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Topic:
Don't Leave the USB Cable Plugged In
This thread has 26 replies. Displaying posts 16 through 27.
Post 16 made on Sunday April 5, 2009 at 23:11
sirroundsound
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Good to know, so far I have only used ethernet with the XP8. I am sure I will find myself having to use the USB on a job sometime.
Post 17 made on Monday April 6, 2009 at 08:05
Ozzie Glenn
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On April 5, 2009 at 15:33, cdouglass said...
This is exactly what caused me to have issues with my serial commands.

Is this also possibly why some complain of RF problems?
Perhaps an USB cable can act like an antenna in some situations?
Maybe something to look at nexy time the RFI is bad?
Wireless speakers? Of course Sir. Choose the colour and size you like. As you don't seem to think sound quality is important, I will not plug them in.
Post 18 made on Monday April 6, 2009 at 15:43
SOUND.SD
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I have a few jobs running for months with difficult a to access RP-6. I left a long USB cable left in on both jobs without issue. I understand to not leave it into the computer but have never had issues with it left in the RP6 only.
Bulldog AV - San Diego, CA
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Post 19 made on Monday April 6, 2009 at 16:51
Ernie Bornn-Gilman
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On April 4, 2009 at 11:16, cdouglass said...
Okay while configuring automation for the office I grew tired of plugging and unplugging the USB programming cable to the RP-6....

Then on a whim I decided to pull out the USB cable that was just dangling there, then Wham 100% reliability.

Are you saying that you had unplugged the computer end of it, which is why it was just dangling there, and that the RP-6 worked after you unplugged the cable from it? A couple of these posts seem to say that it's necessary to unplug from the RP-6 end, no matter what.

My experience has been that if you disconnect the RP-6 from the computer, by unplugging either end or taking a hatchet to the cable, then it will work. Same with the T2+ and T2-C.

When I did the first RP-6 and T2+, I found this out on the phone with RTI. Problem solved, but situation stupid. I pointed out to them that when the USB connector on a PC is bad, the entire freakin' PC is worthless, and their design is, all by itself, shortening the life of my PC more than anything else I do with it.

I now carry a dumb passive four-port USB hub for RTI work, where the hub and the learner stay plugged in all the time, and I plug and unplug other components as needed.
We can't give you a good answer, or maybe any, without the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
OP | Post 20 made on Monday April 6, 2009 at 17:42
cdouglass
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On April 6, 2009 at 16:51, Ernie Bornn-Gilman said...
Are you saying that you had unplugged the computer end of it, which is why it was just dangling there, and that the RP-6 worked after you unplugged the cable from it? A couple of these posts seem to say that it's necessary to unplug from the RP-6 end, no matter what.

That's what I'm saying, I had it unplugged from the laptop but left it in the RP-6 and had issues. Once I pulled the USB cable from the RP-6 100% reliability.
Post 21 made on Monday April 6, 2009 at 17:50
proaudio95
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that is really strange, i have never seen that before. maybe it's just a one time fluke.
Steven Brawner
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ProAudio GA www.ProAudioGA.com
Post 22 made on Monday April 6, 2009 at 20:43
roddymcg
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I picked up a 12' usb cable so I can sit where I am working and just unplug the cable from the computer to test things...
Not life, but good life, is to be chiefly valued.
OP | Post 23 made on Monday April 6, 2009 at 20:59
cdouglass
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On April 6, 2009 at 20:43, roddymcg said...
I picked up a 12' usb cable so I can sit where I am working and just unplug the cable from the computer to test things...

Has this happened to you? Seems I'm the only one except for an earlier post from you that stated "been there done that".
Post 24 made on Tuesday April 7, 2009 at 09:50
Tom Ciaramitaro
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On April 6, 2009 at 20:43, roddymcg said...
I picked up a 12' usb cable so I can sit where I am working and just unplug the cable from the computer to test things...

Mine's better. It's 15'.
"I've noticed that everyone who is for abortion has already been born." - Ronald Reagan
Post 25 made on Tuesday April 7, 2009 at 10:20
roddymcg
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On April 7, 2009 at 09:50, Tom Ciaramitaro said...
Mine's better. It's 15'.

I will bet I am more lazy than you though!!
Not life, but good life, is to be chiefly valued.
Post 26 made on Tuesday April 7, 2009 at 21:44
Conundrum
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I have had an RP6 and RP1 in my system for years running 232 and IR with USB cables dangling from both with no problems. I have had customer units that seemed to to work more reliably when USB cable was removed. Bottom line: It varies from unit to unit or install to install.
Post 27 made on Wednesday April 8, 2009 at 07:42
jimstolz76
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On April 7, 2009 at 21:44, Conundrum said...
I have had an RP6 and RP1 in my system for years running 232 and IR with USB cables dangling from both with no problems. I have had customer units that seemed to to work more reliably when USB cable was removed. Bottom line: It varies from unit to unit or install to install.

It's probably acting as some sort of antenna. If it's got a common ground with the unit, then technically you're changing the way the unit was designed. Although how can you have a 1000' wire coming off of the Ground terminal without it being a problem. Hmmm...
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