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Appendix B: Electrical Interfaces

Appendix B. Electrical Interfaces

The IC292A connects to a single USB port and provides eight RS-232/422/485
software configurable serial ports. The IC292A 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

«
...
21
22
23
24
25
...
»

Содержание IC292A

Страница 1: ...ce Converter 4 Port 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 IC292A ...

Страница 2: ...ired 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 prése...

Страница 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...

Страница 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...

Страница 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 ...

Страница 6: ...uration 11 3 1 Software Installation 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 Status LEDs 16 3 4 6 DB9M Serial Connectors 17 Appendix A Troubleshooting 18 A 1 Troubleshooting Tips 18 A 2 Contacting Black Box 21 A 3 Shipping and Pac...

Страница 7: ...age 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 non pow...

Страница 8: ...d To prevent accidental 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 te...

Страница 9: ... 0006 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 ...

Страница 10: ...C292A 5 Figure 2 2 Back panel 4 port interface converter IC292A Table 2 1 IC292A components Pin Signal Direction 1 Power LED Lights when the hub is properly powered through the USB port 2 USB Type B port Links to USB Type B device 3 Data LEDs Blinks when data is being transmitted or received 4 Mode LEDs Lights green when RS 232 mode is selected Lights red when RS 422 or RS 485 mode is selected 5 4...

Страница 11: ...should see the SeaCOM program folder listed You are now ready to proceed with connecting the IC292A 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 IC292A plug the devic...

Страница 12: ...ve 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 launch the System Properties window 3 Click on the ...

Страница 13: ... be accessed and changed using the included driver via Device Manager To select the electrical interface follow these steps 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 port properties menu will appear 3 Click on the Interface Sett...

Страница 14: ...cross 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...

Страница 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...

Страница 16: ...tem 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 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 Status LEDs Status LEDs on the front of the converter indicate the following information MODE Re...

Страница 17: ...e hub is properly powered through the USB port and communication between the device and host has been enabled 3 4 6 DB9M Serial Connectors The IC292A includes four DB9 male serial connector with full modem control signals implemented in RS 232 mode Pinouts for these connectors are included in Appendix B ...

Страница 18: ... 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 test c...

Страница 19: ...hooting Figure A 1 Port information tab Click the Settings button to open the COM3 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 ...

Страница 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 ...

Страница 21: ... to 4 Port 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...

Страница 22: ...t or ship your USB to 4 Port 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 ...

Страница 23: ... 485 software configurable serial ports The IC292A 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 ...

Страница 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 ...

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

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

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

Страница 28: ... 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 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 IC292A version 1 ...

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