B&B Electronics DSU2-400
Contents
1. 15 Windows XP and 2000 15 Setting advanced options MEI adapters only 21 Operating Mode MEI adapters only 21 Receiver active MEI adapters only 22 AuxOut AuxIn MEI adapters only 2 nen en een en enn n ene n nen nn ee ne nnn ee ne nnnee 23 Troubleshooting 2 2 0e nen nn nnn n ene n enn n een n ene n ene n nen n nnn e nnn en nen nne nnn nnnnnnennneenenanee 24 Appendix A 2 2 nn nn nen nn nnn n ene n nen n ene en nnn e nen n een nn en ne nen ennennnnnnn nn nnnnnnnnennananennannnnennns 25 Specifications 2 22 nc ec ec ence cence ncn nnn cence nn nce enna nen ne ec eeeneec ees 25 Appendix B 020n en ne nnn en nen nn enn n ene e nen n enn n enn e nnn n nee n enna nen nne nnn nnnnnnenaneanennnnenannnnennns 27 Warranty information 202 en nnn nnn n enn n enn n ene n ene n een n ene n ene n nen nnenneneneenenanee 27 Pagei Rev 1 00 August 2006 Table of Contents Quatech USB to Serial Adapter User s Manual Figures Figure 1 Windows XP Found new h2. 2 Installing the USB to Serial Adapter 4 44 44 4 44 44 74 741 41 141 1111111 3 Installing under Windows XP 4 4 7 3 Installing under Windows 2000 4 4 4 4 4 44 44 741 7441 41114111 7 Uninstalling under Windows 2000 or Windows XP 11 Making external connections 7 7 12 RS 232 serial connections 2 2 enn n nnn n nnn n enn n ene n ene n ene n nen n en ne nen ennennnennenanee 12 RS 422 485 serial connections 2 n nen en enn n nnn n ene n een n enn n ene n een 1411111 13 Testing DB 9 serial ports in HyperTerminal 14 Running Hyperterminal 22 0n nen nn nen en ene e nnn n een n ene e nen n nen n ee ne ne nenees 14 Using Device Manager 2 22 2e ee ne ence tenn tenn tenn tenn tenn tenn tenn tenn tenn ee ne ne ee tenn ne ee ee ee ne ee ee 15 Accessing Device Manager 2 220 22 2c eno nonce nc ncn c nce cence rence ncn ne renee cc rene ences 15 Exploring Device Manager screens 7 47
3. 7 CTS 8 CTS CTS 8 DSR 6 _ 6 DTR 4 DTR DTR 4 DTR 4 4 DSR 6 DSR DSR 6 DCD 1 1 DCD 1 DCD DCD 1 RI 9 9 RI 9 RI RI 9 GND 5 5 GND 5 GND GND 5 Typical DTE to DCE cable Typical DTE to DTE cable straight through null modem RS 422 485 serial connections Note Refer to Advanced Options using Device Manager for details on software selectable advanced options Note Pins labeled DNC Do Not Connect are indeterminate in two wire mode and should be left unconnected Rev 1 00 August 2006 Quatech USB to Serial adapters provide four differential communication signals either RS 422 or RS 485 per channel Transmit Data TxD and Auxiliary Output AuxOut are the two output signals Receive Data RxD and Auxiliary Input AuxIn are the two input signals The adapters also provide a ground signal The AuxOut pair can carry the UART s RTS signal The AuxIn pair can carry the UART s CTS signal Alternatively the AuxOut pair can be configured to internally loopback to the AuxIn pair with the UART s RTS signal also looped back to its CTS signal The following table shows the RS 422 485 connector definitions Table 5 RS 422 485 signals on DB 9 connector RS 422 485 signal description four wire mode DB 9 RS 422 485 signal description two wire mode Auxiliary Input AuxIn 1
4. Terminal Modem pre fs 2326 DCE Telephone Terminal Modem me DTE RS 232C DCE Quatech USB to Serial adapters are DTE devices that connect to peripheral equipment through a male DB 9 connector The following table lists the serial port connector definitions Table 4 RS 232 signals on DB 9 connector Te b RS 232 signal description Data Carrier Detect DCD Receive Data RxD Transmit Data TxD Data Terminal Ready DTR Signal Ground GND Data Set Ready DSR Request To Send RTS Clear To Send CTS Ring Indicator RI ojo naan Fl wlywle g Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Note In many applications DCEs are unnecessary This allows you to use a null modem cable modem eliminator cable to directly connect two DTE type devices Figure 14 illustrates the RS 232 pinouts for typical DTE to DCE and DTE to DTE cables with 9 pin connectors Making external connections DTE and DCE type devices have complementary pinouts that allow terminals and modems to connect directly using a one to one cable as shown in Figure 14 Two DTE type devices can be connected by a null modem cable A typical null modem cable is also shown in the figure Figure 14 Cabling requirements for RS 232 devices TxD 3 __ 3 RxD 2 RxD RxD 2 RxD 2 __ _ 2 TxD 3 TxD TxD 3 CTS 8 8 RTS 7 RTS RTS 7 RTS 7
5. Serial adapter Installing the software Follow these steps to install the USB to Serial adapter under Windows 2000 Q Step1 Turn on the power to your computer Q Step2 Plug the wide flat end of the USB cable into the downstream connector Description This is the system in which the device is to be installed This is the connector located on the back of the computer of USB hub Q Step3 Plug the square end of the USB cable into Windows tells you that it has found new the back of the USB to Serial adapter hardware and launches the Add New Hardware Wizard The Found new hardware prompt displays Figure 6 Windows 2000 Found new hardware prompt Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install a device driver for a hardware device To continue click Next lt Back Cancel Step Procedure Q Step4 Click the Next button Rev 1 00 August 2006 Description The Search for or display drivers prompt displays Page 7 Installing the software Quatech USB to Serial Adapter User s Manual Figure 7 Windows 2000 Search for or display drivers prompt Found New Hardware Wizard Figure 7 shows the Windows 2000 Search for or display Install Hardware Device Drivers ee drivers prompt 4 device driver is a software program that enables a hardware device to work with SY an operating system This wizard will complete the installation fo
6. signature status of the driver Step Q Step 15 Q Step 16 Page 20 Procedure gt Update the device drivers gt Uninstall your USB to Serial adapter gt Return to the previously installed driver XP only gt Save your changes and exit gt Abandon your changes and return to the Device Manager Click the Driver Details button to view detailed driver information Quatech USB to Serial Adapter User s Manual Description Don t use this option Uninstall the entire device instead by using the Driver dialog for the multiport serial adapter The Driver File Details dialog box opens See the following figure Figure 21 Windows XP 2000 USB serial port Driver file details box Driver File Details J USB Serial Port COM5 Driver files Quatech Incorporated 7 00 C AWINDOWS System32 DRIVERS qtucompt sys Copyright 2001 2006 Quatech Incorporated Not digitally signed Procedure The Driver File Details dialog box displays the following information gt Provider gt File version gt Copyright gt Digital Signer Windows XP only Click OK to return to the Driver tab Click Cancel to close the dialog Description Quatech is the provider This is the version of the installed software Indicates whether Microsoft has approved this version Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Using configuration utilities Setting a
7. DNC Receive Data RxD 2 DNC _ Transmit Data TxD 3 Transmit Receive Data Data Auxiliary Output AuxOut 4 DNC Signal Ground GND 5 Signal Ground GND Receive Data RxD 6 DNC Auxiliary Output AuxOut 7 DNC Auxiliary Input AuxIn i 8 DNC Transmit Data TxD 9 Transmit Receive Data Data Page 13 Making external connections Testing DB 9 serial ports in HyperTerminal Quatech USB to Serial Adapter User s Manual This section explains how to test the functionality of your USB to Serial adapter using Hyperterminal for RS 232 ports and RS 422 485 ports An RS 232 loopback connector is included with the USB to Serial adapter For MEI models an RS 422 485 loopback is also included Running Hyperterminal Step Q Step 1 Q Step 2 a Step 3 Q Step 4 a Stepd a Step 6 Q Step 7 Page 14 Procedure Attach the loopback connector to the DB 9 connector Launch HyperTerminal Create a new session Select the COM associated with port 1 from the drop down list With the session open type any text Close the session Repeat steps 3 through 6 for each serial port Description Be sure to use the correct loopback connector for RS 232 or RS 422 485 In Windows select Programs Accessories Communications HyperTerminal When prompted give the session any name you wish You are now set up to test the first serial port Note Leave all settings at default If the text
8. SSU 9 18 Lx 5 25 W x 1 675 H DSU QSU 9 18 Lx 5 25 W x 2 363 H ESU USB bus powered no external power connection required Suspend Power lt 500 uA Unconfigured Power lt 100 mA Configured Power lt 500 mA Operating 0 to 70 C Storage 50 to 80 C 10 to 90 Windows 2000 Windows XP Linux Rev 1 00 August 2006 Quatech Freedom USB Adapter User s Manual Appendix C Appendix B Warranty information Quatech Inc warrants the SSU2 DSU2 QSU2 ESU2 100 400 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 from improper installation operation or general misuse voids all warranty rights No representation is made regarding the suitability of this product for any particular purpose Please complete the following information and retain for your records DATE OF PURCHASE MODEL NUMBER S8SU2 DSU2 QSU2 ESU2 100 400 PRODUCT DESCRIPTION USB to Serial Adapter SERIAL NUMBER All products returned to Quatech for either warranty or non warranty repair MUST be assigned a Returned Material Authorization RMA number prior to shipment This RMA number must be clearly marked on the exterior of the product s return packaging and in any correspondence to ensure proper routing
9. you type is echoed on the screen the port is functioning properly If the text you type is echoed on the screen the port is functioning properly Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Using Device Manager Using configuration utilities This section explains how to use Device Manager to view the properties of the serial ports enumerated by the USB to Serial adapter Accessing Device Manager Step Q Step 1 Q Step 2 a Step 3 Procedure Select Start Control Panel Double click the System icon Click the Hardware tab and then press the Device Manager button Exploring Device Manager screens Windows XP and 2000 Step Q Step 1 Q Step 2 Description The System Properties dialog box opens Device Manager lists all the hardware devices that are registered inside the Windows registry Device Manager provides two property dialogs that apply to the USB to Serial adapter gt Ports COM amp LPT device group property box gt Multi port serial adapters device group property box Use the Ports COM amp LPT device group property box to view and set the port settings and to view device usage and driver information for the serial ports Use the Multi port serial adapters device group property box to view and set the advanced options and to view device usage and driver information for the USB to Serial adapter Procedure With Device Manager open expand the
10. 2 400 Eight RS 232 422 485 Serial Ports Group ID 14 X Quatech DSC 100 PCI Two Port RS 232 Serial Adapter i Network adapters a Ports COM amp LPT BR Processors SCSI and RAID controllers Sound video and game controllers S Storage volumes System devices I Inivercal Serial Rue cantroilerc 4 Scroll down to Multi port serial adapters and expand 5 Highlight your Quatech USB to Serial adapter for example ESU2 400 Eight RS 232 422 485 Serial Ports Group ID14 6 Select the Action menu option 7 Select Uninstall from the drop down menu 8 Click OK at the Confirmation screen Note that this also removes all the serial ports associated with your USB to Serial adapter Rev 1 00 August 2006 Page 11 Making external connections Quatech USB to Serial Adapter User s Manual Making external connections Quatech USB to Serial adapters are equipped with male DB 9 connectors The following figures and tables show the serial port pinouts for RS 232 and RS 232 422 485 applications Figure 12 DB 9 connector pinout 0000 RS 232 serial connections Note A DTE device is the communication source A DCE device provides a communication channel between two DTE type devices Page 12 RS 232 devices are classified by their function as either Data Terminal Equipment DTE or Data Communication Equipment DCE Figure 13 Use of DTEs and DCEs in a communication link
11. 485 Each adapter uses high speed UARTs and deep FIFOs allowing each channel to obtain data rates up to 921 6 kbps The adapters are powered over their USB connection bus powered eliminating the need for an external power supply The adapters are Plug and Play devices and require no hardware configuration Quatech s USB to Serial adapters are supported under the Windows 2000 XP and later and Linux operating systems One USB port is required to connect the adapter to your computer You can use either a built in USB port or an add in USB host adapter We recommend the use of a USB 2 0 port for best performance Contact our sales department for details on current software offerings All device drivers are available for download from the Quatech World Wide Web site at http www quatech com Page 1 Introduction Features Quatech USB to Serial Adapter User s Manual Multiple Electrical Interface MEI Understanding the LEDs MEI adapters model numbers ending with 400 are shipped with a factory default of all serial ports set for RS 232 connections Each port can be individually configured for RS 232 RS 422 485 full duplex or RS 422 485 half duplex operation The LEDs inform you of the configuration of the adapter s serial ports Each serial port has one associated LED located on the back panel to the right of the port s DB 9 connector The following table lists the possible states of the LEDs and their meanin
12. Multi port serial adapters device group Double click the USB to Serial adapter Rev 1 00 August 2006 Description Your USB to Serial adapter should appear in the list for example ESU2 400 Eight RS 232 422 485 Serial Ports Group ID14 The Properties dialog box opens and displays the General tab Page 15 Using configuration utilities Figure 15 illustrates the Windows XP 2000 General Tab which tells you whether the USB to Serial adapter is Quatech USB to Serial Adapter User s Manual ESU2 400 Eight RS 232 422 485 Serial Ports Group ID 14 Properties General USB Serial Ports Advanced Options Driver Details Figure 15 Windows XP 2000 Device Manager properties General tab aql ESU2 400 Eight RS 232 422 485 Serial Ports Group ID 14 working properly Device type Multi port serial adapters Manufacturer Quatech Incorporated Location Location 0 ESU 400 Eight port RS 422 485 Device status This device is working properly if you are having problems with this device click Troubleshoot to start the troubleshooter Device usage Use this device enable Step Procedure Description Q Step 3 Click the USB Serial Ports Advanced Options tab to view the port setting displays properties Page 16 The Advanced Options dialog box Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Using configuration utilities Figure 16 Windows XP 2000 RS 232 422 485 A
13. OQWUWATIS GISI CONNECT WITH RELIABILITY USB to Serial Adapter User s Manual SSU2 DSU2 QSU2 ESU2 100 400 1 2 4 and 8 serial ports 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 SSU2 DSU2 QSU2 ESU2 100 400 User s Manual P N 940 0191 100 Copyright Trademarks Disclaimer Feedback Copyright 1998 2006 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 Quatech Inc reserves the right to change this documentation or the product to which it refers at any time and without notice QUATECH is a registered trademark of Quatech Inc Other product and brand names listed in this manual may be trademarks of their respective owners The information in this manual is believed to be accurate and reliable at the time of posting Notwithstanding the foregoing Quatech assumes no responsibility for any damage or loss resulting from the use of this manual and expressly disclaims any liability or damages for loss of data loss of use and property damage of any kind direct incidental or consequential in regard to or arising out of the performan
14. Rev 1 00 August 2006 This mode configures the serial port to use an RS 422 485 electrical interface Transmit and receive operations share a single pair of conductors in the attached cable so communication occurs in only one direction at a time This configuration is often referred to as multidrop The transmit drivers are automatically enabled before data is transmitted then disabled immediately after all data has been transmitted This feature is implemented in hardware for near instantaneous response Page 21 Using configuration utilities Quatech USB to Serial Adapter User s Manual RS 422 485 Half Duplex 2 wire RTS control Notes The serial ports LED This mode configures the serial port to use an RS 422 485 electrical will glow green in RS 422 485 interface The half duplex operation is the same as in the Auto mode Toggle mode except that the RTS signal is used to control the transmit drivers instead of the automatic control The software application can disable the port s transmit drivers by deasserting the UART s RTS output To allow transmission again the software application must assert the RTS output RS 422 485 Half Duplex 2 wire DTR control Note The serial ports LED This mode configures the serial port to use an RS 422 485 electrical will alow green in RS 422 485 interface This mode operates the same as Half Duplex using RTS mode except that the UART s DTR output is used Receiver active MEI a
15. aeeeeeeeeeeseaeeeeeeeeeneneeea 12 Figure 13 Use of DTEs and DCEs in a communication link 0 0 00 cecsscceeesseceeeeseeeeeesaeeeeeneaeeeeneaas 12 Figure 14 Cabling requirements for RS 232 devices cccccccccssccceessececesssececssseeecesesaeeecsesaeeecseaeeeeneaas 13 Figure 15 Windows XP 2000 Device Manager properties General tab ccccccscceceesteeeeessteeeeeeaaes 16 Figure 16 Windows XP 2000 RS 232 422 485 Advanced Options dialog window scccccceeeeee 17 Figure 17 Windows XP 2000 RS 232 Advanced Options dialog Window ccccccceceesssseeeeeeeeeeenens 17 Figure 18 Windows XP 2000 USB serial port Port settings box cccccccecessssscsecececeesessrssseeeeeeeeeeene 18 Figure 19 Windows XP 2000 USB serial port Advanced settings DOX ccccssscscceceeeessrseceeeeeeeeeenens 19 Figure 20 Windows XP 2000 USB serial port properties Driver DOX ccccccseccceceeeesensceeeeeceeeenees 19 Figure 21 Windows XP 2000 USB serial port Driver file details box ccccccccsscceeeesteeeeeesteeeenenaes 20 Tables Table 1 Device port and connection options cccccccsscecsessececesseeeceesseeeceeseeeceesaeeeesesseeeeseaeeeeeseaeeseneaas 1 Table 2 NH DE CS 2 Table 3 Product Series SUMIMANY 0s scconnesscccaadavscaaggeascaadescctansesscceadesscacaganccinadeaicaaag deaceadaavacataadesacaaagenccecs 2 Table 4 RS 232 signals on DB 9 connector 0 00 cece ceessecesesssececesseeecesseeeee
16. and prompt attention To obtain an RMA number contact Quatech Technical Support Department at 1 800 553 1170 or 830 655 9000 In order to prevent damage to returned merchandise during shipment please package electronic components in anti static shock proof materials For warranty repair returns please have the following information available when contacting the Technical Support department 1 Model number and serial number of the product under warranty 2 Repair instructions and or specific description of the problem For non warranty repairs or upgrades contact the Technical Support department for current repair charges and please have the following information available 1 Purchase order number to cover the cost of the service 2 Model number and serial number of the product 3 Repair or upgrade instructions relative to the product Rev 1 00 August 2006 Page 27
17. ardware prompt cc cccccccccsessssscecececeesensnsececececsesessnseseeceecseeestaaeess 3 Figure 2 Windows XP Choose your search and installation options prompt cccccsssseccceceeeenseeeees 4 Figure 3 Windows XP Searches drivers Prompt ccccecssssececececeessssececeeeceesensaeceeececsesensaeseeceeesenenseaees 5 Figure 4 Windows XP Wizard installs the software 0 ccccccccesscecssssececeesseseceenseeecsesseeeeseaeeeesssseeeeseaaes 6 Figure 5 Windows XP Finished installing prompt cccccccccceceesssssceceeeceesessnececececsesensaeeeeceeesesensaaeees 6 Figure 6 Windows 2000 Found new hardware prompt cccccccccccsssssseseseceesesssssceeececeesessaeseeceeesesenseaeees 7 Figure 7 Windows 2000 Search for or display drivers PrOMt ccccccceceesssssceeececeesesssssceeceeceesersaaeees 8 Figure 8 Windows 2000 Locate driver files prompt c ccccceessececseseeeceeseeeceesaeeecsesaeeeesesseeeenesaeeeeneaaes 8 Figure 9 Windows 2000 Finished searching for driver files prompt cccccccssccecessteeecessteeeessneeeeeeaaes 9 Figure 10 Windows 2000 Finished installing prompt cccccccccccsssceceessececeesseceeseseeeecseaeeeeseaeeeeneaas 10 Figure 11 Device Manager cccccssssccceceeeesesneaeceeeeeeeeeeesnnaeeeeeeeeeeeeseaeeeeeeeseeseaeaeeeesensenseequeaeeeeeenseeeega 11 Figure 12 DB 9 connector pinout cccecccccecessesscnececeeeeeseenneaececeeeeeeeeesneaececeeesssseae
18. ce or form of the materials presented herein or in any software program s that may accompany this document Changes or modifications to this device not explicitly approved by Quatech will void the user s authority to operate this device Quatech Inc encourages and appreciates feedback concerning this document Please send any written comments to the Technical Support department at the address listed on the cover page of this manual Quatech USB to Serial Adapter User s Manual Table of contents Table of contents Table of contents 4 77 74 74 74 74 741714714714 nnn e nn ee nena nena ne nenees i Figures 22 22 een nnn en nnn ene nnn nn enn nnn nen nnn nee n enn en ene nee nee nes ii Tables 4 74 74 74 74 7 4474471 ii Introduction 4 44 7444 77444 777441 111 1 System requirements 4 4 44 44 44 141114411441141111 111 1 Features 4 74 74 44 44 7711 1111 71111 2 Multiple Electrical Interface MED 2 Understanding the LEDs 4 44 4 44 44 44 744 7441 441114111411 1111111 2 IND option surge suppression upgrade
19. cify a location J Microsoft Windows Update lt Back Cancel Page 8 Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Installing the software Step Procedure Description Q Step8 Select CD ROM drives If necessary you can also select Specify a location and browse to the desired location with the USB to Serial drivers The complete path is E Serial Port Adapters Drivers Windows 98 Me 2000 XP for USB Replace E with your CD ROM drive designation Q Step9 Click the Next button Windows searches for drivers for the adapter The Finished searching for driver files prompt displays Figure 9 Windows 2000 Finished searching for driver files prompt Found New Hardware Wizard Figure 9 illustrates the Windows 2000 F inished Driver Files Search Results Patan searching for driver files The wizard has finished searching for driver files for your hardware device SY prompt The wizard found a driver for the following device o QSU 100 USB to Serial Converter Windows found a driver for this device To install the driver Windows found click Next amp e serial port adapters drivers windows 95 98 me 2000 xp for usbenhanced qtusbbx2 inf lt Back Cancel Step Procedure Description Q Step 10 Click the Next button Q Step 13 The Wizard proceeds with the The Please wait while the Wizard installation installs the software screen displays followed by the F
20. dapters only In RS 422 485 half duplex operating modes the serial port s receivers can be set to be active all the time or to be active only when the port is not transmitting The desired choice is selected from the dropdown box Always default Select this option to force the receivers to be active all the time This selection will cause the receiver to hear the echo of whatever the serial port transmits Only when not transmitting This selection is useful for scenarios where the serial port should not hear the echo of its own transmissions The receivers will be disabled whenever the serial port transmits data Page 22 Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Using configuration utilities AuxOut Auxin MEI adapters only This setting determines which signals are routed to the AuxIn and AuxOut pins of the serial port connectors Regardless of which setting is chosen each UART s DTR output is internally looped back to its own DSR DCD and RI inputs Loopback default Select this choice when only transmit and receive data signaling is Note In half duplex 2 wire required MORES the UART s RTS gt Each UART s RTS output is internally looped back to its CTS output is looped back to its input CTS input gt Each port s AuxIn signal pair is looped back to its AuxOut signal pair at the connector RTS CTS Select this choice when hardware flow control is required gt Each UART
21. drivers this screen disappears Step Procedure Description Q Step8 The Wizard locates and starts to install The Wizard installs the software prompt the necessary software displays followed by the Finished installing prompt Rev 1 00 August 2006 Page 5 Installing the software Quatech USB to Serial Adapter User s Manual Figure 4 Windows XP Wizard installs the software Found New Hardware Wizard Please wait while the wizard installs the software Sa ESU2 400 Eight RS 232 422 485 Serial Ports 2 Setting a system restore point and backing up old files in case your system needs to be restored in the future Figure 5 Windows XP Finished installing prompt Figure 5 shows the Windows n XP BSaselnedl installing Found New Hardware Wizard prompt It indicates that the 3 adapter has been successfully Completing the Found New installed Hardware Wizard The wizard has finished installing the software for ad ESU2 400 Eight RS 232 422 485 Serial Ports Click Finish to close the wizard Step Procedure Description Q Step 11 Press the Finish button to continue The USB adapter installation is complete Page 6 Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Installing under Windows 2000 Step Procedure system Figure 6 illustrates the Windows 2000 Found new hardware prompt The Found New Hardware Wizard launches automatically when you first plug in the USB to
22. dvanced Options dialog window Figure 16 illustrates the ESU2 400 Eight RS 232 422 485 Serial Ports Group ID 15 Properties Advanced Options dialog for METI devices You can set General USB Serial Ports Advanced Options Driver Details the connector signal Serial ports must be closed for changes to take effect selection the duplex mode rates and the receiver control Operating Mode 2 wire mode only IRszz o n d RS 422 485 Ful Dupiex wie z arses RS 420 485 FabDuplex wre z loonbeck gt RS 422 485 Hal Duplex wre RTS contol Aways Figure 17 illustrates the Advanced Options dialog for RS 232 only devices There areno user configurable There are no user configurable options for this device settings Device Fimware Revision 700 Step Procedure Description Rev 1 00 August 2006 Page 17 Using configuration utilities The RS 232 USB Serial Port Advanced Options dialog box displays the firmware revision of the USB to Serial adapter The RS 422 485 Advanced Dialog box also lets you set the connector signals selection and the duplex mode and receiver Click Cancel to close the property box With Device Manager open expand the Ports COM amp LPT device group Double click the desired port Step Procedure Q Step 4 control a Stepd Step 6 Q Step 7 a Step 8 Figure 18 illustrates the USB Ports Settings box which lets you set the default port
23. dvanced options MEI adapters only Note SSU2 DSU2 QSU2 ESU2 100 adapters have no user selectable options The USB to Serial port advanced properties can be altered from the Device Manager window Options for each serial port can be individually controlled Changes are applied e To all serial ports when the USB to Serial adapter is unplugged from the USB cable and plugged back in OR e Toa single port the next time an application opens the serial port Operating Mode MEI adapters only RS 232 default Note The serial port s LED will glow red in RS 282 mode RS 422 485 Full Duplex 4 wire Note The serial port s LED will glow green in RS 422 485 mode This mode configures the serial port to use an RS 232 electrical interface Each UART s transmit drivers and receivers are always active in this mode This mode configures the serial port to use an RS 422 485 electrical interface Each UART s transmit drivers are always active in this mode This mode allows simultaneous transmit and receive operation Transmit and receive data move over separate dedicated pairs of conductors in the attached cable The AuxOut AuxIn signals are also available in 4 wire mode RS 422 485 Half Duplex 2 wire Auto Toggle Note The serial port s LED will glow green in RS 422 485 mode Note The Auto Toggle mode is the best choice for most half duplex scenarios It offers the best performance and the best ease of use
24. ettings box Advanced Settings for COM5 2 ee i Cancel Defaults Step Procedure Description Q Step11 Use the drop down box to select the port whose settings you wish to change Click Cancel to return to the Port Settings tab Q Step12 Click the Driver tab to view the driver The USB Serial Driver properties dialog information and update the driver box displays Figure 20 Windows XP 2000 USB serial port properties Driver box Figure 20 illustrates the USB Serial Port COM5 Properties USB Serial Ports Driver F s General Port Settings Driver Details dialog which lets you view i F USB Serial Port COM5 the driver details and update roll back XP only and uninstall the driver e pag S Driver Date 1 10 2005 Driver Version 5 80 0 0 Digital Signer Microsoft Windows Hardware Compatibility Publ To view details about the driver files To update the driver for this device if the device fails after updating the driver roll back to the previously installed driver To uninstall the driver Advanced Step Procedure Description Q Step 13 You have several options gt View detailed driver information See below Rev 1 00 August 2006 Page 19 Using configuration utilities Step Q Step 14 Figure 21 illustrates the Driver Details dialog which tells you the name and location of the driver files the provider file version copyright date and digital
25. g Table 2 LED codes LED color Meaning Red Port is configured for RS 232 Green Port is configured for RS 422 485 IND option surge suppression upgrade Page 2 Quatech offers an IND option or surge suppression board upgrade to provide improved performance and industrial grade reliability The IND option provides essential protection for reliable use in an industrial environment Each communication line has a surge suppressor capable of sustaining up to 40 A 20 us peak transient surges a clamping voltage of 30 V 15 1 V for 200 300 units and a peak energy dissipation of 0 1 Joules Table 3 Product series summary Part number IND option Part number IND option SSU2 100 no SSU2 100IND yes DSU2 100 no DSU2 400 no DSU2 100IND yes DSU2 400IND yes QSU2 100 no QSU2 400 no QSU2 100IND yes QSU2 400IND yes ESU2 100 no ESU2 400 no ESU2 100IND yes ESU2 400IND yes Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Installing the software Installing the USB to Serial Adapter This section explains how to install the USB to Serial adapter under different operating systems Please locate and follow the procedure Caution Be sure to allow i for your computer s operating system the installation process to finish without interruption The USB to Serial adapter includes Windows device drivers that enable the serial ports to appear to Windows as standard COM ports Installing under Windows XP Foll
26. inished installing prompt Rev 1 00 August 2006 Page 9 Installing the software Figure 10 is the Windows 2000 Finished installing prompt It indicates that the adapter has been successfully installed Step Procedure Q Step 14 Press the Finish button to continue Page 10 Quatech USB to Serial Adapter User s Manual Figure 10 Windows 2000 Finished installing prompt Found New Hardware Wizard Completing the Found New Hardware Wizard 2 QSU 100 USB to Serial Converter Windows has finished installing the software for this device To close this wizard click Finish lt Back Cancel Description The USB to Serial adapter installation is complete Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Installing the software Uninstalling under Windows 2000 or Windows XP Follow these steps in the event that you need to uninstall or reinstall the USB to Serial software 1 From the Control Panel select System 2 Press the Hardware tab 3 Click on Device Manager Figure 11 Device Manager Device Manager File Action View Help e amp R zag Disk drives Display adapters 44 DVD CD ROM drives Floppy disk controllers i Floppy disk drives ig Human Interface Devices E E IDE ATA ATAPI controllers IEEE 1394 Bus host controllers ge Keyboards Mice and other pointing devices Monitors SX Multi port serial adapters I ESU
27. l Adapter User s Manual Figure 2 Windows XP Choose your search and installation options prompt Figure 2 illustrates the Windows XP Choose your Found New Hardware Wizard search and installation a RE eS ww prompt i V Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed Search removable media floppy CD ROM Dindi 1 Dont search will choose the driver to install Choose this option to select the device driver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware Step Procedure Description Q Step6 Select Search removable media floppy If necessary you can also select the CD ROM Include this location in the search option and browse to the location with the USB to Serial drivers The complete path is E Serial Port Adapters Drivers Windows 98 Me 2000 XP for USB Replace E with your CD ROM designation Q Step 7 Click the Next button Windows searches for drivers for the adapter Page 4 Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Installing the software Figure 3 Windows XP Searches drivers prompt Figure 3 illustrates the Windows XP Searches for Found New Hardware Wizard drivers prompt When the 3 z Wizard finds the USB to Please wait while the wizard searches Serial
28. ow these steps to install the adapter under Windows XP Step Procedure Description Q Step1 Turn on the power to your computer This is the system in which the device is to system be installed Q Step2 Plug the wide flat end of the USB cable into the downstream connector This is the connector located on the back of the computer or USB hub Q Step3 Plug the square end of the USB cable into Windows tells you that it has found new the back of the USB to Serial adapter hardware and launches the Found New Hardware Wizard Figure 1 Windows XP Found new hardware prompt Figure 1 illustrates the Windows XP Found new hardware prompt The Found New Hardware Wizard launches automatically when you first plug in the USB to Serial adapter Found New Hardware Wizard This wizard helps you install software for ESU 400 Eight port RS 422 485 USB adapter C F your hardware came with an installation CD lt gt or floppy disk insert it now What do you want the wizard to do O Install the software automatically Recommended On d Click Next to continue Step Procedure your CD ROM drive Next button Rev 1 00 August 2006 Q Step 4 Insert the Quatech installation CD into Q Step5 Select the Advanced option Click the Description This is the CD that shipped with the product The Choose your search and installation options prompt displays Page 3 Installing the software Quatech USB to Seria
29. r this device Op QSU 100 Four port RS 232 USB adapter 4 device driver is a software program that makes a hardware device work Windows needs driver files for your new device To locate driver files and complete the installation click Next What do you want the wizard to do Search for a suitable driver for my device recommended Display a list of the known drivers for this device so that can choose a specific driver lt Back Cancel Step Procedure Description Q Step5 Insert the Quatech installation CD into This is the CD that shipped with the your CD ROM drive adapter Q Step6 Select Search for a suitable driver for my device recommended Q Step 7 Click the Next button The Locate driver files prompt displays Figure 8 Windows 2000 Locate driver files prompt z 7 Found New Hardware Wizard Figure 8 illustrates the Windows 2000 Locate driver Locate Driver Files files prompt Where do you want Windows to search for driver files K4 Search for driver files for the following hardware device o QSU 100 Four port RS 232 USB adapter The wizard searches for suitable drivers in its driver database on your computer and in any of the following optional search locations that you specify To start the search click Next If you are searching on a floppy disk or CD ROM drive insert the floppy disk or CD before clicking Next Optional search locations I Floppy disk drives IV CD ROM drives T Spe
30. rs DSU2 400 QSU2 400 ESU2 400 Appendix A USB Specification 2 0 high speed 480 Mbps Backward compatible with USB 1 1 full speed 12 Mbps Up to 921 600 bps Factors impacting performance include Hardware flow control Horsepower of the host computer Quality of and length of cables gt Continuous or bursty data SSU2 100 1 DSU2 100 QSU2 100 ESU2 100 DSU2 400 QSU2 400 ESU2 400 SSU2 100 16550 UART with 1024 byte secondary FIFO buffering for both transmit and receive All others Custom high speed UARTs with 1024 byte FIFOs for both transmit and receive Automatic hardware and software flow control Vv Vv aoaornN woe WD RS 232 Output Voltage Swing 5V min 5 4V typical RS 232 Input Voltage Range 15V min 15V max Input Threshold Low 0 6V min 1 0V typical Input Threshold High 2 4V max 1 5V typical RS 2382 see above RS 422 485 Differential Driver Output 600 Load 2V min 3 3V max Differential Driver Output 270 Load 1 5V min 3 3V max High Input 2V min Low Input 0 8V max Driver Rise or Fall Time 5 ns typ 20 5 ns max Driver Input to Output Delay 20 ns min 40 ns typ 60ns max Receiver Input to Output Delay 40 ns min 70 ns typ 100 ns max Page 25 Appendix A Page 26 Connectors Dimensions Power Requirements Temperature Humidity OS Support Quatech USB to Serial Adapter User s Manual DB 9 Male 3 6 Lx 1 7 W x 1 0 H
31. s RTS output and CTS input are routed to the AuxOut and AuxIn signal pairs respectively Rev 1 00 August 2006 Page 23 Using configuration utilities Troubleshooting Note Any unauthorized repairs or modifications will void the adanter s warranty Problem The USB to Serial adapter cannot communicate with other equipment Page 24 technical support Cause gt The cables are not connected correctly gt The device driver is not installed gt The USB port is faulty Quatech USB to Serial Adapter User s Manual This section lists some common problems and their causes If the information below does not provide a solution contact Quatech Solution 1 Cheek all cables to make sure that they are connected correctly Make sure that each cable is securely attached Double check the Device Manager per the instructions in Using Device Manager to ensure that drivers are installed correctly and that all devices are working properly Try uninstalling the USB adapter from the Device Manager window and then repeat the hardware installation instructions If possible connect a known good USB device to the PC or hub connector and see if it operates properly Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Appendix A Specifications Rev 1 00 August 2006 Bus interface Baud rates Ports UARTs Transceivers SSU2 100 DSU2 100 QSU2 100 ESU2 100 Transceive
32. settings view the advanced options and restore the default settings Step Q Step 9 Page 18 Click the Port settings tab Quatech USB to Serial Adapter User s Manual Description There are no user configurable settings for RS 282 only USB to Serial adapters See the Setting advanced options section on page 44 section for details The ports associated with the USB to Serial adapter should appear in the list of ports The USB Serial Port Properties dialog box opens and displays the General tab The Port Settings dialog box displays Figure 18 Windows XP 2000 USB serial port Port settings box USB Serial Port COM5 Properties Bits per second Data bits E X Parity None X Sopbis i Fow control None Advanced General Port Settings Driver Details Procedure This Port Settings tab allows you to set default values for the following gt Bits per second gt Data bits gt Parity gt Stop bits gt Flow control Description Most applications do not make use of these default settings but prefer to make their own settings See the Setting advanced options section on page 44 section for details Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Using configuration utilities Step Procedure Description Q Step 10 Press the Advanced button The Advanced Options dialog box opens Figure 19 Windows XP 2000 USB serial port Advanced s
33. sssueeeesesaeeeeessaeeeeseaeeeeseaeeeenss 12 Table 5 RS 422 485 signals on DB 9 connector eecccccesssececessseeeceesneeecesseeeeeeesaeeeesecseeesesseeeeessaeeeeees 13 Page ii Rev 1 00 August 2006 Quatech USB to Serial Adapter User s Manual Introduction Note These products comply fully with USB Specification version 2 0 They will also operate over slower USB 1 1 connections at a slightly reduced performance level Note The 400 designation indicates an MEI device MEI is an acronym for Multiple Electrical Interface The interface is software selectable for each serial port System requirements Rev 1 00 August 2006 Introduction This User s Manual describes how to setup and install your Quatech USB to Serial Adapter The Quatech SSU2 100 DSU2 100 QSU2 100 and ESU2 100 respectively provide one two four and eight independent RS 232 serial interfaces to the host PC via the Universal Serial Bus USB port The Quatech DSU2 400 QSU2 400 and ESU2 400 respectively provide two four and eight independent asynchronous serial interfaces via the USB port Each of these interfaces can be used as desired for RS 232 RS 422 or RS 485 communications Table 1 Device port and connection options Device Ports Connection Device Ports Connection SSU2 100 1 RS 232 DSU2 100 2 RS 232 DSU2 400 2 RS 232 422 485 QSU2 100 4 RS 232 QSU2 400 4 RS 232 422 485 ESU2 100 8 RS 232 ESU2 400 8 RS 232 422
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