Introduction
Ever since computers were invented, the ability to communicate with them was paramount. The RS 232 serial port became the standard way to do this. Modern computers now use USB ports to communicate together be it a camera, mobile phone or a hard disk drive.
There are programs on the internet that test Serial Ports. The object of this section is to use these programs to test the different USB Serial cables that are candidates to use with Eazylink2.
Method
Software
The following software was downloaded.
| File Name | Release Date | Version | File Size |
|---|---|---|---|
| PL2303_CableTest_v2.2.1.1.zip | 2010/02/25 | 2.2.1.1 | 753.78KB |
| COM PORT STRESS TEST | March 11, 2014. | 1.4.3 build 907. |
Hardware
The following items were made
| Item | Name | ||
|---|---|---|---|
 |  | Loopback Connector | |
| NUKK MODEM adapter |
Test Results
bsod IRQL NOT LESS OR EQUAL
Com stress test
http://www.aggsoft.com/com-port-stress-test/download.htm
Keyspan where bought
Prolific Cable Test Program
http://www.prolific.com.tw/US/supportDownload.aspx?FileType=56&FileID=133&pcid=&Page=0
Where bought
http://www.home-machine-shop.com/bits/NULL_MODEM_CABLE.jpg
