Keyspan Serial Assistant
Contents
1. The Diagnostic tab in the Keyspan Serial Assistant reports diagnostic information about your Keyspan adapter s software and hardware This information is useful if you are trying to solve problems with Keyspan s technical support staff The following is an explanation of the items in this tab This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 16 R Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual continued on next page the Adapter Status Error log Log Window Adapter Status Error Log 22 20 51 USAT UW Adapter REMOVED COM 22 26 54 USATSWYOMW Adapter INSERTED COM3 The Adapter Status Error Events box displays the status of your Keyspan adapter hardware and software It detects if the Keyspan driver is installed and whether or not a Keyspan adapter is connected the Clear Log Window button Clear Log Window The Clear Log Window button will clear the Adapter Status Error Events box the Log Debug Events check box T Log Debug Events Enable or check the Log Debug Events check box to display all of the Keyspan adapter s debug events as well as the driver events This option can be turned on and off the Open Driver Events Window button Open Driver Events Window The Open Driver Events Window button will open the Keyspan adapter s Event log window This window reports all of the events or actions that the adapter is per2. l Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual Table of Contents e Introduction e Capabilities e Installation Instructions e Configuring Your Serial Device e Keyspan Serial Assistant e Problem Solving e Appendices e Frequently Asked Questions FAQs e Compatibility List for Windows e Configuration Examples for Windows e Serial Port Pin Outs e LED Behavior e TX Ack Advance e Notices e Keyspan Warranty Information e Support Information This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 1 A Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 1 1 Introduction Looking for a way to connect your serial devices to a USB port on your USB equipped Windows computer The Keyspan High Speed USB Serial Adapter is a simple inexpensive and reliable way to make this connection The Adapter plugs into any USB port on your PC It provides one DB9 serial port which can be used to connect to your Palm Organizer WindowsCE device Wacom tablet and many other serial devices Multiple Keyspan High Speed USB Serial Adapters may be installed on one CPU if desired Requirements The Keyspan High Speed USB Serial Adapter Software for Windows requires the following e Windows e At least one available USB port e Windows 98 98 SE 98 Me 2000 XP Contents The Keyspan High Speed USB Serial Adapter package includes e Keyspan High
3. has to lie about when it s done transmitting The size of the lie is what s being configured with the TX Ack Advance parameter it specifies how many characters ahead of time the adapter tells the host I m done This way the adapter still has some data to transmit while it s waiting for more to arrive from the host If the next data from the host arrives before the previous data is completely sent the new data can be sent with no delay and the device will achieve 100 transmit throughput This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 32 Ay l Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual Notes about the Work Around In most situations the serial adapter s lie is harmless or beneficial even However in some circumstances this lie gets us into trouble There are several ways this can happen Flow control If the adapter is programmed to use flow control the remote receiving end of the serial connection can ask the adapter to suspend its data transmission e g if it s not ready to receive more data Since this state can persist indefinitely the I m done indication if it were sent early could arrive at the host a significant amount ahead of time As a result the application might use the I m done signal as an indication that the remote end is ready leading to various kinds of trouble Data flushing Sometimes an application will issue a
4. transmit flush command to the adapter get rid of extra data For example let s say that an application sends AAAA to the adapter and then once it s received the I m done indication sends BBBB Now let s say that some time after sending BBBB the application decides to cancel whatever part of the BBBB has yet to leave the serial port and sends a transmit flush command to the adapter If the adapter had been lying about being done sending AAAA it might still not be done and the flush could purge the transmit FIFO of some of the A s which is not what the application was expecting in addition to the B s Timing In some applications the receipt of the I m done indication is used as a timing reference point For example an application could send a data stream like this COMMAND vecs iccscenctentistitc ies isisi daoias onai asdeeeteen aes The extra periods following COMMAND would be just used to establish a timing interval the application would know that once the serial port said I m done the receiver would have had at least 64 character times to process COMMAND If the I m done indication was sent early the application might then do its subsequent action too early Another possibility is that the application is using the timing of the I m done message to determine the baud rate For example if the serial port was using external clocking the application might not know what baud rate was being used so it would sen
5. Designation 1 DCD Data Carrier Detect Input 2 RX Received Data Input 3 TX Transmitted Data Output 4 DTR Data Terminal Ready Output 5 GND Ground 6 DSR Data Set Ready Input 7 RTS Request To Send Output 8 CTS Clear To Send Input 9 RI Ring Indicator Input In order to ensure compliance with emission specifications cables should be shielded using braided shields and metal hoods with complete 100 contact between the shields and hoods External Loopback Connector Information The Keyspan Serial Assistant allows you to perform two types of loopback tests internal and external The external test requires the use of a special loopback connector This connector requires a DB9 Female Loopback plug with the following wiring Pin s Wired to Pin s 1 lt gt 4 8 2 lt gt 3 6 lt gt 7 9 This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev 02apr24JA Page 30 _ _ Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 7 1 e LED Behavior The Keyspan High Speed USB Serial Adapter part number USA 19QW comes equipped with a green LED light that reports the status of the Keyspan adapter USB hardware and serial port The following table shows all of the possible states of these LED light and what they mean Color State Significance Green Off The Keyspan adapter is not connected or not receiving power from your computer Green On Blinking Slowly The Ke
6. multiple serial This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 15 AR Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual ports to a particular USB port on your computer If you disconnect the Keyspan adapter and connect it to a different USB port the COM port number of that Keyspan adapter will change This setting is recommended if you are using multiple Keyspan adapters and want the COM port numbers to remain the same the Delete All Keyspan High Speed USB Serial Adapter Port Mappings button Delete All Keyspan High Speed USB Serial Adapter Port Mappings The Delete All Keyspan High Speed USB Serial Adapter Port Mappings button clears the Windows registry of all Keyspan High Speed USB Serial Adapter COM port numbers and Keyspan USB information This allows Windows to create new COM port assignments Note that this is an option for advanced users only If you are unsure about how this command will affect your computer please contact Keyspan Tech Support for further assistance Diagnostics Tab the Diagnostics tab Keyspan High Speed USB Serial Adapter Assistant Adapter Status Properties Port Mapping Diagnostics Help Adapter Status Error Log 22 28 51 USA1SW QW Adapter REMOVED COM3 22 28 54 USA1SW OW Adapter INSERTED COM3 Clear Log Window I Log Debug Events Open Driver Events Window Open Data Monitor Window
7. site at http www keyspan com This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 26 l Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 7 1 c 01 Palm Desktop Before you begin This Configuration Example assumes that you have already done the following 1 installed the Keyspan serial port hardware and software 2 installed the Palm Desktop software 3 connected the Palm Serial Cradle hardware to a Keyspan serial port If you have not performed any of the steps mentioned above please do so before proceeding Step Check the Keyspan Serial Assistant Before proceeding you should check to see if the Keyspan serial port is installed correctly To do this open the Keyspan Serial Assistant in Start menu gt Programs gt Keyspan High Speed USB Serial Adapter gt Keyspan Serial Assistant When you open the Keyspan Serial Assistant you will see a window similar to the one shown below the Keyspan Serial Assistant window Keyspan High Speed USB Serial Adapter Assistant BES Adapter Status Properties Port Mapping Diagnostics Help age USAISW OW 1 COM3 Idle If your Keyspan hardware and software are installed correctly you will see your adapter in the Adapter Status tab box You should also see the COM port number ie COM1 COM2 etc and the COM Port Status IDLE or BUSY If you see either of these me
8. under license Apple and Macintosh are registered trademarks of Apple Computer Inc registered in the USA and other countries Palm PalmPilot and Palm III are trademarks of Palm Computing Corp 3Com Corporation or is subsidiaries Other brand names are trademarks or registered trademarks of their respective holders Copyright 2002 KEYSPAN a division of InnoSys Inc This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 37 Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 7 1 y Keyspan Warranty Information KEYSPAN Software License Agreement and Limited Warranty Definitions The following definitions apply to the terms as they appear in this agreement e KEYSPAN means KEYSPAN a division of InnoSys Incorporated e Software means the computer program contained in this package and all updates to the computer program The term also includes all copies of any part of the computer program e Documentation means the on disk user s manual s as well as printed materials accompanying the Software e Product means the Software and Documentation Copyright Protection The Product is owned by KEYSPAN and is protected by United States and international copyright laws and international trade provisions You must treat the Product like any other copyrighted material This license and your right to use the Product terminate automatically if you violate any part of
9. COM2 have already been assigned or set aside by any software or hardware the Keyspan adapter will take the next COM port COM3 This COM port number can then be accessed via your serial device s software ie Palm s HotSync Manager Wacom tablet control panel etc Note You can connect more than one Keyspan High Speed USB Serial Adapter to your USB equipped Windows computer The DB9 ports on subsequent adapters will have a different COM port numbers This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 3 Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 3 1 Installation Instructions Installing the High Speed USB Serial Adapter Software for Windows Operating Systems Note These instructions apply to installing the Keyspan High Speed USB Serial Adapter on Windows If you are installing this software on other platforms please read the Keyspan USB Serial Software User Manual for that platform Step 1 Insert the Keyspan Serial Adapter CD ROM Turn your computer ON When your computer starts up place the Keyspan High Speed USB Serial Adapter CD into the CD ROM drive This will open the Keyspan High Speed USB Serial Adapter CD browser Note you can manually start the CD browser by locating and running the Launch exe program on the CD ROM Step 2 Run the Keyspan USB Serial Software for Windows Installer If the Keyspan Adapter is con
10. SB Serial Adapter Port Mappings The Port Mapping tab in the Keyspan Serial Assistant allows you to change how COM port numbers are assigned to your Keyspan adapter The following is an explanation of the items in this tab Important Please make sure you read this entire section Changing COM port assignments may render other hardware unusable the COM Port List box COM3 Idle Keyspan High Speed USB Serial Adapter Fort COW The COM Port List box shows any connected Keyspan High Speed USB Serial Adapter its COM port number and COM port status You can also see any other COM port that have been assigned or reserved on your computer if you enable or check the Show All COM Assignment check box This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev 02apr24JA Page 14 K Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual continued on next page the Show All COM Assignments check box T Show All COM Assignments Enable or check the Show All COM Assignments check box to display ALL of the COM port name and numbers that have been registered on your computer This will include COM ports for other devices Note You may have COM ports assigned or set aside for hardware that may not be installed on your computer depending on how your computer was setup by its manufacturer the COM port mapping pull down menu COM port mapping for selected adapter p
11. Serial Adapter Step 2 Determine Which Keyspan Port Your Serial Device Is Connected To If your have a Keyspan product that has more than one serial port please note which Keyspan serial port your serial device is connected to the serial port on the Keyspan product not your USB ports on your computer or USB hub This information will become useful as we start Configuring Your Serial Device s Software Configuring Your Serial Device s Software The following configuration instructions provide a basic overview of how to configure your software to use your Keyspan serial port s For specific instructions on how to operate your serial device please refer to your serial device s user s manual for detailed instructions continued on next page This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 6 R Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual Step 3 Check the Keyspan Serial Assistant Now that your serial device is connected to the Keyspan adapter you should check to see if the Keyspan serial port is installed correctly To do this open the Keyspan Serial Assistant in Start menu gt Programs gt Keyspan High Speed USB Serial Adapter gt Keyspan Serial Assistant When you open the Keyspan Serial Assistant you will see the following window the Keyspan Serial Assistant window lt gt Keyspan High Speed USB Serial Adapter Assi
12. Speed USB Serial Adapter USA 19QW or USA 19W e USB cable included only with USA 19QW e Mac and Windows compatible CD with software and user manual Note This documentation applies to Keyspan s High Speed USB Serial Adapter Software for Windows and covers the features and use of this software on that platform For information and instructions for this product on other platforms please visit Keyspan s web page lt http www keyspan com gt This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 2 m Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 2 1 Capabilities The Keyspan High Speed USB Serial Adapter provides one male DB9 serial port which supports RS 232 asynchronous communications at data rates up to 230 Kbps Please read our Compatibility List for Windows for a list of serial devices that have been tested with the Keyspan High Speed USB Serial Adapter Keyspan High Speed USB Serial Adapter Port Keyspan High Speed USB Serial Adapter Serial Port on a The DB9 port on the Keyspan Adapter is seen as a COM port by Windows The Keyspan COM port is interfaced via the Win32 Communications API and is then available to any program that accesses COM ports via this API By default the COM port number assigned to the Keyspan adapter is the first unassigned available COM port number in the Windows registry For example if COM1 and
13. anslation This is a Class B product based on the standard of the Voluntary Control Council for Interference from Information Technology Equipment VCCD If this is used near a radio or television receiver in a domestic environment it may cause radio interference Install and use the equipment according to the instruction manual Australia New Zealand This device complies with AS NZS 3548 Class B limits for the operation of Information Technology Equipment Copyright This manual and the software described in it are copyrighted with all rights reserved Under the copyright laws this manual or the software may not be copied in whole or in part without the written consent of KEYSPAN NO WARRANTIES OF ANY KIND ARE EXTENDED BY THIS DOCUMENT The information herein and the Keyspan products themselves are furnished only pursuant to and subject to the terms and conditions of a duly executed License Agreement KEYSPAN SPECIFICALLY DECLINES ALL WARRANTIES WHETHER IMPLIED OR EXPRESSED INCLUDING BUT NOT LIMITED TO THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE KEYSPAN has no responsibility financial or otherwise for any result of the use of this document and or the associated product including direct indirect special and or consequential damages The information contained herein is subject to change without notice Trademarks KEYSPAN is a trademark of InnoSys Inc Mac and Mac OS are trademarks of Apple Computer Inc used
14. ber This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 19 m Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual If you do not see the Keyspan COM port number please contact Keyspan Tech Support for further assistance If you see the COM port number and have properly selected the Keyspan port that your serial device is connected to and are still having problems please continue to Step 4 Step 4 Use Your Serial Device If you have followed all of the above steps and are still having problems with your Keyspan High Speed USB Serial Adapter contact Keyspan Tech Support for further assistance When You Need More Help The Keyspan web site http www keyspan com is your best source for technical support information The web site includes technical notes reference manual updates and answers to frequently asked questions You may also contact our technical support department directly via email phone or fax Please see the Support Information section in this manual for more details This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 20 Ay R Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 7 1 Appendices e Frequently Asked Questions FAQs Frequently Asked Questions e Compatibility List for Windows List of serial devices that have been tested with K
15. cate with the USB subsystem software on your computer Most users will not need to modify the default setting High Performance BULK You should only change this setting if you are sure that your serial device needs a specific setting The default setting is High Performance BULK This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 11 Ay l Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual continued on next page the Port pull down Fort i j COM IDLE If you have more than one serial port on your Keyspan adapter the Port pull down menu allows you select which serial port you want to modify or test You can also see the serial port s COM port number and its COM port status next to the Port pull down menu If you only have one serial port on your Keyspan High Speed USB Serial Adapter you will not need to change the selection The Test This Port button Test This Port The Test This Port button tests the COM port selected in the Port pull down menu The test that is performed is the selected test in the Test Option box the Test Mode box Test Mode TX Only Est LoopBack C Int Loopback The Test Mode box allows to specify the type of test that will be performed when you press the Test This Port button There are 3 types of tests TX Only Use this test to test only the transmit Tx signals of the Keyspan adapter Ext Loo
16. d a message and see how long it took The early delivery of I m done could screw up its calculation There are many other communication protocols in which time periods are counted from the point that a message has been delivered Any time you change the timing of the I m done indication you run the risk of interfering with such protocols What Should I Use There are various ways you can configure Tx Ack Advance Following is a discussion of some possibilities This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 33 Ay RA Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual None If you re using a baud rate of 9600 or less you probably don t have a problem The 1 millisecond delay will not significantly affect your throughput and you can select this option This option is also a good choice if you are running an application in which throughput is not an issue or one in which guaranteeing 100 correct operation is important enough that you d prefer not to risk having problems Auto The Auto setting uses the calculation described above when internal clocking is used and sets the Tx Ack Advance to None when external clocking is used this is because the host doesn t know the baud rate when the clocking is supplied externally Experiment If you re using a baud rate above 9600 you can simply try increasing the Tx Ack Advance setting and see whether i
17. e Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 39 Ay R Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual General This agreement constitutes the entire software license agreement between you and KEYSPAN and supersedes any prior agreement concerning the contents of this package It shall not be modified except by written agreement dated subsequent to the date of this agreement and signed by an authorized KEYSPAN representative KEYSPAN is not bound by any provision of any purchase order acceptance confirmation correspondence or otherwise unless KEYSPAN specifically agrees to the provision in writing This agreement is governed by the laws of the State of California Keyspan a division of InnoSys Inc 3095 Richmond Pkwy Ste 207 Richmond CA 94806 This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev 02apr24JA Page 40 Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 7 1 Z Support Information Contacting Support If you require assistance with any Keyspan product you may contact us by one of the following ways web email http www keyspan com support Monday through Friday 9 am to 5 pm Pacific e fax 1 510 222 0323 Monday through Friday 9 am to 5 pm Pacific e telephone 1 510 222 8802 tech support Monday through Friday 9 am to 5 pm Pacific International Support Options If y
18. eed USB Serial Adapter Software for Windows rev 02apr24JA Page 28 op J l Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual Step 3 Configure the HotSync Setup window In the HotSync Setup window click on the Local tab This will display the Serial port and Speed pull down menus the Local tab General Local Modem Network Serial port COM1 ed Speed Jas Fast As Possible x Select your Keyspan COM port in the Serial port pull down menu see step 1 in this example Select As Fast As Possible from the Speed pull down menu Note If you have a Keyspan USB PDA Adapter model number USA 19 not the same as the USA 19Q or USA 19Qi you must set the Speed pull down menu to 57600 This is the maximum speed your adapter is capable of Step 3 HotSync your Palm Organizer Palm Software configuration is now complete To initiate a HotSync session place your Palm Organizer in its cradle and then press the HotSync button on the cradle Your Palm Organizer will now HotSync This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 29 Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 7 1 d Serial Port Pin Outs The pin assignments for the Keyspan High Speed USB Serial Adapter s male DB9 port are illustrated below Keyspan High Speed USB Serial Adapter s male DB9 port 17345 6 7 6 amp 9 Pin Name Signal
19. en the serial port has transmitted all the data in its transmit FIFO the buffer that holds characters waiting to be sent it interrupts the CPU which then adds more characters to the transmit FIFO with a minimal time delay By contrast in a USB to serial adapter information about the state of the serial port FIFO reaches the CPU by means of USB messages The USB subsystem in most computers delays the delivery of inbound USB peripheral to USB host computer USB messages by about 1 millisecond The impact of this delay on serial throughput depends on the baud rate At 9600 baud it takes about 1 millisecond to transmit a character If the serial adapter signals the host when it begins transmitting the last character in its FIFO the host learns about it at about the same time the character is actually finished being transmitted Since outbound USB host computer to USB peripheral USB messages are not subject to such a long delay the host can supply new data before the serial port has been idle for too long At higher baud rates however this 1 millisecond delay becomes more of a problem For example at 920 Kbps 1 millisecond is enough time to send 92 characters So if you re sending 92 characters at a time you will only achieve 50 throughput since half the time is spent with the adapter waiting for the host to send more data The Work Around Since there s no way to eliminate the USB delays there s only one work around the serial adapter
20. er Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev 02apr24JA Page 18 l Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 6 1 Problem Solving If you are having problems with your Keyspan USB to Serial Adapter in Windows please read the following instructions to assist you in troubleshooting your Keyspan adapter Hardware Troubleshooting Step 1 Use the Keyspan Serial Assistant Launch the Keyspan Serial Assistant application When you open the Keyspan Serial Assistant application the Adapter Status tab will show your Keyspan adapter its COM port number ie COM1 COM2 etc and its COM Port Status IDLE or BUSY If you do not receive either of these messages please contact Keyspan Tech Support for further assistance Otherwise skip ahead to Step 2 Software Serial Device Troubleshooting Step 2 check The Physical Connections Make certain that your serial device is powered on and is properly connected to the Keyspan Serial Adapter Proceed to Step 3 Step 3 check Your Serial Device s Software Configuration Check to see if your serial device s software is configured to use the Keyspan port Please refer to your serial device s documentation for instructions on how to select switch configure a serial port in that software Once you ve found your software port configuration screen does it display the Keyspan High Speed USB Serial Adapter COM port num
21. erial Port s Prior to using your serial device with a Keyspan serial port you must first tell that serial device s software which serial port your serial device hardware is connected to For example if you have a Palm you will have to tell the Palm Desktop software to look for your Palm handheld hardware on a Keyspan serial port By doing this you establish communication between your serial device s software ie the Palm Desktop software and your serial device hardware the Palm handheld unit Most serial devices will have software that will allow you to select which serial port the device is connected to Depending on your serial device and its software you may have to configure a Control Panel ie modems accessing ISPs an application ie UPSes or some combination of these ie modems accessing terminals using Zterm Please refer to your serial devices documentation on which method your serial device uses and how to access that software s serial port configuration screen Once you ve determined where to select or configure your serial device s software s serial port settings please proceed to Step 5 Step 5 Determine Which Serial Port To Select In Your Serial Device s Software When you ve found the port selection screen in your serial device s software you may be presented with a list of COM port numbers a place to type in a COM port number or some combination of both At this point you have to select or enter COM po
22. es to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 35 Ay R Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual CE MARK DECLARATION OF CONFORMITY According to EN 45014 Manufacturer s Name and Address InnoSys Incorporated 3095 Richmond Parkway Suite 207 Richmond CA 94806 Declares that the product Product Name KEYSPAN High Speed USB Serial Adapter Model Number USA 19W Conforms to the following Product Specifications EN 55022 1998 Class B EN 55024 1998 following the provisions of the Electromagnetic Compatibility Directive Mike Ridenhour Richmond CA USA President April 2002 Canada Digital Apparatus EMI Standard This Class B digital apparatus meets all the requirements of the Canadian Interference Causing Equipment Regulations Cet appareil numerique de la classe B respecte toutes les exigences du Reglement sur le material brouilleur du Canada VCCI Voluntary Control Council for Interference from Information Technology Equipment Class B ITE CORE PRUBRESRRES A ERMHBBS VCCI OR BOC 7 FABRE CT COPE KERAEZ L SAME LCTWETAS CORBBRIVARTLEY a VSR ICEL MASNSL ZAREE TILED ET FRR ABSIT HE TIE LU RU ROZ LT FAV continued on next page This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 36 Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual Tr
23. est status or results of the selected COM port the Receive FIFO Buffer Size pull down menu Receive FIFO Buffer Size 16 Default ud The Receive FIFO Buffer Size pull down menu allows you to configure the number of characters which are stored in the card s First In First Out input buffer FIFO before they are made available to the computer The default value of this parameter is 16 The Receive FIFO improves the reliability of data transfer at high speeds You can turn this option OFF for performance reasons however this is not necessary in most cases the Update Configuration button Update Configuration The Update Configuration button updates the Keyspan adapter with the changes you have made in the Properties tab Please note that these changes will take effect when you click the Update This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 13 up J RA Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual Configuration button Port Mapping Tab the Port Mapping tab D Keyspan High Speed USB Serial Adapter Assistant BBE Adapter Status Properties Port Mapping Diagnostics Help I Show All COM Assignments This COM port is in use and currently Idle COM port mapping for selected adapter port m Adapter Port Mapping Mode Plug amp Play Instantiation Method Dynamic C Geographic Delete All Keyspan High Speed U
24. eyspan serial adapters e Configuration Examples for Windows Instructions on configuring select serial devices to use Keyspan serial ports e Serial Port Pin Outs Serial Port Pin Out and Loopback Test Information e LED Behavior Description of the LED Behavior on your Keyspan Adapter e TX Ack Advance White Paper on the TX Ack Advance feature e Notices FCC CE VCCI Copyright and Trademark Information e Keyspan Warranty Information Keyspan Warranty Information e Support Information Information about obtaining technical support This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 21 AR Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 7 1 a Frequently Asked Questions FAQs The following is a list of Frequently Asked Questions FAQs about the Keyspan High Speed USB Serial Adapter for Windows Keyspan frequently updates and adds the questions and answers list below For the latest list please visit the our web site at http www keyspan com Frequently Asked Question List Question How do I configure my serial device to recognize the Keyspan High Speed USB Serial Adapter Answer To configure any serial device to use a serial port on any Keyspan USB Serial Adapter you must 1 Locate the software that controls your serial device 2 Access that software s port or connection configuration screen dialog menu etc 3 Select the Keyspa
25. forming This is useful in troubleshooting data communication problems the Open Data Monitor Window button Open Data Monitor Window The Open Data Monitor Window button will open the Keyspan adapter s Line Monitor aka Data Monitor window The Line Monitor will display all data and all modem control state changes sent to and from the High Speed USB Serial Adapter This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 17 RA Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual continued on next page Help Tab the Help tab gt Keyspan High Speed USB Serial Adapter Assistant BBE Adapter Status Properties Port Mapping Diagnostics Help 7 Keyspan High Speed USB Serial Adapter Copyright 2001 2002 InnoSys Inc All Rights Reserved Filename Build Date Assistant 31 k19wasstexe 3 1 04 18 2002 10 42 AM CleanReg 31 cll Swreg dll 31 04 08 2002 04 08 PM USB Driver 3 1 usal Sw sys a1 04 10 2002 11 12 AM Serial Driver 3 1 usalSwp vxd 3 1 04 08 2002 01 56 PM Firmware Version String USA 17 2002feb14 I Enable Tool Tips User s Manual n Home P The Help tab in the Keyspan Serial Assistant displays the version numbers if the different components in your Keyspan USB Serial Adapter installation You can also enable Tool Tips on screen help read your Keyspan adapter s User s Manual or go to Keyspan s home page This Us
26. ions This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 10 l Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual continued on next page Properties Tab the Properties tab D Keyspan High Speed USB Serial Adapter Assistant oi al xi Adapter Status Properties Port Mapping Diagnostics Help Adapter Configuration Adapter USAISW OW 1 7 COM3 Endpoints High Performance Bulk Compatible Interrupt f Port Options Test Options Port fi COM3 IDLE Test Made TX Only Test This Port C Ext LoopBack C Int LoopBack m Test Type Quick Receive FIFO Buffer Size C Continuous 16 Default 7 Test Speed 230400 z Baud Test Status READY TO TEST The Properties tab in the Keyspan Serial Assistant allows you test your Keyspan adapter and make changes to the behavior of the Keyspan adapter The following is an explanation of the items in this tab the Adapter pull down menu Adapter USATIWOW COM The Adapter pull down menu is used to select which High Speed USB Serial Adapter you would like to configure If you only have one Keyspan High Speed USB Serial Adapter you will not need to change the selection the Endpoints radio buttons Endpoints High Performance Bulk Compatible Interrupt The Endpoints radio buttons are used to configure how the Keyspan adapter will communi
27. n port that your device is connected to in port or connection configuration screen dialog menu etc for that device Depending on what type of serial device you have you may have to configure a control panel an application or a plug in Keyspan provides documentation on how to configure many popular serial devices in the Configuration Examples for Windows appendix in this manual Question Can I connect my Keyspan USB device to a USB hub Answer Yes any Keyspan USB device can be connected to a USB hub However there are some USB hubs that cannot fully support some USB devices If you are having problems with a Keyspan USB device that is connected to a USB hub please connect the Keyspan USB device to a built in USB port on your computer If this solves the problem then this may be an issue with your USB hub If This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 22 AR Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual you are encountering this problem or something similar to it please contact Keyspan Tech Support for further instructions This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev 02apr24JA Page 23 Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 7 1 b Compatibility List for Windows The following is a list of serial devices that have been tested with various Keyspan Se
28. nected to your computer disconnect it now Once the Keyspan CD browser has opened click on the Install Software selection and then click on the Install Keyspan USA19QW Software selection This will start the software installer Follow the instructions on screen to complete the installation Step 3 software installation Complete Now that you have installed the Keyspan High Speed USB Serial Adapter software you are ready to install the Keyspan High Speed USB Serial Adapter hardware Please proceed to the installing the Keyspan High Speed USB Serial Adapter Hardware instructions continued on next page This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 4 m Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual Installing the Keyspan High Speed USB Serial Adapter Hardware The following hardware installation instructions provide a basic overview on installing the Keyspan High Speed USB Serial Adapter in a USB port For detailed instructions on how to connect USB devices your specific computer please refer to the USB Device Install section in your computer s user s manual Step 4 Connect the USB cable to the Adapter if necessary If your Keyspan adapter does not have an attached USB cable attach the included USB cable into the Keyspan adapter s USB port Step 5 Connect the Adapter to your USB port Attach the Adapter to your compu
29. odems serial Y Y Y Y Y Y Y Y Y Y Y Y Y Y N Y N Y Y Compatibility List for Windows Notes RIM Blackberry Modems serial USA19 If you have a Keyspan USB PDA Adapter model number USA 19 the Blackberry Desktop Manager v2 1 is not able to communicate with Keyspan USB PDA Adapter with the model number of USA 19 due to a bug in the Desktop Manager The currently shipping models of the Keyspan USB PDA Adapter USA 19Q USA 19Qi are compatible If you have the USA 19 model please contact Keyspan tech support for further details USA19 USA19w USA49w If you are running Windows 98 Windows 98 SE or Windows Me you will have to add AT amp CO to your modem initialization string This is not necessary on Windows 2000 and Windows xP This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev 02apr24JA Page 25 Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 7 1 c Configuration Examples for Windows The following is a list of available configuration examples for Windows These example provide step by step instructions on configuring select serial devices The current example available are e Palm Desktop For the latest version of this list please visit our web site at http www keyspan com For the configuration examples for other operating system ie Mac OS Mac OS X etc please refer to the user manual for that platform or visit our web
30. ong with a copy of your paid invoice to KEYSPAN within 90 days of the date you received the Product If KEYSPAN is unable to make the Product conform to the above warranty KEYSPAN at its option will refund all or a fair portion of the price you paid for this package Any replacement software will be warranted for the remainder of the original 90 day warranty period or for 30 days from the date your received the replacement whichever is longer KEYSPAN DISCLAIMS ALL OTHER WARRANTIES EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE PRODUCT THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS YOU MAY HAVE OTHERS WHICH VARY FROM JURISDICTION TO JURISDICTION No Liability for Consequential Damages In no event shall KEYSPAN or its resellers be liable for any damages whatsoever including without limitation damages for loss of profits business interruption loss of information or other pecuniary loss arising out of the use of or inability to use this KEYSPAN product even if KEYSPAN has been advised of the possibility of such damages Because some jurisdictions do not allow the exclusion or limitation of liability for consequential damages the above limitation may not apply to you The foregoing limitations of warranty and liability inure to the benefit of KEYSPAN licensors having an interest in this package This User Manual applies to th
31. ork JCOM3 fin use The COM port mapping pull down menu allows you to reassign the selected Keyspan COM port in the COM port list window This window also reports whether a COM port is in use In this menu in use means that the selected COM port has assigned or reserved It is highly recommended that you only change the COM port mapping to COM ports that are not in use Note The COM port mapping pull down menu allows you to change the COM port mapping to any COM port including those that have already been assigned aka in use Changing the COM port mapping to a COM port that is in use may render any hardware and or software using that port inoperable the Adapter Port Mapping Mode box Adapter Port Mapping Mode Plug amp Play Instantiation Method Geographic i Dynamic The Adapter Port Mapping Mode box allows you to change the behavior of how Keyspan COM port numbers are assigned when you connect the Keyspan adapter to a different USB port than the one it was originally connected to Dynamic assigns a COM port number or numbers if your Keyspan adapter has multiple serial ports to a particular Keyspan adapter If you disconnect the Keyspan adapter and connect it to a different USB port the COM port number of that Keyspan adapter will not change This is the default setting and is recommended setting if you only have one Keyspan adapter Geographic assigns a COM port number or numbers if your Keyspan adapter has
32. ou live outside of the United States and require assistance with your Keyspan product please contact the Keyspan s distributor in your country for technical support in your language For a list of Keyspan s international distributors please visit our international web page at http www keyspan com international This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 41
33. pBack Use this test sending and receiving data This test sends data out the selected serial port and waits to receive it via a special Loopback connector You can find more information about this special Loopback connector in the Serial Port Pin Outs section in this manual Int Loop Back Use this test sending and receiving data This test is performed within the Keyspan adapter hardware This test DOES NOT require a special Loopback cable This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev 02apr24JA Page 12 Ay R Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual continued on next page the Test Type box Test Type Quick Continuous The Test Type box allows to specify how many times the selected test will be repeated when you press the Test button Use the Quick option to perform the test once To perform a subsequent test press the Test This Port button Use the Continuous option to repeat the test continuously To stop the test press the Stop Test button the Test This Port button becomes the Stop Test button during a test the Test Speed pull down menu Test Speed F600 ka Baud The Test Speed pull down menu allows to specify the speed baud rate at which the port will be tested at when you press the Test This Port button button the Test Status box reports Test Status READY TO TEST The Test Status box reports the t
34. r for Windows v3 1 User Manual e Copy the documentation except for purposes of creating a back up copy for your own use e Modify translate or merge the Software with another program except for your personal use on a single computer Any modifications to the Software are subject to this agreement e Reverse engineer disassemble decompile or make any attempt to discover the source code of the Software e Sublicense rent or lease any portion of the Product e Use the previous version of the Software that has been upgraded or updated under this agreement Upon upgrading or updating the Software the old copy must be deleted from the computer and the original disks destroyed Limited Warranty on Software and Media KEYSPAN warrants the disks on which the Software is distributed to be free from defects in materials and workmanship and that the Software will perform substantially in accordance with the Documentation for a period of 90 days from your receipt of the Product Any written or oral information or advice give by KEYSPAN resellers agents or employees will in no way increase the scope of this warranty If the Product fails to comply with the warranty set forth above KEYSPAN s entire liability and your exclusive remedy will be replacement of the disk or at KEYSPAN s option KEYSPAN s reasonable effort to make the Product meet the warranty set forth above This limited warranty applies only if you return all copies of the Product al
35. rial Products on Windows This list is intended to be used as reference guide and not as complete compatibility list We are constantly testing products and adding them to this list Although compatibility testing of the Keyspan High Speed USB Serial Adapter software has been focused on modems and Palm PDAs most Windows 98 and greater compatible serial devices are compatible with the Keyspan High Speed USB Serial Adapter For the latest version of this list please visit our web site at http www keyspan com For the compatibility list for other operating system ie Mac OS Mac OS X etc please refer to the user manual for that platform or visit our web site at http www keyspan com Legend See Notes section at end of list Configuration Guide Available Not Tested Compatible Not Compatible See Guide for Information 2ZKba Il Q not compatible with Operating System Compatibility List for Windows USA19Qi USA19Q USA19QW Product Guide USA19 USA19W USA49W Graphic Tablets Wacom Tablets Y Y Y PDAs Palm y Y Y Y Psion Revo Y Y Y Sharp Wizard Y Y Y Compaq Aero Y Y Y This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev 02apr24JA Page 24 Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual Casio PV 400 Series RIM Blackberry Royal Vista Windows CE PDAs all models ActiveSync Other Devices C Pen Olympus Digital Cameras M
36. rt number of the Keyspan serial adapter you are connecting to Please note that you can see the COM port number in the Adapter Status tab in the Keyspan Serial Assistant Step 6 Use Your Serial Device Once you ve configured your serial software to use the Keyspan serial port you re ready to start using your serial device under Windows This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 8 Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 5 1 Keyspan Serial Assistant Besides the required drivers the Keyspan High Speed USB Serial Adapter software installer installs an application called Keyspan Serial Assistant This application is used to e Determine the status of the adapter software and hardware e Assist in problem solving Launching the Keyspan Serial Assistant To launch the Assistant open the Keyspan Serial Assistant in Start menu gt Programs gt Keyspan USB 4 Port Serial Adapter gt Keyspan Serial Assistant When you open the Keyspan Serial Assistant you will see the following window the Keyspan Serial Assistant window gt Keyspan High Speed USB Serial Adapter Assistant Adapter Status Properties Port Mapping Diagnostics Help ag USAISW OW 1 COM3 Idle If your Keyspan hardware and software are installed correctly you will see your adapter in the Adapter Status tab box You sho
37. ssages note the Keyspan COM port number ie COM1 COM2 etc and its COM Port Status IDLE or BUSY Proceed to Step 2 This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 27 AK Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual If you do not receive either of these messages proceed Problem Solving section in your Keyspan adapter s manual Step 2 Access the HotSync Manager Before you can begin to HotSync your Palm you must access and configure the HotSync Manager application The HotSync Manager is the program that manages the serial communication between your Palm and your computer The easiest way to access the HotSync Manager is via the Palm Desktop software To do this launch the Palm Desktop software When the Palm Desktop software is running go to the HotSync menu and select the Setup command the HotSync menu amp Setup selection in the Palm Desktop software cE Palm Desktop File Edit View Tools HotSynce Help Custom File Link View Log Once the HotSync Manager application is opened you will be presented with the HotSync Setup window the HotSync Setup window Setup x General Local Modem Network HotSync Manager Always available put in Startup folder Manual you start the HotSync Manager yourself Cancel Apply Help This User Manual applies to the Keyspan High Sp
38. stant BES Adapter Status Properties Port Mapping Diagnostics Help Eh ag USAISW OW 1 COM3 Idle If your Keyspan hardware and software are installed correctly you will see your adapter in the Adapter Status tab box You should also see the COM port number ie COM1 COM2 etc and the COM Port Status IDLE or BUSY The COM port number and its COM port Status message are very important to configuring your serial device The COM port Status is the state of the Keyspan serial port All serial ports have two states BUSY aka Jn Use or IDLE aka Available When serial port is IDLE the port is available for use by any serial device s software When a COM port is BUSY the serial port is in use by software and therefore not available to other programs The COM port number is the address of the Keyspan serial port In order for any serial device to communicate via the Keyspan adapter that serial device s software must be told to use the Keyspan COM port number If you see your COM port number and its COM port Status proceed to Step 4 If you do not see either of these items proceed Problem Solving section in this manual continued on next page This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 7 m Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual Step 4 Determine Where To Select Configure The Keyspan S
39. t improves performance in which case great causes problems in which case don t use it or doesn t make any difference in which case it doesn t matter what you do Calculate If you know that your application will not run into troubles with flow control or data flushing you know what baud rate it uses and you d like to adjust the Tx Ack Advance to most closely approximate the timing of a built in port you can calculate the value yourself using this formula integer baud totalBitsPerCharacter 1000 0 5 This will result in the host receiving the transmit complete message at approximately the same time the last character has actually been transmitted Note the total bits per character includes the start bit the stop bit s the parity bit if any and the data bits So an 8 bit character with one stop bit and no parity has a total of 10 bits This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev 02apr24JA Page 34 Ay R Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 7 1 x Notices Notices United States FCC DECLARATION OF CONFORMITY We InnoSys Incorporated at 3095 Richmond Parkway Suite 207 Richmond CA 94806 USA 510 222 7717 declare under our sole responsibility that the KEYSPAN High Speed USB Serial Adapter Model USA19QW complies with Part 15 of FCC Rules Operation is subject to the following two conditions 1 this device ma
40. ter by connecting the Adapter s USB cable into any built in USB port on your computer or USB Hub It is not necessary to turn off your computer when attaching the Adapter Step 6 Hardware Installation Complete Your Keyspan High Speed USB Serial Adapter is ready for use now that you have installed hardware and software Please proceed to the Configuring Your Serial Device section in this manual for instructions on what to do next This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 5 l Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 4 1 Configuring Your Serial Device Prior to using your serial device modem UPS etc with the Keyspan High Speed USB Serial Adapter you must 1 connect your serial device hardware to the Keyspan port 2 configure your serial device s software to use the Keyspan port The following instructions provide a general overview of this process however we do provide specific configuration instructions for certain serial devices For a list of these examples please read the Configuration Examples for Windows Appendix in this manual Connecting Your Serial Device Hardware If your Keyspan adapter is not connected please do so NOW Step Connect Your Serial Device To The Keyspan Adapter Attach your serial device s ie Palm cradle GPS cell phone serial cable to the serial port on your Keyspan High Speed USB
41. this agreement In the event of termination you must immediately destroy all copies of the Product or return them to KEYSPAN License Grant Upon receipt of full payment for this product KEYSPAN grants you a non exclusive license to e Use one copy of the Software on a single computer Dedicated Computer e Make one copy of the Software for archival purposes or copy the Software onto the hard disk of your computer and retain the original for archival purposes If one individual uses the Software on the Dedicated Computer more than 80 of the time it is in use then the individual may also use a second copy of the Software for use on a single home computer provided such use on a single home computer is limited to no more than 20 of the time e After written notification to KEYSPAN transfer the entire product on a permanent basis to another person or entity provided you retain no copies of the Product and the transferee agrees to the terms of this agreement For the purposes of this section use means loading the Software into RAM as well as installation on a hard disk or other storage device other than a network server You may access the Software from a hard disk over a network or any other means you choose so long as you otherwise comply with this agreement You may NOT This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 38 x Keyspan High Speed USB Serial Adapte
42. uld also see the COM port number ie COM1 COM2 etc and the COM Port Status IDLE or BUSY If you see your COM port number and its COM port Status If you do not see either of these items proceed Problem Solving section in this manual Explanation of Assistant Features The following is a description of all the relevant text boxes and menus found in the Keyspan Serial Assistant You can also obtain this information by turning on the Enable Tool Tips check box in the Help tab in the Assistant window This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 9 R Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual continued on next page Adapter Status Tab the Adapter Status tab Keyspan High Speed USB Serial Adapter Assistant Adapter Status Properties Port Mapping Diagnostics Help age USATSW OW 1 COM3 Idle The Adapter Status tab in the Keyspan Serial Assistant displays the status of your Keyspan adapter Specifically it shows the COM port number ie COM1 COM2 etc and the COM Port Status IDLE or BUSY If you have several Keyspan adapters of the same type they will all show up in this tab This is also the first place to check to see if your Keyspan adapter is working properly If your Keyspan adapter does not show up in the Adapter Status tab please proceed Problem Solving section in this manual for further instruct
43. y not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation CAUTION Changes or modifications to the High Speed USB Serial Adapter not expressly approved by InnoSys Incorporated could void the user s authority to operate this equipment NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult InnoSys Incorporated or an experienced radio TV technician for help continued on next page This User Manual appli
44. yspan adapter software and hardware are working properly The Keyspan serial port is available for use Green On Steady Light The Keyspan serial port is in use by an application on your computer and is ready to send and receive data to and from your serial device Green On Blinking Rapidly The Keyspan serial port is sending and or receiving data Please note that the LED light is only available on the Keyspan High Speed USB Serial Adapter part number USA 19QW It is not available on other part numbers This User Manual applies to the Keyspan High Speed USB Serial Adapter Software for Windows rev O2apr24JA Page 31 Ay R Keyspan High Speed USB Serial Adapter for Windows v3 1 User Manual 7 1 f TX Ack Advance Overview Many Keyspan USB serial adapters support configurable Transmit Acknowledgment Advance aka TX ACK threshold aka TX ACK nowledgement advance etc in the Keyspan Manager This feature allows the user to adjust a device s transmit behavior to achieve the optimum compromise between compatibility exact emulation of built in ports and maximum throughput This document describes the factors which a user should be aware of to guide their configuration of this feature The Problem In the case of a standard built in serial port the host CPU the brain of the computer can communicate directly with the serial hardware because the serial hardware is in the address space directly accessible to the CPU Wh
Download Pdf Manuals
Related Search