I have a very urgent problem with ELAU MC-4 firmware update, I tried a lot of methods to solved it used my DIY sreial cable, but alaways failured


Now I write the step what I had done:
A.
MC-4 side------------------------------------------PC side
2-----------------------------------------------------3
3-----------------------------------------------------2
4-----------------------------------------------------5
Result: The "Firmware Assistant" can't detcted the moudle

B.
MC-4 side--------------------------------------------PC side
2-----------------------------------------------------2
3-----------------------------------------------------3
4-----------------------------------------------------5
Result: The same as above
=====================================================================
C.
MC-4 side-------------------------------------------PC side
2-----------------------------------------------------2
3-----------------------------------------------------3
5-----------------------------------------------------5
Result: The "Firmware Assistant" can detcted the moudle now, but it alaways let me try lower baudrate, I tried change the baudrate, but no use.


D.
MC-4 side-------------------------------------------PC side
2-----------------------------------------------------2
3-----------------------------------------------------3
5-----------------------------------------------------5
|
4-----
Result: The same as above.
E.
MC-4 side--------------------------------------------PC side
2-----------------------------------------------------2
3-----------------------------------------------------3
5-----------------------------------------------------5
|
6------
Result: The same as above
So, what should I do now, does anybody have an idea, pls share to me. Thanx

