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7

 

 

 

2.  Find and run the TTY example program (simple terminal). 

From the Start menu, choose Run, browse to and select D:\Fastcom_disks\AsyncPCI\tty\tty2.exe. 
Click the Open button. 
Click the OK button to run the program. 
 

3.  With the TTY program running, select Settings from the menu. 

Select the COM port number that has the loopback plug on it. 
Uncheck all of the flow control checkboxes (DTR/DSR, RTS/CTS, XON/XOFF). 
Click OK. 
From the TTY Main menu select Action, then Connect. 
 

4.  At this point you should get a blinking cursor in the upper left corner (under the menu bar). 
 
5.  You should be able to type on the keyboard and see the letters that you type on the screen.  If you see what 

you are typing, then your port is installed and operating properly. 

 
If you do not get to the blinking cursor stage, but rather encounter a “Connection Failed” message box, some 
possible causes are: 
 

1.  In NT, if multiple ports are opened (running more than one instance of TTY), the ports are using the same 

IRQ, and the PermitShare registry entry is 0, the second port to be opened will fail.  Use the registry 
editor and expand HKEY_LOCAL_MACHINE ->SYSTEM ->CurrentControlSet ->Services ->Serial, 
change the PermitShare value from 0 to 1, reboot, and run the test again. 

 
2.  The interrupt that was selected by the plug-and-play bios is trying to be shared with another device that is 

not configured to share the IRQ (either Device or Driver Exclusive IRQ setting).  Try a different PCI slot or 
disable the other offending device. 

 
3.  IRQ steering is enabled on Windows 98 and Windows is not assigning an IRQ to the Fastcom card.  Try 

disabling IRQ steering or varying the options in Control Panel ->System ->Device Manager ->System 
Devices ->PCI Bus. 

 
4.  Multiple COMx assignments.  In Windows NT, the driver setup assumes that there are not any ports 

installed above COM4, and starts assigning the Fastcom ports at COM5.  If there is already a COM5 (or 
higher) in the system, it is likely that the Fastcom ports are being assigned to the same port name(s).  
Run the SERIALGT.EXE program (D:\Fastcom_disks\AsyncPCI\nt\serialgt.exe for Windows NT, 
D:\Fastcom_disks\AsyncPCI\95\serialgt.exe for Windows95) and re-assign the com port numbers to these 
ports to be different than any other ports in the system. 

 
If you get to the blinking cursor stage, but do not see what you type with the loopback installed, some possible 
reasons are: 
 

1.  Incorrect/faulty loopback construction or a bad connection. 
 
2.  The port is setup to have RS-485 enabled and the “RX Echo Disable” checkbox is checked.  If the RX 

Echo Disable is checked you will be unable to run a simple loopback test, as the purpose of the echo 
disable is to strip the characters that are sent/received at the same time.  Uncheck the RX Echo disable, 
reboot, and try the test again. 

 
3.  The RTS/CTS flow control is checked and there is not a RTS->CTS loopback or the CTS disabled 

checkbox was unchecked.  If you enable flow control, you must allow CTS to be active in order for the 
driver to transmit data.  Either disable flow control or wire the RTS->CTS (and possibly DTR->DSR) loops 
and try the test again. 

 
4.  The loopback plug is not on the correct port/cable. 

Содержание FASTCOM: 232/4-PCI

Страница 1: ...F A ASTCOM DAPTERS FASTCOM 232 4 PCI Advanced Four Channel RS 232 Interface for PCI Bus Hardware Reference Manual Manufactured by 9011 E 37th St N Wichita KS 67226 2006 ...

Страница 2: ......

Страница 3: ...including those to reproduce this document or parts thereof in any form without permission in writing from Commtech Inc FASTCOM and SMART14 are trademarks of Commtech Inc IBM is a registered trademark of International Business Machines Corporation Microsoft is a registered trademark of Microsoft Corporation WINDOWS is a trademark of Microsoft Corporation ...

Страница 4: ...loop back plug description 2 2 12 Changed warranty to 2 years 2 3 6 Added link to installation manual 2 4 10 Updated contact information 2 5 3 4 6 8 Changed 1 5 Mbaud to 725 Kbaud Updated Testing Installation and Fastcom Serial Settings 2 6 10 Changed warranty period to lifetime ...

Страница 5: ...cription Block Diagram 3 Specifications Features 4 Board Layout 5 INSTALLATION Installing the Hardware Software 6 Testing the Installation 6 FASTCOM SERIAL SETTINGS 8 ADAPTER CABLE 9 TECHNICAL SUPPORT 10 APPENDIX A 16C854 UART Technical Data 11 ...

Страница 6: ......

Страница 7: ...ass B Limits EN 50082 1 1992 EMC Generic Immunity Standard Part 1 Residential Commercial and Light Industry IEC 801 2 1984 Method of Evaluating Susceptibility to Electrostatic Discharge Level 4 IEC 801 3 1984 Radiated Electromagnetic field Requirements Level 3 IEC 801 4 1988 Electrical Fast Transient Burst Requirements Level 2 Products listed on this declaration are exempt from the requirements of...

Страница 8: ...2 ...

Страница 9: ...n utilize all standard baud rates plus a high speed mode capable of up to an amazing 725 Kbps RS 232 data rates are realistically limited by cable length and driver receiver characteristics to data rates less than 725 Kbaud If your application requires faster data rates or better noise immunity we suggest you try our Mega Baud family of RS232 adapters or our RS 422 family of PCI adapters such as t...

Страница 10: ...d FEATURES High performance 16C854 UARTS Standard on the Fastcom 232 4 PCI no extra charge All baud rates up to 725 Kbaud 128 byte FIFOs for improved throughput User programmable baud rate Switchless design Durable Cables with RFI shielding Comprehensive Hardware and Software Documentation Made in Wichita Kansas USA RS 232 data rates are realistically limited by cable length and driver receiver ch...

Страница 11: ...CI BOARD LAYOUT TRANSMIT RECEIVE LEDs DB37 CONNECTOR PCI CONTROLLER 16C854 UART PACKING LIST FASTCOM 232 4 PCI CARD CABLE ASSEMBLY FASTCOM CD If an omission has been made please call technical support for a replacement ...

Страница 12: ... the Fastcom Async PCI series cards section to return to this manual TESTING THE INSTALLATION 2 3 4 5 6 8 20 To fully test the installation of your Fastcom 232 4 PCI you will need to build a loop back plug Materials needed are a DB25 female receptacle solder cup style and a few short pieces of 20 or 24 AWG stranded wire This loop back plug can be used to test any RS 232 port Jumper the pins togeth...

Страница 13: ...ffending device 3 IRQ steering is enabled on Windows 98 and Windows is not assigning an IRQ to the Fastcom card Try disabling IRQ steering or varying the options in Control Panel System Device Manager System Devices PCI Bus 4 Multiple COMx assignments In Windows NT the driver setup assumes that there are not any ports installed above COM4 and starts assigning the Fastcom ports at COM5 If there is ...

Страница 14: ...be updated to reflect other bauds that can be used with the calculated clock frequency If you wish to return to the standard rates you can set the top box to 115200 and hit tab the rest of the bauds will be filled in Note The baud rates that you set will not be available to standard Windows applications like HyperTerminal The new rates will be available to you in your code or in applications that ...

Страница 15: ...andard DB25 male plugs DB37 PIN DESCRIPTION DB25 PIN DESCRIPTION Four Plugs DCD GND DSR CTS RTS RXD TXD RI DTR 13 2 7 2 1 1 11 10 9 8 6 5 4 3 25 24 23 22 21 20 19 18 17 16 15 14 N C DCD3 GND CTS3 RXD3 RI4 DTR4 DSR4 RTS4 TXD4 DCD2 GND CTS2 RXD2 RI1 DTR1 DSR1 RTS1 TXD1 RI3 DTR3 DSR3 RTS3 TXD3 DCD4 GND CTS4 RXD4 RI2 DTR2 DSR2 RTS2 TXD2 DCD1 GND CTS1 RXD1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1...

Страница 16: ...tch positions your cables and your program We recommend that you build the loop back plug that is described in the Programming section of this manual With that plug you can quickly isolate the problem to the board cables or software If you still have unresolved questions use the following procedure to get technical support 1 Call our Technical Support Staff at 316 636 1131 They are on duty from 9 ...

Страница 17: ...11 APPENDIX A 16C854 UART DATA ...

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