Connect one or two DB9 serial devices to a USB port.
Contents
1. 1 3 H x 3 4 W x 4 3 D 3 3 x 8 6 x 4 3 cm 724 746 5500 blackbox com Page 7 Chapter 2 Overview 2 Overview 2 1 Introduction The USB to RS 232 422 485 Interface Converters provide an easy way to connect one or two DB9 serial device s to a single USB port All configuration and electrical interface selections are handled through the driver so you don t have to open the enclosure to set jumpers or switches The serial port is software configurable for RS 232 RS 422 or RS 485 full and half duplex with the electrical interface settings maintained locally so you can repair or upgrade the host computer without reconfiguring the serial ports The IC290A or IC291A can be configured as one computer and deployed to other computers Two models are available e USB to 1 Port RS 232 422 485 Interface Converter IC290A e USB to 2 Port RS 232 422 485 Interface Converter IC291A The IC290A and IC291A software drivers and utilities make installation and operation easy for Windows 98SE ME 2000 XP and Vista operating systems Once the software is installed plug the interface converter into an available USB port Each serial port is recognized as a standard COM port by the host system enabling compatibility with legacy software Serial data rates up to 921 6 kbps are supported To prevent accidental cable disconnection the interface converter integrates a patent pending high retention locking USB port which is fully compatibl2. 3 Installation and Configuration 1 Click on Install the software automatically followed by the Next button 2 Windows will show a warning message that the hardware has not passed Windows logo testing Click on Continue Anyway NOTE All applications and drivers have been fully tested to maintain the integrity of your operating system Clicking on Continue Anyway will not harm your system in any way 3 Click on Finish Repeat this process for the remaining ports on the IC291A 3 3 Verifying Installation To confirm that the drivers have been successfully installed you can look in Device Manager under Ports COM amp LPT and each of the ports you installed will be included on the list with their associated COM numbers To access Device Manager follow the steps below 1 Right click on the My Computer icon on your desktop or in the Start menu 2 Click on Properties in the fly out menu to launch the System Properties window 3 Click on the Hardware tab and then click on the Device Manager button 4 When Device Manager launches look under Ports COM amp LPT to verify that the serial ports have been correctly installed screenshot of IC291A shown only one port will be listed for the IC2904 NOTE Your system will assign the next available COM numbers which may vary for each computer used 724 746 5500 blackbox com Page 13 Chapter 3 Installat
3. de corriente debera ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios de ventilaci n 18 Servicio por personal calificado deber ser provisto cuando A El cable de poder o el contacto ha sido da ado u B Objectos han ca do o l quido ha sido derramado dentro del aparato o C El aparato ha sido expuesto a la lluvia o D El aparato parece no operar normalmente o muestra un cambio en su desempe o o E El aparato ha sido tirado o su cubierta ha sido da ada Page 4 724 746 5500 blackbox com Trademarks Used in this Manual Trademarks Used in this Manual Black Box and the Double Diamond logo are registered trademarks of BB Technologies Inc Windows and Windows Vista are registered trademarks of Microsoft Corporation Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners 724 746 5500 blackbox com Page 5 Table of Contents Table of Contents 1 Specifications tete tdi 7 2 Overview sess eerte eren nnne ennt nnns 8 2 In IRtFOGEICUOfIoue perme eco cette MELLE E tete cen 8 2 2 OO 8 2 3 Whats Inclidegi ue ancianidad 9 2 4 Optional Items You May Need sss 9 2 5 Hardware Description edente test eene aede ns 10 3 Installation and Configuration gsis i i 12 31 SoftwarenstallatiOtr ooo 12
4. serial port properties menu will appear 3 Click on the Interface Settings tab Page 14 724 746 5500 blackbox com Chapter 3 Installation and Configuration NOTE The included driver adds the Interface Settings tab If this tab is missing the software is not correctly installed 1 Port USB to Serial Converter to Serial Port COM3 Propertie 21x General Port Settings Interface Settings iR 1 Port USB to Serial Converter to Serial Port COM3 Interface RS 485 Advanc ERES TX Mode Half Duplex v LI Enable Termination LI Enable Echo Figure 3 2 Interface settings 4 Select the appropriate electrical interface for your application and click on OK NOTE The electrical interface settings are maintained across multiple computers Once the software driver has been installed on target computers the interface converter can easily be moved from one computer to another without having to configure the electrical interface at each computer 3 4 2 Interface Biasing 1K ohm pull up pull down combination resistors bias the receiver inputs and are handled automatically for each mode The pull up PU and pull down PD resistor settings are shown in Table 3 1 724 746 5500 blackbox com Page 15 Chapter 3 Installation and Configuration Table 3 1 Pull up and pull down resistor settings Mode PU Setting PD Setting RS 232 Always off Always off RS 422 Always off Always off RS 485 A
5. 1C290A lt gt BLACK BOX di NETWORK SERVICES Connect one or two DB9 seria devices to a USB port Configurable via software no jumpers or switches Customer Order toll free in the U S Call 877 877 BBOX outside U S call 724 746 5500 Support FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax Information 724 746 0746 Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com FCC and IC RFI Statements NOM Statement FEDERAL COMMUNICATIONS COMMISSION AND INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates uses and can radiate radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio communication It has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart B of Part 15 of FCC rules which are designed to provide reasonable protection against such interference when the equipment is operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the party responsible for compliance
6. 23 2 Hardware lristallatiOt es costa leonel tectis 12 3 3 Vening Installer ind 13 3 4 Hardware Configuration sss 14 3 4 1 Electrical Interface Mode Selection sss 14 3 4 2 Interface Biasinigas cic notet eret qns 15 3 4 3 Line Termination sssssssssssseee 16 Er MNT m 17 345 Status LEDS Oe UU rider inrer ix en iain 17 34 6 DB9MiSerlal Connector caninos 18 3 47 High Retention USB Port sssssssssssssse 18 Appendix A Troubleshooting ssssssssssseeeeeennns 19 AT Troubleshooting TIS tte o e cepe tus 19 A 2 Contacting Black BOX eite cdta 23 A 3 Shipping and Packaging tct tne 23 Appendix B Electrical Interfaces sss 24 Page 6 724 746 5500 blackbox com Chapter 1 Specifications 1 Specifications Interface IC290A 1 RS 232 422 485 serial port 1 USB IC291A 2 RS 232 422 485 serial ports 1 USB Maximum Data Rate Up to 921 6 kbps UARTs High speed USB UARTs with 128 byte TX FIFOs and 384 byte RX FIFOs Connectors IC290A 1 high retention USB Type B 1 DB9 serial IC291A 1 high retention USB Type B 2 DB9 serial Temperature Tolerance Operating 32 to 158 F 0 to 70 C Storage 50 to 105 F 58 to 221 F Relative Humidity Operating 10 to 90 noncondensing Storage 10 to 90 noncondensing Power Derives 200 mA power from your computer or a self powered hub Size
7. 46 5500 or info blackbox com A 2 Contacting Black Box If you determine that your USB to RS 232 422 485 Interface Converter is malfunctioning do not attempt to alter or repair the unit It contains no user serviceable parts Contact Black Box Technical Support at 724 746 5500 or info blackbox com Before you do make a record of the history of the problem We will be able to provide more efficient and accurate assistance if you have a complete description including e the nature and duration of the problem e when the problem occurs e the components involved in the problem e any particular application that when used appears to create the problem or make it worse A 3 Shipping and Packaging If you need to transport or ship your USB to RS 232 422 485 Interface Converter e Package it carefully We recommend that you use the original container e If you are returning the unit make sure you include everything you received with it Before you ship for return or repair contact Black Box to get a Return Authorization RA number 724 746 5500 blackbox com Page 23 Appendix B Electrical Interfaces B Electrical Interfaces The IC290A connects to a single USB port and provides a single RS 232 422 485 software configurable serial port The IC291A connects to a single USB port but also provides two RS 232 422 485 software configurable serial ports The IC290A and IC291A use high speed USB UARTs with 128 byte TX FIFOs and 384 b
8. 85 4 Figure 2 1 1 port interface converter IC290A Page 10 724 746 5500 blackbox com Chapter 2 Overview Number lt gt BLACK BOX www blackbox com 2 Port USB Serial Converter BLACK BOX USB CONVERTER MODE DATA OO PORT 1 MODE LED Green RS 232 Red RS 422 485 MODE DATA 4 4 Figure 2 2 2 port interface converter IC291A Table 2 1 Interface converter components Component Description Hole for thumbscrew Securely holds USB cable in place High retention USB Type B connector Links securely to USB device via cable Data LED s Blinks when data is being transmitted or received DB9 connector s Links to 1 or 2 serial device ports Lights green when RS 232 mode is selected Mode LED s Lights red when RS 422 or RS 485 mode is selected Lights when the hub is properly powered through the EN able green LED USB port and the communication between the device and host has been enabled 724 746 5500 blackbox com Page 11 Chapter 3 Installation and Configuration 3 Installation and Configuration 3 1 Software Installation Windows 98 ME 2000 XP Vista Operating Systems 1 Start Windows 2 Insert the Sealevel Software CD into your CD DVD drive 3 If Auto Start is enabled the installation window will automatically appear Otherwise navigate to the root directory of your CD drive and double click the autorun exe application to launch the
9. ce Converter e 1 6 ft 1 8 m USB Type A to high retention USB Type B cable e Software and this user s manual on CD ROM 2 4 Optional Items You May Need Depending upon your application you might also need the following items Contact Black Box Technical Support at 724 746 5500 or info blackbox com for details Cables e DB9F to DB25M RS 232 Extension Cable BCO3000 0006 MF The BC3000 0006 MF is a standard AT style RS 232 modem cable with a DB9F connector on one end and a DB25M connector on the other This cable is 72 inches long e DB9F to DB9M Extension Cable BC00200 The BC00200 allows users to extend a DB9 cable up to six feet The connectors are pinned one to one so the cable is compatible with any device or cable that has DB9 connectors 724 746 5500 blackbox com Page 9 Chapter 2 Overview Terminal blocks The IC981 terminal block breaks out a DB9 connector to nine screw terminals to simplify field wiring of serial connections including RS 422 and RS 485 networks Adapters and Converters The FA756 is a DB9 female to RJ45 adapter It can be configured without tools and it is an excellent choice for using available infrastructure wiring 2 5 Hardware Description Figures 2 1 and 2 2 show the IC290A and IC291A Table 2 1 describes their components lt gt BLACK BOX www blackbox com BLACK BOX USB CONVERTER MODE DATA OE 00000 Ol 5ooo 9 PORT 1 MODE LED Green RS 232 Red RS 422 4
10. could void the user s authority to operate the equipment This digital apparatus does not exceed the Class A limits for radio noise emission from digital apparatus set out in the Radio Interference Regulation of Industry Canada Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la classe A prescrites dans le Reglement sur le brouillage radio lectrique publi par Industrie Canada Normas Oficiales Mexicanas NOM Electrical Safety Statement INSTRUCCIONES DE SEGURIDAD Todas las instrucciones de seguridad y operaci n deber n ser le das antes de que el aparato el ctrico sea operado 2 Las instrucciones de seguridad y operaci n deber n ser guardadas para referencia futura 3 Todas las advertencias en el aparato el ctrico y en sus instrucciones de operaci n deben ser respetadas Page 2 724 746 5500 blackbox com 10 Til 12 13 14 15 NOM Statement Todas las instrucciones de operaci n y uso deben ser seguidas El aparato el ctrico no deber ser usado cerca del agua por ejemplo cerca de la tina de ba o lavabo s tano mojado o cerca de una alberca etc El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante Servicio El usuari
11. d Ethernet switches all supported by free live 24 7 Tech support available in 30 seconds or less Copyright 2011 Black Box Corporation All rights reserved 1C290A version 1 724 746 5500 blackbox com
12. e with standard USB cables When used with the included USB cable the metal thumbscrew provides a secure connection to the device Standard operating temperature range is 32 to 158 F 0 to 70 C and extended temperature range is 4 to 185 F 40 C to 85 C Status LEDs display electrical interface selection and serial data activity 2 2 Features e Serial ports are software configurable for RS 232 RS 422 and two wire or four wire RS 485 e Maintains electrical interface settings across multiple computers e Uses high speed UART with 128 byte Tx FIFO and 384 byte Rx FIFO e Automatically enables disables hardware RS 485 DB9M connector serial port supports data rates to 921 6 kbps Page 8 724 746 5500 blackbox com Chapter 2 Overview e Powered by USB host connection e Implements full modem control signals in RS 232 mode e Status LEDs indicate power electrical interface and serial data activity e Flexible mounting options e DIN rail clips are available as an option Call Tech Support for details 2 3 What s Included The interface converters ship with the following items If any of these items is missing or damaged contact Black Box Technical Support at 724 746 5500 or info blackbox com IC290A e USB to 1 Port RS 232 422 485 Interface Converter e 1 6 ft 1 8 m USB Type A to high retention USB Type B cable e Software and this user s manual on CD ROM IC291A e USB to 2 Port RS 232 422 485 Interfa
13. endix A Troubleshooting COM3 Properties Figure A 2 COM3 properties tab e Click Apply and OK e Select the BERT tab and with the loopback connected to the port you want to test click on the Start button If testing RS 485 be sure that ECHO is enabled see Figure A 3 724 746 5500 blackbox com Page 21 Appendix A Troubleshooting WinSSD COM3 9600 8 N 1 None Port Information Loopback ut Toggle RTS O Bit Error Rate Test Transmit Frames Receive Frames Bytes Checked Bit Errors Sync Losses Tx Data Rate Rx Data Rate Sync Status No Data Test Time 000 00 00 Figure A 3 Start button in WinSSD COM3 screen e f the COM port is working properly the green light will glow and the Transmit Frames and Receive Frames will increase The Tx and Rx Data Rates will show the calculated data rate see Figure A 4 WinSSD COM3 9600 8 N 1 None Bit Error Rate Test Transmit Frames Receive Frames Bytes Checked Bit Errors Sync Losses 0 Tx Data Rate 9600 bps Rx Data Rate 9600 bps Sync Status Test Time 000 00 15 Reset Stats Figure A 4 Calculated data rate Page 22 724 746 5500 blackbox com Appendix A Troubleshooting e You can continue testing this port with different configurations or proceed with testing other ports if necessary If these steps do not solve your problem contact Black Box Technical Support at 724 7
14. etal thumbscrew provides a secure metal to metal connection and prevents accidental cable disconnection Accidental cable disconnection is the most common point of failure with USB industrial I O devices High retention USB port cables and connectors prevent that while being fully compatible with standard USB cables Figure 3 5 shows the IC290A secured with the included cable Figure 3 5 Secure cable connection Page 18 724 746 5500 blackbox com Appendix A Troubleshooting A Troubleshooting A 1 Troubleshooting Tips The adapter should provide years of trouble free service However if it appears to be functioning incorrectly the following tips can eliminate most common problems ij Make sure that the SeaCOM software has been installed on the machine so that the necessary files are in place to complete the installation To confirm installation click on the Windows Start button and then select All Programs You should see the SeaCOM program folder listed NOTE The driver must be installed before the adapter is connected to your computer Check to make sure that USB support is enabled and functioning properly in the operating system The presence of the Universal Serial Bus controllers listing in Device Manager will confirm that USB support is enabled in Windows 98SE ME 2000 XP or Vista operating systems While Device Manager is open locate the COM ports described under Verifying Installa
15. installation window 4 Click the Install button ul Type in your part number IC290A or IC2914 or select your adapter from the listing 6 Click the Install Drivers button 7 The setup file will automatically detect the operating environment and install the proper components To confirm that the driver has been successfully installed click on the Start button and then select All Programs You should see the SeaCOM program folder listed You are now ready to proceed with connecting the IC290A or IC291A to your system Refer to the Hardware Installation section below for details NOTE Windows NT is not USB aware so it cannot support this device 3 2 Hardware Installation NOTE Do not connect the device to a USB port until the software has been successfully installed To install the IC290A or IC291A plug the device into an available USB port using the supplied USB cable The following instructions were tested with Windows XP and may vary based on your version of Windows Once the device has been connected the Found New Hardware wizard will appear first for the root hub and then for each port that you are installing Follow the instructions on the next page to finish installation NOTE The installation will repeat twice for each COM port a total of four times on two port devices This is a limitation in the way Windows installs external serial devices Page 12 724 746 5500 blackbox com Chapter
16. ion and Configuration Device Manager File Action View Help sz amp l mr mu asa 1 Port USB to Serial Converter H Computer gt Disk drives g Display adapters DVD CD ROM drives 3 Floppy disk controllers Floppy disk drives IDE ATA ATAPI controllers Keyboards O Mice and other pointing devices Monitors f Multi port serial adapters E Network adapters 57 Ports COM amp LPT Communications Port COM1 Sf Communications Port COM2 SJ ECP Printer Port LPT1 E Processors 2 SCSI and RAID controllers Sound video and game controllers P System devices eA Universal Serial Bus controllers THEEHEHHEEHEEHEHEEHEHEEHE HE HH Figure 3 1 Device Manager screen 3 4 Hardware Configuration 3 4 1 Electrical Interface Mode Selection The interface converter offers RS 232 RS 422 and RS 485 full and half duplex modes The electrical interface is a software selectable feature that you can access and change using the included driver via Device Manager To select the electrical interface follow the steps below 1 Open Device Manager and locate Ports COM amp LPT following the steps above You should see the port s listed 2 Select one of the ports by right clicking on it and selecting Properties from the fly out menu The
17. lways on Always on 3 4 3 Line Termination A 120 ohm resistor is across each RS 422 485 input If multiple devices are configured in an RS 485 network only the devices on each end should have the termination in place Termination configuration is software selectable for both full and half duplex RS 485 By default line termination is disabled and this configuration can be set by placing a check next to Enable Termination in the RS 485 Advanced Configuration field as shown in Figure 3 3 1 Port USB to Serial Converter to Serial Port COM3 Propertie General Port Settings Interface Settings R7 1 Port USB to Serial Converter to Serial Port COM3 Interface RS 485 v RS 485 Advanced Configuration TX Mode LELET IGA v Enable Termination L Enable Echo Cancel Figure 3 3 Enable Termination Page 16 724 746 5500 blackbox com Chapter 3 Installation and Configuration 3 4 4 Echo The RS 485 Echo is the result of connecting the receiver inputs to the transmitter outputs Each time a character is transmitted it is also received This can be beneficial if the software can handle echoing that is using received characters to throttle the transmitter but it can also confuse the system if the software cannot support echoing Echo configuration is software selectable for half duplex RS 485 By default ECHO is disabled and this configuration can be se
18. o no debe intentar dar servicio al equipo el ctrico m s all lo descrito en las instrucciones de operaci n Todo otro servicio deber ser referido a personal de servicio calificado El aparato el ctrico debe ser situado de tal manera que su posici n no interfiera su uso La colocaci n del aparato el ctrico sobre una cama sof alfombra o superficie similar puede bloquea la ventilaci n no se debe colocar en libreros o gabinetes que impidan el flujo de aire por los orificios de ventilaci n El equipo el ctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplificadores que producen calor El aparato el ctrico deber ser connectado a una fuente de poder s lo del tipo descrito en el instructivo de operaci n o como se indique en el aparato Precauci n debe ser tomada de tal manera que la tierra fisica y la polarizaci n del equipo no sea eliminada Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobre o contra ellos poniendo particular atenci n a los contactos y recept culos donde salen del aparato El equipo el ctrico debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante En caso de existir una antena externa deber ser localizada lejos de las lineas de energia 724 746 5500 blackbox com Page 3 NOM Statement 16 El cable
19. t by placing a check next to Enable Echo in the RS 485 Advanced Configuration field as shown in Figure 3 4 1 Port USB to Serial Converter to Serial Port COM3 Prope rtie Port Settings Interface Settings Az 1 Port USB to Serial Converter to Serial Port COM3 Interface RS 485 v RS 485 Advanced Configuration TX Mode LELA 24 v LI Enable Termination Enable Echo OK Cancel Figure 3 4 Enable Echo 3 4 5 Status LEDs Status LEDs on the front of the converter indicate the following information e MODE Red or Green Indicates the electrical interface selected Green indicates RS 232 mode Red indicates RS 422 or RS 485 mode e DATA Green Blinks to indicate data is being transmitted or received EN able Green Lights when the hub is properly powered through the USB port and communication between the device and host has been enabled 724 746 5500 blackbox com Page 17 Chapter 3 Installation and Configuration 3 4 6 DB9M Serial Connectors The IC290A includes one DB9 male serial connector with full modem control signals implemented in RS 232 mode The IC291A includes two of these DB9 serial connectors Pinouts for these connectors are included in Appendix B 3 4 7 High Retention USB port The converter integrates a patent pending high retention USB port which is fully compatible with standard USB cables When used with high retention USB port locking USB cables the m
20. tion in the Installation and Configuration section of this manual Once you have confirmed that the COM ports are listed in Device Manager you can use the WinSSD utility and a loopback plug to test communications Detailed help is included in the WinSSD utility If you have a loopback plug put it on the DB9 connector that you want to test If you don t have a loopback plug contact Technical Support for assistance If you re testing RS 485 mode you ll need to have ECHO enabled otherwise the following test will fail Refer to the Hardware Configuration section for instructions on enabling ECHO To test communications launch the WinSSD utility in the folder under the Start menu 724 746 5500 blackbox com Page 19 Appendix A Troubleshooting e On the Port Information tab select the COM port you want to test and click on the Open button see Figure A 1 WinSSD COM3 9600 8 N 1 None Port Information Out muaa bee ium Timeout ol Read Total Timeout Multiplier Read Total Timeout Constant Write Total Timeout Multiplier Write Total Timeout Constant Error Log Frame Errors Parity Errors Rx Buff Overfl Tx Buff Overfl Figure A 1 Port information tab e Click the Settings button to open the COM Properties menu Change your parameters to 9600 bits per second 8 data bits no parity 1 stop bit and no flow control as pictured in Figure A 2 Page 20 724 746 5500 blackbox com App
21. yte RX FIFOs The chips feature programmable baud rates and data rates to 921 6 kbps Connector Pinouts RS 232 DB9 male Figure B 1 DB9 male connector Table B 1 RS 232 looooo5 DB9 male connector O1g 00009 O pinout Pin Number Signal 1 DCD 2 RX 3 TX 4 DTR 5 GND 6 DSR 7 RTS 8 GIS 9 RI Page 24 724 746 5500 blackbox com Appendix B Electrical Interfaces RS 422 and RS 485 four wire DB9 male Figure B 2 DB9 male connector Table B 2 RS 422 and gt RS 485 DB9 mal 00000 DED male O1g 00009 O connector pinout Pin Number Signal 1 RX 2 RX 3 TX 4 TX 5 GND NOTE Pins 6 9 are not connected RS 485 two wire DB9 male Figure B 3 DB9 male connector Table B 3 RS 422 and 1 z E 00000 RS 485 DB9 male O O connector pinout Pin Number Signal 3 DATA 4 DATA 5 GND NOTE Pins 1 2 and 6 9 are not connected 724 746 5500 blackbox com Page 25 NOTES Page 26 724 746 5500 blackbox com NOTES 724 746 5500 blackbox com Page 27 Black Box Tech Support FREE Live 24 7 Tech support the way it should be EN 4 E Great tech support is just 30 seconds away at 724 746 5500 or blackbox com BLACK BOX About Black Box Black Box Network Services is your source for an extensive range of networking and infrastructure products You ll find everything from cabinets and racks and power and surge protection products to media converters an
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