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724-746-5500 | blackbox.com

Appendix B: Electrical Interfaces

Appendix B. Electrical Interfaces

The IC293A connects to a single USB port and provides eight RS-232/422/485
software configurable serial ports. The IC293A uses high-speed USB/UARTs with
128-byte TX FIFOs and 384-byte 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

(DB9 male connector

pinout).

Pin Number

Signal

1

DCD

2

RX

3

TX

4

DTR

5

GND

6

DSR

7

RTS

8

CTS

9

RI

6

9

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22
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Summary of Contents for IC293A

Page 1: ...Interface Converter Order toll free in the U S Call 877 877 BBOX outside U S call 724 746 5500 FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 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 Customer Support Information IC293A ...

Page 2: ...uired to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This digital apparatus does not exceed the Class A limits for radio noise emis sion from digital apparatus set out in the Radio Interference Regulation of Industry Canada Le prés...

Page 3: ...ra o superficie similar puede bloquea la ventilación no se debe colocar en libreros o gabinetes que impidan el flujo de aire por los orificios de ventilación 10 El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplificadores que producen calor 11 El aparato eléctrico deberá ser connectado a una fuente...

Page 4: ...o sean derramados sobre la cubierta u orificios de ventilación 18 Servicio por personal calificado deberá ser provisto cuando A El cable de poder o el contacto ha sido dañado u B Objectos han caído o líquido 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 desempeño o E El aparato ha sido tirado o...

Page 5: ...n 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 ...

Page 6: ...on 11 3 2 Hardware Installation 11 3 3 Verifying Installation 12 3 4 Hardware Configuration 13 3 4 1 Electrical Interface Mode Selection 13 3 4 2 Interface Biasing 14 3 4 3 Line Termination 15 3 4 4 Echo 16 3 4 5 High Retention USB Type B Port 16 3 4 6 Status LEDs 17 3 4 7 DB9M Serial Connectors 17 3 4 8 Locking USB Cables 17 Appendix A Troubleshooting 18 A 1 Troubleshooting Tips 18 A 2 Contacting...

Page 7: ... C Storage 50 to 105 F 58 to 221 F Relative Humidity Operating 10 to 90 noncondensing Storage 10 to 90 noncondensing Power Derives 500 mA power from your computer or a self powered hub NOTE This device is a high power USB device It must be plugged directly into a USB port on your computer or a self powered hub capable of supplying 500 mA per port Some laptop computers running on battery power and ...

Page 8: ...idental cable disconnection the interface converter integrates a patent pending high retention locking USB port that is fully compatible with standard USB cables When used with the included USB cable with a high retention USB type B connector 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 ...

Page 9: ...6 MF The BC03000 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 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 Terminal blocks The IC98...

Page 10: ...verter IC293A Table 2 1 IC293A components Number Component Description 1 Power LED Lights when the hub is properly powered through the USB port 2 High retention USB Type B connector Links securely to USB device via cable 3 8 Data LED s Blinks when data is being transmitted or received 4 Hole for thumbscrew Securely holds USB cable in place 5 8 Mode LED s Lights green when RS 232 mode is selected L...

Page 11: ...rt button and then select All Programs You should see the SeaCOM program folder listed You are now ready to proceed with connecting the IC293A to your system Refer to the Hardware Installation section 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...

Page 12: ...rifying Installation To confirm that the drivers have been successfully installed you can look in Device Manager under Ports COM 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 ...

Page 13: ...trical interface is a software selectable feature that can be accessed and changed using the included driver via Device Manager To select the electrical interface follow the steps below 1 Open Device Manager and locate Ports COM 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 serial ...

Page 14: ...n 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 hand...

Page 15: ...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 Conf...

Page 16: ...tware cannot support echoing Echo configuration is software selectable for half duplex RS 485 By default ECHO is disabled and this configuration can be set by placing a check next to Enable Echo in the RS 485 Advanced Configuration field as shown in Figure 3 4 Figure 3 4 Enable Echo 3 4 5 High Retention USB Port The interface converter integrates a patent pending high retention USB port that is fu...

Page 17: ... male serial connectors with full modem control signals implemented in RS 232 mode Pinouts for these connectors are included in Appendix B 3 4 8 High Retention USB Type B Port The converter integrates a patent pending High Retention USB port that is fully compatible with standard USB cables When used with high retention locking USB cables the metal thumbscrew provides a secure metal to metal conne...

Page 18: ...ting in Device Manager will confirm that USB support is enabled in Windows 98SE ME 2000 XP or Vista operating systems 3 While Device Manager is open locate the COM ports described under Verifying Installation in the Installation and Configuration section of this manual 4 Once you have confirmed that the COM ports are listed in Device Manager you can use the WinSSD utility and a loopback plug to te...

Page 19: ...hooting Figure A 1 Port Information tab 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 Figure A 2 COM3 Properties tab ...

Page 20: ... you want to test click on the Start button If testing RS 485 be sure that ECHO is enabled see Figure A 3 Figure A 3 Start button in WinSSD COM3 screen If 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 ...

Page 21: ...B to Multi 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 the nature an...

Page 22: ...rt or ship your USB to Multi RS 232 422 485 Interface Converter Package it carefully We recommend that you use the original container 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 ...

Page 23: ... 485 software configurable serial ports The IC293A uses high speed USB UARTs with 128 byte TX FIFOs and 384 byte 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 DB9 male connector pinout Pin Number Signal 1 DCD 2 RX 3 TX 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 RI 6 9 ...

Page 24: ...ector Table B 2 RS 422 and RS 485 DB9 male connector pinout Pin Number Signal 1 RX 2 RX 3 TX 4 TX 5 GND 6 9 NOTE Pins 6 9 are not connected RS 485 two wire DB9 male Figure B 3 DB9 male connector Table B 2 RS 422 and RS 485 DB9 male connector pinout Pin Number Signal 3 DATA 4 DATA 5 GND 6 9 NOTE Pins 1 2 and 6 9 are not connected ...

Page 25: ...Page 25 724 746 5500 blackbox com NOTES ...

Page 26: ...Page 26 724 746 5500 blackbox com NOTES ...

Page 27: ...Page 27 724 746 5500 blackbox com NOTES ...

Page 28: ...x 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 and 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 IC293A version 1 ...

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