Summary of the content on the page No. 1 
                    
                         
NPort 1220/1240 USB-to-Serial Hub  
User’s Manual 
Third Edition, November 2005 
www.moxa.com/product 
 Moxa Technologies Co., Ltd. 
Tel: +886-2-8919-1230 
Fax: +886-2-8919-1231 
 
Web: www.moxa.com 
 
MOXA Technical Support 
Worldwide:  support@moxa.com.tw 
The Americas support@moxa.com 
                                                                                                                                                                                                                
                    
                    Summary of the content on the page No. 2 
                    
                          NPort 1220/1240 USB-to-Serial Hub  User’s Manual  The software described in this manual is furnished under a license agreement and may be used only in  accordance with the terms of that agreement.      Copyright Notice    Copyright © 2005 Moxa Technologies Co., Ltd.  All rights reserved.  Reproduction without permission is prohibited.      Trademarks    MOXA is a registered trademark of the Moxa Group.  All other trademarks or registered marks in this manual belong to their respective manufact
                    
                    Summary of the content on the page No. 3 
                    
                          Table of Contents  Chapter 1 Introduction ..................................................................................... 1-1  Overview.................................................................................................1-2  Package Checklist ..................................................................................1-2  Product Features ....................................................................................1-2  Product Specifications .....................
                    
                    Summary of the content on the page No. 4 
                    
                          1  1  Chapter 1 Introduction  Welcome to MOXA NPort 1220/1240 USB-to-Serial Hub. NPort 1220 provides 2 RS-422/485  serial ports and NPort 1240 provides 4 RS-232 serial ports.  The following topics are covered in this chapter:   Overview   Package Checklist   Product Features   Product Specifications                                                                                                                                                                                                      
                    
                    Summary of the content on the page No. 5 
                    
                        NPort 1200/1240 User’s Manual Introduction  Overview  NPort 1200 Series USB to serial servers provide an extremely convenient means of connecting  serial devices to a PC. In fact, you don’t even need to power-down the PC. Just install the software  that comes with the product, and then connect your serial devices directly to the NPort.   NPort 1200 Series products are compliant with both USB 1.0 and 1.1 specifications, are  compatible with USB 2.0, and meet the 12 Mbps full speed requirement.  M
                    
                    Summary of the content on the page No. 6 
                    
                        NPort 1200/1240 User’s Manual Introduction  Product Specifications  NPort 1240  USB  Compliant with USB 1.1, 1.0  USB 2.0 backwards compatible  Connector USB type B  Speed Full speed 12 Mbps     Serial  No. of Ports 4  Interface RS-232: TxD, RxD, RTS, CTS, DTR, DSR, GND  Connector DB9 Male  FIFO 64 bytes  Serial line protection 16 KV ESD for all signals     Serial Communication Parameters  Parity None, Even, Odd  Data bits 7, 8  Stop bit 1, 2  Flow Control ADDC (Auto Data Direction Control)  Spe
                    
                    Summary of the content on the page No. 7 
                    
                        NPort 1200/1240 User’s Manual Introduction  NPort 1220  USB  Compliant with USB 1.1, 1.0  USB 2.0 backwards compatible  Connector USB type B  Speed Full speed 12 Mbps     Serial  No. of Ports 2  Interface 4-wire RS-422: TxD+/-, RxD+/-, GND   4-wire RS-485: TxD+/-, RxD+/-, GND   2-wire RS-485: Data+/-, Data+/-, GND  Connector Terminal Block  FIFO 64 bytes  Serial line protection 16 KV ESD for all signals     Serial Communication Parameters  Parity None, Even, Odd  Data bits 7, 8  Stop bit 1, 2  F
                    
                    Summary of the content on the page No. 8 
                    
                        NPort 1200/1240 User’s Manual Introduction  Panel Layout   NPort 1240 Top Panel   NPort 1220 Top Panel     NPort 1240  serial interfaces             NPort 1220  serial interfaces       1-5                                                                                                                                                                                                                                                                                                                        
                    
                    Summary of the content on the page No. 9 
                    
                        NPort 1200/1240 User’s Manual Introduction  Dimensions   NPort 1240     NPort 1220         1-6                                                                                                                                                                                                                                                                                                                                                                                                                      
                    
                    Summary of the content on the page No. 10 
                    
                        NPort 1200/1240 User’s Manual Introduction    DIP Switch Settings       1-7                                                                                                                                                                                                                                                                                                                                                                                                                                         
                    
                    Summary of the content on the page No. 11 
                    
                          2  2  Chapter 2 Driver Installation  This chapter includes information about installing the driver for NPort 1220/1240. We present the  installation procedure for both Windows 98 and Windows 2000 (the procedure for Windows XP is  essentially the same as for Windows 2000):     Installing the Driver   Checking the Installation   Comfiguring the Ports   Windows 98   Windows 2000/XP   Panel Layout   Uninstalling the Driver        For best results, we recommend that you install the USB driver for N
                    
                    Summary of the content on the page No. 12 
                    
                        NPort 1200/1240 User’s Manual Driver Installation  Installing the Driver  1. Connect NPort 1220/1240’s USB Port to your computer’s USB port. Make sure NPort  1220/1240 and your computer is properly connected.  2. After you connect NPort 1220/1240 to your computer, a Found New Hardware window will  automatically open.    3. When the Found New Hardware Wizard starts up, click Next to continue installing the USB  driver.    4.  The setup program will prompt you with an Install Hardaware Device Driv
                    
                    Summary of the content on the page No. 13 
                    
                        NPort 1200/1240 User’s Manual Driver Installation    5. A window will open asking you where you want to locate the driver files. Check Specify a  location box, .and then click Next.    6. A window will open asking you to insert the installation disk. Insert the installation disk into  your CD drive,and then click Browse to locate the installation file.    2-3                                                                                                                                           
                    
                    Summary of the content on the page No. 14 
                    
                        NPort 1200/1240 User’s Manual Driver Installation    7.  Select klsibus.inf, and then click OPEN.      8.  Click OK to continue.    2-4                                                                                                                                                                                                                                                                                                                                                                             
                    
                    Summary of the content on the page No. 15 
                    
                        NPort 1200/1240 User’s Manual Driver Installation    9. A window will open showing the Driver Files Search Results. Click Next to install the  driver.       10. When the Completing the Found New Hardware Wizard window opens, click Finish to  close the wizard.    2-5                                                                                                                                                                                                                                          
                    
                    Summary of the content on the page No. 16 
                    
                        NPort 1200/1240 User’s Manual Driver Installation    11. A welcome message will appear. Click Next to continue installing Moxa [Port 1].      12. A window will open asking you to insert the installation disk. Insert the installation disk into  your CD drive, and then click Browse to locate the installation file. Select klsiw2k.inf and  then click OPEN. Click OK to continue.    2-6                                                                                                                     
                    
                    Summary of the content on the page No. 17 
                    
                        NPort 1200/1240 User’s Manual Driver Installation    13. A window will open showing the Driver Files Search Results. Click Next to install the  driver.      14. When Completing the Found New Hardware Wizard window opens, click Finish to close  this wizard.    2-7                                                                                                                                                                                                                                             
                    
                    Summary of the content on the page No. 18 
                    
                        NPort 1200/1240 User’s Manual Driver Installation    If you wish to install the driver using “Install Driver” program, you will need to follow the  NOTE  instructions below.  1. Insert the software CD (included in the NPort 1220/1240 package) into your computer’s CD  drive, and then click on Install Software.  2. When the Install Driver window opens, click on Install to install the driver files in the default  folder (C:\Program Files\Moxa USB to Serial\drivers), or click on Browse to select a d
                    
                    Summary of the content on the page No. 19 
                    
                        NPort 1200/1240 User’s Manual Driver Installation  Checking the Installation  You can check the installation of NPort 1220/1240 under your computer’s Device Manager  window. You should check under both Ports (COM & LPT) and Universal Serial Bus  controllers.  Windows 98       Windows 2000/XP      To double check that the driver and port installation is correct, unplug the NPort 1220/1240 from  NOTE  your computer’s USB port —while the Device Manager window is open. The MOXA listings under  both 
                    
                    Summary of the content on the page No. 20 
                    
                        NPort 1200/1240 User’s Manual Driver Installation  Configuring the Ports  Port configuration for NPort 1220/1240 differs slightly between Windows 98 and Windows  2000/XP. To modify the configuration for a particular port, double click on the listing for that port  under Ports (COM & LPT) in the Device Manager window.  Windows 98  Click on the Port Settings tab to change the Bits per second (data transmission speed), Data bits,  Parity, Stop bits, and Flow control.    Click on Advanced… to open t