SuperCom™ Serial Communication ActiveX
Frequently Asked Questions on MSComm and other third party serial ActiveX

 

The following prepresents the very common questions reaching our hotline about MSComm and other third party serial communication controls.

 

Error 8020 while reading (KB318784)

This error occured with some third party serial ActiveX when reading the serial port. SuperCom does not have such problems or limitations. SuperCom handles serial hardware the proper way.

Running the available DEMO software on your serial ports will prove this instantly.

 

Need to control more than 16 serial ports

SuperCom controls up to 255 serial connections or ports simultaneously. Setup and run up to 255 concurrent connections doing data transfers or file transfers is realy easy. This is possible because of it's high efficient multiprocessing implementation.

 

What about the latency

SuperCom controls the serial hardware in a way that it behaves nearly the same independently from the actual speed (baud rate). The method used ensures that no time is spending without doing something productive. Thus it increases the data throughput and does it's job transparent to the application with low CPU load.

 

Need to trap special characters

It's often necessary to react on special characters like SOH, STX, ETX etc. It's surely time consuming and rather complex to parse every received data string for such data. It's easier to use SuperCom's Trigger or EventChar. Using Triggers not only single characters but complete strings can be observed. Immediately when the character or string is received SuperCom places OnComm event. In the meantime your application can do other thinks.
If you need to capture complete data packets you use DPCollect. Read more...

 

Need to embed into a HTML page and use with Internet Explorer (IE)

You can embed the SuperCom ActiveX control within HTML pages and load with Internet Explorer. Event driven sample available.

 

MSCOMM32 Replacement

With the SuperCom, serial communication ActiveX, replacing MSComm is usually done in less than a couple of minutes. You can find the steps to replace MSComm here.

 

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Using SuperCom you overcome the above and many more less known limitations.

SuperCom was designed from the beginning to be used in high demanding serial communication applications.

 

What developers say

... and replacing Microsofts MSComm control and use more than 16 COMM ports was really easy with SuperCom. Thanks!
P... from USA

Fabulous! And as always, thanks for the prompt and thorough support. You have a fan in California. Thanks!
Bob... from California

Wow, within 20 mins of receiving your product my problem with Vista, PDQComm (MSComm clone) and my USB RS232 Adaptor has gone away. I just dropped the control on a form and renamed it - sorted. :) Many thanks for producing this solid product.
K... from UK

"MSComm32 - error 8020":
Converting programs to use your SuperCom is very quick and easy - excellent! So far very pleased - thank you.
... the datapacket facility is going to be very helpful for another project I have in mind.
Bob... from UK

Upgrading Microsofts MSComm control to use more than 16 ports was realy easy with SuperCom !
O... from Finnland

 


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