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Topic:
Home Theater Master MX-1000 not downloading
This thread has 6 replies. Displaying all posts.
Post 1 made on Thursday February 11, 2021 at 18:25
rg3117
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I recently bought a Home Theater Master (now URC) MX-1000 remote.
This remote is 20 years old, and needs to be programmed via a serial cable. I have an old PC running on Windows XP with two serial ports.
I installed the MX Designer software, and configured the serial ports as indicated in the manual (COM 1, 115,200 bit/s, Xon/Xoff, etc.), but I am unable to download a program to the remote. I am getting a message that says ‘’DOWN LOAD FAIL!’.

Does anyone on the forum have any idea?
Thanks in advance.
Post 2 made on Friday February 12, 2021 at 11:17
Duct Tape
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try using a null modem adapter on the serial cable
[Link: facebook.com]
OP | Post 3 made on Sunday February 21, 2021 at 23:16
rg3117
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Will do, thanks for the reply. What does it do?
Post 4 made on Monday February 22, 2021 at 08:55
Duct Tape
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On February 21, 2021 at 23:16, rg3117 said...
Will do, thanks for the reply. What does it do?

it reverses the polarity of the serial connection. (swaps the Tx pin with the Rx pin) it's the first thing I try when having communication issues with serial adapters.
[Link: facebook.com]
OP | Post 5 made on Tuesday February 23, 2021 at 00:27
rg3117
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Understood, thanks. I ordered one from Amazon, together with a USB adapter and will try both options. I will let you know if that worked. Thanks again!!
OP | Post 6 made on Friday February 26, 2021 at 22:07
rg3117
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The null modem adapter solved my problem, thank you so much! I was able to replicate the McIntosh UR12 configuration on the MX-1000.
Post 7 made on Sunday February 28, 2021 at 18:50
Duct Tape
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On February 26, 2021 at 22:07, rg3117 said...
The null modem adapter solved my problem, thank you so much! I was able to replicate the McIntosh UR12 configuration on the MX-1000.

cool.  it was a lucky guess :)
[Link: facebook.com]


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