the Next button. Figure 18 illustrates the Win 2000 Locate driver files prompt. Step Procedure Step 19 Select CD-ROM drives. Step 20 Click the Next button. Rev 2.02 (2/24/2004) Description The Locate driver files prompt displays.
  • Page 21: Figure 19 - Win 2000 Finished Searching For Driver Files Prompt

    Figure 19 illustrates the Win 2000 Finished searching for driver files prompt. Step Procedure Step 21 Click the Next button. Figure 20 displays when the file copying process is finished. Page 16 Figure 19 - Win 2000 Finished searching for driver files prompt Description The wizard completes the installation and displays the Installation complete...
  • Page 22: Uninstalling From Windows 2000

    Hardware wizard and click Next. 2. Choose Uninstall/Unplug a device. Click Next. 3. Choose Uninstall a device. Click Next. 4. Scroll down to Quatech Freedom USB Serial Adapter; for example, QSU-100 Quad RS-232 Serial Ports (Group ID2). Select and click Next.
  • Page 23: Installing Under Windows

    Freedom USB under Win Me. Step Procedure Step 4 Insert the Quatech installation disk in your CD-ROM drive. Step 5 Check the Automatic search for a better driver (Recommended) checkbox and click the Next button.
  • Page 24: Figure 22 - Win Me Driver File Search Prompt

    Figure 22 shows the Win Me Driver file search prompt. If Windows finds the files for you automatically, this screen notifies you that Windows is installing the software. If you specify a driver location, this screen displays that location. It also offers you the chance to press Back to select a different driver or to press Next to begin the installation...
  • Page 25: Figure 24 - Win Me Ready To Install Prompt

    Figure 24 shows the Win Me Found new hardware prompt. You can choose to either have Windows automatically search for a driver or to specify the location of the driver you want to use. Step Procedure Step 8 Check the Automatic search for a better driver (Recommended) checkbox and click the Next button.
  • Page 26: Uninstalling From Windows Me

    1. From the Control Panel, select System. 2. Select the Device Manager tab. 3. Expand Multifunction adapters. 4. Highlight Quatech Freedom USB; for example, QSU-100 USB-to- Serial Converter. Click Remove. 5. Click OK at the Confirmation screen. Note that this also removes all the serial ports associated with your Freedom USB.
  • Page 27: Installing Under Windows 98/98Se

    Installing under Windows 98/98SE Step Procedure Step 1 Turn on the power to your computer system. Step 2 Plug the wide flat end of the USB cable into the downstream connector. Step 3 Plug the square end of the USB cable into the back of the Freedom USB box.
  • Page 28: Figure 28 - Win 98/98Se Search Or Select Prompt

    Figure 28 shows the 98/98SE Search or select prompt with the Search for the best driver option selected. Step Procedure Step 5 Select Search for the best driver for your device (Recommended); then click the Next button. Figure 29 shows the Search for new drivers prompt.
  • Page 29: Figure 30 - Win 98/98Se Ready To Install The Best Driver Prompt

    Step Procedure Step 7 Insert the Quatech installation CD into your CD-ROM drive. Step 8 Browse or use the down arrow to map to the correct driver location. Step 9 Click the Next button. Figure 30 shows the 98/98SE Ready to install the best driver...
  • Page 30: Figure 31 - Win 98/98Se Finished Installing Software Prompt

    Figure indicates that Windows has finished installing the software for your USB’s adapter board. Next it will install each serial port Step Procedure Step 11 Click the Finish button. Figure 32 shows the start of the serial port installation process. Step Procedure Step 12...
  • Page 31: Figure 33 - Win 98/98Se Search Or Display Prompt

    Figure 33 shows the 98/98SE Search or display prompt. Step Procedure Step 13 Select Search for the best driver for your device; then click the Next button. Figure 34 shows the 98/98SE Search for new drivers prompt. If Windows finds the files for you automatically, this screen notifies you that Windows is installing the software.
  • Page 32: Figure 35 - Win 98/98Se Ready To Install Prompt

    Step Procedure Step 15 Make sure that the Quatech installation CD is still in your CD-ROM drive. Step 16 If necessary, browse or use the down arrow to map to the correct driver location. Click the Next button. Figure 35 shows the 98/98SE...
  • Page 33: Uninstalling From Windows 98/98Se

    2. Select the Device Manager tab. 3. Scroll down to Multi-port serial devices and expand. 4. Highlight Quatech Freedom USB; for example, QSU-100 USB-to- Serial Converter. Click Remove. 5. Click OK at the Confirmation screen. Note that this also removes all the serial ports associated with your Freedom USB.
  • Page 34: Making External Connections

    Making external connections RS-232 serial connections Figure 38 illustrates role of DTE and DCE devices in a communications link. Note: A DTE devices is the communication source. A DCE device provides a communication channel between two DTE-type devices. Note: In many applications, DCEs are unnecessary.
  • Page 35: Rs-422/485 Serial Connections

    Figure 39 illustrates the RS- 232C pinouts for typical DTE- to-DCE and DTE-to-DTE (null modem) cables with 25-pin connectors. RS-422/485 serial connections Note: Refer Advanced Options using Device Manager details software- selectable advanced options. Page 30 See Figure 39 on the following page for a typical null modem cable. Figure 39 - Cabling requirements for RS-232C devices The Freedom USB-200/300 RS-422/485 adapters all come with standard female DB-9 connectors.
  • Page 36: Configuring Termination Resistors

    Configuring termination resistors Note: access adapter directly, remove the four screws on the bottom of the box and open the top cover. Rev 2.02 (2/24/2004) All ports RS-422/485 signal description DB-9 Auxiliary Input (AuxIn–) Factory installed resistors allow for Freedom USB-200/300 signal line termination in compliance with RS-422 and RS-485 standards.
  • Page 37: Testing Db-9 Serial Ports In Hyperterminal

    Testing DB-9 serial ports in HyperTerminal Note: You can use any conductive wire to make the necessary connections – even a paperclip! Testing RS-232 ports Making a Freedom USB-100 loopback Step Procedure Step 1 Turn off the computer. Step 2 Connect RxD (pin 2) and TxD (pin 3) of serial port 1.
  • Page 38: Testing Rs-422/485 Ports

    Testing RS-422/485 ports Making a loopback Step Procedure Step 1 Turn off the computer. Step 2 Connect the following signals on serial port 1. Repeat for each serial port. AuxOut+ (pin 1) to AuxIn+ (pin 5) TxD+ (pin 2) to RxD+ (pin 4) TxD–...
  • Page 39: Using Device Manager

    Using Device Manager Accessing Device Manager Win XP and 2000 Step Procedure Step 1 Select Start – Control Panel. Step 2 Double click the System icon. Step 3 Click the Hardware tab, and then press the Device Manager button. Win 98, 98SE, and Me Step Procedure Step 1...
  • Page 40: Figure 44 - Win Xp/2000 Device Manager Usb Serial Port Properties, General Tab

    Figure 44 illustrates the In Win XP/2000 General Tab, which tells you whether the Freedom USB is working properly and allows you to determine the device usage: Use this device (enable) Do not use this device (disable) This dialog box also contains a link to Window’s generic hardware troubleshooter Step...
  • Page 41: Figure 46 - Win Xp/2000 Rs-232 Advanced Options Dialog Window

    Figure 46 illustrates the Win XP/2000 USB Serial Ports Advanced Options box, which lets you set the data rate multiplier: Step Procedure Step 4 The RS-232 USB Serial Port Advanced Options dialog box lets you set the data rate multiplier and restore the default settings.
  • Page 42: Figure 47 - Win Xp/2000 Usb Serial Port, Port Settings Box

    Figure 47 illustrates the Win XP/2000 USB Ports Settings box, which lets you set the default port settings, view the advanced options, and restore the default settings. Step Procedure Step 9 This Port Settings tab allows you to set default values for the following: Bits per second Data bits Parity...
  • Page 43: Figure 49 - Win Xp/2000 Usb Serial Port Properties, Driver Box

    Step Procedure Step 12 Click the Driver tab to view the driver information and update the driver. Figure 49 illustrates the Win XP/2000 USB Serial Ports Driver box, which lets you view the driver details and update, roll back (XP only), and uninstall the driver: Step...
  • Page 44: Win 98, 98Se, And Me

    Double click the desired port. Rev 2.02 (2/24/2004) Figure 50 - Win XP/2000 USB serial port, Driver file details box Description Quatech is the provider. This is the version of the installed software. Indicates whether Microsoft has approved this version.
  • Page 45 Figure 51 illustrates the Win 98/98SE/Me General tab, which tells you whether the Freedom USB is working properly and allows you to determine the device usage: Disable in this hardware profile Exists in all hardware profiles Step Procedure Step 3 Click the USB Serial Port Settings tab to view the port setting properties.
  • Page 46 Step Procedure Step 4 The USB Serial Port Settings tab allows you to set default values for the following: Bits per second Data bits Parity Stop bits Flow control Step 5 Click the Advanced button to open the Advanced Options dialog box. Figure 53 illustrates the Win 98/98SE/Me RS-232 USB Serial Ports Advanced...
  • Page 47 Step Procedure Step 6 Click Cancel to return to the USB Serial Port Settings properties dialog box. Step 7 You have three additional options: Click the Restore Defaults button to restore the selected port to the default settings. Click the Driver tab to view the driver information and update the driver.
  • Page 48 Figure 56 illustrates the Win 98/98SE/Me USB Serial Ports Driver Details box, which tells you the name and location of the driver files, the provider, file version, and copyright date. Step Procedure Step 8 Click OK to close the Driver file details box.
  • Page 49: Setting Advanced Options

    Setting advanced options Notes: Changing any setting in the advanced options window affects ports Freedom USB adapter. Data Rate Multiplier Notes: We recommend leaving the Data Rate Multiplier in Auto mode unless application specifically requires otherwise. Auto (default) Note: This setting is suitable for most applications.
  • Page 50: Duplex Mode (Dsu/Qsu/Esu/Hsu-200/300 Only)

    All Loopback (default) Modem Control Duplex Mode (DSU/QSU/ESU/HSU-200/300 only) Full Duplex (default) Half Duplex using RTS Half Duplex using DTR Half Duplex Automatic Transmitter Control Rev 2.02 (2/24/2004) Select this radio button when only transmit and receive data signaling is required. Each UART's RTS output is internally looped back to its CTS input.
  • Page 51 Using configuration utilities Quatech Freedom USB-1/2/300 User’s Manual This option is valid for baud rates in the range of 2400 bps to 115200 bps. If this box is not checked, the software application is responsible for manually switching RTS or DTR as needed.
  • Page 52: Troubleshooting

    The USB port is faulty. Rev 2.02 (2/24/2004) This section lists some common problems and their causes. If the information below does not provide a solution, contact Quatech technical support. Solution Check the Freedom USB cables to make sure that they are connected correctly.
  • Page 53: Appendix

    Quality of and length of cables Continuous or “bursty” data SSU-100: 1 DSU-100: 2 QSU-100: 4 ESU-100 HSU-100 16 DSU-200/300: 2 QSU-200/300: 4 ESU-200/300 HSU-200/300 16 One 16650 UART with 16-byte FIFO per port RS-232 Output Voltage Swing: +/–5V min, +/–7V typical RS-232 Input Voltage Range: –15V min, +15V max...
  • Page 54 Connectors Dimensions Power Requirements Power Requirements, cont. Temperature: Humidity OS Support Rev 2.02 (2/24/2004) SSU/DSU/QSU/ESU/HSU-100 DB-9 Male Connectors DSU/QSU/ESU/HSU-200-300 DB-9 Female Connectors 3.6” L x 1.7” W x 1.0” H (SSU) 7.2” L x 4.3” W x 1.0” H (DSU/QSU) 9.3”...
  • Page 55: Appendix

    Quatech, Inc. warrants the SSU/ DSU/QSU/ESU/HSU-100/200/300 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.

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