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06-09-2005 04:34 AM
@Tychova wrote:
khalidfaridi,
>>I have exactly the same. The problem is not all my modems, internal ones, work with ASCII object...
I'm confused. I thought you said your internal modems didn't work? Can you tell me exactly how many modems you are using and what thier expected configuration is?
Modem n:
Manufacturer:
Configuration String:
Internal/External:
COM Port Assigned:
Works Reliably (Yes/No):
Also, make sure you are following the modem configuration settings in the Lookout help file.
Search for "Dial-Up Serial Communication." This document describes how to properly configure the serial cable you use to connect to external modems.
The following DevZONE entry may also help you configure your modems:
http://zone.ni.com/devzone/conceptd.nsf/webmain/108F6FA501DC4A2E86256A6F00519BEF?opendocument
If you can, post the serial diagnostics log file(s) that is/are generated by Lookout. This log file can be enabled per COM port in the Options>Serial Ports dialog box. When I tried to configure an external modem (I don't have one connected), Lookout generated the alarm "No response from local modem [COMn]". The serial log file showed the commands that were sent to the phantom modem.
You will need to reference the documentation for each of your modems to ensure they are correctly configured to work with Lookout as decribed in the documentation.
If you are having trouble with any of your external modems can you verify that the serial ports are properly configured by performing a simple loop-back test, or by connecting two COM ports together and verifying communication?
Regarding using one of your modems in a "dial-in" configuration I don't think this configuration has ever been tested at National Instruments. Also, as far as I know Lookout doesn't support waiting for a connection. If you get this working I'm curious to learn how you configured your system.